Commit Graph

1474 Commits

Author SHA1 Message Date
David S. Miller 3ea00443f1 This feature patchset includes the following changes:
- two patches with minimal clean up work by Antonio Quartulli and
    Simon Wunderlich
 
  - eight patches of B.A.T.M.A.N. V, API and documentation clean
    up work, by Antonio Quartulli and Marek Lindner
 
  - Andrew Lunn fixed the skb priority adoption when forwarding
    fragmented packets (two patches)
 
  - Multicast optimization support is now enabled for bridges which
    comes with some protocol updates, by Linus Luessing
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Merge tag 'batadv-next-for-davem-20160701' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
This feature patchset includes the following changes:

 - two patches with minimal clean up work by Antonio Quartulli and
   Simon Wunderlich

 - eight patches of B.A.T.M.A.N. V, API and documentation clean
   up work, by Antonio Quartulli and Marek Lindner

 - Andrew Lunn fixed the skb priority adoption when forwarding
   fragmented packets (two patches)

 - Multicast optimization support is now enabled for bridges which
   comes with some protocol updates, by Linus Luessing
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-01 17:05:00 -04:00
Gregor Boirie bc2b7dab62 iio:core: timestamping clock selection support
Adds a new per-device sysfs attribute "current_timestamp_clock" to allow
userspace to select a particular POSIX clock for buffered samples and
events timestamping.

Following clocks, as listed in clock_gettime(2), are supported:
CLOCK_REALTIME, CLOCK_MONOTONIC, CLOCK_MONOTONIC_RAW,
CLOCK_REALTIME_COARSE, CLOCK_MONOTONIC_COARSE, CLOCK_BOOTTIME and
CLOCK_TAI.

Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Acked-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-06-30 19:41:38 +01:00
Marek Lindner 21c02be7cf batman-adv: update elp interval documentation
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Acked-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-06-30 10:29:43 +02:00
Marek Lindner 29cac32b67 batman-adv: document sysfs files in alphabetical order
Also update obsolete email address.

Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Acked-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2016-06-30 10:29:43 +02:00
Greg Kroah-Hartman af52739b92 Merge 4.7-rc4 into staging-next
We want the fixes in here, and we can resolve a merge issue in
drivers/iio/industrialio-trigger.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-20 08:25:44 -07:00
Linus Torvalds e80dac114c USB fixes for 4.7-rc4
Here are a bunch (65) of USB fixes for 4.7-rc4.  Sorry about the
 quantity, I've been slow in getting these out.  The majority are the
 "normal" gadget, musb, and xhci fixes, that we all are used to.  There
 are also a few other tiny fixes resolving a number of reported issues
 that showed up in 4.7-rc1.
 
 All of these have been in linux-next.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a bunch (65) of USB fixes for 4.7-rc4.  Sorry about the
  quantity, I've been slow in getting these out.

  The majority are the "normal" gadget, musb, and xhci fixes, that we
  all are used to.  There are also a few other tiny fixes resolving a
  number of reported issues that showed up in 4.7-rc1.

  All of these have been in linux-next"

* tag 'usb-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (65 commits)
  usbip: rate limit get_frame_number message
  usb: musb: sunxi: Remove bogus "Frees glue" comment
  usb: musb: sunxi: Fix NULL ptr deref when gadget is registered before musb
  usb: echi-hcd: Add ehci_setup check before echi_shutdown
  usb: host: ehci-msm: Conditionally call ehci suspend/resume
  MAINTAINERS: Add file patterns for usb device tree bindings
  usb: host: ehci-tegra: Avoid getting the same reset twice
  usb: host: ehci-tegra: Grab the correct UTMI pads reset
  USB: mos7720: delete parport
  USB: OHCI: Don't mark EDs as ED_OPER if scheduling fails
  phy: ti-pipe3: Program the DPLL even if it was already locked
  usb: musb: Stop bulk endpoint while queue is rotated
  usb: musb: Ensure rx reinit occurs for shared_fifo endpoints
  usb: musb: host: correct cppi dma channel for isoch transfer
  usb: musb: only restore devctl when session was set in backup
  usb: phy: Check initial state for twl6030
  usb: musb: Use normal module_init for 2430 glue
  usb: musb: Remove pm_runtime_set_irq_safe
  usb: musb: Remove extra PM runtime calls from 2430 glue layer
  usb: musb: Return error value from musb_mailbox
  ...
2016-06-18 06:06:49 -10:00
Lee Jones 1a366fe915 pwm: sysfs: Add PWM capture support
Allow a user to read PWM capture results from sysfs. To start a capture
and read the result, simply read the file:

  $ cat $PWMCHIP/capture

The output format is "<period> <duty cycle>".

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-06-10 16:01:40 +02:00
Greg Kroah-Hartman aabb406008 First round of IIO new device support, features and cleanups for the 4.8 cycle.
New device support
 * ads1015
   - add ads1115 support
 * bma220 accelerometer
   - new driver
   - triggered buffer support.
 * bmc150
   - add bmm150 support.
 * bmp280
   - bme280 support with addition of humidity channel.
 * max5487 potentiometer
   - new driver
 * MMA7660FC accelerometer.
   - New driver
 * st-pressure
   - support for the lps22hb
 * loop trigger.
   - This one is *nasty* but we have real applications (parrot drones) where
   it is useful.  The trigger basically spins as hard as it can firing off
   a new trigger each time all triggered devices come back to say they are
   done.  It doesn't hang a machine even when doing it on a dummy driver.
   A lot nicer than having this implemented within lots of device drivers
   anyway.
 
 Core stuff
 * Add support to create IIO devices via configfs (similar to we did for
 triggers a while back) + docs.
 * New channel types
   - IIO_ELECTRICAL_CONDUCTIVITY
 * Couple of MAINTAINERS patches to list the device tree bindings.
 * Make trigger ops structure non optional (comment fix). It hasn't been for
 an awful long time, but that's not what the description said.
 
 New features
 * ak8975
   - support adapters that are limited to byte data only by allowing the
   emulated block read i2c function that was recently introduced.
 * atlas-ph
   - support atlas-ec (electrical conductivity sensor)
 * bmi160
   - add available frequency and scale attributes to make the driver
   more user friendly (and avoid having to read the datasheet to know
   what will work).
 * dummy
   - move creation to configfs interface.  It's not real hardware so we
   are not that worried about the ABI breakage ;)
 * mma8452
   - oversampling ration support
 * nau7802
   - expose available gains to make life easier for userspace.
 * st-sensors
   - allow use of emulation for SMBus block reads as all the st parts support
   it.
 * ti-ads1015
   - list datasheet names to allow their use by inkernel consumers.
 * Various module alias additions to help auto probing.  Drop one redundant one
 as well.
 
 Cleanups
 * ad7266, ad7476, ad7887, ad7923, ad799x
   - use direct mode claim function rather than open coding it during sensor
   read (prevents switching on buffers mid read).
 * ad7793, ad7791
   - use direct mode claim to prevent frequency changes when buffers running.
 * afe440x - These are ABI breaking but the driver requires custom userspace
   code to do anything useful anyway and that is still being written and under
   control of TI.  Ultimately we may have other libraries to do pulse
   oximetry with these devices but we aren't aware of any yet.
   - kernel-doc format fixes
   - drop ifdef fun around of_match_ptr - it's not worth the mess to save
   a tiny amount of space.
   - drop some unnecessary register initializations.
   - drop the weird locked gain modes as they gain us nothing (can just set
   all gains separately).
   - remove handling of offset attributes seeing as no channels actually have
   them (oops)
   - Drop the LED3 input channel as it's an alias for ALED2.
   - *big one* remove channel names - an experiment that turned out to not
   make sense - see patch for details.
   - use regmap fields to clean up code.
   - tie the tia gain stages to appropriate channels in the ABI as that is
   what they really effect. Same with the LED currents.
   - cleanout some unused defines and fix a missnamed one.
 * atlas-ph
   - reorganise to allow support of other similar parts.
 * bmc150
   - document supported chips in kconfig help.
 * jsa1212
   - drop an unneeded i2c functionality check for functionality the driver
   doesn't use.
 * mxs-lradc
   - simply touch screen registration code.
   - remove the touch screen unregister as all devm based now.
   - disable only those channels that are masked in hardware stop (others
   are already dealt with elsewhere)
 * st-sensors
   - unexport st_sensors_get_buffer_element as nothing outside the st-sensors
   core driver uses it.
   - fix handling of failure to start up regulators.
 * tpl0102
   - drop an i2c functionality test for features that aren't needed.
 * ti-am335x
   - use variable name rather than type in sizeof for clarity.
   - use SIMPLE_DEV_PM_OPS helper macro to tidy up a bit.
 
 Tools
 * Add install / uninstall to makefile.  Someone cares, so presumably
 some people will find it useful!
 *  generic_buffer
    - rename to iio_generic_buffer to line up with other tools.
    - handle cleanup when receiving signals
    - Add a --device-num option and a --trigger-num option rather than
    relying on naming which doesn't work if you have two of the same part.
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Merge tag 'iio-for-4.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First round of IIO new device support, features and cleanups for the 4.8 cycle.

New device support
* ads1015
  - add ads1115 support
* bma220 accelerometer
  - new driver
  - triggered buffer support.
* bmc150
  - add bmm150 support.
* bmp280
  - bme280 support with addition of humidity channel.
* max5487 potentiometer
  - new driver
* MMA7660FC accelerometer.
  - New driver
* st-pressure
  - support for the lps22hb
* loop trigger.
  - This one is *nasty* but we have real applications (parrot drones) where
  it is useful.  The trigger basically spins as hard as it can firing off
  a new trigger each time all triggered devices come back to say they are
  done.  It doesn't hang a machine even when doing it on a dummy driver.
  A lot nicer than having this implemented within lots of device drivers
  anyway.

Core stuff
* Add support to create IIO devices via configfs (similar to we did for
triggers a while back) + docs.
* New channel types
  - IIO_ELECTRICAL_CONDUCTIVITY
* Couple of MAINTAINERS patches to list the device tree bindings.
* Make trigger ops structure non optional (comment fix). It hasn't been for
an awful long time, but that's not what the description said.

New features
* ak8975
  - support adapters that are limited to byte data only by allowing the
  emulated block read i2c function that was recently introduced.
* atlas-ph
  - support atlas-ec (electrical conductivity sensor)
* bmi160
  - add available frequency and scale attributes to make the driver
  more user friendly (and avoid having to read the datasheet to know
  what will work).
* dummy
  - move creation to configfs interface.  It's not real hardware so we
  are not that worried about the ABI breakage ;)
* mma8452
  - oversampling ration support
* nau7802
  - expose available gains to make life easier for userspace.
* st-sensors
  - allow use of emulation for SMBus block reads as all the st parts support
  it.
* ti-ads1015
  - list datasheet names to allow their use by inkernel consumers.
* Various module alias additions to help auto probing.  Drop one redundant one
as well.

Cleanups
* ad7266, ad7476, ad7887, ad7923, ad799x
  - use direct mode claim function rather than open coding it during sensor
  read (prevents switching on buffers mid read).
* ad7793, ad7791
  - use direct mode claim to prevent frequency changes when buffers running.
* afe440x - These are ABI breaking but the driver requires custom userspace
  code to do anything useful anyway and that is still being written and under
  control of TI.  Ultimately we may have other libraries to do pulse
  oximetry with these devices but we aren't aware of any yet.
  - kernel-doc format fixes
  - drop ifdef fun around of_match_ptr - it's not worth the mess to save
  a tiny amount of space.
  - drop some unnecessary register initializations.
  - drop the weird locked gain modes as they gain us nothing (can just set
  all gains separately).
  - remove handling of offset attributes seeing as no channels actually have
  them (oops)
  - Drop the LED3 input channel as it's an alias for ALED2.
  - *big one* remove channel names - an experiment that turned out to not
  make sense - see patch for details.
  - use regmap fields to clean up code.
  - tie the tia gain stages to appropriate channels in the ABI as that is
  what they really effect. Same with the LED currents.
  - cleanout some unused defines and fix a missnamed one.
* atlas-ph
  - reorganise to allow support of other similar parts.
* bmc150
  - document supported chips in kconfig help.
* jsa1212
  - drop an unneeded i2c functionality check for functionality the driver
  doesn't use.
* mxs-lradc
  - simply touch screen registration code.
  - remove the touch screen unregister as all devm based now.
  - disable only those channels that are masked in hardware stop (others
  are already dealt with elsewhere)
* st-sensors
  - unexport st_sensors_get_buffer_element as nothing outside the st-sensors
  core driver uses it.
  - fix handling of failure to start up regulators.
* tpl0102
  - drop an i2c functionality test for features that aren't needed.
* ti-am335x
  - use variable name rather than type in sizeof for clarity.
  - use SIMPLE_DEV_PM_OPS helper macro to tidy up a bit.

Tools
* Add install / uninstall to makefile.  Someone cares, so presumably
some people will find it useful!
*  generic_buffer
   - rename to iio_generic_buffer to line up with other tools.
   - handle cleanup when receiving signals
   - Add a --device-num option and a --trigger-num option rather than
   relying on naming which doesn't work if you have two of the same part.
2016-06-09 09:15:58 -07:00
Greg Kroah-Hartman 03cce00b4b First round of iio fixes for the 4.7 cycle.
A slightly bumper set due to travel delaying the pull request and a fair few
 issues with the recent merge window patches.  Patches all over the place.
 The st-sensors one is probably the most involved, but definitly solves the
 issues seen.  Note there are some other issues around that handler
 (and the fact that a lot of boards tie a level interrupt chip to an
 edge interrupt only irq chip).  These are not regressions however, so
 will turn up the slow route.
 
 * core
   - iio_trigger_attach_pollfunc had some really badly wrong error handling.
   Another nasty triggered whilst chasing down issues with the st sensors
   rework below.
 * ad5592r
   - fix an off by one error when allocating channels.
 * am2315
   - a stray mutex unlock before we ever take the lock.
 * apds9960
   - missing a parent in the driver model (which should be the i2c device).
   Result is it doesn't turn up under /sys/bus/i2c/devices which some
   userspace code uses for repeatable device identification.
 * as3935
   - ABI usage bug which meant a processed value was reported as raw. Now
     reporting scale as well to ensure userspace has the info it needs.
   - Don't return processed value via the buffer - it doesn't conform to
     the ABI and will overflow in some cases.
   - Fix a wrongly sized buffer which would overflow trashing part of the
     stack.  Also move it onto the heap as part of the fix.
 * bh1780
   - a missing return after write in debugfs lead to an incorrect read and
     a null pointer dereference.
   - dereferencing the wrong pointer in suspend and resume leading to
     unpredictable results.
   - assign a static name to avoid accidentally ending up with no name if
     loaded via device tree.
 * bmi160
   - output data rate for the accelerometer was incorrectly reported. Fix it.
   - writing the output data rate was also wrong due to reverse parameters.
 * bmp280
   - error message for wrong chip ID gave the wrong expected value.
 * hdc100x
   - mask for writing the integration time was wrong allowin g us to get
   'stuck' in a particular value with no way back.
   - temperature reported in celsius rather than millicelsius as per the
   ABI.
   - Get rid of some incorrect data shifting which lead to readings being
   rather incorrect.
 * max44000
   - drop scale attribute for proximity as it is an unscaled value (depends
     on what is in range rather than anything knowable at the detector).
 * st-pressure
   - ABI compliance fixes - units were wrong.
 * st-sensors
   - We introduced some nasty issues with the recent switch over to a
   a somewhat threaded handler in that we broke using a software trigger
   with these devices.  Now do it properly.  It's a larger patch than ideal
   for a fix, but the logic is straight forward.
   - Make sure the trigger is initialized before requesting the interrupt.
   This matters now the interrupt can be shared. Before it was ugly and wrong
   but short of flakey hardware could not be triggered.
   - Hammer down the dataready pin at boot - otherwise with really
   unlucky timing things could get interestingly wedged requiring a hard power
   down of the chip.
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Merge tag 'iio-fixes-for-4.7a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First round of iio fixes for the 4.7 cycle.

A slightly bumper set due to travel delaying the pull request and a fair few
issues with the recent merge window patches.  Patches all over the place.
The st-sensors one is probably the most involved, but definitly solves the
issues seen.  Note there are some other issues around that handler
(and the fact that a lot of boards tie a level interrupt chip to an
edge interrupt only irq chip).  These are not regressions however, so
will turn up the slow route.

* core
  - iio_trigger_attach_pollfunc had some really badly wrong error handling.
  Another nasty triggered whilst chasing down issues with the st sensors
  rework below.
* ad5592r
  - fix an off by one error when allocating channels.
* am2315
  - a stray mutex unlock before we ever take the lock.
* apds9960
  - missing a parent in the driver model (which should be the i2c device).
  Result is it doesn't turn up under /sys/bus/i2c/devices which some
  userspace code uses for repeatable device identification.
* as3935
  - ABI usage bug which meant a processed value was reported as raw. Now
    reporting scale as well to ensure userspace has the info it needs.
  - Don't return processed value via the buffer - it doesn't conform to
    the ABI and will overflow in some cases.
  - Fix a wrongly sized buffer which would overflow trashing part of the
    stack.  Also move it onto the heap as part of the fix.
* bh1780
  - a missing return after write in debugfs lead to an incorrect read and
    a null pointer dereference.
  - dereferencing the wrong pointer in suspend and resume leading to
    unpredictable results.
  - assign a static name to avoid accidentally ending up with no name if
    loaded via device tree.
* bmi160
  - output data rate for the accelerometer was incorrectly reported. Fix it.
  - writing the output data rate was also wrong due to reverse parameters.
* bmp280
  - error message for wrong chip ID gave the wrong expected value.
* hdc100x
  - mask for writing the integration time was wrong allowin g us to get
  'stuck' in a particular value with no way back.
  - temperature reported in celsius rather than millicelsius as per the
  ABI.
  - Get rid of some incorrect data shifting which lead to readings being
  rather incorrect.
* max44000
  - drop scale attribute for proximity as it is an unscaled value (depends
    on what is in range rather than anything knowable at the detector).
* st-pressure
  - ABI compliance fixes - units were wrong.
* st-sensors
  - We introduced some nasty issues with the recent switch over to a
  a somewhat threaded handler in that we broke using a software trigger
  with these devices.  Now do it properly.  It's a larger patch than ideal
  for a fix, but the logic is straight forward.
  - Make sure the trigger is initialized before requesting the interrupt.
  This matters now the interrupt can be shared. Before it was ugly and wrong
  but short of flakey hardware could not be triggered.
  - Hammer down the dataready pin at boot - otherwise with really
  unlucky timing things could get interestingly wedged requiring a hard power
  down of the chip.
2016-06-07 22:26:20 -07:00
Alexandre Belloni 375f62e7dd Documentation: configfs-usb-gadget-uvc: fix kernel version
v3.20 doesn't exist, it is actually v4.0.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-05-31 11:12:58 +03:00
Matt Ranostay 4b9d2090a4 iio: electricalconductivity: add IIO_ELECTRICALCONDUCTIVITY type
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29 20:03:21 +01:00
Linus Torvalds 23a3e178b9 This pull request contains mostly cleanups and minor
improvements of UBI and UBIFS.
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Merge tag 'upstream-4.7-rc1' of git://git.infradead.org/linux-ubifs

Pull UBI/UBIFS updates from Richard Weinberger:
 "This contains mostly cleanups and minor improvements of UBI and UBIFS"

* tag 'upstream-4.7-rc1' of git://git.infradead.org/linux-ubifs:
  ubifs: ubifs_dump_inode: Fix dumping field bulk_read
  UBI: Fix static volume checks when Fastmap is used
  UBI: Set free_count to zero before walking through erase list
  UBI: Silence an unintialized variable warning
  UBI: Clean up return in ubi_remove_volume()
  UBI: Modify wrong comment in ubi_leb_map function.
  UBI: Don't read back all data in ubi_eba_copy_leb()
  UBI: Add ro-mode sysfs attribute
2016-05-27 18:49:29 -07:00
Ezequiel Garcia 525bab71fe UBI: Add ro-mode sysfs attribute
On serious situations, UBI may detect serious device corruption,
and switch to read-only mode to protect the data and allow debugging.
This commit exposes this ro-mode on sysfs, so it can be obtained
by userspace tools.

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Richard Weinberger <richard@nod.at>
2016-05-24 15:15:26 +02:00
Matt Ranostay 5138806f16 iio: proximity: as3935: correct IIO_CHAN_INFO_RAW output
IIO_CHAN_INFO_RAW was returning processed data which was incorrect.
This also adds the IIO_CHAN_INFO_SCALE value to convert to a processed value.

Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-22 20:53:36 +01:00
Linus Torvalds 5469dc270c Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:

 - the rest of MM

 - KASAN updates

 - procfs updates

 - exit, fork updates

 - printk updates

 - lib/ updates

 - radix-tree testsuite updates

 - checkpatch updates

 - kprobes updates

 - a few other misc bits

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (162 commits)
  samples/kprobes: print out the symbol name for the hooks
  samples/kprobes: add a new module parameter
  kprobes: add the "tls" argument for j_do_fork
  init/main.c: simplify initcall_blacklisted()
  fs/efs/super.c: fix return value
  checkpatch: improve --git <commit-count> shortcut
  checkpatch: reduce number of `git log` calls with --git
  checkpatch: add support to check already applied git commits
  checkpatch: add --list-types to show message types to show or ignore
  checkpatch: advertise the --fix and --fix-inplace options more
  checkpatch: whine about ACCESS_ONCE
  checkpatch: add test for keywords not starting on tabstops
  checkpatch: improve CONSTANT_COMPARISON test for structure members
  checkpatch: add PREFER_IS_ENABLED test
  lib/GCD.c: use binary GCD algorithm instead of Euclidean
  radix-tree: free up the bottom bit of exceptional entries for reuse
  dax: move RADIX_DAX_ definitions to dax.c
  radix-tree: make radix_tree_descend() more useful
  radix-tree: introduce radix_tree_replace_clear_tags()
  radix-tree: tidy up __radix_tree_create()
  ...
2016-05-20 22:31:33 -07:00
Linus Torvalds 2f37dd131c Staging and IIO driver update for 4.7-rc1
Here's the big staging and iio driver update for 4.7-rc1.
 
 I think we almost broke even with this release, only adding a few more
 lines than we removed, which isn't bad overall given that there's a
 bunch of new iio drivers added.  The Lustre developers seem to have
 woken up from their sleep and have been doing a great job in cleaning up
 the code and pruning unused or old cruft, the filesystem is almost
 readable :)
 
 Other than that, just a lot of basic coding style cleanups in the churn.
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging and IIO driver updates from Greg KH:
 "Here's the big staging and iio driver update for 4.7-rc1.

  I think we almost broke even with this release, only adding a few more
  lines than we removed, which isn't bad overall given that there's a
  bunch of new iio drivers added.

  The Lustre developers seem to have woken up from their sleep and have
  been doing a great job in cleaning up the code and pruning unused or
  old cruft, the filesystem is almost readable :)

  Other than that, just a lot of basic coding style cleanups in the
  churn.  All have been in linux-next for a while with no reported
  issues"

* tag 'staging-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (938 commits)
  Staging: emxx_udc: emxx_udc: fixed coding style issue
  staging/gdm724x: fix "alignment should match open parenthesis" issues
  staging/gdm724x: Fix avoid CamelCase
  staging: unisys: rename misleading var ii with frag
  staging: unisys: visorhba: switch success handling to error handling
  staging: unisys: visorhba: main path needs to flow down the left margin
  staging: unisys: visorinput: handle_locking_key() simplifications
  staging: unisys: visorhba: fail gracefully for thread creation failures
  staging: unisys: visornic: comment restructuring and removing bad diction
  staging: unisys: fix format string %Lx to %llx for u64
  staging: unisys: remove unused struct members
  staging: unisys: visorchannel: correct variable misspelling
  staging: unisys: visorhba: replace functionlike macro with function
  staging: dgnc: Need to check for NULL of ch
  staging: dgnc: remove redundant condition check
  staging: dgnc: fix 'line over 80 characters'
  staging: dgnc: clean up the dgnc_get_modem_info()
  staging: lustre: lnet: enable configuration per NI interface
  staging: lustre: o2iblnd: properly set ibr_why
  staging: lustre: o2iblnd: remove last of kiblnd_tunables_fini
  ...
2016-05-20 22:20:48 -07:00
Linus Torvalds 5af2344013 Char / Misc driver update for 4.7-rc1
Here's the big char and misc driver update for 4.7-rc1.
 
 Lots of different tiny driver subsystems have updates here with new
 drivers and functionality.  Details in the shortlog.
 
 All have been in linux-next with no reported issues for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver updates from Greg KH:
 "Here's the big char and misc driver update for 4.7-rc1.

  Lots of different tiny driver subsystems have updates here with new
  drivers and functionality.  Details in the shortlog.

  All have been in linux-next with no reported issues for a while"

* tag 'char-misc-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (125 commits)
  mcb: Delete num_cells variable which is not required
  mcb: Fixed bar number assignment for the gdd
  mcb: Replace ioremap and request_region with the devm version
  mcb: Implement bus->dev.release callback
  mcb: export bus information via sysfs
  mcb: Correctly initialize the bus's device
  mei: bus: call mei_cl_read_start under device lock
  coresight: etb10: adjust read pointer only when needed
  coresight: configuring ETF in FIFO mode when acting as link
  coresight: tmc: implementing TMC-ETF AUX space API
  coresight: moving struct cs_buffers to header file
  coresight: tmc: keep track of memory width
  coresight: tmc: make sysFS and Perf mode mutually exclusive
  coresight: tmc: dump system memory content only when needed
  coresight: tmc: adding mode of operation for link/sinks
  coresight: tmc: getting rid of multiple read access
  coresight: tmc: allocating memory when needed
  coresight: tmc: making prepare/unprepare functions generic
  coresight: tmc: splitting driver in ETB/ETF and ETR components
  coresight: tmc: cleaning up header file
  ...
2016-05-20 21:20:31 -07:00
Linus Torvalds 19e36ad292 USB patches for 4.7-rc1
Here's the big pull request for USB and PHY drivers for 4.7-rc1
 
 Full details in the shortlog, but it's the normal major gadget driver
 updates, phy updates, new usbip code, as well as a bit of lots of other
 stuff.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here's the big pull request for USB and PHY drivers for 4.7-rc1

  Full details in the shortlog, but it's the normal major gadget driver
  updates, phy updates, new usbip code, as well as a bit of lots of
  other stuff.

  All have been in linux-next with no reported issues"

* tag 'usb-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (164 commits)
  USB: serial: ti_usb_3410_5052: add MOXA UPORT 11x0 support
  USB: serial: fix minor-number allocation
  USB: serial: quatech2: fix use-after-free in probe error path
  USB: serial: mxuport: fix use-after-free in probe error path
  USB: serial: keyspan: fix debug and error messages
  USB: serial: keyspan: fix URB unlink
  USB: serial: keyspan: fix use-after-free in probe error path
  USB: serial: io_edgeport: fix memory leaks in probe error path
  USB: serial: io_edgeport: fix memory leaks in attach error path
  usb: Remove unnecessary space before operator ','.
  usb: Remove unnecessary space before open square bracket.
  USB: FHCI: avoid redundant condition
  usb: host: xhci-rcar: Avoid long wait in xhci_reset()
  usb/host/fotg210: remove dead code in create_sysfs_files
  usb: wusbcore: Do not initialise statics to 0.
  usb: wusbcore: Remove space before ',' and '(' .
  USB: serial: cp210x: clean up CRTSCTS flag code
  USB: serial: cp210x: get rid of magic numbers in CRTSCTS flag code
  USB: serial: cp210x: fix hardware flow-control disable
  USB: serial: option: add even more ZTE device ids
  ...
2016-05-20 21:12:25 -07:00
Sergey Senozhatsky 623e47fc64 zram: introduce per-device debug_stat sysfs node
debug_stat sysfs is read-only and represents various debugging data that
zram developers may need.  This file is not meant to be used by anyone
else: its content is not documented and will change any time w/o any
notice.  Therefore, the output of debug_stat file contains a version
string.  To avoid any confusion, we will increase the version number
every time we modify the output.

At the moment this file exports only one value -- the number of
re-compressions, IOW, the number of times compression fast path has
failed.  This stat is temporary any will be useful in case if any
per-cpu compression streams regressions will be reported.

Link: http://lkml.kernel.org/r/20160513230834.GB26763@bbox
Link: http://lkml.kernel.org/r/20160511134553.12655-1-sergey.senozhatsky@gmail.com
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-20 17:58:30 -07:00
Linus Torvalds c04a588029 powerpc updates for 4.7
Highlights:
  - Support for Power ISA 3.0 (Power9) Radix Tree MMU from Aneesh Kumar K.V
  - Live patching support for ppc64le (also merged via livepatching.git)
 
 Various cleanups & minor fixes from:
  - Aaro Koskinen, Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V,
    Chris Smart, Daniel Axtens, Frederic Barrat, Gavin Shan, Ian Munsie, Lennart
    Sorensen, Madhavan Srinivasan, Mahesh Salgaonkar, Markus Elfring, Michael
    Ellerman, Oliver O'Halloran, Paul Gortmaker, Paul Mackerras, Rashmica Gupta,
    Russell Currey, Suraj Jitindar Singh, Thiago Jung Bauermann, Valentin
    Rothberg, Vipin K Parashar.
 
 General:
  - Update LMB associativity index during DLPAR add/remove from Nathan Fontenot
  - Fix branching to OOL handlers in relocatable kernel from Hari Bathini
  - Add support for userspace Power9 copy/paste from Chris Smart
  - Always use STRICT_MM_TYPECHECKS from Michael Ellerman
  - Add mask of possible MMU features from Michael Ellerman
 
 PCI:
  - Enable pass through of NVLink to guests from Alexey Kardashevskiy
  - Cleanups in preparation for powernv PCI hotplug from Gavin Shan
  - Don't report error in eeh_pe_reset_and_recover() from Gavin Shan
  - Restore initial state in eeh_pe_reset_and_recover() from Gavin Shan
  - Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell" from Guilherme G. Piccoli
  - Remove the dependency on EEH struct in DDW mechanism from Guilherme G. Piccoli
 
 selftests:
  - Test cp_abort during context switch from Chris Smart
  - Add several tests for transactional memory support from Rashmica Gupta
 
 perf:
  - Add support for sampling interrupt register state from Anju T
  - Add support for unwinding perf-stackdump from Chandan Kumar
 
 cxl:
  - Configure the PSL for two CAPI ports on POWER8NVL from Philippe Bergheaud
  - Allow initialization on timebase sync failures from Frederic Barrat
  - Increase timeout for detection of AFU mmio hang from Frederic Barrat
  - Handle num_of_processes larger than can fit in the SPA from Ian Munsie
  - Ensure PSL interrupt is configured for contexts with no AFU IRQs from Ian Munsie
  - Add kernel API to allow a context to operate with relocate disabled from Ian Munsie
  - Check periodically the coherent platform function's state from Christophe Lombard
 
 Freescale:
  - Updates from Scott: "Contains 86xx fixes, minor device tree fixes, an erratum
    workaround, and a kconfig dependency fix."
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Merge tag 'powerpc-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Highlights:
   - Support for Power ISA 3.0 (Power9) Radix Tree MMU from Aneesh Kumar K.V
   - Live patching support for ppc64le (also merged via livepatching.git)

  Various cleanups & minor fixes from:
   - Aaro Koskinen, Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V,
     Chris Smart, Daniel Axtens, Frederic Barrat, Gavin Shan, Ian Munsie,
     Lennart Sorensen, Madhavan Srinivasan, Mahesh Salgaonkar, Markus Elfring,
     Michael Ellerman, Oliver O'Halloran, Paul Gortmaker, Paul Mackerras,
     Rashmica Gupta, Russell Currey, Suraj Jitindar Singh, Thiago Jung
     Bauermann, Valentin Rothberg, Vipin K Parashar.

  General:
   - Update LMB associativity index during DLPAR add/remove from Nathan
     Fontenot
   - Fix branching to OOL handlers in relocatable kernel from Hari Bathini
   - Add support for userspace Power9 copy/paste from Chris Smart
   - Always use STRICT_MM_TYPECHECKS from Michael Ellerman
   - Add mask of possible MMU features from Michael Ellerman

  PCI:
   - Enable pass through of NVLink to guests from Alexey Kardashevskiy
   - Cleanups in preparation for powernv PCI hotplug from Gavin Shan
   - Don't report error in eeh_pe_reset_and_recover() from Gavin Shan
   - Restore initial state in eeh_pe_reset_and_recover() from Gavin Shan
   - Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
     from Guilherme G Piccoli
   - Remove the dependency on EEH struct in DDW mechanism from Guilherme
     G Piccoli

  selftests:
   - Test cp_abort during context switch from Chris Smart
   - Add several tests for transactional memory support from Rashmica
     Gupta

  perf:
   - Add support for sampling interrupt register state from Anju T
   - Add support for unwinding perf-stackdump from Chandan Kumar

  cxl:
   - Configure the PSL for two CAPI ports on POWER8NVL from Philippe
     Bergheaud
   - Allow initialization on timebase sync failures from Frederic Barrat
   - Increase timeout for detection of AFU mmio hang from Frederic
     Barrat
   - Handle num_of_processes larger than can fit in the SPA from Ian
     Munsie
   - Ensure PSL interrupt is configured for contexts with no AFU IRQs
     from Ian Munsie
   - Add kernel API to allow a context to operate with relocate disabled
     from Ian Munsie
   - Check periodically the coherent platform function's state from
     Christophe Lombard

  Freescale:
   - Updates from Scott: "Contains 86xx fixes, minor device tree fixes,
     an erratum workaround, and a kconfig dependency fix."

* tag 'powerpc-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (192 commits)
  powerpc/86xx: Fix PCI interrupt map definition
  powerpc/86xx: Move pci1 definition to the include file
  powerpc/fsl: Fix build of the dtb embedded kernel images
  powerpc/fsl: Fix rcpm compatible string
  powerpc/fsl: Remove FSL_SOC dependency from FSL_LBC
  powerpc/fsl-pci: Add a workaround for PCI 5 errata
  powerpc/fsl: Fix SPI compatible on t208xrdb and t1040rdb
  powerpc/powernv/npu: Add PE to PHB's list
  powerpc/powernv: Fix insufficient memory allocation
  powerpc/iommu: Remove the dependency on EEH struct in DDW mechanism
  Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
  powerpc/eeh: Drop unnecessary label in eeh_pe_change_owner()
  powerpc/eeh: Ignore handlers in eeh_pe_reset_and_recover()
  powerpc/eeh: Restore initial state in eeh_pe_reset_and_recover()
  powerpc/eeh: Don't report error in eeh_pe_reset_and_recover()
  Revert "powerpc/powernv: Exclude root bus in pnv_pci_reset_secondary_bus()"
  powerpc/powernv/npu: Enable NVLink pass through
  powerpc/powernv/npu: Rework TCE Kill handling
  powerpc/powernv/npu: Add set/unset window helpers
  powerpc/powernv/ioda2: Export debug helper pe_level_printk()
  ...
2016-05-20 10:12:41 -07:00
Linus Torvalds e9ad9b9bd3 The most interesting thing (IMO) this time around is some beginning
infrastructural work to allow documents to be written using restructured
 text.  Maybe someday, in a galaxy far far away, we'll be able to eliminate
 the DocBook dependency and have a much better integrated set of kernel
 docs.  Someday.
 
 Beyond that, there's a new document on security hardening from Kees, the
 movement of some sample code over to samples/, a number of improvements to
 the serial docs from Geert, and the usual collection of corrections, typo
 fixes, etc.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux

Pull Documentation updates from Jon Corbet:
 "A bit busier this time around.

  The most interesting thing (IMO) this time around is some beginning
  infrastructural work to allow documents to be written using
  restructured text.  Maybe someday, in a galaxy far far away, we'll be
  able to eliminate the DocBook dependency and have a much better
  integrated set of kernel docs.  Someday.

  Beyond that, there's a new document on security hardening from Kees,
  the movement of some sample code over to samples/, a number of
  improvements to the serial docs from Geert, and the usual collection
  of corrections, typo fixes, etc"

* tag 'docs-for-linus' of git://git.lwn.net/linux: (55 commits)
  doc: self-protection: provide initial details
  serial: doc: Use port->state instead of info
  serial: doc: Always refer to tty_port->mutex
  Documentation: vm: Spelling s/paltform/platform/g
  Documentation/memcg: update kmem limit doc as codes behavior
  docproc: print a comment about autogeneration for rst output
  docproc: add support for reStructuredText format via --rst option
  docproc: abstract terminating lines at first space
  docproc: abstract docproc directive detection
  docproc: reduce unnecessary indentation
  docproc: add variables for subcommand and filename
  kernel-doc: use rst C domain directives and references for types
  kernel-doc: produce RestructuredText output
  kernel-doc: rewrite usage description, remove duplicated comments
  Doc: correct the location of sysrq.c
  Documentation: fix common spelling mistakes
  samples: v4l: from Documentation to samples directory
  samples: connector: from Documentation to samples directory
  Documentation: xillybus: fix spelling mistake
  Documentation: x86: fix spelling mistakes
  ...
2016-05-19 18:07:25 -07:00
Linus Torvalds a0d3c7c5c0 dmaengine updates for 4.7
This time round the update brings in following changes:
 
  - New tegra driver for ADMA device
  - Support for Xilinx AXI Direct Memory Access Engine and Xilinx AXI Central
    Direct Memory Access Engine and few updates to this driver.
  - New cyclic capability to sun6i and few updates.
  - Slave-sg support in bcm2835.
  - Updates to many drivers like designware, hsu, mv_xor, pxa, edma,
    qcom_hidma & bam.
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Merge tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This time round the update brings in following changes:

   - new tegra driver for ADMA device

   - support for Xilinx AXI Direct Memory Access Engine and Xilinx AXI
     Central Direct Memory Access Engine and few updates to this driver

   - new cyclic capability to sun6i and few updates

   - slave-sg support in bcm2835

   - updates to many drivers like designware, hsu, mv_xor, pxa, edma,
     qcom_hidma & bam"

* tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (84 commits)
  dmaengine: ioatdma: disable relaxed ordering for ioatdma
  dmaengine: of_dma: approximate an average distribution
  dmaengine: core: Use IS_ENABLED() instead of checking for built-in or module
  dmaengine: edma: Re-evaluate errors when ccerr is triggered w/o error event
  dmaengine: qcom_hidma: add support for object hierarchy
  dmaengine: qcom_hidma: add debugfs hooks
  dmaengine: qcom_hidma: implement lower level hardware interface
  dmaengine: vdma: Add clock support
  Documentation: DT: vdma: Add clock support for dmas
  dmaengine: vdma: Add config structure to differentiate dmas
  MAINTAINERS: Update Tegra DMA maintainers
  dmaengine: tegra-adma: Add support for Tegra210 ADMA
  Documentation: DT: Add binding documentation for NVIDIA ADMA
  dmaengine: vdma: Add Support for Xilinx AXI Central Direct Memory Access Engine
  Documentation: DT: vdma: update binding doc for AXI CDMA
  dmaengine: vdma: Add Support for Xilinx AXI Direct Memory Access Engine
  Documentation: DT: vdma: update binding doc for AXI DMA
  dmaengine: vdma: Rename xilinx_vdma_ prefix to xilinx_dma
  dmaengine: slave means at least one of DMA_SLAVE, DMA_CYCLIC
  dmaengine: mv_xor: Allow selecting mv_xor for mvebu only compatible SoC
  ...
2016-05-19 11:47:18 -07:00
Linus Torvalds d974f09ea4 Merge branch 'stable/for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull iscsi_ibft updates from Konrad Rzeszutek Wilk:
 "The pull has two features - both of them expand the SysFS entries:

   - 'prefix-len' - which is subnet_mask_prefix of the iBFT header.

   - 'acpi_header' dir with: 'iBFT', OEM-ID (whatever it extracts from
     the iBFT header) and OEM_TABLE_ID (also whatever it extracts from
     the iBFT header).  This is to help NIC drivers to figure out during
     bootup how to deal with BIOS created iBFT tables (like by TianoCore
     UEFI implemenation)"

* 'stable/for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
  ibft: Expose iBFT acpi header via sysfs
  iscsi_ibft: Add prefix-len attr and display netmask
2016-05-18 15:30:04 -07:00
David Bond b3c8eb5038 ibft: Expose iBFT acpi header via sysfs
Some ethernet adapter vendors are supplying products which support optional
(payed license) features. On some adapters this includes a hardware iscsi
initiator.  The same adapters in a normal (no extra licenses) mode of
operation can be used as a software iscsi initiator.  In addition, software
iscsi boot initiators are becoming a standard part of many vendors uefi
implementations.  This is creating difficulties during early boot/install
determining the proper configuration method for these adapters when they
are used as a boot device.

The attached patch creates sysfs entries to expose information from the
acpi header of the ibft table.  This information allows for a method to
easily determining if an ibft table was created by a ethernet card's
firmware or the system uefi/bios.  In the case of a hardware initiator this
information in combination with the pci vendor and device id can be used
to ascertain any vendor specific behaviors that need to be accommodated.

Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: David Bond <dbond@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2016-05-16 11:14:29 -04:00
Sinan Kaya 42d236f8a4 dmaengine: qcom_hidma: add support for object hierarchy
In order to create a relationship model between the channels and the
management object, we are adding support for object hierarchy to the
drivers. This patch simplifies the userspace application development.
We will not have to traverse different firmware paths based on device
tree or ACPI based kernels.

No matter what flavor of kernel is used, objects will be represented as
platform devices.

The new layout is as follows:

hidmam_10: hidma-mgmt@0x5A000000 {
	compatible = "qcom,hidma-mgmt-1.0";
	...

	hidma_10: hidma@0x5a010000 {
			compatible = "qcom,hidma-1.0";
			...
	}
}

The hidma_mgmt_init detects each instance of the hidma-mgmt-1.0 objects
in device tree and calls into the channel driver to create platform devices
for each child of the management object.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-05-14 11:54:45 +05:30
Daniel Baluta 6994aea784 Documentation: iio: Add IIO software devices docs
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04 11:44:15 +01:00
Andrew F. Davis 1276187c52 iio: health/afe440x: Make gain settings a modifier for the stages
Currently the TIA gain settings are exported to userspace as sysfs
entries that do not clearly represent their internal relation to the
sampling stages. The gain settings are enabled on a per-stage basis,
this can be seen in figure 24 of the current AFE4404 datasheet.
These gain settings should therefore be tied to the channels that are
read during these stages. Make this change here.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04 11:11:30 +01:00
Andrew F. Davis 24b9dea764 iio: health/afe440x: Remove channel names
These AFEs have 4 ADC mesuring stages (called LED2, ALED2, LED1, and
ALED1 in the datasheet), we map these as channels, these stages can serve
different purposes depending on the application. For instance the AFE4404
has an additional LED (LED3), this LED can be timed to be active during
stage 2 (or anystage, but the datasheet describes this case and the name
of the stage reflects this use). This ability is used further in upcoming
parts that tie the front-end gain and the LED timings together. For these
reasons we remove explicit naming the channels.

Without channel names it is best that the index numbers are in order to
match the stage number, reorder the channel numbers.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04 11:08:14 +01:00
Andrew F. Davis 81f517270d iio: health/afe440x: Always use separate gain values
Locking the two gain stages to the same setting adds no value for us,
so initialize them as unlocked and remove the sysfs for unlocking them.
This also allows us to greatly simplify showing and setting the gain
registers.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04 11:02:39 +01:00
Johannes Thumshirn 803f1ca60d mcb: export bus information via sysfs
Export information about the bus stored in the FPGA's header to userspace via
sysfs, instead of hiding it in pr_debug()s from everyone.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Andreas Werner <andreas.werner@men.de>
Tested-by: Andreas Werner <andreas.werner@men.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03 15:07:35 -07:00
Mathieu Poirier 7d83d17795 coresight: tmc: adding sysFS management entries
Adding management registers that convey implementation
specific characteristics.  Those are useful for trace
configuration and collection along with general trouble
shooting.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03 14:59:30 -07:00
Pratik Patel 237483aa5c coresight: stm: adding driver for CoreSight STM component
This driver adds support for the STM CoreSight IP block, allowing any
system compoment (HW or SW) to log and aggregate messages via a
single entity.

The CoreSight STM exposes an application defined number of channels
called stimulus port.  Configuration is done using entries in sysfs
and channels made available to userspace via configfs.

Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Michael Williams <michael.williams@arm.com>
Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03 14:59:30 -07:00
Alexander Shishkin 8e996a2874 stm class: Support devices that override software assigned masters
Some STM devices adjust software assigned master numbers depending on
the trace source and its runtime state and whatnot. This patch adds
a sysfs attribute to inform the trace-side software that master numbers
assigned to software sources will not match those in the STP stream,
so that, for example, master/channel allocation policy can be adjusted
accordingly.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03 14:59:30 -07:00
Mathieu Poirier ad352acbb9 coresight: etb10: splitting sysFS "status" entry
The sysFS "status" entry conveys a wealth of information about
the status of the HW but goes agains the sysFS rule of one topic
per file.

This patch rectify the situation by adding read-only entries for
each of the field formaly displayed by "status".  The ABI
documentation is kept up to date.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-01 14:12:14 -07:00
Mathieu Poirier 7c38aa4b03 coresight: etm4x: adding config and traceid registers
Adding new sysFS management interface to query the configuration
and the traceid registers.  Both are required to convey information
to the perf cmd line tools when using ETMv4 tracers as PMU.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-01 14:12:14 -07:00
Krzysztof Opasiak f945c54665 Documentation: ABI: Add doc for usbip-vudc attributes
As vudc provides some new attributes using sysfs infrastructure,
add a suitable documentation file for those attributes.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-28 12:28:08 -07:00
Kees Cook 08559657b2 Documentation: fix common spelling mistakes
This fixes several spelling mistakes in the Documentation/ tree, which
are caught by checkpatch.pl's spell checking.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-04-28 07:51:59 -06:00
Greg Kroah-Hartman 5a45e01d41 2nd set of new device support, features and cleanup for IIO in the 4.7 cycle.
Bit of a bumper set for new drivers but plenty of other stuff here as well!
 
 New device support
 * ad5592R ADC/DAC
   - new driver supporting ad5592r and ad5593r combined ADC/DAC and gpio chips.
 * Aosong am2315 relative humidity
   - new driver with triggered buffer support in follow up patch.
 * bmi160 imu
   - new driver
 * bmp280
   - bmp180 support - note there is support in the misc/bmp085 driver. Intent
     is to remove that driver long term.
 * invensense mpu6050
   - cleanup leading to explicit support of mpu9150 with a good few cleanups
     along the way.
 * Hope RF hp03 pressure and temperature sensor.
   - new driver
 * maxim DS1803 potentiometer
   - new driver
 * maxim max44000 light and proximity sensor
   - new driver built in a series of steps to support pretty much everything.
 * ROHM BH1780 light sensor
   - new driver. There is an existing driver in misc that this is pretty much
     intended to replace.  The discussion on whether to support the non standard
     interface of that driver is some way is continuing.
 * st-gyro
   - lsm9ds0-gyro.  The accel/magn side of this will take a while longer as
     extensions to the st library are needed for cases where two types of sensor
     share a single i2c address.
 * ti-adc081c
   - support the adc101c and adc121c
 * Vishay VEML6070 UV sensor
   - new driver.
 
 New features
 * core
   - devm_ APIs for channel_get and channel_get_all.  The first user of these
     is the generic ADC based thermal driver.  As it is going through the
     thermal tree these will be picked up as a patch to that next cycle as that
     is how the author preferred to do it.
   - mounting matrix support.  This new core support allows devices to provide
     to userspace (typically from the device tree) allowing compensation for how
     the sensor is mounted on the device.  First examples are on UAVs but it
     has a more mundane use on typical phone where the chip may be on the front
     or the back of the circuit board and soldered at any angle. Includes
     support for this ABI in ak8975 (which has an older interface, now
     deprecated) and mpu6050.
 * tools
   - add a -a option to enable all available channels in generic_buffer sample.
     Makes it somewhat easier to use.
 * adis library and drivers
   - support manual self test flag clearing.  This has technically been broken
     for a very long time - result is an offset on readings as the applied field
     is on all the time.
 * ak8975
   - triggered buffer support
 * bmc150
   - spi support (including splitting the driver into core and i2c parts)
 * bmp280
   - oversampling support.
 * dht11
   - improved logging - useful to debug timing issues on this quirky device.
 * st-sensors
   - read each channel invidivually as not all support the optimization of
   reading in bulk.  This is technically a fix, but will need to be backported
   if desired.
   - support open drain and shared interrupts.
 * ti-adc081c
   - triggered buffer support.
 
 Cleanups
 * inkern
   - white space fix.
 * ad7606
   - use the iio_device_claim_direct_mode call rather than open coding equiv.
 * ad799x
   - white space fix.
 * ad9523
   - unsigned -> unsigned int
 * apds9660
   - brace location tidying up.
   - silence an uninitialized variable warning.
 * ak8975
   - else and brace on same line fix.
 * at91_adc
   - white space fixes.
 * bmc150
   - use regmap stored copy of the device pointer rather than having an
     additional copy.
 * bmg160
   - use regmap stored copy of the device pointer rather than having an
     additional copy.
 * hid-sensors
   - white space fixes.
 * mcp3422
   - white space fix.
 * mma7455
   - use regmap to retrieve the device struct rather than carrying another copy
     in the private data.
 * ms_sensors
   - white space fix.
 * mxs-lradc
   - move current bindings out of staging - some will be shortly deprecated but
     the reality is that we have device trees out there using them so they will
     need to be supported for some time.  They accidentally got left behind
     when the driver graduated from staging.
   - white space cleanup.
   - set INPUT_PROP_DIRECT.
   - move ts config into a better function.
   - move the STMP reset out of the ADC init.
 * vf610_adc
   - case label indenting fix.
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Merge tag 'iio-for-4.7b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-testing

Jonathan writes:

2nd set of new device support, features and cleanup for IIO in the 4.7 cycle.

Bit of a bumper set for new drivers but plenty of other stuff here as well!

New device support
* ad5592R ADC/DAC
  - new driver supporting ad5592r and ad5593r combined ADC/DAC and gpio chips.
* Aosong am2315 relative humidity
  - new driver with triggered buffer support in follow up patch.
* bmi160 imu
  - new driver
* bmp280
  - bmp180 support - note there is support in the misc/bmp085 driver. Intent
    is to remove that driver long term.
* invensense mpu6050
  - cleanup leading to explicit support of mpu9150 with a good few cleanups
    along the way.
* Hope RF hp03 pressure and temperature sensor.
  - new driver
* maxim DS1803 potentiometer
  - new driver
* maxim max44000 light and proximity sensor
  - new driver built in a series of steps to support pretty much everything.
* ROHM BH1780 light sensor
  - new driver. There is an existing driver in misc that this is pretty much
    intended to replace.  The discussion on whether to support the non standard
    interface of that driver is some way is continuing.
* st-gyro
  - lsm9ds0-gyro.  The accel/magn side of this will take a while longer as
    extensions to the st library are needed for cases where two types of sensor
    share a single i2c address.
* ti-adc081c
  - support the adc101c and adc121c
* Vishay VEML6070 UV sensor
  - new driver.

New features
* core
  - devm_ APIs for channel_get and channel_get_all.  The first user of these
    is the generic ADC based thermal driver.  As it is going through the
    thermal tree these will be picked up as a patch to that next cycle as that
    is how the author preferred to do it.
  - mounting matrix support.  This new core support allows devices to provide
    to userspace (typically from the device tree) allowing compensation for how
    the sensor is mounted on the device.  First examples are on UAVs but it
    has a more mundane use on typical phone where the chip may be on the front
    or the back of the circuit board and soldered at any angle. Includes
    support for this ABI in ak8975 (which has an older interface, now
    deprecated) and mpu6050.
* tools
  - add a -a option to enable all available channels in generic_buffer sample.
    Makes it somewhat easier to use.
* adis library and drivers
  - support manual self test flag clearing.  This has technically been broken
    for a very long time - result is an offset on readings as the applied field
    is on all the time.
* ak8975
  - triggered buffer support
* bmc150
  - spi support (including splitting the driver into core and i2c parts)
* bmp280
  - oversampling support.
* dht11
  - improved logging - useful to debug timing issues on this quirky device.
* st-sensors
  - read each channel invidivually as not all support the optimization of
  reading in bulk.  This is technically a fix, but will need to be backported
  if desired.
  - support open drain and shared interrupts.
* ti-adc081c
  - triggered buffer support.

Cleanups
* inkern
  - white space fix.
* ad7606
  - use the iio_device_claim_direct_mode call rather than open coding equiv.
* ad799x
  - white space fix.
* ad9523
  - unsigned -> unsigned int
* apds9660
  - brace location tidying up.
  - silence an uninitialized variable warning.
* ak8975
  - else and brace on same line fix.
* at91_adc
  - white space fixes.
* bmc150
  - use regmap stored copy of the device pointer rather than having an
    additional copy.
* bmg160
  - use regmap stored copy of the device pointer rather than having an
    additional copy.
* hid-sensors
  - white space fixes.
* mcp3422
  - white space fix.
* mma7455
  - use regmap to retrieve the device struct rather than carrying another copy
    in the private data.
* ms_sensors
  - white space fix.
* mxs-lradc
  - move current bindings out of staging - some will be shortly deprecated but
    the reality is that we have device trees out there using them so they will
    need to be supported for some time.  They accidentally got left behind
    when the driver graduated from staging.
  - white space cleanup.
  - set INPUT_PROP_DIRECT.
  - move ts config into a better function.
  - move the STMP reset out of the ADC init.
* vf610_adc
  - case label indenting fix.
2016-04-26 15:07:23 -07:00
Gregor Boirie eb3798463f iio:imu:mpu6050: enhance mounting matrix support
Add a new rotation matrix sysfs attribute compliant with IIO core
mounting matrix API.
Matrix is retrieved from "in_anglvel_mount_matrix" and
"in_accel_mount_matrix" sysfs attributes. It is declared into mpu6050 DTS
entry as a "mount-matrix" property.

Old interface is kept for backward userspace compatibility and may be
retrieved from legacy platform_data mechanism only.

Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-23 22:16:01 +01:00
Gregor Boirie dfc57732ad iio:core: mounting matrix support
Expose a rotation matrix to indicate userspace the chip placement with
respect to the overall hardware system. This is needed to adjust
coordinates sampled from a sensor chip when its position deviates from the
main hardware system.

Final coordinates computation is delegated to userspace since:
* computation may involve floating point arithmetics ;
* it allows an application to combine adjustments with arbitrary
  transformations.

This 3 dimentional space rotation matrix is expressed as 3x3 array of
strings to support floating point numbers. It may be retrieved from a
"[<dir>_][<type>_]mount_matrix" sysfs attribute file. It is declared into a
device / driver specific DTS property or platform data.

Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-23 22:13:05 +01:00
Frederic Barrat e009a7e858 cxl: Allow initialization on timebase sync failures
Failure to synchronize the PSL timebase currently prevents the
initialization of the cxl card, thus rendering the card useless. This
is too extreme for a feature which is rarely used, if at all. No
hardware AFUs or software is currently using PSL timebase.

This patch still tries to synchronize the PSL timebase when the card
is initialized, but ignores the error if it can't. Instead, it reports
a status via /sys.

Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-04-22 21:45:44 +10:00
Greg Kroah-Hartman 5f47992491 Merge 4.6-rc3 into staging-next
This resolves a lot of merge issues with PAGE_CACHE_* changes, and an
iio driver merge issue.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11 09:30:50 -07:00
Wolfram Sang 39b132b0fa i2c: mux: demux-pinctrl: Update docs to new sysfs-attributes
Update the docs according to the recent code changes, too.

Fixes: c0c508a418 ("i2c: mux: demux-pinctrl: Clean up sysfs attributes")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-04-07 21:13:02 +02:00
Greg Kroah-Hartman eb7bfed901 First round of IIO new device support, features and cleanups for the 4.7 cycle.
New core support
 * UV light modifier (for intensity)
 * UV light index channel type.
 
 New device support
 * hp206c barometer and altimeter
   - new driver.
 * mcp4131 potentiometer
   - new driver supporting lots of parts from Microchip.
 * mma8452
   - FXLS8471Q support
 - NXP LPC18XX SOC ADC
   - new driver.
 - NXP LPC18XX SOC DAC
   - new driver.
 - rockchip_saradc
   - support rk3399
 * st accel
   - h3lis331dl support
 
 Staging driver removals
 * adis16204
   - obsolete part making it hard to get parts to test the driver in order
     to clean it up.
 * adis16220
   - obsolete part making it hard to get the parts test the driver in order
     to clean it up.
 
 Features
 * core
   - convenience functions to claim / release direct access to the device.
     Makes more consistent handling of this corner easier. Used in ad7192 driver.
 * ak8975
   - power regulator support.
 * at91-sama5d2
   - differential channel support.
 * mma8452
   - runtime pm support
   - drop device specific autosleep and use the runtime pm one instead.
 * ms5611
   - DT bindings
   - oversampling ratio support
 
 Cleanups and minor fixes
 * MAINTAINERS
   - Peter got married - hence name change!
 
 * Documentation
   - Fix a typo in in_proximity_raw description.
   - Add some missing docs for iio_buffer_access_funcs.
 
 * Tools
   - update iio_event_monitor names to match new stuff.
   - make generic_buffer look for triggers ending in -trigger as we let these in
   for a number of drivers a long time back and now it is a fairly common
   option.
 
 Drivers
 * staging wide
   - convert bare unsigned usage to unsigned int to comply with coding style.
 * non staging wide:
   - since boiler plate gpio handling of interrupts has been moved into the
    ACPI core we don't need to include gpio/consumer.h in a load of drivers so
    drop it.
 * ad7606
   - fix an endian casting sparse warning.
 * ak8975
   - fix a possible unitialized warning from gcc.
   - drop and unused field left over from earlier cleanups
   - fix a missing regulator_disable on exit.
 * at91-sama5d2
   - typo and indentation
   - missing IOMEM dependency.
   - cleanup mode register usage by avoidling erasing whole thing when changing
   the sampling frequency.
 * bmc150
   - use the core demux and available_scan_masks to simplify buffer handling
   - optimize the transfers in the trigger handler now we have a magic function
   to emulate bulk reads (under circumstances met here).  This matters with some
   rather dumb i2c adapters in particular.
   - use a single regmap_conf for all bus types as they were all the same.
 * bmg160
   - use the core demux and available_scan_masks to simplify the buffer handling
   - optimize the transfers in the trigger handler now we have a magic funciton
   to emulate bulk rads (under circumstances met here).
   - drop gpio interrupt probing from the driver (ACPI) as now handled by the
   ACPI core.
 * ina2xx-adc
   - update the CALIB register when RShunt changes.
   - fix scale for VShunt - in reality this error canceled out when used.
 * isl29028
   - use regmap to retrieve the struct device instead of carrying a second
   copy of it around.
 * kxcjk-1013
   - use core demux
   - optimize i2c transfers in the trigger handler.
 * mcp4531
   - refactor to use a pointer to access model parameters instead of indexing
     into the array each time.
 * mma8452
   - style fixes
   - avoid swtiching to active whenever the config changes
   - add missin i2c_device_id for mma8451
 * mpu6050
   - fix possible NULL dereference.
   - fix the name / chip_id used when ACPI used (otherwise reports as NULL).
 * ms5611
   - fix a missing regulator_disable that left the regulator on during removal.
 * mxc4005
   - drop gpio interrupt handling for ACPI case from driver as the core now
   handles this case.
 * st-sensors
   - note that there are only ever a maximum of 3 axis on current st-sensors
   so just allocate a fixed sized buffer big enough for that.
 * tpl0102
   - change the i2c_check_functionality condition to bring it inline with other
     IIO users as EOPNOTSUPP.
 * tsl2563
   - replace deprecated flush_scheduled_work
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Merge tag 'iio-for-4.7a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First round of IIO new device support, features and cleanups for the 4.7 cycle.

New core support
* UV light modifier (for intensity)
* UV light index channel type.

New device support
* hp206c barometer and altimeter
  - new driver.
* mcp4131 potentiometer
  - new driver supporting lots of parts from Microchip.
* mma8452
  - FXLS8471Q support
- NXP LPC18XX SOC ADC
  - new driver.
- NXP LPC18XX SOC DAC
  - new driver.
- rockchip_saradc
  - support rk3399
* st accel
  - h3lis331dl support

Staging driver removals
* adis16204
  - obsolete part making it hard to get parts to test the driver in order
    to clean it up.
* adis16220
  - obsolete part making it hard to get the parts test the driver in order
    to clean it up.

Features
* core
  - convenience functions to claim / release direct access to the device.
    Makes more consistent handling of this corner easier. Used in ad7192 driver.
* ak8975
  - power regulator support.
* at91-sama5d2
  - differential channel support.
* mma8452
  - runtime pm support
  - drop device specific autosleep and use the runtime pm one instead.
* ms5611
  - DT bindings
  - oversampling ratio support

Cleanups and minor fixes
* MAINTAINERS
  - Peter got married - hence name change!

* Documentation
  - Fix a typo in in_proximity_raw description.
  - Add some missing docs for iio_buffer_access_funcs.

* Tools
  - update iio_event_monitor names to match new stuff.
  - make generic_buffer look for triggers ending in -trigger as we let these in
  for a number of drivers a long time back and now it is a fairly common
  option.

Drivers
* staging wide
  - convert bare unsigned usage to unsigned int to comply with coding style.
* non staging wide:
  - since boiler plate gpio handling of interrupts has been moved into the
   ACPI core we don't need to include gpio/consumer.h in a load of drivers so
   drop it.
* ad7606
  - fix an endian casting sparse warning.
* ak8975
  - fix a possible unitialized warning from gcc.
  - drop and unused field left over from earlier cleanups
  - fix a missing regulator_disable on exit.
* at91-sama5d2
  - typo and indentation
  - missing IOMEM dependency.
  - cleanup mode register usage by avoidling erasing whole thing when changing
  the sampling frequency.
* bmc150
  - use the core demux and available_scan_masks to simplify buffer handling
  - optimize the transfers in the trigger handler now we have a magic function
  to emulate bulk reads (under circumstances met here).  This matters with some
  rather dumb i2c adapters in particular.
  - use a single regmap_conf for all bus types as they were all the same.
* bmg160
  - use the core demux and available_scan_masks to simplify the buffer handling
  - optimize the transfers in the trigger handler now we have a magic funciton
  to emulate bulk rads (under circumstances met here).
  - drop gpio interrupt probing from the driver (ACPI) as now handled by the
  ACPI core.
* ina2xx-adc
  - update the CALIB register when RShunt changes.
  - fix scale for VShunt - in reality this error canceled out when used.
* isl29028
  - use regmap to retrieve the struct device instead of carrying a second
  copy of it around.
* kxcjk-1013
  - use core demux
  - optimize i2c transfers in the trigger handler.
* mcp4531
  - refactor to use a pointer to access model parameters instead of indexing
    into the array each time.
* mma8452
  - style fixes
  - avoid swtiching to active whenever the config changes
  - add missin i2c_device_id for mma8451
* mpu6050
  - fix possible NULL dereference.
  - fix the name / chip_id used when ACPI used (otherwise reports as NULL).
* ms5611
  - fix a missing regulator_disable that left the regulator on during removal.
* mxc4005
  - drop gpio interrupt handling for ACPI case from driver as the core now
  handles this case.
* st-sensors
  - note that there are only ever a maximum of 3 axis on current st-sensors
  so just allocate a fixed sized buffer big enough for that.
* tpl0102
  - change the i2c_check_functionality condition to bring it inline with other
    IIO users as EOPNOTSUPP.
* tsl2563
  - replace deprecated flush_scheduled_work
2016-04-04 12:31:05 -07:00
Peter Meerwald-Stadler d409404cf6 iio: Add channel for UV index
UV index indicating strength of sunburn-producing ultraviolet (UV) radiation

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03 11:14:01 +01:00
Peter Meerwald-Stadler 2c5ff1f9a6 iio: Add modifier for UV light
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03 11:14:00 +01:00
Linus Torvalds 698f415cf5 Merge tag 'ofs-pull-tag-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs filesystem from Mike Marshall.

This finally merges the long-pending orangefs filesystem, which has been
much cleaned up with input from Al Viro over the last six months.  From
the documentation file:

 "OrangeFS is an LGPL userspace scale-out parallel storage system.  It
  is ideal for large storage problems faced by HPC, BigData, Streaming
  Video, Genomics, Bioinformatics.

  Orangefs, originally called PVFS, was first developed in 1993 by Walt
  Ligon and Eric Blumer as a parallel file system for Parallel Virtual
  Machine (PVM) as part of a NASA grant to study the I/O patterns of
  parallel programs.

  Orangefs features include:

    - Distributes file data among multiple file servers
    - Supports simultaneous access by multiple clients
    - Stores file data and metadata on servers using local file system
      and access methods
    - Userspace implementation is easy to install and maintain
    - Direct MPI support
    - Stateless"

see Documentation/filesystems/orangefs.txt for more in-depth details.

* tag 'ofs-pull-tag-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux: (174 commits)
  orangefs: fix orangefs_superblock locking
  orangefs: fix do_readv_writev() handling of error halfway through
  orangefs: have ->kill_sb() evict the VFS side of things first
  orangefs: sanitize ->llseek()
  orangefs-bufmap.h: trim unused junk
  orangefs: saner calling conventions for getting a slot
  orangefs_copy_{to,from}_bufmap(): don't pass bufmap pointer
  orangefs: get rid of readdir_handle_s
  ornagefs: ensure that truncate has an up to date inode size
  orangefs: move code which sets i_link to orangefs_inode_getattr
  orangefs: remove needless wrapper around GFP_KERNEL
  orangefs: remove wrapper around mutex_lock(&inode->i_mutex)
  orangefs: refactor inode type or link_target change detection
  orangefs: use new getattr for revalidate and remove old getattr
  orangefs: use new getattr in inode getattr and permission
  orangefs: use new orangefs_inode_getattr to get size in write and llseek
  orangefs: use new orangefs_inode_getattr to create new inodes
  orangefs: rename orangefs_inode_getattr to orangefs_inode_old_getattr
  orangefs: remove inode->i_lock wrapper
  orangefs: put register_chrdev immediately before register_filesystem
  ...
2016-03-26 12:59:04 -07:00
Linus Torvalds 3d66c6ba3f Power management and ACPI material for v4.6-rc1, part 2
- Fix for an intel_pstate driver issue related to the handling of
    MSR updates uncovered by the recent cpufreq rework (Rafael Wysocki).
 
  - cpufreq core cleanups related to starting governors and frequency
    synchronization during resume from system suspend and a locking
    fix for cpufreq_quick_get() (Rafael Wysocki, Richard Cochran).
 
  - acpi-cpufreq and powernv cpufreq driver updates (Jisheng Zhang,
    Michael Neuling, Richard Cochran, Shilpasri Bhat).
 
  - intel_idle driver update preventing some Skylake-H systems
    from hanging during initialization by disabling deep C-states
    mishandled by the platform in the problematic configurations (Len
    Brown).
 
  - Intel Xeon Phi Processor x200 support for intel_idle (Dasaratharaman
    Chandramouli).
 
  - cpuidle menu governor updates to make it always honor PM QoS
    latency constraints (and prevent C1 from being used as the
    fallback C-state on x86 when they are set below its exit latency)
    and to restore the previous behavior to fall back to C1 if the next
    timer event is set far enough in the future that was changed in 4.4
    which led to an energy consumption regression (Rik van Riel, Rafael
    Wysocki).
 
  - New device ID for a future AMD UART controller in the ACPI driver
    for AMD SoCs (Wang Hongcheng).
 
  - Rockchip rk3399 support for the rockchip-io-domain adaptive voltage
    scaling (AVS) driver (David Wu).
 
  - ACPI PCI resources management fix for the handling of IO space
    resources on architectures where the IO space is memory mapped
    (IA64 and ARM64) broken by the introduction of common ACPI
    resources parsing for PCI host bridges in 4.4 (Lorenzo Pieralisi).
 
  - Fix for the ACPI backend of the generic device properties API
    to make it parse non-device (data node only) children of an
    ACPI device correctly (Irina Tirdea).
 
  - Fixes for the handling of global suspend flags (introduced in 4.4)
    during hibernation and resume from it (Lukas Wunner).
 
  - Support for obtaining configuration information from Device Trees
    in the PM clocks framework (Jon Hunter).
 
  - ACPI _DSM helper code and devfreq framework cleanups (Colin Ian
    King, Geert Uytterhoeven).
 
 /
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Merge tag 'pm+acpi-4.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management and ACPI updates from Rafael Wysocki:
 "The second batch of power management and ACPI updates for v4.6.

  Included are fixups on top of the previous PM/ACPI pull request and
  other material that didn't make into it but still should go into 4.6.

  Among other things, there's a fix for an intel_pstate driver issue
  uncovered by recent cpufreq changes, a workaround for a boot hang on
  Skylake-H related to the handling of deep C-states by the platform and
  a PCI/ACPI fix for the handling of IO port resources on non-x86
  architectures plus some new device IDs and similar.

  Specifics:

   - Fix for an intel_pstate driver issue related to the handling of MSR
     updates uncovered by the recent cpufreq rework (Rafael Wysocki).

   - cpufreq core cleanups related to starting governors and frequency
     synchronization during resume from system suspend and a locking fix
     for cpufreq_quick_get() (Rafael Wysocki, Richard Cochran).

   - acpi-cpufreq and powernv cpufreq driver updates (Jisheng Zhang,
     Michael Neuling, Richard Cochran, Shilpasri Bhat).

   - intel_idle driver update preventing some Skylake-H systems from
     hanging during initialization by disabling deep C-states mishandled
     by the platform in the problematic configurations (Len Brown).

   - Intel Xeon Phi Processor x200 support for intel_idle
     (Dasaratharaman Chandramouli).

   - cpuidle menu governor updates to make it always honor PM QoS
     latency constraints (and prevent C1 from being used as the fallback
     C-state on x86 when they are set below its exit latency) and to
     restore the previous behavior to fall back to C1 if the next timer
     event is set far enough in the future that was changed in 4.4 which
     led to an energy consumption regression (Rik van Riel, Rafael
     Wysocki).

   - New device ID for a future AMD UART controller in the ACPI driver
     for AMD SoCs (Wang Hongcheng).

   - Rockchip rk3399 support for the rockchip-io-domain adaptive voltage
     scaling (AVS) driver (David Wu).

   - ACPI PCI resources management fix for the handling of IO space
     resources on architectures where the IO space is memory mapped
     (IA64 and ARM64) broken by the introduction of common ACPI
     resources parsing for PCI host bridges in 4.4 (Lorenzo Pieralisi).

   - Fix for the ACPI backend of the generic device properties API to
     make it parse non-device (data node only) children of an ACPI
     device correctly (Irina Tirdea).

   - Fixes for the handling of global suspend flags (introduced in 4.4)
     during hibernation and resume from it (Lukas Wunner).

   - Support for obtaining configuration information from Device Trees
     in the PM clocks framework (Jon Hunter).

   - ACPI _DSM helper code and devfreq framework cleanups (Colin Ian
     King, Geert Uytterhoeven)"

* tag 'pm+acpi-4.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
  PM / AVS: rockchip-io: add io selectors and supplies for rk3399
  intel_idle: Support for Intel Xeon Phi Processor x200 Product Family
  intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled
  ACPI / PM: Runtime resume devices when waking from hibernate
  PM / sleep: Clear pm_suspend_global_flags upon hibernate
  cpufreq: governor: Always schedule work on the CPU running update
  cpufreq: Always update current frequency before startig governor
  cpufreq: Introduce cpufreq_update_current_freq()
  cpufreq: Introduce cpufreq_start_governor()
  cpufreq: powernv: Add sysfs attributes to show throttle stats
  cpufreq: acpi-cpufreq: make Intel/AMD MSR access, io port access static
  PCI: ACPI: IA64: fix IO port generic range check
  ACPI / util: cast data to u64 before shifting to fix sign extension
  cpufreq: powernv: Define per_cpu chip pointer to optimize hot-path
  cpuidle: menu: Fall back to polling if next timer event is near
  cpufreq: acpi-cpufreq: Clean up hot plug notifier callback
  intel_pstate: Do not call wrmsrl_on_cpu() with disabled interrupts
  cpufreq: Make cpufreq_quick_get() safe to call
  ACPI / property: fix data node parsing in acpi_get_next_subnode()
  ACPI / APD: Add device HID for future AMD UART controller
  ...
2016-03-24 22:59:58 -07:00
Linus Torvalds 5a010c73cd platform-drivers-x86 for 4.6-1
Significant refactoring of Dell laptop drivers, modularizing the smbios code.
 Multiple new platforms added for ideapad, asus, dell, and alienware using
 existing quirks. A few fixes and cleanups.
 
 hp-wmi:
  - Remove GPS rfkill support via pre-2009 interface
  - fix unregister order in hp_wmi_rfkill_setup() once again
 
 ideapad-laptop:
  - Add ideapad Y700 (15) to the no_hw_rfkill DMI list
 
 fujitsu-laptop:
  - Support radio toggle button
 
 intel-hid:
  - allocate correct amount of memory for private struct
 
 platform/x86:
  - Make intel_scu_ipc explicitly non-modular
 
 intel_pmc_ipc:
  - Avoid pending IPC1 command during legacy suspend
  - Fix GCR register base address and length
 
 asus-nb-wmi:
  - add wapf=4 quirk for ASUS X75VD
 
 intel_telemetry_pltdrv:
  - Change verbosity control bits
 
 dell-rbtn:
  - Add a comment about the XPS 13 9350
 
 dell-wmi, dell-laptop:
  - depends DMI
 
 dell-wmi:
  - support Dell Inspiron M5110
  - properly process Dell Instant Launch hotkey
  - enable receiving WMI events on Dell Vostro V131
  - Support new hotkeys on the XPS 13 9350 (Skylake)
  - Clean up hotkey table size check
  - Stop storing pointers to DMI tables
 
 dell-laptop:
  - move dell_smi_error() to dell-smbios
  - use dell_smbios_find_token() instead of find_token_location()
  - use dell_smbios_find_token() instead of find_token_id()
  - extract SMBIOS-related code to a separate module
 
 dell-smbios:
  - rename dell_smi_error() to dell_smbios_error()
  - make da_tokens static
  - remove find_token_{id,location}()
  - implement new function for finding DMI table 0xDA tokens
  - make the SMBIOS buffer static
  - return the SMBIOS buffer from dell_smbios_get_buffer()
  - don't return an SMBIOS buffer from dell_smbios_send_request()
  - don't pass an SMBIOS buffer to dell_smbios_send_request()
  - rename dell_send_request() to dell_smbios_send_request()
  - rename release_buffer() to dell_smbios_release_buffer()
  - rename clear_buffer() to dell_smbios_clear_buffer()
  - rename get_buffer() to dell_smbios_get_buffer()
 
 dell-led:
  - use dell_smbios_send_request() for performing SMBIOS calls
  - use dell_smbios_find_token() for finding mic DMI tokens
 
 toshiba_acpi:
  - Add a module parameter to disable hotkeys registration
  - Add sysfs entries for the Cooling Method feature
  - Add support for cooling method feature
 
 Documentation/ABI:
  - Update sysfs-driver-toshiba_acpi file
 
 thinkpad_acpi:
  - Remove ambiguous logging for "Unsupported brightness interface"
 
 alienware-wmi:
  - whitespace improvements
  - Add support for two new systems: ASM200 and ASM201.
  - Add support for deep sleep control.
  - Add initial support for alienware graphics amplifier.
  - Add support for new platform: X51-R3
  - Clean up whitespace for ASM100 platform
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Merge tag 'platform-drivers-x86-v4.6-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x86 platform driver updates from Darren Hart:
 "Significant refactoring of Dell laptop drivers, modularizing the
  smbios code.  Multiple new platforms added for ideapad, asus, dell,
  and alienware using existing quirks.  A few fixes and cleanups.

  hp-wmi:
   - Remove GPS rfkill support via pre-2009 interface
   - fix unregister order in hp_wmi_rfkill_setup() once again

  ideapad-laptop:
   - Add ideapad Y700 (15) to the no_hw_rfkill DMI list

  fujitsu-laptop:
   - Support radio toggle button

  intel-hid:
   - allocate correct amount of memory for private struct

  platform/x86:
   - Make intel_scu_ipc explicitly non-modular

  intel_pmc_ipc:
   - Avoid pending IPC1 command during legacy suspend
   - Fix GCR register base address and length

  asus-nb-wmi:
   - add wapf=4 quirk for ASUS X75VD

  intel_telemetry_pltdrv:
   - Change verbosity control bits

  dell-rbtn:
   - Add a comment about the XPS 13 9350

  dell-wmi, dell-laptop:
   - depends DMI

  dell-wmi:
   - support Dell Inspiron M5110
   - properly process Dell Instant Launch hotkey
   - enable receiving WMI events on Dell Vostro V131
   - Support new hotkeys on the XPS 13 9350 (Skylake)
   - Clean up hotkey table size check
   - Stop storing pointers to DMI tables

  dell-laptop:
   - move dell_smi_error() to dell-smbios
   - use dell_smbios_find_token() instead of find_token_location()
   - use dell_smbios_find_token() instead of find_token_id()
   - extract SMBIOS-related code to a separate module

  dell-smbios:
   - rename dell_smi_error() to dell_smbios_error()
   - make da_tokens static
   - remove find_token_{id,location}()
   - implement new function for finding DMI table 0xDA tokens
   - make the SMBIOS buffer static
   - return the SMBIOS buffer from dell_smbios_get_buffer()
   - don't return an SMBIOS buffer from dell_smbios_send_request()
   - don't pass an SMBIOS buffer to dell_smbios_send_request()
   - rename dell_send_request() to dell_smbios_send_request()
   - rename release_buffer() to dell_smbios_release_buffer()
   - rename clear_buffer() to dell_smbios_clear_buffer()
   - rename get_buffer() to dell_smbios_get_buffer()

  dell-led:
   - use dell_smbios_send_request() for performing SMBIOS calls
   - use dell_smbios_find_token() for finding mic DMI tokens

  toshiba_acpi:
   - Add a module parameter to disable hotkeys registration
   - Add sysfs entries for the Cooling Method feature
   - Add support for cooling method feature

  Documentation/ABI:
   - Update sysfs-driver-toshiba_acpi file

  thinkpad_acpi:
   - Remove ambiguous logging for "Unsupported brightness interface"

  alienware-wmi:
   - whitespace improvements
   - Add support for two new systems: ASM200 and ASM201.
   - Add support for deep sleep control.
   - Add initial support for alienware graphics amplifier.
   - Add support for new platform: X51-R3
   - Clean up whitespace for ASM100 platform"

* tag 'platform-drivers-x86-v4.6-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (47 commits)
  hp-wmi: Remove GPS rfkill support via pre-2009 interface
  hp-wmi: fix unregister order in hp_wmi_rfkill_setup() once again
  dell-wmi: support Dell Inspiron M5110
  dell-wmi: properly process Dell Instant Launch hotkey
  dell-wmi: enable receiving WMI events on Dell Vostro V131
  dell-smbios: rename dell_smi_error() to dell_smbios_error()
  dell-laptop: move dell_smi_error() to dell-smbios
  ideapad-laptop: Add ideapad Y700 (15) to the no_hw_rfkill DMI list
  fujitsu-laptop: Support radio toggle button
  intel-hid: allocate correct amount of memory for private struct
  platform/x86: Make intel_scu_ipc explicitly non-modular
  intel_pmc_ipc: Avoid pending IPC1 command during legacy suspend
  intel_pmc_ipc: Fix GCR register base address and length
  asus-nb-wmi: add wapf=4 quirk for ASUS X75VD
  intel_telemetry_pltdrv: Change verbosity control bits
  dell-rbtn: Add a comment about the XPS 13 9350
  dell-wmi: Support new hotkeys on the XPS 13 9350 (Skylake)
  dell-wmi: Clean up hotkey table size check
  dell-wmi, dell-laptop: depends DMI
  dell-wmi: Stop storing pointers to DMI tables
  ...
2016-03-23 17:20:59 -07:00
Azael Avalos 33f857a441 Documentation/ABI: Update sysfs-driver-toshiba_acpi file
This patch updates the documentation file adding the Cooling Method
entry.

Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-03-23 10:05:37 -07:00
Shilpasri G Bhat 1b0289848d cpufreq: powernv: Add sysfs attributes to show throttle stats
Create sysfs attributes to export throttle information in
/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats directory. The
newly added sysfs files are as follows:

 1)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/turbo_stat
 2)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/sub-turbo_stat
 3)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/unthrottle
 4)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/powercap
 5)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overtemp
 6)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/supply_fault
 7)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overcurrent
 8)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/occ_reset

Detailed explanation of each attribute is added to
Documentation/ABI/testing/sysfs-devices-system-cpu

Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-03-22 23:11:18 +01:00
Linus Torvalds b852495908 Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "Mostly usual driver updates and improvements.  The changelog should
  give an idea.  Standing out is the i2c-qup driver with lots of new
  capabilities and we also have now an i2c-demuxer.

  I'd especially like to welcome Peter Rosin as the i2c-mux maintainer.
  He has an interesting series for muxes in the queue and agreed to look
  after this part of the subsystem.  Thank you, Peter, and welcome
  again!

  The octeon changes were applied pretty recently before the merge
  window.  I am aware.  They are the first (and relatively simple)
  patches of a larger overhaul to this driver.  In case something goes
  wrong with them, they are easy to fix (or revert).  The advantage I
  see is that they are out of the way, and I can concentrate on the next
  block of patches.  I really would like to apply the overhaul in
  smaller batches to avoid regressions.  And waiting a cycle for the
  introductory patches seemed too much of a delay for me"

* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (39 commits)
  i2c: octeon: Support I2C_M_RECV_LEN
  i2c: octeon: Cleanup resource allocation code
  i2c: octeon: Cleanup i2c-octeon driver
  MAINTAINERS: add Peter Rosin as i2c mux maintainer
  dt-bindings: i2c: Spelling s/propoerty/property/
  i2c: immediately mark ourselves as registered
  i2c: i801: sort IDs alphabetically
  MAINTAINERS: Mika and me are designated reviewers for I2C DESIGNWARE
  i2c: octeon: Cleanup kerneldoc comments
  i2c: do not use internal data from driver core
  i2c: cadence: Fix the kernel-doc warnings
  i2c: imx: remove extra spaces.
  i2c: rcar: don't open code of_device_get_match_data()
  i2c: qup: Fix fifo handling after adding V2 support
  i2c: xiic: Implement power management
  i2c: piix4: Pre-shift the port number
  i2c: piix4: Always use the same type for port
  i2c: piix4: Support alternative port selection register
  i2c: tegra: don't open code of_device_get_match_data()
  i2c: riic, sh_mobile, rcar: Use ARCH_RENESAS
  ...
2016-03-22 12:47:40 -07:00
Linus Torvalds d407574e79 Merge tag 'for-f2fs-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
 "New Features:
   - uplift filesystem encryption into fs/crypto/
   - give sysfs entries to control memroy consumption

  Enhancements:
   - aio performance by preallocating blocks in ->write_iter
   - use writepages lock for only WB_SYNC_ALL
   - avoid redundant inline_data conversion
   - enhance forground GC
   - use wait_for_stable_page as possible
   - speed up SEEK_DATA and fiiemap

  Bug Fixes:
   - corner case in terms of -ENOSPC for inline_data
   - hung task caused by long latency in shrinker
   - corruption between atomic write and f2fs_trace_pid
   - avoid garbage lengths in dentries
   - revoke atomicly written pages if an error occurs

  In addition, there are various minor bug fixes and clean-ups"

* tag 'for-f2fs-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (81 commits)
  f2fs: submit node page write bios when really required
  f2fs: add missing argument to f2fs_setxattr stub
  f2fs: fix to avoid unneeded unlock_new_inode
  f2fs: clean up opened code with f2fs_update_dentry
  f2fs: declare static functions
  f2fs: use cryptoapi crc32 functions
  f2fs: modify the readahead method in ra_node_page()
  f2fs crypto: sync ext4_lookup and ext4_file_open
  fs crypto: move per-file encryption from f2fs tree to fs/crypto
  f2fs: mutex can't be used by down_write_nest_lock()
  f2fs: recovery missing dot dentries in root directory
  f2fs: fix to avoid deadlock when merging inline data
  f2fs: introduce f2fs_flush_merged_bios for cleanup
  f2fs: introduce f2fs_update_data_blkaddr for cleanup
  f2fs crypto: fix incorrect positioning for GCing encrypted data page
  f2fs: fix incorrect upper bound when iterating inode mapping tree
  f2fs: avoid hungtask problem caused by losing wake_up
  f2fs: trace old block address for CoWed page
  f2fs: try to flush inode after merging inline data
  f2fs: show more info about superblock recovery
  ...
2016-03-21 11:03:02 -07:00
Peter Meerwald 4fbcfa09f9 iio: ABI: Fix typo in in_proximity_raw description
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20 10:27:21 +00:00
Linus Torvalds 1c3d770043 IEEE 1394 subsystem patches:
- move away from outmoded timekeeping API,
   - error reporting fix,
   - documentation bits.
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire updates from Stefan Richter:
 "IEEE 1394 subsystem patches:

   - move away from outmoded timekeeping API
   - error reporting fix
   - documentation bits"

* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: ABI documentation: libhinawa uses firewire-cdev
  firewire: ABI documentation: jujuutils were renamed to linux-firewire-utils
  firewire: ohci: propagate return code from soft_reset to probe and resume
  firewire: nosy: Replace timeval with timespec64
2016-03-19 19:21:24 -07:00
Linus Torvalds d5e2d00898 powerpc updates for 4.6
Highlights:
  - Restructure Linux PTE on Book3S/64 to Radix format from Paul Mackerras
  - Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh Kumar K.V
  - Add POWER9 cputable entry from Michael Neuling
  - FPU/Altivec/VSX save/restore optimisations from Cyril Bur
  - Add support for new ftrace ABI on ppc64le from Torsten Duwe
 
 Various cleanups & minor fixes from:
  - Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy, Cyril
    Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell Currey,
    Sukadev Bhattiprolu, Suraj Jitindar Singh.
 
 General:
  - atomics: Allow architectures to define their own __atomic_op_* helpers from
    Boqun Feng
  - Implement atomic{, 64}_*_return_* variants and acquire/release/relaxed
    variants for (cmp)xchg from Boqun Feng
  - Add powernv_defconfig from Jeremy Kerr
  - Fix BUG_ON() reporting in real mode from Balbir Singh
  - Add xmon command to dump OPAL msglog from Andrew Donnellan
  - Add xmon command to dump process/task similar to ps(1) from Douglas Miller
  - Clean up memory hotplug failure paths from David Gibson
 
 pci/eeh:
  - Redesign SR-IOV on PowerNV to give absolute isolation between VFs from Wei
    Yang.
  - EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
  - PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
  - PCI: Add pcibios_bus_add_device() weak function from Wei Yang
  - MAINTAINERS: Update EEH details and maintainership from Russell Currey
 
 cxl:
  - Support added to the CXL driver for running on both bare-metal and
    hypervisor systems, from Christophe Lombard and Frederic Barrat.
  - Ignore probes for virtual afu pci devices from Vaibhav Jain
 
 perf:
  - Export Power8 generic and cache events to sysfs from Sukadev Bhattiprolu
  - hv-24x7: Fix usage with chip events, display change in counter values,
    display domain indices in sysfs, eliminate domain suffix in event names,
    from Sukadev Bhattiprolu
 
 Freescale:
  - Updates from Scott: "Highlights include 8xx optimizations, 32-bit checksum
    optimizations, 86xx consolidation, e5500/e6500 cpu hotplug, more fman and
    other dt bits, and minor fixes/cleanup."
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Merge tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "This was delayed a day or two by some build-breakage on old toolchains
  which we've now fixed.

  There's two PCI commits both acked by Bjorn.

  There's one commit to mm/hugepage.c which is (co)authored by Kirill.

  Highlights:
   - Restructure Linux PTE on Book3S/64 to Radix format from Paul
     Mackerras
   - Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh
     Kumar K.V
   - Add POWER9 cputable entry from Michael Neuling
   - FPU/Altivec/VSX save/restore optimisations from Cyril Bur
   - Add support for new ftrace ABI on ppc64le from Torsten Duwe

  Various cleanups & minor fixes from:
   - Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy,
     Cyril Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell
     Currey, Sukadev Bhattiprolu, Suraj Jitindar Singh.

  General:
   - atomics: Allow architectures to define their own __atomic_op_*
     helpers from Boqun Feng
   - Implement atomic{, 64}_*_return_* variants and acquire/release/
     relaxed variants for (cmp)xchg from Boqun Feng
   - Add powernv_defconfig from Jeremy Kerr
   - Fix BUG_ON() reporting in real mode from Balbir Singh
   - Add xmon command to dump OPAL msglog from Andrew Donnellan
   - Add xmon command to dump process/task similar to ps(1) from Douglas
     Miller
   - Clean up memory hotplug failure paths from David Gibson

  pci/eeh:
   - Redesign SR-IOV on PowerNV to give absolute isolation between VFs
     from Wei Yang.
   - EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
   - PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
   - PCI: Add pcibios_bus_add_device() weak function from Wei Yang
   - MAINTAINERS: Update EEH details and maintainership from Russell
     Currey

  cxl:
   - Support added to the CXL driver for running on both bare-metal and
     hypervisor systems, from Christophe Lombard and Frederic Barrat.
   - Ignore probes for virtual afu pci devices from Vaibhav Jain

  perf:
   - Export Power8 generic and cache events to sysfs from Sukadev
     Bhattiprolu
   - hv-24x7: Fix usage with chip events, display change in counter
     values, display domain indices in sysfs, eliminate domain suffix in
     event names, from Sukadev Bhattiprolu

  Freescale:
   - Updates from Scott: "Highlights include 8xx optimizations, 32-bit
     checksum optimizations, 86xx consolidation, e5500/e6500 cpu
     hotplug, more fman and other dt bits, and minor fixes/cleanup"

* tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
  powerpc: Fix unrecoverable SLB miss during restore_math()
  powerpc/8xx: Fix do_mtspr_cpu6() build on older compilers
  powerpc/rcpm: Fix build break when SMP=n
  powerpc/book3e-64: Use hardcoded mttmr opcode
  powerpc/fsl/dts: Add "jedec,spi-nor" flash compatible
  powerpc/T104xRDB: add tdm riser card node to device tree
  powerpc32: PAGE_EXEC required for inittext
  powerpc/mpc85xx: Add pcsphy nodes to FManV3 device tree
  powerpc/mpc85xx: Add MDIO bus muxing support to the board device tree(s)
  powerpc/86xx: Introduce and use common dtsi
  powerpc/86xx: Update device tree
  powerpc/86xx: Move dts files to fsl directory
  powerpc/86xx: Switch to kconfig fragments approach
  powerpc/86xx: Update defconfigs
  powerpc/86xx: Consolidate common platform code
  powerpc32: Remove one insn in mulhdu
  powerpc32: small optimisation in flush_icache_range()
  powerpc: Simplify test in __dma_sync()
  powerpc32: move xxxxx_dcache_range() functions inline
  powerpc32: Remove clear_pages() and define clear_page() inline
  ...
2016-03-19 15:38:41 -07:00
Linus Torvalds 1200b6809d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Highlights:

   1) Support more Realtek wireless chips, from Jes Sorenson.

   2) New BPF types for per-cpu hash and arrap maps, from Alexei
      Starovoitov.

   3) Make several TCP sysctls per-namespace, from Nikolay Borisov.

   4) Allow the use of SO_REUSEPORT in order to do per-thread processing
   of incoming TCP/UDP connections.  The muxing can be done using a
   BPF program which hashes the incoming packet.  From Craig Gallek.

   5) Add a multiplexer for TCP streams, to provide a messaged based
      interface.  BPF programs can be used to determine the message
      boundaries.  From Tom Herbert.

   6) Add 802.1AE MACSEC support, from Sabrina Dubroca.

   7) Avoid factorial complexity when taking down an inetdev interface
      with lots of configured addresses.  We were doing things like
      traversing the entire address less for each address removed, and
      flushing the entire netfilter conntrack table for every address as
      well.

   8) Add and use SKB bulk free infrastructure, from Jesper Brouer.

   9) Allow offloading u32 classifiers to hardware, and implement for
      ixgbe, from John Fastabend.

  10) Allow configuring IRQ coalescing parameters on a per-queue basis,
      from Kan Liang.

  11) Extend ethtool so that larger link mode masks can be supported.
      From David Decotigny.

  12) Introduce devlink, which can be used to configure port link types
      (ethernet vs Infiniband, etc.), port splitting, and switch device
      level attributes as a whole.  From Jiri Pirko.

  13) Hardware offload support for flower classifiers, from Amir Vadai.

  14) Add "Local Checksum Offload".  Basically, for a tunneled packet
      the checksum of the outer header is 'constant' (because with the
      checksum field filled into the inner protocol header, the payload
      of the outer frame checksums to 'zero'), and we can take advantage
      of that in various ways.  From Edward Cree"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1548 commits)
  bonding: fix bond_get_stats()
  net: bcmgenet: fix dma api length mismatch
  net/mlx4_core: Fix backward compatibility on VFs
  phy: mdio-thunder: Fix some Kconfig typos
  lan78xx: add ndo_get_stats64
  lan78xx: handle statistics counter rollover
  RDS: TCP: Remove unused constant
  RDS: TCP: Add sysctl tunables for sndbuf/rcvbuf on rds-tcp socket
  net: smc911x: convert pxa dma to dmaengine
  team: remove duplicate set of flag IFF_MULTICAST
  bonding: remove duplicate set of flag IFF_MULTICAST
  net: fix a comment typo
  ethernet: micrel: fix some error codes
  ip_tunnels, bpf: define IP_TUNNEL_OPTS_MAX and use it
  bpf, dst: add and use dst_tclassid helper
  bpf: make skb->tc_classid also readable
  net: mvneta: bm: clarify dependencies
  cls_bpf: reset class and reuse major in da
  ldmvsw: Checkpatch sunvnet.c and sunvnet_common.c
  ldmvsw: Add ldmvsw.c driver code
  ...
2016-03-19 10:05:34 -07:00
Linus Torvalds 9dffdb38d8 Staging driver patches for 4.6-rc1
Here is the big staging driver pull request for 4.6-rc1.
 
 Lots of little things here, over 1600 patches or so.  Notible is all of
 the good Lustre work happening, those developers have finally woken up
 and are cleaning up their code greatly.  The Outreachy intern
 application process is also happening, which brought in another 400 or
 so patches.  Full details are in the very long shortlog.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big staging driver pull request for 4.6-rc1.

  Lots of little things here, over 1600 patches or so.  Notable is all
  of the good Lustre work happening, those developers have finally woken
  up and are cleaning up their code greatly.  The Outreachy intern
  application process is also happening, which brought in another 400 or
  so patches.  Full details are in the very long shortlog.

  All of these have been in linux-next with no reported issues"

* tag 'staging-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1673 commits)
  staging: lustre: fix aligments in lnet selftest
  staging: lustre: report minimum of two buffers for LNet selftest load test
  staging: lustre: test for proper errno code in lstcon_rpc_trans_abort
  staging: lustre: filter remaining extra spacing for lnet selftest
  staging: lustre: remove extra spacing when setting variable for lnet selftest
  staging: lustre: remove extra spacing of variable declartions for lnet selftest
  staging: lustre: fix spacing issues checkpatch reported in lnet selftest
  staging: lustre: remove returns in void function for lnet selftest
  staging: lustre: fix bogus lst errors for lnet selftest
  staging: netlogic: Replacing pr_err with dev_err after the call to devm_kzalloc
  staging: mt29f_spinand: Replacing pr_info with dev_info after the call to devm_kzalloc
  staging: android: ion: fix up file mode
  staging: ion: debugfs invalid gfp mask
  staging: rts5208: Replace pci_enable_device with pcim_enable_device
  Staging: ieee80211: Place constant on right side of the test.
  staging: speakup: Replace del_timer with del_timer_sync
  staging: lowmemorykiller: fix 2 checks that checkpatch complained
  staging: mt29f_spinand: Drop void pointer cast
  staging: rdma: hfi1: file_ops: Replace ALIGN with PAGE_ALIGN
  staging: rdma: hfi1: driver: Replace IS_ALIGNED with PAGE_ALIGNED
  ...
2016-03-17 22:13:41 -07:00
Linus Torvalds 1a46712aa9 This is the bulk of GPIO changes for kernel v4.6:
Core changes:
 
 - The gpio_chip is now a *real device*. Until now the gpio chips
   were just piggybacking the parent device or (gasp) floating in
   space outside of the device model. We now finally make GPIO chips
   devices. The gpio_chip will create a gpio_device which contains
   a struct device, and this gpio_device struct is kept private.
   Anything that needs to be kept private from the rest of the kernel
   will gradually be moved over to the gpio_device.
 
 - As a result of making the gpio_device a real device, we have added
   resource management, so devm_gpiochip_add_data() will cut down on
   overhead and reduce code lines. A huge slew of patches convert
   almost all drivers in the subsystem to use this.
 
 - Building on making the GPIO a real device, we add the first step
   of a new userspace ABI: the GPIO character device. We take small
   steps here, so we first add a pure *information* ABI and the tool
   "lsgpio" that will list all GPIO devices on the system and all
   lines on these devices. We can now discover GPIOs properly from
   userspace. We still have not come up with a way to actually *use*
   GPIOs from userspace.
 
 - To encourage people to use the character device for the future,
   we have it always-enabled when using GPIO. The old sysfs ABI is
   still opt-in (and can be used in parallel), but is marked as
   deprecated. We will keep it around for the foreseeable future,
   but it will not be extended to cover ever more use cases.
 
 Cleanup:
 
 - Bjorn Helgaas removed a whole slew of per-architecture <asm/gpio.h>
   includes. This dates back to when GPIO was an opt-in feature and
   no shared library even existed: just a header file with proper
   prototypes was provided and all semantics were up to the arch to
   implement. These patches make the GPIO chip even more a proper
   device and cleans out leftovers of the old in-kernel API here
   and there. Still some cruft is left but it's very little now.
 
 - There is still some clamping of return values for .get() going
   on, but we now return sane values in the vast majority of drivers
   and the errorpath is sanitized. Some patches for powerpc, blackfin
   and unicore still drop in.
 
 - We continue to switch the ARM, MIPS, blackfin, m68k local GPIO
   implementations to use gpiochip_add_data() and cut down on code
   lines.
 
 - MPC8xxx is converted to use the generic GPIO helpers.
 
 - ATH79 is converted to use the generic GPIO helpers.
 
 New drivers:
 
 - WinSystems WS16C48
 
 - Acces 104-DIO-48E
 
 - F81866 (a F7188x variant)
 
 - Qoric (a MPC8xxx variant)
 
 - TS-4800
 
 - SPI serializers (pisosr): simple 74xx shift registers connected
   to SPI to obtain a dirt-cheap output-only GPIO expander.
 
 - Texas Instruments TPIC2810
 
 - Texas Instruments TPS65218
 
 - Texas Instruments TPS65912
 
 - X-Gene (ARM64) standby GPIO controller
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Merge tag 'gpio-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for kernel v4.6.  There is quite a
  lot of interesting stuff going on.

  The patches to other subsystems and arch-wide are ACKed as far as
  possible, though I consider things like per-arch <asm/gpio.h> as
  essentially a part of the GPIO subsystem so it should not be needed.

  Core changes:

   - The gpio_chip is now a *real device*.  Until now the gpio chips
     were just piggybacking the parent device or (gasp) floating in
     space outside of the device model.

     We now finally make GPIO chips devices.  The gpio_chip will create
     a gpio_device which contains a struct device, and this gpio_device
     struct is kept private.  Anything that needs to be kept private
     from the rest of the kernel will gradually be moved over to the
     gpio_device.

   - As a result of making the gpio_device a real device, we have added
     resource management, so devm_gpiochip_add_data() will cut down on
     overhead and reduce code lines.  A huge slew of patches convert
     almost all drivers in the subsystem to use this.

   - Building on making the GPIO a real device, we add the first step of
     a new userspace ABI: the GPIO character device.  We take small
     steps here, so we first add a pure *information* ABI and the tool
     "lsgpio" that will list all GPIO devices on the system and all
     lines on these devices.

     We can now discover GPIOs properly from userspace.  We still have
     not come up with a way to actually *use* GPIOs from userspace.

   - To encourage people to use the character device for the future, we
     have it always-enabled when using GPIO.  The old sysfs ABI is still
     opt-in (and can be used in parallel), but is marked as deprecated.

     We will keep it around for the foreseeable future, but it will not
     be extended to cover ever more use cases.

  Cleanup:

   - Bjorn Helgaas removed a whole slew of per-architecture <asm/gpio.h>
     includes.

     This dates back to when GPIO was an opt-in feature and no shared
     library even existed: just a header file with proper prototypes was
     provided and all semantics were up to the arch to implement.  These
     patches make the GPIO chip even more a proper device and cleans out
     leftovers of the old in-kernel API here and there.

     Still some cruft is left but it's very little now.

   - There is still some clamping of return values for .get() going on,
     but we now return sane values in the vast majority of drivers and
     the errorpath is sanitized.  Some patches for powerpc, blackfin and
     unicore still drop in.

   - We continue to switch the ARM, MIPS, blackfin, m68k local GPIO
     implementations to use gpiochip_add_data() and cut down on code
     lines.

   - MPC8xxx is converted to use the generic GPIO helpers.

   - ATH79 is converted to use the generic GPIO helpers.

  New drivers:

   - WinSystems WS16C48

   - Acces 104-DIO-48E

   - F81866 (a F7188x variant)

   - Qoric (a MPC8xxx variant)

   - TS-4800

   - SPI serializers (pisosr): simple 74xx shift registers connected to
     SPI to obtain a dirt-cheap output-only GPIO expander.

   - Texas Instruments TPIC2810

   - Texas Instruments TPS65218

   - Texas Instruments TPS65912

   - X-Gene (ARM64) standby GPIO controller"

* tag 'gpio-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (194 commits)
  Revert "Share upstreaming patches"
  gpio: mcp23s08: Fix clearing of interrupt.
  gpiolib: Fix comment referring to gpio_*() in gpiod_*()
  gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit
  gpio: xgene: Fix kconfig for standby GIPO contoller
  gpio: Add generic serializer DT binding
  gpio: uapi: use 0xB4 as ioctl() major
  gpio: tps65912: fix bad merge
  Revert "gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free"
  gpio: omap: drop dev field from gpio_bank structure
  gpio: mpc8xxx: Slightly update the code for better readability
  gpio: mpc8xxx: Remove *read_reg and *write_reg from struct mpc8xxx_gpio_chip
  gpio: mpc8xxx: Fixup setting gpio direction output
  gpio: mcp23s08: Add support for mcp23s18
  dt-bindings: gpio: altera: Fix altr,interrupt-type property
  gpio: add driver for MEN 16Z127 GPIO controller
  gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free
  gpio: timberdale: Switch to devm_ioremap_resource()
  gpio: ts4800: Add IMX51 dependency
  gpiolib: rewrite gpiodev_add_to_list
  ...
2016-03-17 21:05:32 -07:00
Linus Torvalds 8eee93e257 Char/Misc patches for 4.6-rc1
Here is the big char/misc driver update for 4.6-rc1.
 
 The majority of the patches here is hwtracing and some new mic drivers,
 but there's a lot of other driver updates as well.  Full details in the
 shortlog.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc updates from Greg KH:
 "Here is the big char/misc driver update for 4.6-rc1.

  The majority of the patches here is hwtracing and some new mic
  drivers, but there's a lot of other driver updates as well.  Full
  details in the shortlog.

  All have been in linux-next for a while with no reported issues"

* tag 'char-misc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (238 commits)
  goldfish: Fix build error of missing ioremap on UM
  nvmem: mediatek: Fix later provider initialization
  nvmem: imx-ocotp: Fix return value of imx_ocotp_read
  nvmem: Fix dependencies for !HAS_IOMEM archs
  char: genrtc: replace blacklist with whitelist
  drivers/hwtracing: make coresight-etm-perf.c explicitly non-modular
  drivers: char: mem: fix IS_ERROR_VALUE usage
  char: xillybus: Fix internal data structure initialization
  pch_phub: return -ENODATA if ROM can't be mapped
  Drivers: hv: vmbus: Support kexec on ws2012 r2 and above
  Drivers: hv: vmbus: Support handling messages on multiple CPUs
  Drivers: hv: utils: Remove util transport handler from list if registration fails
  Drivers: hv: util: Pass the channel information during the init call
  Drivers: hv: vmbus: avoid unneeded compiler optimizations in vmbus_wait_for_unload()
  Drivers: hv: vmbus: remove code duplication in message handling
  Drivers: hv: vmbus: avoid wait_for_completion() on crash
  Drivers: hv: vmbus: don't loose HVMSG_TIMER_EXPIRED messages
  misc: at24: replace memory_accessor with nvmem_device_read
  eeprom: 93xx46: extend driver to plug into the NVMEM framework
  eeprom: at25: extend driver to plug into the NVMEM framework
  ...
2016-03-17 13:47:50 -07:00
Linus Torvalds 1a4ab084af Driver core patches for 4.6-rc1
Just a few patches this time around for the 4.6-rc1 merge window.
 Largest is a new firmware driver, but there are some other updates to
 the driver core in here as well, the shortlog has the details.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Just a few patches this time around for the 4.6-rc1 merge window.
  Largest is a new firmware driver, but there are some other updates to
  the driver core in here as well, the shortlog has the details.

  All have been in linux-next for a while with no reported issues"

* tag 'driver-core-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Revert "driver-core: platform: probe of-devices only using list of compatibles"
  firmware: qemu config needs I/O ports
  firmware: qemu_fw_cfg.c: fix typo FW_CFG_DATA_OFF
  driver-core: platform: probe of-devices only using list of compatibles
  driver-core: platform: fix typo in documentation for multi-driver helper
  component: remove impossible condition
  drivers: dma-coherent: simplify dma_init_coherent_memory return value
  devicetree: update documentation for fw_cfg ARM bindings
  firmware: create directory hierarchy for sysfs fw_cfg entries
  firmware: introduce sysfs driver for QEMU's fw_cfg device
  kobject: export kset_find_obj() for module use
  driver core: bus: use to_subsys_private and to_device_private_bus
  driver core: bus: use list_for_each_entry*
  debugfs: Add stub function for debugfs_create_automount().
  kernfs: make kernfs_walk_ns() use kernfs_pr_cont_buf[]
2016-03-17 13:38:00 -07:00
Linus Torvalds b5b131c747 dmaengine updates for 4.6
This is smallish update with minor changes to core and new driver and usual
 updates. Nothing super exciting here..
 
 - We have made slave address as physical to enable driver to do the mapping.
 - We now expose the maxburst for slave dma as new capability so clients can
   know this and program accordingly
 - addition of device synchronize callbacks on omap and edma.
 - pl330 updates to support DMAFLUSHP for Rockchip platforms.
 - Updates and improved sg handling in Xilinx VDMA driver.
 - New hidma qualcomm dma driver, though some bits are still in progress
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Merge tag 'dmaengine-4.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This is smallish update with minor changes to core and new driver and
  usual updates.  Nothing super exciting here..

   - We have made slave address as physical to enable driver to do the
     mapping.

   - We now expose the maxburst for slave dma as new capability so
     clients can know this and program accordingly

   - addition of device synchronize callbacks on omap and edma.

   - pl330 updates to support DMAFLUSHP for Rockchip platforms.

   - Updates and improved sg handling in Xilinx VDMA driver.

   - New hidma qualcomm dma driver, though some bits are still in
     progress"

* tag 'dmaengine-4.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (40 commits)
  dmaengine: IOATDMA: revise channel reset workaround on CB3.3 platforms
  dmaengine: add Qualcomm Technologies HIDMA channel driver
  dmaengine: add Qualcomm Technologies HIDMA management driver
  dmaengine: hidma: Add Device Tree binding
  dmaengine: qcom_bam_dma: move to qcom directory
  dmaengine: tegra: Move of_device_id table near to its user
  dmaengine: xilinx_vdma: Remove unnecessary variable initializations
  dmaengine: sirf: use __maybe_unused to hide pm functions
  dmaengine: rcar-dmac: clear pertinence number of channels
  dmaengine: sh: shdmac: don't open code of_device_get_match_data()
  dmaengine: tegra: don't open code of_device_get_match_data()
  dmaengine: qcom_bam_dma: Make driver work for BE
  dmaengine: sun4i: support module autoloading
  dma/mic_x100_dma: IS_ERR() vs PTR_ERR() typo
  dmaengine: xilinx_vdma: Use readl_poll_timeout instead of do while loop's
  dmaengine: xilinx_vdma: Simplify spin lock handling
  dmaengine: xilinx_vdma: Fix issues with non-parking mode
  dmaengine: xilinx_vdma: Improve SG engine handling
  dmaengine: pl330: fix to support the burst mode
  dmaengine: make slave address physical
  ...
2016-03-17 12:34:54 -07:00
Linus Torvalds bb7aeae3d6 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security layer updates from James Morris:
 "There are a bunch of fixes to the TPM, IMA, and Keys code, with minor
  fixes scattered across the subsystem.

  IMA now requires signed policy, and that policy is also now measured
  and appraised"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (67 commits)
  X.509: Make algo identifiers text instead of enum
  akcipher: Move the RSA DER encoding check to the crypto layer
  crypto: Add hash param to pkcs1pad
  sign-file: fix build with CMS support disabled
  MAINTAINERS: update tpmdd urls
  MODSIGN: linux/string.h should be #included to get memcpy()
  certs: Fix misaligned data in extra certificate list
  X.509: Handle midnight alternative notation in GeneralizedTime
  X.509: Support leap seconds
  Handle ISO 8601 leap seconds and encodings of midnight in mktime64()
  X.509: Fix leap year handling again
  PKCS#7: fix unitialized boolean 'want'
  firmware: change kernel read fail to dev_dbg()
  KEYS: Use the symbol value for list size, updated by scripts/insert-sys-cert
  KEYS: Reserve an extra certificate symbol for inserting without recompiling
  modsign: hide openssl output in silent builds
  tpm_tis: fix build warning with tpm_tis_resume
  ima: require signed IMA policy
  ima: measure and appraise the IMA policy itself
  ima: load policy using path
  ...
2016-03-17 11:33:45 -07:00
Mike Marshall ab6652524a Linux 4.5
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Orangefs: merge to v4.5

Merge tag 'v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into current

Linux 4.5
2016-03-14 15:39:42 -04:00
Stefan Richter e38e5ce81c firewire: ABI documentation: libhinawa uses firewire-cdev
Hinawa [https://github.com/takaswie/libhinawa/] is a library for
access to IEEE 1394 devices.  As a gobject introspection library, it
facilitates writing applications in high-level programming languages.
Besides generic I/O via /dev/fw* (firewire-cdev ABI), it also supports
control of IEEE 1394 audio hardware via ALSA hwdep ABIs which are
provided by sound/firewire drivers.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2016-03-12 10:55:46 +01:00
Sinan Kaya 7f8f209fd6 dmaengine: add Qualcomm Technologies HIDMA management driver
The Qualcomm Technologies HIDMA device has been designed to support
virtualization technology. The driver has been divided into two to follow
the hardware design.

1. HIDMA Management driver
2. HIDMA Channel driver

Each HIDMA HW consists of multiple channels. These channels share some set
of common parameters. These parameters are initialized by the management
driver during power up. Same management driver is used for monitoring the
execution of the channels. Management driver can change the performance
behavior dynamically such as bandwidth allocation and prioritization.

The management driver is executed in host context and is the main
management entity for all channels provided by the device.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-03-11 07:42:23 +05:30
Christophe Lombard 4752876c71 cxl: sysfs support for guests
Filter out a few adapter parameters which don't make sense in a guest.
Document the changes.

Co-authored-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Reviewed-by: Manoj Kumar <manoj@linux.vnet.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-03-09 23:39:40 +11:00
Heiner Kallweit 02212001c9 [media] media: rc: nuvoton: switch attribute wakeup_data to text
Switch attribute wakeup_data from binary to a text attribute.
This makes it easier to handle in userspace and allows to
use the output of tools like mode2 almost as is to set a
wakeup sequence.
Changing to a text format and values in microseconds also
makes the userspace interface independent of the setting of
SAMPLE_PERIOD in the driver.

In addition document the new sysfs attribute in
Documentation/ABI/testing/sysfs-class-rc-nuvoton.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-03-05 08:22:03 -03:00
Greg Kroah-Hartman ec3c13e4ac Third set of IIO new device support, features and cleanups for the 4.6 cycle.
Good to see several new contributors in this set - and more generally a
 number of new 'faces' over this whole cycle.
 
 Staging movements
 * hmc5843
   - out of staging.
 * periodic RTC trigger
   - driver dropped.  This is an ancient driver (brings back some memories ;)
   that was always somewhat of a bodge. Originally there was a driver that
   never went into mainline that supported large numbers of periodict timers
   on the PXA270 via this route. Discussions to have a generic periodic
   timer subsystem never went anywhere.  At the time RTC periodic
   interrupts were real - now they are emulated using high resolution
   timers so with the HRT driver this has become pointless.
 
 New device support
 * mpu6050 driver
   - Add support for the mpu6500.
 * TI tpl0102 potentiometer
   - new driver.
 * Vybrid SoC DAC
   - new driver.  The ADC on this SoC has been supported for a while, this
     adds a separate driver for the DAC.
 
 New Features
 * hmc5844
   - Attributes to configure the bias current (typically part of a self test)
     This could be done before via a somewhat obscure custom interface.
     This at least makes it easy to tell what is going on.
   - Document all custom attributes.
 * mpu6050
   - Add support for calibration offset control and readback.
 * ms5611
   - power regulator support.  This is always one that gets added the
     first time someone has a board that needs it.  Here it was needed,
     hence it was added.
 
 Cleanups / minor fixes
 * tree wide
   - clean up all the myriad different return values in response to a
     failure of i2c_check_functionality.  After discussions everyone seemed
     happy wiht -EOPNOTSUPP which seems to describe the situation well.
     I encouraged a tree wide cleanup to set a good example in future for
     this.
 * core
   - Typos in the iio_event_spec documentation in iio.h
 * afe4403
   - select REGMAP_SPI to avoid dependency issues
   - mark suspend/resume as __maybe_unused to avoid warnings
 * afe4404
   - mark suspend/resume as __maybe_unused to avoid warnings
 * atlas-ph-sensor
   - switch the regmap cache type from linear to rbtree to gain reading of
     registers on initial startup.  It's not immediately obvious, but
     regmap flat is meant for high performances cases so doesn't read these
     registers.
   - use regmap_bulk_read in one case where it was using
     i2c_smbus_read_i2c_block_data directly (unlike everything else that was
     through regmap).
 * ina2xx
   - stype cleanups (lots of them!)
 * isl29018
   - Get the struct device back from regmap rather than storing another
     copy of it in the private data.  This cleanup makes sense in a number
     of other drivers so patches may well follow.
 * mpu6050
   - style cleanups (lots of them!)
   - improved return value handling
   - use usleep_range to avoid the usual issues with very short msleeps.
   - add some missing documentation.
 * ms5611
   - use the probed device name for the device rather than the driver name.
   - select IIO_BUFFER to avoid dependency issues
 * palmas
   - drop IRQF_EARLY_RESUME as no longer needed after genirq changes.
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Merge tag 'iio-for-4.6c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

Third set of IIO new device support, features and cleanups for the 4.6 cycle.

Good to see several new contributors in this set - and more generally a
number of new 'faces' over this whole cycle.

Staging movements
* hmc5843
  - out of staging.
* periodic RTC trigger
  - driver dropped.  This is an ancient driver (brings back some memories ;)
  that was always somewhat of a bodge. Originally there was a driver that
  never went into mainline that supported large numbers of periodict timers
  on the PXA270 via this route. Discussions to have a generic periodic
  timer subsystem never went anywhere.  At the time RTC periodic
  interrupts were real - now they are emulated using high resolution
  timers so with the HRT driver this has become pointless.

New device support
* mpu6050 driver
  - Add support for the mpu6500.
* TI tpl0102 potentiometer
  - new driver.
* Vybrid SoC DAC
  - new driver.  The ADC on this SoC has been supported for a while, this
    adds a separate driver for the DAC.

New Features
* hmc5844
  - Attributes to configure the bias current (typically part of a self test)
    This could be done before via a somewhat obscure custom interface.
    This at least makes it easy to tell what is going on.
  - Document all custom attributes.
* mpu6050
  - Add support for calibration offset control and readback.
* ms5611
  - power regulator support.  This is always one that gets added the
    first time someone has a board that needs it.  Here it was needed,
    hence it was added.

Cleanups / minor fixes
* tree wide
  - clean up all the myriad different return values in response to a
    failure of i2c_check_functionality.  After discussions everyone seemed
    happy wiht -EOPNOTSUPP which seems to describe the situation well.
    I encouraged a tree wide cleanup to set a good example in future for
    this.
* core
  - Typos in the iio_event_spec documentation in iio.h
* afe4403
  - select REGMAP_SPI to avoid dependency issues
  - mark suspend/resume as __maybe_unused to avoid warnings
* afe4404
  - mark suspend/resume as __maybe_unused to avoid warnings
* atlas-ph-sensor
  - switch the regmap cache type from linear to rbtree to gain reading of
    registers on initial startup.  It's not immediately obvious, but
    regmap flat is meant for high performances cases so doesn't read these
    registers.
  - use regmap_bulk_read in one case where it was using
    i2c_smbus_read_i2c_block_data directly (unlike everything else that was
    through regmap).
* ina2xx
  - stype cleanups (lots of them!)
* isl29018
  - Get the struct device back from regmap rather than storing another
    copy of it in the private data.  This cleanup makes sense in a number
    of other drivers so patches may well follow.
* mpu6050
  - style cleanups (lots of them!)
  - improved return value handling
  - use usleep_range to avoid the usual issues with very short msleeps.
  - add some missing documentation.
* ms5611
  - use the probed device name for the device rather than the driver name.
  - select IIO_BUFFER to avoid dependency issues
* palmas
  - drop IRQF_EARLY_RESUME as no longer needed after genirq changes.
2016-03-01 16:31:55 -08:00
David S. Miller 7da5ee09f1 With this patchset we finally introduce our new routing protocol:
B.A.T.M.A.N. V. Its implementation started quite some years ago,
 but due to the big changes being introduced it took a while to be
 discussed, designed, worked, re-worked, tested and debugged (well,
 we're never done with the latest). The entire operation has
 basically been a team work involving all the core contributors
 together with other people interested in the project.
 
 The new protocol is divided into two main subcomponents, called
 respectively ELP and OGMv2. The former is in charge of
 dealing with the neighbour discovery and link quality estimation,
 while the latter implements the algorithm that spreads the
 metrics around the network and computes optimal paths.
 
 The biggest change introduced with B.A.T.M.A.N. V is the new
 metric: the protocol won't rely on packet loss anymore, but it
 will use the estimated throughput extracted directly from the
 wifi driver (when available) by querying cfg80211.
 Batman-adv will also send some unicast probing packets when
 an interface is not used for payload traffic to make sure that
 such values are current.
 
 The new protocol can be compiled-in or not like other
 features we have and when selected will pull in CFG80211 as
 dependency for the reason described above.
 
 Thanks to the big work brought up in the past by Marek Lindner,
 batman-adv can easily deal several protocol implementations,
 therefore compiling in this new version does not exclude the
 older.
 This means that the user is offered the option to choose
 the protocol when creating the mesh interface (default is the
 old one to keep backward compatibility).
 
 Along with the protocol there are some sysfs knobs that are
 introduced to fine tune some of its behaviours, but users
 are recommended to keep the default values unless they know
 what they are doing.
 
 The last patch is about advertising our own patchwork platform
 (thanks to Sven Eckelmann for having set that up!) in the
 MAINTAINERS file.
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Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge

Antonio Quartulli says:

====================
batman-adv 20160229

this is our (hopefully) latest batch of patches intended for net-next.

With this patchset we finally introduce B.A.T.M.A.N. V: the latest
version of our routing protocol.
Technical documentation describing the protocol in more detail can
be found in our wiki[1][2][3][4].

For what concerns this pull request, you can find the high level
description right below.

[1] https://www.open-mesh.org/projects/batman-adv/wiki/BATMAN_V
[2] https://www.open-mesh.org/projects/batman-adv/wiki/OGMv2
[3] https://www.open-mesh.org/projects/batman-adv/wiki/ELP
[4] https://www.open-mesh.org/projects/batman-adv/wiki/BATMAN_V_Tests

 ...

With this patchset we finally introduce our new routing protocol:
B.A.T.M.A.N. V. Its implementation started quite some years ago,
but due to the big changes being introduced it took a while to be
discussed, designed, worked, re-worked, tested and debugged (well,
we're never done with the latest). The entire operation has
basically been a team work involving all the core contributors
together with other people interested in the project.

The new protocol is divided into two main subcomponents, called
respectively ELP and OGMv2. The former is in charge of
dealing with the neighbour discovery and link quality estimation,
while the latter implements the algorithm that spreads the
metrics around the network and computes optimal paths.

The biggest change introduced with B.A.T.M.A.N. V is the new
metric: the protocol won't rely on packet loss anymore, but it
will use the estimated throughput extracted directly from the
wifi driver (when available) by querying cfg80211.
Batman-adv will also send some unicast probing packets when
an interface is not used for payload traffic to make sure that
such values are current.

The new protocol can be compiled-in or not like other
features we have and when selected will pull in CFG80211 as
dependency for the reason described above.

Thanks to the big work brought up in the past by Marek Lindner,
batman-adv can easily deal several protocol implementations,
therefore compiling in this new version does not exclude the
older.
This means that the user is offered the option to choose
the protocol when creating the mesh interface (default is the
old one to keep backward compatibility).

Along with the protocol there are some sysfs knobs that are
introduced to fine tune some of its behaviours, but users
are recommended to keep the default values unless they know
what they are doing.

The last patch is about advertising our own patchwork platform
(thanks to Sven Eckelmann for having set that up!) in the
MAINTAINERS file.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01 17:48:00 -05:00
David S. Miller d67703fced Here's another round of updates for -next:
* big A-MSDU RX performance improvement (avoid linearize of paged RX)
  * rfkill changes: cleanups, documentation, platform properties
  * basic PBSS support in cfg80211
  * MU-MIMO action frame processing support
  * BlockAck reordering & duplicate detection offload support
  * various cleanups & little fixes
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Merge tag 'mac80211-next-for-davem-2016-02-26' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
Here's another round of updates for -next:
 * big A-MSDU RX performance improvement (avoid linearize of paged RX)
 * rfkill changes: cleanups, documentation, platform properties
 * basic PBSS support in cfg80211
 * MU-MIMO action frame processing support
 * BlockAck reordering & duplicate detection offload support
 * various cleanups & little fixes
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01 17:03:27 -05:00
Antonio Quartulli 0b5ecc6811 batman-adv: add throughput override attribute to hard_ifaces
This attribute is exported to user space to disable the link
throughput auto-detection by setting a fixed value.
The throughput override value is used when batman-adv is
computing the link throughput towards a neighbour.

If the value is set to 0 then batman-adv will try to detect
the throughput by itself.

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
2016-02-29 16:05:32 +08:00
Linus Luessing 7f136cd491 batman-adv: ELP - adding sysfs parameter for elp interval
This parameter can be set individually on each interface and
allows the configuration of the elp interval for the link
quality measurements during runtime. Usually it is desirable
to set it to a higher (= slower) value on interfaces which
have a more static characteristic (e.g. wired interfaces)
or very dense neighbourhoods to reduce overhead.

Developed by Linus during a 6 months trainee study period in
Ascom (Switzerland) AG.

Signed-off-by: Linus Luessing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
[antonio@open-mesh.com: respin on top of the latest master]
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
2016-02-29 16:05:30 +08:00
Sanchayan Maity 1b983bf42f iio: dac: vf610_dac: Add IIO DAC driver for Vybrid SoC
Add driver support for DAC peripheral on Vybrid SoC.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-02-24 20:52:55 +00:00
João Paulo Rechi Vita 4b636dc659 rfkill: Move "state" sysfs file back to stable
There is still quite a bit of code using this interface, so we can't
just remove it. Hopefully it will be possible in the future, but since
its scheduled removal date is past 2 years already, we are better having
the documentation reflecting the current state of things.

Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24 09:13:11 +01:00
João Paulo Rechi Vita 26b359c85d rfkill: Point to the correct deprecated doc location
The "claim" sysfs interface has been removed, so its documentation now
lives in the "removed" folder.

Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24 09:13:10 +01:00
João Paulo Rechi Vita e2a35e8929 rfkill: Remove obsolete "claim" sysfs interface
This was scheduled to be removed in 2012 by:

 commit 69c86373c6
 Author: florian@mickler.org <florian@mickler.org>
 Date:   Wed Feb 24 12:05:16 2010 +0100

     Document the rfkill sysfs ABI

     This moves sysfs ABI info from Documentation/rfkill.txt to the
     ABI subfolder and reformats it.

     This also schedules the deprecated sysfs parts to be removed in
     2012 (claim file) and 2014 (state file).

     Signed-off-by: Florian Mickler <florian@mickler.org>
     Signed-off-by: John W. Linville <linville@tuxdriver.com>

Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-02-24 09:04:24 +01:00
Shuoran Liu 8f1dbbbbdf f2fs: introduce lifetime write IO statistics
This patch introduces lifetime IO write statistics exposed to the sysfs interface.
The write IO amount is obtained from block layer, accumulated in the file system and
stored in the hot node summary of checkpoint.

Signed-off-by: Shuoran Liu <liushuoran@huawei.com>
Signed-off-by: Pengyang Hou <houpengyang@huawei.com>
[Jaegeuk Kim: add sysfs documentation]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-02-22 16:07:23 -08:00
Chao Yu 2304cb0c44 f2fs: export dirty_nats_ratio in sysfs
This patch exports a new sysfs entry 'dirty_nat_ratio' to control threshold
of dirty nat entries, if current ratio exceeds configured threshold,
checkpoint will be triggered in f2fs_balance_fs_bg for flushing dirty nats.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-02-22 16:07:23 -08:00
Greg Kroah-Hartman bb27d4998a Merge char-misc-next into staging-next
This resolves the merge issues and confusions people were having with
the goldfish drivers due to changes for them showing up in two different
trees.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-22 14:46:24 -08:00
Cristina Moraru 7b7a1c38d1 iio: hmc5843: Add ABI documentation file for hmc5843
Add ABI file documenting hmc5843 non-standard attributes
meas_conf and meas_conf_available for bias current
configuration.

Signed-off-by: Cristina Moraru <cristina.moraru09@gmail.com>
Cc: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-02-21 20:22:23 +00:00
Mimi Zohar d9ddf077bb ima: support for kexec image and initramfs
Add IMA policy support for measuring/appraising the kexec image and
initramfs. Two new IMA policy identifiers KEXEC_KERNEL_CHECK and
KEXEC_INITRAMFS_CHECK are defined.

Example policy rules:
measure func=KEXEC_KERNEL_CHECK
appraise func=KEXEC_KERNEL_CHECK appraise_type=imasig
measure func=KEXEC_INITRAMFS_CHECK
appraise func=KEXEC_INITRAMFS_CHECK appraise_type=imasig

Moving the enumeration to the vfs layer simplified the patches, allowing
the IMA changes, for the most part, to be separated from the other
changes.  Unfortunately, passing either a kernel_read_file_id or a
ima_hooks enumeration within IMA is messy.

Option 1: duplicate kernel_read_file enumeration in ima_hooks

enum kernel_read_file_id {
	...
        READING_KEXEC_IMAGE,
        READING_KEXEC_INITRAMFS,
        READING_MAX_ID

enum ima_hooks {
	...
	KEXEC_KERNEL_CHECK
	KEXEC_INITRAMFS_CHECK

Option 2: define ima_hooks as extension of kernel_read_file
eg: enum ima_hooks {
        FILE_CHECK = READING_MAX_ID,
        MMAP_CHECK,

In order to pass both kernel_read_file_id and ima_hooks values, we
would need to specify a struct containing a union.

struct caller_id {
        union {
                enum ima_hooks func_id;
                enum kernel_read_file_id read_id;
        };
};

Option 3: incorportate the ima_hooks enumeration into kernel_read_file_id,
perhaps changing the enumeration name.

For now, duplicate the new READING_KEXEC_IMAGE/INITRAMFS in the ima_hooks.

Changelog v4:
- replaced switch statement with a kernel_read_file_id to an ima_hooks
id mapping array - Dmitry
- renamed ima_hook tokens KEXEC_CHECK and INITRAMFS_CHECK to
KEXEC_KERNEL_CHECK and KEXEC_INITRAMFS_CHECK respectively - Dave Young

Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Acked-by: Petko Manolov <petkan@mip-labs.com>
Acked-by: Dmitry Kasatkin <dmitry.kasatkin@huawei.com>
Cc: Dave Young <dyoung@redhat.com>
2016-02-21 09:06:16 -05:00
Wolfram Sang 50a5ba8769 i2c: mux: demux-pinctrl: add driver
This driver allows an I2C bus to switch between multiple masters. This
is not hot-switching because connected I2C slaves will be
re-instantiated. It is meant to select the best I2C core at runtime once
the task is known. Example: Prefer i2c-gpio over another I2C core
because of HW errata affecting your use case.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-02-12 19:16:04 +01:00
Gabriel Somlo 246c46ebae firmware: create directory hierarchy for sysfs fw_cfg entries
Each fw_cfg entry of type "file" has an associated 56-char,
nul-terminated ASCII string which represents its name. While
the fw_cfg device doesn't itself impose any specific naming
convention, QEMU developers have traditionally used path name
semantics (i.e. "etc/acpi/rsdp") to descriptively name the
various fw_cfg "blobs" passed into the guest.

This patch attempts, on a best effort basis, to create a
directory hierarchy representing the content of fw_cfg file
names, under /sys/firmware/qemu_fw_cfg/by_name.

Upon successful creation of all directories representing the
"dirname" portion of a fw_cfg file, a symlink will be created
to represent the "basename", pointing at the appropriate
/sys/firmware/qemu_fw_cfg/by_key entry. If a file name is not
suitable for this procedure (e.g., if its basename or dirname
components collide with an already existing dirname component
or basename, respectively) the corresponding fw_cfg blob is
skipped and will remain available in sysfs only by its selector
key value.

Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-09 17:37:39 -08:00
Gabriel Somlo 75f3e8e47f firmware: introduce sysfs driver for QEMU's fw_cfg device
Make fw_cfg entries of type "file" available via sysfs. Entries
are listed under /sys/firmware/qemu_fw_cfg/by_key, in folders
named after each entry's selector key. Filename, selector value,
and size read-only attributes are included for each entry. Also,
a "raw" attribute allows retrieval of the full binary content of
each entry.

The fw_cfg device can be instantiated automatically from ACPI or
the Device Tree, or manually by using a kernel module (or command
line) parameter, with a syntax outlined in the documentation file.

Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-09 17:37:39 -08:00
Linus Walleij fe95046e96 gpio: ABI: mark the sysfs ABI as obsolete
This marks the (optional) sysfs GPIO ABI as obsolete and schedules
it for removal in 2020.

Cc: Johan Hovold <johan@kernel.org>
Cc: Michael Welling <mwelling@ieee.org>
Cc: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-09 11:09:55 +01:00
Linus Walleij 40c159b776 gpio: add a userspace character device ABI
Put in some documentation for the new character device ABI
so we can properly etch it in stone.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-09 11:09:52 +01:00
Marc Andre 8d144c9608 iio:ad5064: Add support for ltc2617 and similar devices
The Linear Technology LTC2606, LTC2607, LTC2609, LTC2616, LTC2617,
LTC2619, LTC2626, LTC2627 and LTC2629 devices are very similar
to the AD5064 device.

This patch adds support for those devices.

Datasheet for LTC devices:
LTC2606, LTC2616, LTC2626: http://www.linear.com/docs/6398
LTC2607, LTC2617, LTC2627: http://www.linear.com/docs/8977
LTC2709, LTC2619, LTC2629: http://www.linear.com/docs/8477

Signed-off-by: Marc Andre <marc.andre@netline.ch>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-02-08 18:38:58 +00:00
K. Y. Srinivasan 7047f17d70 Drivers: hv: vmbus: Add vendor and device atttributes
Add vendor and device attributes to VMBUS devices. These will be used
by Hyper-V tools as well user-level RDMA libraries that will use the
vendor/device tuple to discover the RDMA device.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07 21:32:57 -08:00
Andrew F. Davis 87aec56e27 iio: health: Add driver for the TI AFE4404 heart monitor
Add driver for the TI AFE4404 heart rate monitor and pulse oximeter.
This device detects reflected LED light fluctuations and presents an ADC
value to the user space for further signal processing.

Datasheet: http://www.ti.com/product/AFE4404/datasheet

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-02-06 18:57:09 +00:00
Greg Kroah-Hartman fec2f3335c First round of new IIO device support, features and cleanups for the 4.6 cycle.
Device Support
 * ad5761
   - new driver
 * at91_sama5d2 ADC.
   - new driver and MAINTAINERS entry.
   - minor cleanups followed.
 * atlas pH-SM
   - new driver (this has possibly the prettiest data sheet I've ever seen)
 * mcp3422
   - mcp3425 ADC added.
 * mcp4725
   - mcp4726 DAC added.
 * mma8452
   - mma8451q accelerometer added.
 * mpl115
   - mpl115a1 added (a lot bigger than it seems as this is an SPI part whereas
     previous parts were i2c).
 * si7005
   - Hoperf th02 (seems to be a repackaged part)
 * si7020
   - Hoperf th06 (seems to be a repackaged part)
 
 New features
 * Core
   - IIO_PH type. Does what it says on the tin.
 * max30100
   - LED current configuration support.
 * mcp320x
   - more differential measurement combinations.
 * mma8452
   - free fall deteciton
 - opt3001
   - enable operation without a IRQ line.
   - device tree docs.  Somehow the original docs have disappeared down
     a rabbit hole, so here is a new set.
 * st-sensors
   - Support active-low interrupts.
 
 Cleanups and minor / not so minor reworks
 * Documentation
   - drop some defunct ABI from the docs in staging.
 * presure / Kconfig
   - white space cleanup.
 * ad7150
   - BIT macro usage
   - Alignment fixes
 * ad7192
   - false indent fixed.
 * ak8975
   - constify the ak_def structures
 * axp288
   - drop a redundant double const.
 * dht11
   - substantial reliability improvements by being more tolerant
     of missing start bits.
   - simplify the decoding algorithm
 * mma8452
   - whitespace cleanup
 * mpl115
   - don't bother setting i2c_client_data as nothing uses it.
 * mpu6050
   - drop unused function parameter.
 * opt3001
   - extract integration time as constants.
   - trivial refactoring.
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Merge tag 'iio-for-4.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First round of new IIO device support, features and cleanups for the 4.6 cycle.

Device Support
* ad5761
  - new driver
* at91_sama5d2 ADC.
  - new driver and MAINTAINERS entry.
  - minor cleanups followed.
* atlas pH-SM
  - new driver (this has possibly the prettiest data sheet I've ever seen)
* mcp3422
  - mcp3425 ADC added.
* mcp4725
  - mcp4726 DAC added.
* mma8452
  - mma8451q accelerometer added.
* mpl115
  - mpl115a1 added (a lot bigger than it seems as this is an SPI part whereas
    previous parts were i2c).
* si7005
  - Hoperf th02 (seems to be a repackaged part)
* si7020
  - Hoperf th06 (seems to be a repackaged part)

New features
* Core
  - IIO_PH type. Does what it says on the tin.
* max30100
  - LED current configuration support.
* mcp320x
  - more differential measurement combinations.
* mma8452
  - free fall deteciton
- opt3001
  - enable operation without a IRQ line.
  - device tree docs.  Somehow the original docs have disappeared down
    a rabbit hole, so here is a new set.
* st-sensors
  - Support active-low interrupts.

Cleanups and minor / not so minor reworks
* Documentation
  - drop some defunct ABI from the docs in staging.
* presure / Kconfig
  - white space cleanup.
* ad7150
  - BIT macro usage
  - Alignment fixes
* ad7192
  - false indent fixed.
* ak8975
  - constify the ak_def structures
* axp288
  - drop a redundant double const.
* dht11
  - substantial reliability improvements by being more tolerant
    of missing start bits.
  - simplify the decoding algorithm
* mma8452
  - whitespace cleanup
* mpl115
  - don't bother setting i2c_client_data as nothing uses it.
* mpu6050
  - drop unused function parameter.
* opt3001
  - extract integration time as constants.
  - trivial refactoring.
2016-02-01 13:10:03 -08:00
Matt Ranostay ecb3a7ccc6 iio: ph: add IIO_PH channel type
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-01-30 16:27:17 +00:00
Linus Torvalds 048ccca8c1 Initial roundup of 4.5 merge window patches
- Remove usage of ib_query_device and instead store attributes in
   ib_device struct
 - Move iopoll out of block and into lib, rename to irqpoll, and use
   in several places in the rdma stack as our new completion queue
   polling library mechanism.  Update the other block drivers that
   already used iopoll to use the new mechanism too.
 - Replace the per-entry GID table locks with a single GID table lock
 - IPoIB multicast cleanup
 - Cleanups to the IB MR facility
 - Add support for 64bit extended IB counters
 - Fix for netlink oops while parsing RDMA nl messages
 - RoCEv2 support for the core IB code
 - mlx4 RoCEv2 support
 - mlx5 RoCEv2 support
 - Cross Channel support for mlx5
 - Timestamp support for mlx5
 - Atomic support for mlx5
 - Raw QP support for mlx5
 - MAINTAINERS update for mlx4/mlx5
 - Misc ocrdma, qib, nes, usNIC, cxgb3, cxgb4, mlx4, mlx5 updates
 - Add support for remote invalidate to the iSER driver (pushed through the
   RDMA tree due to dependencies, acknowledged by nab)
 - Update to NFSoRDMA (pushed through the RDMA tree due to dependencies,
   acknowledged by Bruce)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma updates from Doug Ledford:
 "Initial roundup of 4.5 merge window patches

   - Remove usage of ib_query_device and instead store attributes in
     ib_device struct

   - Move iopoll out of block and into lib, rename to irqpoll, and use
     in several places in the rdma stack as our new completion queue
     polling library mechanism.  Update the other block drivers that
     already used iopoll to use the new mechanism too.

   - Replace the per-entry GID table locks with a single GID table lock

   - IPoIB multicast cleanup

   - Cleanups to the IB MR facility

   - Add support for 64bit extended IB counters

   - Fix for netlink oops while parsing RDMA nl messages

   - RoCEv2 support for the core IB code

   - mlx4 RoCEv2 support

   - mlx5 RoCEv2 support

   - Cross Channel support for mlx5

   - Timestamp support for mlx5

   - Atomic support for mlx5

   - Raw QP support for mlx5

   - MAINTAINERS update for mlx4/mlx5

   - Misc ocrdma, qib, nes, usNIC, cxgb3, cxgb4, mlx4, mlx5 updates

   - Add support for remote invalidate to the iSER driver (pushed
     through the RDMA tree due to dependencies, acknowledged by nab)

   - Update to NFSoRDMA (pushed through the RDMA tree due to
     dependencies, acknowledged by Bruce)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (169 commits)
  IB/mlx5: Unify CQ create flags check
  IB/mlx5: Expose Raw Packet QP to user space consumers
  {IB, net}/mlx5: Move the modify QP operation table to mlx5_ib
  IB/mlx5: Support setting Ethernet priority for Raw Packet QPs
  IB/mlx5: Add Raw Packet QP query functionality
  IB/mlx5: Add create and destroy functionality for Raw Packet QP
  IB/mlx5: Refactor mlx5_ib_qp to accommodate other QP types
  IB/mlx5: Allocate a Transport Domain for each ucontext
  net/mlx5_core: Warn on unsupported events of QP/RQ/SQ
  net/mlx5_core: Add RQ and SQ event handling
  net/mlx5_core: Export transport objects
  IB/mlx5: Expose CQE version to user-space
  IB/mlx5: Add CQE version 1 support to user QPs and SRQs
  IB/mlx5: Fix data validation in mlx5_ib_alloc_ucontext
  IB/sa: Fix netlink local service GFP crash
  IB/srpt: Remove redundant wc array
  IB/qib: Improve ipoib UD performance
  IB/mlx4: Advertise RoCE v2 support
  IB/mlx4: Create and use another QP1 for RoCEv2
  IB/mlx4: Enable send of RoCE QP1 packets with IP/UDP headers
  ...
2016-01-23 18:45:06 -08:00
Linus Torvalds 71e4634e00 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "The highlights this round include:

   - Introduce configfs support for unlocked configfs_depend_item()
     (krzysztof + andrezej)
   - Conversion of usb-gadget target driver to new function registration
     interface (andrzej + sebastian)
   - Enable qla2xxx FC target mode support for Extended Logins (himansu +
     giridhar)
   - Enable qla2xxx FC target mode support for Exchange Offload (himansu +
     giridhar)
   - Add qla2xxx FC target mode irq affinity notification + selective
     command queuing.  (quinn + himanshu)
   - Fix iscsi-target deadlock in se_node_acl configfs deletion (sagi +
     nab)
   - Convert se_node_acl configfs deletion + se_node_acl->queue_depth to
     proper se_session->sess_kref + target_get_session() usage.  (hch +
     sagi + nab)
   - Fix long-standing race between se_node_acl->acl_kref get and
     get_initiator_node_acl() lookup.  (hch + nab)
   - Fix target/user block-size handling, and make sure netlink reaches
     all network namespaces (sheng + andy)

  Note there is an outstanding bug-fix series for remote I_T nexus port
  TMR LUN_RESET has been posted and still being tested, and will likely
  become post -rc1 material at this point"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (56 commits)
  scsi: qla2xxxx: avoid type mismatch in comparison
  target/user: Make sure netlink would reach all network namespaces
  target: Obtain se_node_acl->acl_kref during get_initiator_node_acl
  target: Convert ACL change queue_depth se_session reference usage
  iscsi-target: Fix potential dead-lock during node acl delete
  ib_srpt: Convert acl lookup to modern get_initiator_node_acl usage
  tcm_fc: Convert acl lookup to modern get_initiator_node_acl usage
  tcm_fc: Wait for command completion before freeing a session
  target: Fix a memory leak in target_dev_lba_map_store()
  target: Support aborting tasks with a 64-bit tag
  usb/gadget: Remove set-but-not-used variables
  target: Remove an unused variable
  target: Fix indentation in target_core_configfs.c
  target/user: Allow user to set block size before enabling device
  iser-target: Fix non negative ERR_PTR isert_device_get usage
  target/fcoe: Add tag support to tcm_fc
  qla2xxx: Check for online flag instead of active reset when transmitting responses
  qla2xxx: Set all queues to 4k
  qla2xxx: Disable ZIO at start time.
  qla2xxx: Move atioq to a different lock to reduce lock contention
  ...
2016-01-20 17:20:53 -08:00
Linus Torvalds 6606b342fe Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
 "This adds following items:

   - watchdog restart handler support
   - watchdog reboot notifier support
   - watchdog sysfs attributes
   - support for the following new devices: AMD Mullins platform, AMD
     Carrizo platform, meson8b SoC, CSRatlas7, TS-4800, Alphascale
     asm9260-wdt, Zodiac, Sigma Designs SMP86xx/SMP87xx
   - Changes in refcounting for the watchdog core
   - watchdog core improvements
   - and small fixes"

* git://www.linux-watchdog.org/linux-watchdog: (60 commits)
  watchdog: asm9260: remove __init and __exit annotations
  watchdog: Drop pointer to watchdog device from struct watchdog_device
  watchdog: ziirave: Use watchdog infrastructure to create sysfs attributes
  watchdog: Add support for creating driver specific sysfs attributes
  watchdog: kill unref/ref ops
  watchdog: stmp3xxx: Remove unused variables
  watchdog: add MT7621 watchdog support
  hwmon: (sch56xx) Drop watchdog driver data reference count callbacks
  watchdog: da9055_wdt: Drop reference counting
  watchdog: da9052_wdt: Drop reference counting
  watchdog: Separate and maintain variables based on variable lifetime
  watchdog: diag288: Stop re-using watchdog core internal flags
  watchdog: Create watchdog device in watchdog_dev.c
  watchdog: qcom-wdt: Do not set 'dev' in struct watchdog_device
  watchdog: mena21: Do not use device pointer from struct watchdog_device
  watchdog: gpio: Do not use device pointer from struct watchdog_device
  watchdog: tangox: Print info message using pointer to platform device
  watchdog: bcm2835_wdt: Drop log message if watchdog is stopped
  devicetree: watchdog: add binding for Sigma Designs SMP8642 watchdog
  watchdog: add support for Sigma Designs SMP86xx/SMP87xx
  ...
2016-01-17 12:15:38 -08:00
Linus Torvalds 7d1fc01afc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  floppy: make local variable non-static
  exynos: fixes an incorrect header guard
  dt-bindings: fixes some incorrect header guards
  cpufreq-dt: correct dead link in documentation
  cpufreq: ARM big LITTLE: correct dead link in documentation
  treewide: Fix typos in printk
  Documentation: filesystem: Fix typo in fs/eventfd.c
  fs/super.c: use && instead of & for warn_on condition
  Documentation: fix sysfs-ptp
  lib: scatterlist: fix Kconfig description
2016-01-14 17:04:19 -08:00
Linus Torvalds 0f0836b7eb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching updates from Jiri Kosina:

 - RO/NX attribute fixes for patch module relocations from Josh
   Poimboeuf.  As part of this effort, module.c has been cleaned up as
   well and livepatching is piggy-backing on this cleanup.  Rusty is OK
   with this whole lot going through livepatching tree.

 - symbol disambiguation support from Chris J Arges.  That series is
   also

        Reviewed-by: Miroslav Benes <mbenes@suse.cz>

   but this came in only after I've alredy pushed out.  Didn't want to
   rebase because of that, hence I am mentioning it here.

 - symbol lookup fix from Miroslav Benes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
  livepatch: Cleanup module page permission changes
  module: keep percpu symbols in module's symtab
  module: clean up RO/NX handling.
  module: use a structure to encapsulate layout.
  gcov: use within_module() helper.
  module: Use the same logic for setting and unsetting RO/NX
  livepatch: function,sympos scheme in livepatch sysfs directory
  livepatch: add sympos as disambiguator field to klp_reloc
  livepatch: add old_sympos as disambiguator field to klp_func
2016-01-14 16:38:02 -08:00
Linus Torvalds f9a03ae123 Merge tag 'for-f2fs-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
 "This series adds two ioctls to control cached data and fragmented
  files.  Most of the rest fixes missing error cases and bugs that we
  have not covered so far.  Summary:

  Enhancements:
   - support an ioctl to execute online file defragmentation
   - support an ioctl to flush cached data
   - speed up shrinking of extent_cache entries
   - handle broken superblock
   - refector dirty inode management infra
   - revisit f2fs_map_blocks to handle more cases
   - reduce global lock coverage
   - add detecting user's idle time

  Major bug fixes:
   - fix data race condition on cached nat entries
   - fix error cases of volatile and atomic writes"

* tag 'for-f2fs-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (87 commits)
  f2fs: should unset atomic flag after successful commit
  f2fs: fix wrong memory condition check
  f2fs: monitor the number of background checkpoint
  f2fs: detect idle time depending on user behavior
  f2fs: introduce time and interval facility
  f2fs: skip releasing nodes in chindless extent tree
  f2fs: use atomic type for node count in extent tree
  f2fs: recognize encrypted data in f2fs_fiemap
  f2fs: clean up f2fs_balance_fs
  f2fs: remove redundant calls
  f2fs: avoid unnecessary f2fs_balance_fs calls
  f2fs: check the page status filled from disk
  f2fs: introduce __get_node_page to reuse common code
  f2fs: check node id earily when readaheading node page
  f2fs: read isize while holding i_mutex in fiemap
  Revert "f2fs: check the node block address of newly allocated nid"
  f2fs: cover more area with nat_tree_lock
  f2fs: introduce max_file_blocks in sbi
  f2fs crypto: check CONFIG_F2FS_FS_XATTR for encrypted symlink
  f2fs: introduce zombie list for fast shrinking extent trees
  ...
2016-01-13 21:01:44 -08:00
Linus Torvalds 39272dde8f Staging patches for 4.5-rc1
Here is the big staging driver pull request for 4.5-rc1.  Lots of
 cleanups and fixes here, not as many as some releases, but 800+ isn't
 that bad.  Full details in the shortlog.  All of these have been in
 linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big staging driver pull request for 4.5-rc1.

  Lots of cleanups and fixes here, not as many as some releases, but
  800+ isn't that bad.  Full details in the shortlog.  All of these have
  been in linux-next for a while"

* tag 'staging-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (843 commits)
  Revert "arm64: dts: Add dts files to enable ION on Hi6220 SoC."
  staging: gdm724x: constify tty_port_operations structs
  staging: gdm72xx: add userspace data struct
  staging: gdm72xx: Replace timeval with ktime_t
  iio: adc: ina2xx: Fix incorrect report of data endianness to userspace.
  iio: light: us5182d: Refactor read_raw function
  iio: light: us5182d: Add interrupt support and events
  iio: light: us5182d: Fix enable status inconcistency
  iio: Make IIO value formating function globally available.
  staging: emxx_udc: use list_first_entry_or_null()
  staging/emxx_udc: fix 64-bit warnings
  STAGING: COMEDI: Using kernel types in plx9080.h
  STAGING: COMEDI: Added spaces around binary operators in plx9080.h
  STAGING: COMEDI: Fixed format of comments in plx9080.h
  staging: comedi: comedilib.h: Coding style warning fix for block comments
  staging: comedi: s526: add macros for counter control reg values
  staging: comedi: s526: replace counter mode bitfield struct
  staging: comedi: check for more errors for zero-length write
  staging: comedi: simplify returned errors for comedi_write()
  staging: comedi: return error on "write" if no command set up
  ...
2016-01-13 10:13:36 -08:00
Linus Torvalds 237f38c3b3 USB patches for 4.5-rc1
Here is the big USB drivers update for 4.5-rc1.  Lots of gadget driver
 updates and fixes, like usual, and a mix of other USB driver updates as
 well.  Full details in the shortlog.  All of these have been in
 linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here is the big USB drivers update for 4.5-rc1.

  Lots of gadget driver updates and fixes, like usual, and a mix of
  other USB driver updates as well.  Full details in the shortlog.  All
  of these have been in linux-next for a while"

* tag 'usb-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (191 commits)
  MAINTAINERS: change my email address
  USB: usbmon: remove assignment from IS_ERR argument
  USB: mxu11x0: drop redundant function name from error messages
  USB: mxu11x0: fix debug-message typos
  USB: mxu11x0: rename usb-serial driver
  USB: mxu11x0: fix modem-control handling on B0-transitions
  USB: mxu11x0: fix memory leak on firmware download
  USB: mxu11x0: fix memory leak in port-probe error path
  USB: serial: add Moxa UPORT 11x0 driver
  USB: cp210x: add ID for ELV Marble Sound Board 1
  usb: chipidea: otg: use usb autosuspend to suspend bus for HNP
  usb: chipidea: host: set host to be null after hcd is freed
  usb: chipidea: removing of_find_property
  usb: chipidea: implement platform shutdown callback
  usb: chipidea: clean up CONFIG_USB_CHIPIDEA_DEBUG reference
  usb: chipidea: delete static debug support
  usb: chipidea: support debugfs without CONFIG_USB_CHIPIDEA_DEBUG
  usb: chipidea: udc: improve error handling on _hardware_enqueue
  usb: chipidea: udc: _ep_queue and _hw_queue cleanup
  usb: dwc3: of-simple: fix build warning on !PM
  ...
2016-01-13 09:26:40 -08:00
Jaegeuk Kim d0239e1bf5 f2fs: detect idle time depending on user behavior
This patch adds last time that user requested filesystem operations.
This information is used to detect whether system is idle or not later.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-01-11 15:56:37 -08:00
Akinobu Mita 35f739679a iio: dac: mcp4725: Add basic support for MCP4726
MCP4726 is a single channel 12-bit DAC.  We can support MCP4726 with
a little changes to mcp4725 driver.  In power-down mode, they have
different selection of VOUT pull-down registers.

MCP4726 also has features:
 - Output gain options: 1x, 2x
 - Voltage reference selection: VDD, VREF (Unbuffered or Buffered)

But these are not supported in this change. (1x gain, VDD is selected)

datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/22272C.pdf

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: linux-iio@vger.kernel.org
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-01-03 17:42:59 +00:00
Pratyush Anand 33b711269a watchdog: Read device status through sysfs attributes
This patch adds following attributes to watchdog device's sysfs interface
to read its different status.

* state - reads whether device is active or not
* identity - reads Watchdog device's identity string.
* timeout - reads current timeout.
* timeleft - reads timeleft before watchdog generates a reset
* bootstatus - reads status of the watchdog device at boot
* status - reads watchdog device's  internal status bits
* nowayout - reads whether nowayout feature was set or not

Testing with iTCO_wdt:
 # cd /sys/class/watchdog/watchdog1/
 # ls
bootstatus  dev  device  identity  nowayout  power  state
subsystem  timeleft  timeout  uevent
 # cat identity
iTCO_wdt
 # cat timeout
30
 # cat state
inactive
 # echo > /dev/watchdog1
 # cat timeleft
26
 # cat state
active
 # cat bootstatus
0
 # cat nowayout
0

Signed-off-by: Pratyush Anand <panand@redhat.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-12-27 16:55:57 +01:00
Greg Kroah-Hartman 87cf5586fd usb: patches for v4.5
A ton of improvements to dwc2 have been made. The
 driver should be a lot more stable on v4.5 then ever
 before.
 
 Our good old dwc3 got a few cleanups and misc fixes
 and also added support to Xilinx's integration of
 this IP.
 
 Yoshihiro Shimoda gives us support for a new USB3
 peripheral controller from Renesas.
 
 Other than these, the usual misc fixes all over the
 place.
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Merge tag 'usb-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: patches for v4.5

A ton of improvements to dwc2 have been made. The
driver should be a lot more stable on v4.5 then ever
before.

Our good old dwc3 got a few cleanups and misc fixes
and also added support to Xilinx's integration of
this IP.

Yoshihiro Shimoda gives us support for a new USB3
peripheral controller from Renesas.

Other than these, the usual misc fixes all over the
place.
2015-12-26 16:56:25 -08:00
Matan Barak 045959db65 IB/cma: Add configfs for rdma_cm
Users would like to control the behaviour of rdma_cm.
For example, old applications which don't set the
required RoCE gid type could be executed on RoCE V2
network types. In order to support this configuration,
we implement a configfs for rdma_cm.

In order to use the configfs, one needs to mount it and
mkdir <IB device name> inside rdma_cm directory.

The patch adds support for a single configuration file,
default_roce_mode. The mode can either be "IB/RoCE v1" or
"RoCE v2".

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-12-23 10:39:52 -05:00
Matan Barak 470be516a2 IB/core: Add gid attributes to sysfs
This patch set adds attributes of net device and gid type to each GID
in the GID table. Users that use verbs directly need to specify
the GID index. Since the same GID could have different types or
associated net devices, users should have the ability to query the
associated GID attributes. Adding these attributes to sysfs.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-12-23 10:35:11 -05:00
Andrzej Pietrasiewicz 4bb8548df6 usb: gadget: f_tcm: add configfs support
Allow using the tcm function as a component of a gadget composed with
ConfigFS.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-12-20 19:40:45 -08:00
Marc Titinger 6e17c98a00 iio: ina2xx: add ABI documentation entry sysfs-bus-iio-ina2xx-adc
Documentation for attributes:

 * in_allow_async_readout
 * in_shunt_resistor

Signed-off-by: Marc Titinger <mtitinger@baylibre.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-12-19 15:08:00 +00:00
Antonio Quartulli 030ee5f648 Doc: update email address
My personal email address has changed. Update it in the doc files

Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
2015-12-16 00:21:40 +08:00
Peter Chen 4405a2ced5 Doc: ABI: configfs-usb-gadget-sourcesink: add two entries for depth of queue
Add both bulk and iso depth of queue entries.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-12-15 09:12:41 -06:00
Chris Dunlop d83e2a4ea2 Documentation: fix sysfs-ptp
s/avaiable/available/g

This fixup is already in scripts/spelling.txt.

The fix in Documentation/ABI/testing/sysfs-ptp affects documentation of
a /sys entry: the /sys entry itself is correct.

Signed-off-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-12-08 14:50:12 +01:00
Bjørn Mork 404814af69 net: cdc_ncm: add "ndp_to_end" sysfs attribute
Adding a writable sysfs attribute for the "NDP to end"
quirk flag.

This makes it easier for end users to test new devices for
this firmware bug.  We've been lucky so far, but we should
not depend on reporters capable of rebuilding the driver.

Cc: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-06 22:52:18 -05:00
Bjørn Mork 40dd0d9486 net: qmi_wwan: document the qmi/raw_ip sysfs file
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-04 16:56:23 -05:00
Chris J Arges 444f9e99a8 livepatch: function,sympos scheme in livepatch sysfs directory
The following directory structure will allow for cases when the same
function name exists in a single object.
	/sys/kernel/livepatch/<patch>/<object>/<function,sympos>

The sympos number corresponds to the nth occurrence of the symbol name in
kallsyms for the patched object.

An example of patching multiple symbols can be found here:
	https://github.com/dynup/kpatch/issues/493

Signed-off-by: Chris J Arges <chris.j.arges@canonical.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-12-03 23:01:27 +01:00
Daniel Baluta 4c3e2a4036 iio: Documentation: Add IIO configfs documentation
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Acked-by: Crt Mori <cmo@melexis.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-12-03 18:19:28 +00:00
Lu Baolu 513072d90a usb: core: lpm: add sysfs node for usb3 lpm permit
USB3 LPM is default on in Linux kernel if both xHCI host controller
and the USB devices declare to be LPM-capable. Unfortunately, some
devices are known to work well with LPM disabled, but to be broken
if LPM is enabled, although it declares the LPM capability.  Users
won't be able to use this kind of devices, until someone puts them
in the kernel blacklist and gets the kernel upgraded.

This patch adds a sysfs node to permit or forbit USB3 LPM U1 or U2
entry for a port. The settings apply to both before and after device
enumeration. Supported values are "0" - neither u1 nor u2 permitted,
"u1" - only u1 is permitted, "u2" - only u2 is permitted, "u1_u2" -
both u1 and u2 are permitted. With this interface, users can use an
LPM-unfriendly USB device on a released Linux kernel.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Zhuang Jin Can <jin.can.zhuang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01 14:58:18 -08:00
Lu Baolu bf5ce5bf3c usb: core: lpm: fix usb3_hardware_lpm sysfs node
Commit 655fe4effe ("usbcore: add sysfs support to xHCI usb3
hardware LPM") introduced usb3_hardware_lpm sysfs node. This
doesn't show the correct status of USB3 U1 and U2 LPM status.

This patch fixes this by replacing usb3_hardware_lpm with two
nodes, usb3_hardware_lpm_u1 (for U1) and usb3_hardware_lpm_u2
(for U2), and recording the U1/U2 LPM status in right places.

This patch should be back-ported to kernels as old as 4.3,
that contains Commit 655fe4effe ("usbcore: add sysfs support
to xHCI usb3 hardware LPM").

Cc: stable@vger.kernel.org
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01 14:58:18 -08:00
Mike Marshall a52079dad4 Linux 4.4-rc1
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Orangefs: Merge tag 'v4.4-rc1' into for-next

Linux 4.4-rc1
2015-11-16 10:58:57 -05:00
Linus Torvalds d83763f4a6 SCSI misc on 20151113
Sorry for the delay in this patch which was mostly caused by getting the
 merger of the mpt2/mpt3sas driver, which was seen as an essential item of
 maintenance work to do before the drivers diverge too much.  Unfortunately,
 this caused a compile failure (detected by linux-next), which then had to be
 fixed up and incubated.  In addition to the mpt2/3sas rework, there are
 updates from pm80xx, lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc
 and ufs plus an assortment of changes including some year 2038 issues, a fix
 for a remove before detach issue in some drivers and a couple of other minor
 issues.
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull final round of SCSI updates from James Bottomley:
 "Sorry for the delay in this patch which was mostly caused by getting
  the merger of the mpt2/mpt3sas driver, which was seen as an essential
  item of maintenance work to do before the drivers diverge too much.
  Unfortunately, this caused a compile failure (detected by linux-next),
  which then had to be fixed up and incubated.

  In addition to the mpt2/3sas rework, there are updates from pm80xx,
  lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc and ufs plus
  an assortment of changes including some year 2038 issues, a fix for a
  remove before detach issue in some drivers and a couple of other minor
  issues"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (141 commits)
  mpt3sas: fix inline markers on non inline function declarations
  sd: Clear PS bit before Mode Select.
  ibmvscsi: set max_lun to 32
  ibmvscsi: display default value for max_id, max_lun and max_channel.
  mptfusion: don't allow negative bytes in kbuf_alloc_2_sgl()
  scsi: pmcraid: replace struct timeval with ktime_get_real_seconds()
  mvumi: 64bit value for seconds_since1970
  be2iscsi: Fix bogus WARN_ON length check
  scsi_scan: don't dump trace when scsi_prep_async_scan() is called twice
  mpt3sas: Bump mpt3sas driver version to 09.102.00.00
  mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs
  mpt2sas, mpt3sas: Update the driver versions
  mpt3sas: setpci reset kernel oops fix
  mpt3sas: Added OEM Gen2 PnP ID branding names
  mpt3sas: Refcount fw_events and fix unsafe list usage
  mpt3sas: Refcount sas_device objects and fix unsafe list usage
  mpt3sas: sysfs attribute to report Backup Rail Monitor Status
  mpt3sas: Ported WarpDrive product SSS6200 support
  mpt3sas: fix for driver fails EEH, recovery from injected pci bus error
  mpt3sas: Manage MSI-X vectors according to HBA device type
  ...
2015-11-13 20:35:54 -08:00
Seymour, Shane M d9b43a10f0 st: allow debug output to be enabled or disabled via sysfs
Change st driver to allow enabling or disabling debug output
via sysfs file /sys/bus/scsi/drivers/st/debug_flag.

Previously the only way to enable debug output was:

1. loading the driver with the module parameter debug_flag=1
2. an ioctl call (this method was also the only way to dynamically
disable debug output).

To use the ioctl you need a second tape drive (if you are
actively testing the first tape drive) since a second process
cannot open the first tape drive if it is in use.

The this change is only functional if the value of the macro
DEBUG in st.c is a non-zero value (which it is by default).

Signed-off-by: Shane Seymour <shane.seymour@hpe.com>
Reviewed-by: Laurence Oberman <oberman.l@gmail.com>
Acked-by: Kai Mäkisara <kai.makisara@kolumbus.fi>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-11-09 17:17:27 -08:00
Linus Torvalds 6f1da317ac Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
 "Highlights:

   - Intel Skylake Win8 precision touchpads support fixes/improvements
     from Mika Westerberg

   - Lenovo Yoga 2 quirk from Ritesh Raj Sarraf

   - potential uninitialized buffer access fix in HID core from Richard
     Purdie

   - Wacom Intuos and Wacom Cintiq 2 support improvements from Jason
     Gerecke and Ping Cheng

   - initiation of sysfs deprecation process for most of the roccat
     drivers, from the roccat support maintiner Stefan Achatz

   - quite a few device ID / quirk additions and small fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits)
  HID: logitech: Add support for G29
  HID: logitech: Simplify wheel detection scheme
  HID: wacom: Call 'wacom_query_tablet_data' only after 'hid_hw_start'
  HID: wacom: Fix ABS_MISC reporting for Cintiq Companion 2
  HID: wacom: Remove useless conditions from 'wacom_query_tablet_data'
  HID: wacom: fix Intuos wireless report id issue
  HID: fix some indenting issues
  HID: wacom: Expect 'touch_max' touches if HID_DG_CONTACTCOUNT not present
  HID: wacom: Tie cached HID_DG_CONTACTCOUNT indices to report ID
  HID: roccat: Fixed resubmit: Deprecating most Roccat sysfs attributes
  HID: wacom: Report full pressure range for Intuos, Cintiq 13HD Touch
  HID: wacom: Add support for Cintiq Companion 2
  HID: multitouch: Fetch feature reports on demand for Win8 devices
  HID: sensor-hub: Add quirk for Lenovo Yoga 2 with ITE Chips
  HID: usbhid: Fix for the WiiU adapter from Mayflash
  HID: corsair: boolify struct k90_led.removed
  HID: corsair: Add Corsair Vengeance K90 driver
  HID: hid-input: allow input_configured callback return errors
  HID: multitouch: Add suffix for HID_DG_TOUCHPAD
  HID: i2c-hid: Fill in physical device providing HID functionality
  ...
2015-11-07 12:49:27 -08:00
Jiri Kosina d64e19db03 Merge branches 'for-4.3/upstream-fixes', 'for-4.4/corsair', 'for-4.4/dragonrise', 'for-4.4/i2c-hid', 'for-4.4/logitech', 'for-4.4/microsoft', 'for-4.4/multitouch', 'for-4.4/roccat-sysfs-deprecation', 'for-4.4/upstream' and 'for-4.4/wacom' into for-linus 2015-11-06 21:45:15 +01:00
Linus Torvalds 5ebe0ee802 There is a nice new document from Neil on how pathname lookups work and
some new CAN driver documentation.  Beyond that, we have kernel-doc fixes,
 a bit more work to support reproducible builds, and the usual collection of
 small fixes.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux

Pull documentation update from Jon Corbet:
 "There is a nice new document from Neil on how pathname lookups work
  and some new CAN driver documentation.  Beyond that, we have
  kernel-doc fixes, a bit more work to support reproducible builds, and
  the usual collection of small fixes"

* tag 'docs-for-linus' of git://git.lwn.net/linux: (34 commits)
  Documentation: add new description of path-name lookup.
  Documentation/vm/slub.txt: document slabinfo-gnuplot.sh
  Doc: ABI/stable: Fix typo in ABI/stable
  doc: Clarify that nmi_watchdog param is for hardlockups
  Typo correction for description in gpio document.
  DocBook: Fix kernel-doc to be case-insensitive for private:
  kernel-docs.txt: update kernelnewbies reference
  Doc:kvm: Fix typo in Doc/virtual/kvm
  Documentation/Changes: Add bc in "Current Minimal Requirements" section
  Documentation/email-clients.txt: remove trailing whitespace
  DocBook: Use a fixed encoding for output
  MAINTAINERS: The docs tree has moved
  Docs/kernel-parameters: Add earlycon devicetree usage
  SubmittingPatches: make Subject examples match the de facto standard
  Documentation: gpio: mention that <function>-gpio has been deprecated
  Documentation: cgroups: just fix a few typos
  Documentation: Update kselftest.txt
  Documentation: DMA API: Be more explicit that nents is always the same
  Documentation: Update the default value of crashkernel low
  zram: update documentation
  ...
2015-11-05 15:59:24 -08:00
Linus Torvalds 1873499e13 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem update from James Morris:
 "This is mostly maintenance updates across the subsystem, with a
  notable update for TPM 2.0, and addition of Jarkko Sakkinen as a
  maintainer of that"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (40 commits)
  apparmor: clarify CRYPTO dependency
  selinux: Use a kmem_cache for allocation struct file_security_struct
  selinux: ioctl_has_perm should be static
  selinux: use sprintf return value
  selinux: use kstrdup() in security_get_bools()
  selinux: use kmemdup in security_sid_to_context_core()
  selinux: remove pointless cast in selinux_inode_setsecurity()
  selinux: introduce security_context_str_to_sid
  selinux: do not check open perm on ftruncate call
  selinux: change CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE default
  KEYS: Merge the type-specific data with the payload data
  KEYS: Provide a script to extract a module signature
  KEYS: Provide a script to extract the sys cert list from a vmlinux file
  keys: Be more consistent in selection of union members used
  certs: add .gitignore to stop git nagging about x509_certificate_list
  KEYS: use kvfree() in add_key
  Smack: limited capability for changing process label
  TPM: remove unnecessary little endian conversion
  vTPM: support little endian guests
  char: Drop owner assignment from i2c_driver
  ...
2015-11-05 15:32:38 -08:00
Linus Torvalds 400c5bd5a5 power supply and reset changes for the v4.4 series
* new AXP20X USB Power driver
  * new Qualcomm SMBB driver
  * new TPS65217 Charger driver
  * BQ24257: add BQ24250/BQ24251 support
  * overhaul bq27x00 battery driver, rename to bq27xxx
  * misc. fixes and cleanups
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Merge tag 'for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 - new AXP20X USB Power driver
 - new Qualcomm SMBB driver
 - new TPS65217 Charger driver
 - BQ24257: add BQ24250/BQ24251 support
 - overhaul bq27x00 battery driver, rename to bq27xxx
 - misc fixes and cleanups

* tag 'for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (54 commits)
  power: bq27xxx_battery: Remove unneeded dependency in Kconfig
  power: bq27xxx_battery: move irq handler to i2c section
  power: bq27xxx_battery: fix platform probe
  twl4030_charger: add missing iio dependency
  power_supply: charger-manager: add missing of_node_put
  Documentation: power: bq24257: Document exported sysfs entries
  power: bq24257: Add various device-specific sysfs properties
  power: bq24257: Allow input current limit sysfs access
  power: bq24257: Add input DPM voltage threshold setting support
  power: bq24257: Add over voltage protection setting support
  power: bq24257: Add SW-based approach for Power Good determination
  power: bq24257: Allow manual setting of input current limit
  power: bq24257: Add bit definition for temp sense enable
  power: bq24257: Add basic support for bq24250/bq24251
  dt: power: bq24257-charger: Cover additional devices
  power: bq24257: Simplify bq24257_power_supply_init()
  power: bq24257: Use managed power supply register
  power: bq24257: Streamline input current limit setup
  power: bq24257: Remove IRQ config through stat-gpios
  power: bq27xxx_battery: fix signedness bug in bq27xxx_battery_read_health()
  ...
2015-11-05 12:28:15 -08:00
Linus Torvalds 0fcb9d21b4 Merge tag 'for-f2fs-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
 "Most part of the patches include enhancing the stability and
  performance of in-memory extent caches feature.

  In addition, it introduces several new features and configurable
  points:
   - F2FS_GOING_DOWN_METAFLUSH ioctl to test power failures
   - F2FS_IOC_WRITE_CHECKPOINT ioctl to trigger checkpoint by users
   - background_gc=sync mount option to do gc synchronously
   - periodic checkpoints
   - sysfs entry to control readahead blocks for free nids

  And the following bug fixes have been merged.
   - fix SSA corruption by collapse/insert_range
   - correct a couple of gc behaviors
   - fix the results of f2fs_map_blocks
   - fix error case handling of volatile/atomic writes"

* tag 'for-f2fs-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (54 commits)
  f2fs: fix to skip shrinking extent nodes
  f2fs: fix error path of ->symlink
  f2fs: fix to clear GCed flag for atomic written page
  f2fs: don't need to submit bio on error case
  f2fs: fix leakage of inmemory atomic pages
  f2fs: refactor __find_rev_next_{zero}_bit
  f2fs: support fiemap for inline_data
  f2fs: flush dirty data for bmap
  f2fs: relocate the tracepoint for background_gc
  f2fs crypto: fix racing of accessing encrypted page among
  f2fs: export ra_nid_pages to sysfs
  f2fs: readahead for free nids building
  f2fs: support lower priority asynchronous readahead in ra_meta_pages
  f2fs: don't tag REQ_META for temporary non-meta pages
  f2fs: add a tracepoint for f2fs_read_data_pages
  f2fs: set GFP_NOFS for grab_cache_page
  f2fs: fix SSA updates resulting in corruption
  Revert "f2fs: do not skip dentry block writes"
  f2fs: add F2FS_GOING_DOWN_METAFLUSH to test power-failure
  f2fs: merge meta writes as many possible
  ...
2015-11-05 11:22:07 -08:00
Stefan Richter 5759139469 firewire: ABI documentation: jujuutils were renamed to linux-firewire-utils
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2015-11-05 14:25:58 +01:00
Linus Torvalds 8e483ed134 char/misc drivers for 4.4-rc1
Here is the big char/misc driver update for 4.4-rc1.  Lots of different
 driver and subsystem updates, hwtracing being the largest with the
 addition of some new platforms that are now supported.  Full details in
 the shortlog.
 
 All of these have been in linux-next for a long time with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the big char/misc driver update for 4.4-rc1.  Lots of
  different driver and subsystem updates, hwtracing being the largest
  with the addition of some new platforms that are now supported.  Full
  details in the shortlog.

  All of these have been in linux-next for a long time with no reported
  issues"

* tag 'char-misc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (181 commits)
  fpga: socfpga: Fix check of return value of devm_request_irq
  lkdtm: fix ACCESS_USERSPACE test
  mcb: Destroy IDA on module unload
  mcb: Do not return zero on error path in mcb_pci_probe()
  mei: bus: set the device name before running fixup
  mei: bus: use correct lock ordering
  mei: Fix debugfs filename in error output
  char: ipmi: ipmi_ssif: Replace timeval with timespec64
  fpga: zynq-fpga: Fix issue with drvdata being overwritten.
  fpga manager: remove unnecessary null pointer checks
  fpga manager: ensure lifetime with of_fpga_mgr_get
  fpga: zynq-fpga: Change fw format to handle bin instead of bit.
  fpga: zynq-fpga: Fix unbalanced clock handling
  misc: sram: partition base address belongs to __iomem space
  coresight: etm3x: adding documentation for sysFS's cpu interface
  vme: 8-bit status/id takes 256 values, not 255
  fpga manager: Adding FPGA Manager support for Xilinx Zynq 7000
  ARM: zynq: dt: Updated devicetree for Zynq 7000 platform.
  ARM: dt: fpga: Added binding docs for Xilinx Zynq FPGA manager.
  ver_linux: proc/modules, limit text processing to 'sed'
  ...
2015-11-04 22:15:15 -08:00
Linus Torvalds 118c216e16 Staging driver update for 4.4-rc1
Here's the big staging driver update for 4.4-rc1.  If you were
 disappointed for 4.3-rc1 that we didn't contribute enough changesets,
 you should be happy with this pull request of over 2400 patches.
 
 But overall we removed more lines of code than we added, which is nice
 to see.  Full details in the shortlog.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here's the big staging driver update for 4.4-rc1.  If you were
  disappointed for 4.3-rc1 that we didn't contribute enough changesets,
  you should be happy with this pull request of over 2400 patches.

  But overall we removed more lines of code than we added, which is nice
  to see.  Full details in the shortlog.

  All of these have been in linux-next for a while"

Greg, I've never been disappointed in how few commits Staging
contributes to the kernel..  Never.

* tag 'staging-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (2431 commits)
  Staging: rtl8192u: ieee80211: added missing blank lines
  Staging: rtl8192u: ieee80211: removed unnecessary braces
  Staging: rtl8192u: ieee80211: corrected block comments
  Staging: rtl8192u: ieee80211: corrected indent
  Staging: rtl8192u: ieee80211: added missing spaces after if
  Staging: rtl8192u: ieee80211: added missing space around '='
  Staging: rtl8192u: ieee80211: fixed position of else statements
  Staging: rtl8192u: ieee80211: fixed open brace positions
  staging: rdma: ipath: Remove unneeded vairable.
  staging: rtl8188eu: pwrGrpCnt variable removed in store_pwrindex_offset function
  staging: rtl8188eu: new variable for hal_data->MCSTxPowerLevelOriginalOffset[pwrGrpCnt] in store_pwrindex_offset function
  staging: rtl8188eu: checkpatch fixes: 'Avoid CamelCase' in hal/bb_cfg.c
  staging: rtl8188eu: checkpatch fixes: line over 80 characters splited into two parts
  staging: rtl8188eu: checkpatch fixes: alignment should match open parenthesis
  staging: rtl8188eu: checkpatch fixes: unnecessary parentheses removed in hal/bb_cfg.c
  staging: rtl8188eu: checkpatch fixes: spaces preferred around that '|' in hal/bb_cfg.c
  staging: rtl8188eu: operator = replaced by += in loop increment
  staging: rtl8188eu: occurrence of the 5 GHz code marked
  staging: rtl8188eu: increment placed into for loop header
  staging: rtl8188eu: while loop replaced by for loop in rtw_restruct_wmm_ie
  ...
2015-11-04 21:40:53 -08:00
Linus Torvalds 3d6f47801c USB patches for 4.4-rc1
Here is the big USB patchset for 4.4-rc1.
 
 As usual, most of the changes are in the gadget subsystem, and we
 removed a host controller for a device that is no longer in existance,
 and probably never was even made public.  There is also other minor
 driver updates and new device ids, full details in the changelog.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here is the big USB patchset for 4.4-rc1.

  As usual, most of the changes are in the gadget subsystem, and we
  removed a host controller for a device that is no longer in existance,
  and probably never was even made public.  There is also other minor
  driver updates and new device ids, full details in the changelog.

  All of these have been in linux-next for a while"

* tag 'usb-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (233 commits)
  USB: core: Codestyle fix in urb.c
  usb: misc: usb3503: Use i2c_add_driver helper macro
  usb: host: lpc32xx: don't unregister phy device
  usb: host: lpc32xx: balance clk enable/disable on removal
  usb: host: lpc32xx: fix warnings caused by enabling unprepared clock
  uwb: drp: Use setup_timer
  uwb: neh: Use setup_timer
  uwb: rsv: Use setup_timer
  USB: qcserial: add Sierra Wireless MC74xx/EM74xx
  usb: chipidea: otg: don't wait vbus drops below BSV when starts host
  chipidea: ci_hdrc_pci: use PCI_VDEVICE() instead of PCI_DEVICE()
  doc: dt-binding: ci-hdrc-usb2: split vendor specific properties
  usb: chipidea: imx: add imx6ul usb support
  doc: dt-binding: ci-hdrc-usb2: improve property description
  usb: chipidea: imx: add usb support for imx7d
  Doc: usb: ci-hdrc-usb2: Add phy-clkgate-delay-us entry
  usb: chipidea: Add support for 'phy-clkgate-delay-us' property
  usb: chipidea: Use extcon framework for VBUS and ID detect
  usb: gadget: net2280: restore ep_cfg after defect7374 workaround
  usb: dwc2: host: Fix use after free w/ simultaneous irqs
  ...
2015-11-04 21:26:27 -08:00
Linus Torvalds 527d1529e3 Merge branch 'for-4.4/integrity' of git://git.kernel.dk/linux-block
Pull block integrity updates from Jens Axboe:
 ""This is the joint work of Dan and Martin, cleaning up and improving
  the support for block data integrity"

* 'for-4.4/integrity' of git://git.kernel.dk/linux-block:
  block, libnvdimm, nvme: provide a built-in blk_integrity nop profile
  block: blk_flush_integrity() for bio-based drivers
  block: move blk_integrity to request_queue
  block: generic request_queue reference counting
  nvme: suspend i/o during runtime blk_integrity_unregister
  md: suspend i/o during runtime blk_integrity_unregister
  md, dm, scsi, nvme, libnvdimm: drop blk_integrity_unregister() at shutdown
  block: Inline blk_integrity in struct gendisk
  block: Export integrity data interval size in sysfs
  block: Reduce the size of struct blk_integrity
  block: Consolidate static integrity profile properties
  block: Move integrity kobject to struct gendisk
2015-11-04 20:51:48 -08:00
Masanari Iida 83432ef3b8 Doc: ABI/stable: Fix typo in ABI/stable
This patch fix some spelling typos in Documentation/ABI/stable.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-02 18:10:33 -07:00
Martin K. Petersen 4c241d08db block: Export integrity data interval size in sysfs
The size of the data interval was not exported in the sysfs integrity
directory. Export it so that userland apps can tell whether the interval
is different from the device's logical block size.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2015-10-21 14:42:41 -06:00
Stefan Achatz 8d2f8479da HID: roccat: Fixed resubmit: Deprecating most Roccat sysfs attributes
Deprecates all Roccat sysfs attributes except the ones for the old Kone by
moving abi descriptions from testing to obsolete.  For most devices everything
can be done using the hidraw ioctls HIDIOCGFEATURE and HIDIOCSFEATURE, so I
would suggest future removal of device specific drivers.  The userspace tools
don't use these attributes for a year now.  The first Kone is not fully
HID-compliant and will still need a module.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-10-21 11:54:42 +02:00
Jarkko Sakkinen b8e98dcdc5 tpm: update PPI documentation to address the location change.
Updated Documentation/ABI/testing/sysfs-driver-ppi in order to explain
where PPI attributes are located and how backwards compatibility is
addressed.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
2015-10-19 01:01:20 +02:00
Mathieu Poirier d0eaa0c2fe coresight: etm3x: adding documentation for sysFS's cpu interface
Supplementing ABI documentation with a description of the newly
added interface.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 22:03:00 -07:00
Chao Yu ea1a29a0bd f2fs: export ra_nid_pages to sysfs
After finishing building free nid cache, we will try to readahead
asynchronously 4 more pages for the next reloading, the count of
readahead nid pages is fixed.

In some case, like SMR drive, read less sectors with fixed count
each time we trigger RA may be low efficient, since we will face
high seeking overhead, so we'd better let user to configure this
parameter from sysfs in specific workload.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2015-10-12 14:03:43 -07:00
Ludovic Tancerel 1b75ce6587 Add ms8607 meas-spec driver support
Support for MS8607 temperature, pressure & humidity sensor.
This part is using functions from MS5637 for temperature and pressure
and HTU21 for humidity

Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-10-11 10:21:21 +01:00
Ludovic Tancerel 2b5c53d2c9 Add htu21 meas-spec driver support
Support for HTU21 temperature & humidity sensor

Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-10-11 10:21:20 +01:00
Ludovic Tancerel 53bf4d067d Add tsys02d meas-spec driver support
Support for TSYS02D temperature sensor

Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-10-11 10:21:19 +01:00
Jaegeuk Kim 60b99b486b f2fs: introduce a periodic checkpoint flow
This patch introduces a periodic checkpoint feature.
Note that, this is not enforcing to conduct checkpoints very strictly in terms
of trigger timing, instead just hope to help user experiences.
The default value is 60 seconds.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2015-10-09 16:20:57 -07:00
Alan Tull afb79e993a fpga manager: add sysfs interface document
Add documentation under drivers/staging for new fpga manager's
sysfs interface.

Signed-off-by: Alan Tull <atull@opensource.altera.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-07 18:07:20 +01:00
Mathieu Poirier 7253e4c956 coresight: etm3x: breaking down sysFS status interface
SysFS rules stipulate that only one value can be conveyed per
file.  As such splitting the "status" interface in individual files.

This is also useful for user space applications - that way they can
probe each file individually rather than having to parse a list of entries.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-07 17:54:09 +01:00
Alexander Shishkin 14cdbf0417 intel_th: Add PTI output driver
Parallel Trace Interface (PTI) unit is a trace output device that sends
data over a PTI port.

The driver provides interfaces to configure bus width, bus clock divider
and mode. Tracing is enabled via output device's "active" attribute.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 20:28:58 +01:00
Alexander Shishkin ba82664c13 intel_th: Add Memory Storage Unit driver
Memory Storage Unit (MSU) is a trace output device that collects trace
data to system memory. It consists of 2 independent Memory Storage
Controllers (MSCs).

This driver provides userspace interfaces to configure in-memory tracing
parameters, such as contiguous (high-order allocation) buffer or multiblock
(scatter list) buffer mode, wrapping (data overwrite) and number and sizes
of windows in multiblock mode. Userspace can read the buffers via mmap()ing
or read()ing of the corresponding device node.

Signed-off-by: Laurent Fert <laurent.fert@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 20:28:58 +01:00
Alexander Shishkin b27a6a3f97 intel_th: Add Global Trace Hub driver
Global Trace Hub (GTH) is the central component of Intel TH architecture;
it carries out switching between the trace sources and trace outputs, can
enable/disable tracing, perform STP encoding, internal buffering, control
backpressure from outputs to sources and so on.

This property is also reflected in the software model; GTH (switch) driver
is required for the other subdevices to probe, because it matches trace
output devices against its output ports and configures them accordingly.

It also implements an interface for output ports to request trace enabling
or disabling and a few other useful things.

For userspace, it provides an attribute group "masters", which allows
configuration of per-master trace output destinations for up to master 255
and "256+" meaning "masters 256 and above". It also provides an attribute
group to discover and configure some of the parameters of its output ports,
called "outputs". Via these the user can set up data retention policy for
an individual output port or check if it is in reset state.

Signed-off-by: Laurent Fert <laurent.fert@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 20:28:58 +01:00
Alexander Shishkin 39f4034693 intel_th: Add driver infrastructure for Intel(R) Trace Hub devices
Intel(R) Trace Hub (TH) is a set of hardware blocks (subdevices) that
produce, switch and output trace data from multiple hardware and
software sources over several types of trace output ports encoded
in System Trace Protocol (MIPI STPv2) and is intended to perform
full system debugging.

For these subdevices, we create a bus, where they can be discovered
and configured by userspace software.

This patch creates this bus infrastructure, three types of devices
(source, output, switch), resource allocation, some callback mechanisms
to facilitate communication between the subdevices' drivers and some
common sysfs attributes.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 20:28:58 +01:00
Alexander Shishkin 7bd1d4093c stm class: Introduce an abstraction for System Trace Module devices
A System Trace Module (STM) is a device exporting data in System Trace
Protocol (STP) format as defined by MIPI STP standards. Examples of such
devices are Intel(R) Trace Hub and Coresight STM.

This abstraction provides a unified interface for software trace sources
to send their data over an STM device to a debug host. In order to do
that, such a trace source needs to be assigned a pair of master/channel
identifiers that all the data from this source will be tagged with. The
STP decoder on the debug host side will use these master/channel tags to
distinguish different trace streams from one another inside one STP
stream.

This abstraction provides a configfs-based policy management mechanism
for dynamic allocation of these master/channel pairs based on trace
source-supplied string identifier. It has the flexibility of being
defined at runtime and at the same time (provided that the policy
definition is aligned with the decoding end) consistency.

For userspace trace sources, this abstraction provides write()-based and
mmap()-based (if the underlying stm device allows this) output mechanism.

For kernel-side trace sources, we provide "stm_source" device class that
can be connected to an stm device at run time.

Cc: linux-api@vger.kernel.org
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 20:28:58 +01:00
Ashutosh Dixit f4a66c2044 misc: mic: Update MIC host daemon with COSM changes
This patch updates the MIC host daemon to work with corresponding
changes in COSM. Other MIC daemon fixes, cleanups and enhancements as
are also rolled into this patch. Changes to MIC sysfs ABI which go
into effect with this patch are also documented.

Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 12:54:54 +01:00
Mike Marshall 74a552a133 Orangefs: kernel client part 6
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03 11:39:59 -04:00
Andreas Dannenberg 6169588f69 Documentation: power: bq24257: Document exported sysfs entries
Document the settings exported by bq24257 charger driver through sysfs
entries:
- ovp_voltage
- in_dpm_voltage
- high_impedance_enable
- sysoff_enable

Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-10-01 03:57:57 +02:00
Clément Vuchener 6f78193ee9 HID: corsair: Add Corsair Vengeance K90 driver
This patch implements a HID driver for the Corsair Vengeance K90 keyboard.

It fixes the behaviour of the keys using incorrect HID usage codes and exposes
the macro playback mode and current profile to the user space through sysfs
attributes. It also adds two LED class devices controlling the "record" LED and
the backlight.

Signed-off-by: Clément Vuchener <clement.vuchener@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-09-30 21:28:10 +02:00
Peter Rosin b15aef8d5b iio: resistance: Document that resistance can be output
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30 18:20:53 +01:00
Greg Kroah-Hartman 9f827d8099 First round of new driver, new functionality and cleanups for IIO in the 4.4 cycle
New device support
 * APDS9960 ALS + proximity driver
 * bmg160 SPI devices.
 * HDC100x humidity sensors
 * Holt HI-8435 threshold detector
 * mma8453Q accelerometer added to the mma8452 driver
 * mma86452FC and mma8653FC accelerometers added to the mma8452 driver
 * mxc4005 accelerometer
 * PulsedLight LIDAR
 * SensorTech VZ89x volatile organic compound sensor
 * UPISEMI uS5182d ALS and proximity sensors
 
 New core functionality
 * triggered events - use triggers to check for changes in threshold type
   detectors on devices with out interrupt support.  First user is the holt
   comparator.
 * chemical concentration and resistance channel types.
 
 New driver functionality
 * vf610
   - buffer support.
   - followup coccinelle warning fix.
 
 Core rework
 * buffers
   - break out callback buffer to own module.
   - move buffer implementations to a new subdirectory
 * percolate the error code form iio_event_getfd out to userspace
   rather than giving a missleading error later on.
 
 Cleanups
 * adddac drivers
   - use BIT macro where appropriate.
 * meter drivers
   - use BIT macro where appropriate.
 
 * ad7303
  - add an OF match table to line up with the binding docs.
 * adc128s052
   - add an OF match table to line up with the binding docs.
 * adf4350
   - add an OF match table to line up with the binding docs
 * as3935
   - add an OF match table to line up with the binding docs.
 * berlin2-adc
   - use GENMASK and BIT for masks
   - prevent attempting to sample multiple channels at once by moving a
     mutex scop
   - coding style cleanups
 * bmg150_magn
   - kconfig sort order was wrong - fix it.
 * bmg160
   - use i2c regmap and drop all uses of i2c_client
   - separate i2c and core driver
 * cc10001_adc
   - kconfig sort order was wrong - fix it.
 * evgen (dummy driver helper module)
   - move interrupt generation to irq_work to reduce differences between
     the dummy driver and real hardware drivers.
 * hmc5843
   - set the name dynamically rather than to a fixed value for one of the
     suported parts.
   - export module alias information to allow autoprobing of module.
 * lpc32xx
   - on failure to get resource or irq return -ENXIO as uppose to -EBUSY
 * max1027
   - set .of_match_table to actually allow OF style matching.
 * max5821
   - add MODULE_DEVICE_TABLE for OF table.
 * mma8452
   - refactor to separate out chip specific data.
   - add freefall / motion interrupt source for devices that do their
     interrupts slightly differently.
   - update copywrite notice.
   - leave naming of events directory in sysfs to the core
 * mcp320x
   - set .of_match_table so that it can be use for OF style matching.
 * mlx90614
   - Implement filter configuration (note the datasheet changed as a result
     of the driver reviews to include the values we needed ;)
 * opt3001
   - drop .owner field as assigned by platform driver core.
 * si7020
   - replace a bitmask on the humidity values with a more correct range
     check.
 * stk310
   - improved error handling.
   - use BIT macro where appropriate and use the resulting defines
     instead of magic numbers in the code.
   - fix indentation
 * st-sensors
   - add debugfs register read hook
 * tsl4531
   - fix error handling in check_id
 * twl6030
   - fix module autoload for OF
 * iio-trig-sysfs
   - document add and remove attribute
 * trigger in staging
   - code alignment fixes.
   - braces on both branches of if statement if needed for one.
 * xilinx-xadc
   - push interrupts into hardirq context as there isn't much in them
     any more and it avoids breaking PREEMPT_RT builds due to the use
     of a spinlock between the hardirq and the thread.
 
 Tools
 * event-monitor
   - report unsupported events.  We keep expanding what can come from drivers
     so give a helpful error if one turns up in an out of date userspace
     program.
 * generic-buffer
   - helpful message about needing to enable a channel to start the buffer.
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Merge tag 'iio-for-4.4a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First round of new driver, new functionality and cleanups for IIO in the 4.4 cycle

New device support
* APDS9960 ALS + proximity driver
* bmg160 SPI devices.
* HDC100x humidity sensors
* Holt HI-8435 threshold detector
* mma8453Q accelerometer added to the mma8452 driver
* mma86452FC and mma8653FC accelerometers added to the mma8452 driver
* mxc4005 accelerometer
* PulsedLight LIDAR
* SensorTech VZ89x volatile organic compound sensor
* UPISEMI uS5182d ALS and proximity sensors

New core functionality
* triggered events - use triggers to check for changes in threshold type
  detectors on devices with out interrupt support.  First user is the holt
  comparator.
* chemical concentration and resistance channel types.

New driver functionality
* vf610
  - buffer support.
  - followup coccinelle warning fix.

Core rework
* buffers
  - break out callback buffer to own module.
  - move buffer implementations to a new subdirectory
* percolate the error code form iio_event_getfd out to userspace
  rather than giving a missleading error later on.

Cleanups
* adddac drivers
  - use BIT macro where appropriate.
* meter drivers
  - use BIT macro where appropriate.

* ad7303
 - add an OF match table to line up with the binding docs.
* adc128s052
  - add an OF match table to line up with the binding docs.
* adf4350
  - add an OF match table to line up with the binding docs
* as3935
  - add an OF match table to line up with the binding docs.
* berlin2-adc
  - use GENMASK and BIT for masks
  - prevent attempting to sample multiple channels at once by moving a
    mutex scop
  - coding style cleanups
* bmg150_magn
  - kconfig sort order was wrong - fix it.
* bmg160
  - use i2c regmap and drop all uses of i2c_client
  - separate i2c and core driver
* cc10001_adc
  - kconfig sort order was wrong - fix it.
* evgen (dummy driver helper module)
  - move interrupt generation to irq_work to reduce differences between
    the dummy driver and real hardware drivers.
* hmc5843
  - set the name dynamically rather than to a fixed value for one of the
    suported parts.
  - export module alias information to allow autoprobing of module.
* lpc32xx
  - on failure to get resource or irq return -ENXIO as uppose to -EBUSY
* max1027
  - set .of_match_table to actually allow OF style matching.
* max5821
  - add MODULE_DEVICE_TABLE for OF table.
* mma8452
  - refactor to separate out chip specific data.
  - add freefall / motion interrupt source for devices that do their
    interrupts slightly differently.
  - update copywrite notice.
  - leave naming of events directory in sysfs to the core
* mcp320x
  - set .of_match_table so that it can be use for OF style matching.
* mlx90614
  - Implement filter configuration (note the datasheet changed as a result
    of the driver reviews to include the values we needed ;)
* opt3001
  - drop .owner field as assigned by platform driver core.
* si7020
  - replace a bitmask on the humidity values with a more correct range
    check.
* stk310
  - improved error handling.
  - use BIT macro where appropriate and use the resulting defines
    instead of magic numbers in the code.
  - fix indentation
* st-sensors
  - add debugfs register read hook
* tsl4531
  - fix error handling in check_id
* twl6030
  - fix module autoload for OF
* iio-trig-sysfs
  - document add and remove attribute
* trigger in staging
  - code alignment fixes.
  - braces on both branches of if statement if needed for one.
* xilinx-xadc
  - push interrupts into hardirq context as there isn't much in them
    any more and it avoids breaking PREEMPT_RT builds due to the use
    of a spinlock between the hardirq and the thread.

Tools
* event-monitor
  - report unsupported events.  We keep expanding what can come from drivers
    so give a helpful error if one turns up in an out of date userspace
    program.
* generic-buffer
  - helpful message about needing to enable a channel to start the buffer.
2015-09-30 03:37:48 +02:00
Matt Ranostay cd8d97774f iio: chemical: add SGX VZ89x VOC sensor support
Add support for VZ89X sensors VOC and CO2 reporting channels in
percentage which can be converted to part per million.

Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-23 20:23:26 +01:00
Matt Ranostay d38d54692d iio: resistance: add IIO_RESISTANCE channel type
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-23 20:23:25 +01:00
Matt Ranostay 8ff6b3bc94 iio: chemical: Add IIO_CONCENTRATION channel type
There are air quality sensors that report data back in parts per million
of VOC (Volatile Organic Compounds) which are usually indexed from CO2
or another common pollutant.

This patchset adds an IIO_CONCENTRATION type that returns a percentage
of substance because no other channels types fit this use case.
Modifiers for IIO_MOD_CO2 and IIO_MOD_VOC gas types are defined.

Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-23 20:23:24 +01:00
Matt Ranostay 4839367d99 iio: humidity: add HDC100x support
Add support for the HDC100x temperature and humidity sensors
including the resistive heater element.

Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-23 20:23:19 +01:00
Vladimir Barinov 72aa29ce0a iio: adc: hi8435: Holt HI-8435 threshold detector
Add Holt threshold detector driver for HI-8435 chip

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-23 20:23:18 +01:00
Stefan Koch 7f59c150ad usb: interface authorization: Documentation part
This part adds the documentation for the interface authorization.

Signed-off-by: Stefan Koch <stefan.koch10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-22 12:08:40 -07:00
Tomas Winkler 40b7320ee4 mei: bus: export client protocol version
export me client protocol version to sysfs and uevent

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-20 19:30:10 -07:00
Alexandra Yates a6f5f0dd4e PM / sleep: Report interrupt that caused system wakeup
Add a sysfs attribute, /sys/power/pm_wakeup_irq, reporting the IRQ
number of the first wakeup interrupt (that is, the first interrupt
from an IRQ line armed for system wakeup) seen by the kernel during
the most recent system suspend/resume cycle.

This feature will be useful for system wakeup diagnostics of
spurious wakeup interrupts.

Signed-off-by: Alexandra Yates <alexandra.yates@linux.intel.com>
[ rjw: Fixed up pm_wakeup_irq definition ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-09-16 14:20:41 +02:00
Linus Torvalds 752240e74d xen: features and fixes for 4.3-rc0
- Convert xen-blkfront to the multiqueue API
 - [arm] Support binding event channels to different VCPUs.
 - [x86] Support > 512 GiB in a PV guests (off by default as such a
   guest cannot be migrated with the current toolstack).
 - [x86] PMU support for PV dom0 (limited support for using perf with
   Xen and other guests).
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Merge tag 'for-linus-4.3-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from David Vrabel:
 "Xen features and fixes for 4.3:

   - Convert xen-blkfront to the multiqueue API
   - [arm] Support binding event channels to different VCPUs.
   - [x86] Support > 512 GiB in a PV guests (off by default as such a
     guest cannot be migrated with the current toolstack).
   - [x86] PMU support for PV dom0 (limited support for using perf with
     Xen and other guests)"

* tag 'for-linus-4.3-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (33 commits)
  xen: switch extra memory accounting to use pfns
  xen: limit memory to architectural maximum
  xen: avoid another early crash of memory limited dom0
  xen: avoid early crash of memory limited dom0
  arm/xen: Remove helpers which are PV specific
  xen/x86: Don't try to set PCE bit in CR4
  xen/PMU: PMU emulation code
  xen/PMU: Intercept PMU-related MSR and APIC accesses
  xen/PMU: Describe vendor-specific PMU registers
  xen/PMU: Initialization code for Xen PMU
  xen/PMU: Sysfs interface for setting Xen PMU mode
  xen: xensyms support
  xen: remove no longer needed p2m.h
  xen: allow more than 512 GB of RAM for 64 bit pv-domains
  xen: move p2m list if conflicting with e820 map
  xen: add explicit memblock_reserve() calls for special pages
  mm: provide early_memremap_ro to establish read-only mapping
  xen: check for initrd conflicting with e820 map
  xen: check pre-allocated page tables for conflict with memory map
  xen: check for kernel memory conflicting with memory layout
  ...
2015-09-08 11:46:48 -07:00
Linus Torvalds 8d2faea672 This is the bulk of GPIO changes for the v4.3 kernel cycle:
Core changes:
 
 - Root out the wrapper devm_gpiod_get() and gpiod_get() etc
   versions of the descriptor calls that did not use the flags
   argument on the end. This was around for too long and eventually
   Uwe Kleine-König took the time to clean it out and the last
   users are removed along with the macros in this tag. In several
   cases the use of flags simplifies the code. For this reason we
   have (ACKed) patches hitting in DRM, IIO, media, NFC, USB+PHY
   up until we hammer in the nail with removing the macros.
 
 - Add a fat document describing how much ready-made GPIO stuff
   we have i the kernel to discourage people from reinventing
   a square wheel in userspace, as so often happens.
 
 - Create a separate lockdep class for each instance of a GPIO
   IRQ chip instead of using one class for all chips, as the current
   code will not work with systems with several GPIO chips doing
   lockdep debugging.
 
 - Protect against driver unloading also when a GPIO line is only
   used as IRQ for the GPIOLIB_IRQCHIP helpers.
 
 - If the GPIO chip has no designated owner, assign the parent
   device driver owner as owner.
 
 - Consolidation of chained IRQ handler install/remove replacing
   all call sites where irq_set_handler_data() and
   irq_set_chained_handler() were done in succession with a
   combined call to irq_set_chained_handler_and_data(). This
   series was created by Thomas Gleixner after the problem was
   observed by Russell King.
 
 - Tglx also made another series of patches switching
   __irq_set_handler_locked() for irq_set_handler_locked() which
   is way cleaner.
 
 - Tglx and Jiang Liu wrote a good bunch of patches to make use of
   irq_desc_get_xxx() accessors and avoid looking up irq_descs
   from IRQ numbers. The goal is to get rid of the irq number
   from the handlers in the IRQ flow which is nice.
 
 - Rob Herring killed off the set_irq_flags() for all GPIO
   drivers. This was an ARM specific function that is replaced
   with the generic irq_modify_status() where special flags
   are actually needed.
 
 - When an OF node has a pin range for its GPIOs, return
   -EPROBE_DEFER if the pin controller isn't available.
   Pretty logical, yet needed to be fixed.
 
 - If a driver using GPIOLIB_IRQCHIP has its own
   irq_*_resources call back, then call these instead of the
   defaults provided by the GPIOLIB.
 
 - Fix an undocumented ABI hole: named GPIOs were not
   properly documented.
 
 Driver improvements:
 
 - Add get_direction() support to the generic GPIO driver, it's
   strange that we didn't have that before.
 
 - Make it possible to have input-only GPIO chips using the
   generic GPIO driver.
 
 - Clean out platform data support from the Emma Mobile (EM)
   driver
 
 - Finegrained runtime PM support for the RCAR driver.
 
 - Support r8a7795 (R-car H3) in the RCAR driver.
 
 - Support interrupts on GPIOs 16 thru 31 in the DaVinci driver.
 
 - Some consolidation and new support in the MPC8xxx driver,
   we now support MPC5125.
 
 - Preempt-RT-friendly patches: the OMAP, MPC8xxx, drivers uses raw
   spinlocks making it work better with the realime patches.
 
 - Interrupt support for the EXTRAXFS GPIO driver.
 
 - Make the ETRAXFS GPIO driver support also ARTPEC-3.
 
 - Interrupt and wakeup support for the BRCMSTB driver, also for
   wakeup from S5 cold boot.
 
 - Mask MXC IRQs during suspend.
 
 - Improve OMAP2 GPIO set_debounce() to work according to spec.
 
 - The VF610 driver handles IRQs properly.
 
 New drivers:
 
 - ZTE ZX GPIO driver.
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Merge tag 'gpio-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.3 kernel cycle.

  There is quite a lot going on in the GPIO subsystem this merge window,
  so the main matter is decribed below.

  The hits in other subsystems when making the GPIO flags optional are
  all ACKed by their respective subsystem maintainers.

  Core changes:

   - Root out the wrapper devm_gpiod_get() and gpiod_get() etc versions
     of the descriptor calls that did not use the flags argument on the
     end.  This was around for too long and eventually Uwe Kleine-König
     took the time to clean it out and the last users are removed along
     with the macros in this tag.  In several cases the use of flags
     simplifies the code.  For this reason we have (ACKed) patches
     hitting in DRM, IIO, media, NFC, USB+PHY up until we hammer in the
     nail with removing the macros.

   - Add a fat document describing how much ready-made GPIO stuff we
     have i the kernel to discourage people from reinventing a square
     wheel in userspace, as so often happens.

   - Create a separate lockdep class for each instance of a GPIO IRQ
     chip instead of using one class for all chips, as the current code
     will not work with systems with several GPIO chips doing lockdep
     debugging.

   - Protect against driver unloading also when a GPIO line is only used
     as IRQ for the GPIOLIB_IRQCHIP helpers.

   - If the GPIO chip has no designated owner, assign the parent device
     driver owner as owner.

   - Consolidation of chained IRQ handler install/remove replacing all
     call sites where irq_set_handler_data() and
     irq_set_chained_handler() were done in succession with a combined
     call to irq_set_chained_handler_and_data().

     This series was created by Thomas Gleixner after the problem was
     observed by Russell King.

   - Tglx also made another series of patches switching
     __irq_set_handler_locked() for irq_set_handler_locked() which is
     way cleaner.

   - Tglx and Jiang Liu wrote a good bunch of patches to make use of
     irq_desc_get_xxx() accessors and avoid looking up irq_descs from
     IRQ numbers.  The goal is to get rid of the irq number from the
     handlers in the IRQ flow which is nice.

   - Rob Herring killed off the set_irq_flags() for all GPIO drivers.
     This was an ARM specific function that is replaced with the generic
     irq_modify_status() where special flags are actually needed.

   - When an OF node has a pin range for its GPIOs, return -EPROBE_DEFER
     if the pin controller isn't available.  Pretty logical, yet needed
     to be fixed.

   - If a driver using GPIOLIB_IRQCHIP has its own irq_*_resources call
     back, then call these instead of the defaults provided by the
     GPIOLIB.

   - Fix an undocumented ABI hole: named GPIOs were not properly
     documented.

  Driver improvements:

   - Add get_direction() support to the generic GPIO driver, it's
     strange that we didn't have that before.

   - Make it possible to have input-only GPIO chips using the generic
     GPIO driver.

   - Clean out platform data support from the Emma Mobile (EM) driver

   - Finegrained runtime PM support for the RCAR driver.

   - Support r8a7795 (R-car H3) in the RCAR driver.

   - Support interrupts on GPIOs 16 thru 31 in the DaVinci driver.

   - Some consolidation and new support in the MPC8xxx driver, we now
     support MPC5125.

   - Preempt-RT-friendly patches: the OMAP, MPC8xxx, drivers uses raw
     spinlocks making it work better with the realime patches.

   - Interrupt support for the EXTRAXFS GPIO driver.

   - Make the ETRAXFS GPIO driver support also ARTPEC-3.

   - Interrupt and wakeup support for the BRCMSTB driver, also for
     wakeup from S5 cold boot.

   - Mask MXC IRQs during suspend.

   - Improve OMAP2 GPIO set_debounce() to work according to spec.

   - The VF610 driver handles IRQs properly.

  New drivers:

   - ZTE ZX GPIO driver"

* tag 'gpio-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits)
  Revert "gpio: extraxfs: fix returnvar.cocci warnings"
  gpio: tc3589x: use static container helper
  gpio: xlp: fix error return code
  gpio: vf610: handle level IRQ's properly
  gpio: max732x: Fix error handling in probe()
  gpio: omap: fix clk_prepare/unprepare usage
  gpio: omap: protect regs access in omap_gpio_irq_handler
  gpio: omap: fix omap2_set_gpio_debounce
  gpio: omap: switch to use platform_get_irq
  gpio: omap: remove wrong irq_domain_remove usage in probe
  gpiolib: add description for gpio irqchip fields in struct gpio_chip
  gpio: extraxfs: fix returnvar.cocci warnings
  gpiolib: irqchip: use different lockdep class for each gpio irqchip
  gpio/grgpio: fix deadlock in grgpio_irq_unmap()
  Documentation: gpio: consumer: describe active low property
  gpio: mxc: fix section mismatch warning
  gpio/mxc: mask gpio interrupts in suspend
  gpio: omap: Fix missing raw locks conversion
  gpio: brcmstb: support wakeup from S5 cold boot
  gpio: brcmstb: Add interrupt and wakeup source support
  ...
2015-09-04 10:07:45 -07:00
Linus Torvalds ff474e8ca8 powerpc updates for 4.3
- Support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask from Benjamin Herrenschmidt
  - EEH fixes for SRIOV from Gavin
  - Introduce rtas_get_sensor_fast() for IRQ handlers from Thomas Huth
  - Use hardware RNG for arch_get_random_seed_* not arch_get_random_* from Paul Mackerras
  - Seccomp filter support from Michael Ellerman
  - opal_cec_reboot2() handling for HMIs & machine checks from Mahesh Salgaonkar
  - Add powerpc timebase as a trace clock source from Naveen N. Rao
  - Misc cleanups in the xmon, signal & SLB code from Anshuman Khandual
  - Add an inline function to update POWER8 HID0 from Gautham R. Shenoy
  - Fix pte_pagesize_index() crash on 4K w/64K hash from Michael Ellerman
  - Drop support for 64K local store on 4K kernels from Michael Ellerman
  - move dma_get_required_mask() from pnv_phb to pci_controller_ops from Andrew Donnellan
  - Initialize distance lookup table from drconf path from Nikunj A Dadhania
  - Enable RTC class support from Vaibhav Jain
  - Disable automatically blocked PCI config from Gavin Shan
  - Add LEDs driver for PowerNV platform from Vasant Hegde
  - Fix endianness issues in the HVSI driver from Laurent Dufour
  - Kexec endian fixes from Samuel Mendoza-Jonas
  - Fix corrupted pdn list from Gavin Shan
  - Fix fenced PHB caused by eeh_slot_error_detail() from Gavin Shan
 
  - Freescale updates from Scott: Highlights include 32-bit memcpy/memset
    optimizations, checksum optimizations, 85xx config fragments and updates,
    device tree updates, e6500 fixes for non-SMP, and misc cleanup and minor
    fixes.
 
  - A ton of cxl updates & fixes:
   - Add explicit precision specifiers from Rasmus Villemoes
   - use more common format specifier from Rasmus Villemoes
   - Destroy cxl_adapter_idr on module_exit from Johannes Thumshirn
   - Destroy afu->contexts_idr on release of an afu from Johannes Thumshirn
   - Compile with -Werror from Daniel Axtens
   - EEH support from Daniel Axtens
   - Plug irq_bitmap getting leaked in cxl_context from Vaibhav Jain
   - Add alternate MMIO error handling from Ian Munsie
   - Allow release of contexts which have been OPENED but not STARTED from Andrew Donnellan
   - Remove use of macro DEFINE_PCI_DEVICE_TABLE from Vaishali Thakkar
   - Release irqs if memory allocation fails from Vaibhav Jain
   - Remove racy attempt to force EEH invocation in reset from Daniel Axtens
   - Fix + cleanup error paths in cxl_dev_context_init from Ian Munsie
   - Fix force unmapping mmaps of contexts allocated through the kernel api from Ian Munsie
   - Set up and enable PSL Timebase from Philippe Bergheaud
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Merge tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask
   from Benjamin Herrenschmidt

 - EEH fixes for SRIOV from Gavin

 - introduce rtas_get_sensor_fast() for IRQ handlers from Thomas Huth

 - use hardware RNG for arch_get_random_seed_* not arch_get_random_*
   from Paul Mackerras

 - seccomp filter support from Michael Ellerman

 - opal_cec_reboot2() handling for HMIs & machine checks from Mahesh
   Salgaonkar

 - add powerpc timebase as a trace clock source from Naveen N.  Rao

 - misc cleanups in the xmon, signal & SLB code from Anshuman Khandual

 - add an inline function to update POWER8 HID0 from Gautham R.  Shenoy

 - fix pte_pagesize_index() crash on 4K w/64K hash from Michael Ellerman

 - drop support for 64K local store on 4K kernels from Michael Ellerman

 - move dma_get_required_mask() from pnv_phb to pci_controller_ops from
   Andrew Donnellan

 - initialize distance lookup table from drconf path from Nikunj A
   Dadhania

 - enable RTC class support from Vaibhav Jain

 - disable automatically blocked PCI config from Gavin Shan

 - add LEDs driver for PowerNV platform from Vasant Hegde

 - fix endianness issues in the HVSI driver from Laurent Dufour

 - kexec endian fixes from Samuel Mendoza-Jonas

 - fix corrupted pdn list from Gavin Shan

 - fix fenced PHB caused by eeh_slot_error_detail() from Gavin Shan

 - Freescale updates from Scott: Highlights include 32-bit memcpy/memset
   optimizations, checksum optimizations, 85xx config fragments and
   updates, device tree updates, e6500 fixes for non-SMP, and misc
   cleanup and minor fixes.

 - a ton of cxl updates & fixes:
    - add explicit precision specifiers from Rasmus Villemoes
    - use more common format specifier from Rasmus Villemoes
    - destroy cxl_adapter_idr on module_exit from Johannes Thumshirn
    - destroy afu->contexts_idr on release of an afu from Johannes
      Thumshirn
    - compile with -Werror from Daniel Axtens
    - EEH support from Daniel Axtens
    - plug irq_bitmap getting leaked in cxl_context from Vaibhav Jain
    - add alternate MMIO error handling from Ian Munsie
    - allow release of contexts which have been OPENED but not STARTED
      from Andrew Donnellan
    - remove use of macro DEFINE_PCI_DEVICE_TABLE from Vaishali Thakkar
    - release irqs if memory allocation fails from Vaibhav Jain
    - remove racy attempt to force EEH invocation in reset from Daniel
      Axtens
    - fix + cleanup error paths in cxl_dev_context_init from Ian Munsie
    - fix force unmapping mmaps of contexts allocated through the kernel
      api from Ian Munsie
    - set up and enable PSL Timebase from Philippe Bergheaud

* tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (140 commits)
  cxl: Set up and enable PSL Timebase
  cxl: Fix force unmapping mmaps of contexts allocated through the kernel api
  cxl: Fix + cleanup error paths in cxl_dev_context_init
  powerpc/eeh: Fix fenced PHB caused by eeh_slot_error_detail()
  powerpc/pseries: Cleanup on pci_dn_reconfig_notifier()
  powerpc/pseries: Fix corrupted pdn list
  powerpc/powernv: Enable LEDS support
  powerpc/iommu: Set default DMA offset in dma_dev_setup
  cxl: Remove racy attempt to force EEH invocation in reset
  cxl: Release irqs if memory allocation fails
  cxl: Remove use of macro DEFINE_PCI_DEVICE_TABLE
  powerpc/powernv: Fix mis-merge of OPAL support for LEDS driver
  powerpc/powernv: Reset HILE before kexec_sequence()
  powerpc/kexec: Reset secondary cpu endianness before kexec
  powerpc/hvsi: Fix endianness issues in the HVSI driver
  leds/powernv: Add driver for PowerNV platform
  powerpc/powernv: Create LED platform device
  powerpc/powernv: Add OPAL interfaces for accessing and modifying system LED states
  powerpc/powernv: Fix the log message when disabling VF
  cxl: Allow release of contexts which have been OPENED but not STARTED
  ...
2015-09-03 16:41:38 -07:00
Linus Torvalds 851328feb8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
 "to receive patches queued for 4.3 merge window in HID tree. Highlights:

   - a lot of improvements (regarding supported features and devices) to
     Wacom driver, from Aaron Skomra and Jason Gerecke
   - a lot of functional fixes and support for large I2C transfer to
     cp2112 driver, from Ellen Wang
   - HW support improvements to RMI driver, from Andrew Duggan
   - quite some small fixes and device ID additions all over the place"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (44 commits)
  HID: wacom: wacom_setup_numbered_buttons is local to wacom_wac
  HID: wacom: Add support for Express Key Remote.
  HID: wacom: Set button bits based on a new numbered_buttons
  HID: quirks: add QUIRK_NOGET for an other TPV touchscreen
  HID: usbhid: Fix the check for HID_RESET_PENDING in hid_io_error
  HID: i2c-hid: Only disable irq wake if it was successfully enabled during suspend
  HID: wacom: Use tablet-provided touch height/width values for INTUOSHT
  HID: gembird: add new driver to fix Gembird JPD-DualForce 2
  HID: lenovo: Hide middle-button press until release
  HID: lenovo: Add missing return-value check
  HID: lenovo: Use constants for axes names
  HID: wacom: Simplify 'wacom_pl_irq'
  HID: wacom: Do not repeatedly attempt to set device mode on error
  HID: wacom: Do not repeatedly attempt to set device mode on error
  HID: wacom: Remove WACOM_QUIRK_NO_INPUT
  HID: wacom: Replace WACOM_QUIRK_MONITOR with WACOM_DEVICETYPE_WL_MONITOR
  HID: wacom: Use calculated pkglen for wireless touch interface
  HID: sony: Fix DS4 controller reporting rate issues
  HID: chicony: Add support for Acer Aspire Switch 12
  HID: hid-lg: Add USBID for Logitech G29 Wheel
  ...
2015-09-01 18:39:09 -07:00
Jiri Kosina 8c4de9bc20 Merge branches 'for-4.3/chicony', 'for-4.3/cp2112', 'for-4.3/i2c-hid', 'for-4.3/lenovo', 'for-4.3/logitech', 'for-4.3/multitouch', 'for-4.3/picolcd', 'for-4.3/rmi', 'for-4.3/sensor-hub', 'for-4.3/sony' and 'for-4.3/wacom' into for-linus 2015-09-01 15:37:30 +02:00
Linus Torvalds c8192ba416 power supply and reset changes for the v4.3 series
* new reset driver for ZTE SoCs
  * add support for sama5d3 reset handling
  * overhaul of twl4030 charger driver
  * misc. fixes and cleanups
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Merge tag 'for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset changes from Sebastian Reichel:
 - new reset driver for ZTE SoCs
 - add support for sama5d3 reset handling
 - overhaul of twl4030 charger driver
 - misc fixes and cleanups

* tag 'for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (35 commits)
  bq2415x_charger: Allow to load and use driver even if notify device is not registered yet
  twl4030_charger: fix compile error when TWL4030_MADC not available.
  power: bq24190_charger: Fix charge type sysfs property
  power: Allow compile test of GPIO consumers if !GPIOLIB
  power: Export I2C module alias information in missing drivers
  twl4030_charger: Increase current carefully while watching voltage.
  twl4030_charger: add ac/mode to match usb/mode
  twl4030_charger: add software controlled linear charging mode.
  twl4030_charger: enable manual enable/disable of usb charging.
  twl4030_charger: allow max_current to be managed via sysfs.
  twl4030_charger: distinguish between USB current and 'AC' current
  twl4030_charger: allow fine control of charger current.
  twl4030_charger: split uA calculation into a function.
  twl4030_charger: trust phy to determine when USB power is available.
  twl4030_charger: correctly handle -EPROBE_DEFER from devm_usb_get_phy_by_node
  twl4030_charger: convert to module_platform_driver instead of ..._probe.
  twl4030_charger: use runtime_pm to keep usb phy active while charging.
  rx51-battery: Set name to rx51-battery
  MAINTAINERS: AVS is not maintained via power supply tree
  power: olpc_battery: clean up eeprom read function
  ...
2015-08-31 15:25:16 -07:00
Linus Torvalds 4ff12049d6 USB patches for 4.3-rc1
Here's the big USB and PHY patchset for 4.3-rc1.
 
 As usual, the majority of the changes are in the USB gadget portion of
 the tree, lots of little changes all over the place for bugs and new
 hardware.  Other than that, the normal mix of new hardware support and
 bugfixes.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here's the big USB and PHY patchset for 4.3-rc1.

  As usual, the majority of the changes are in the USB gadget portion of
  the tree, lots of little changes all over the place for bugs and new
  hardware.  Other than that, the normal mix of new hardware support and
  bugfixes.

  All have been in linux-next with no reported issues"

* tag 'usb-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (261 commits)
  USB: qcserial: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module
  USB: ftdi_sio: Added custom PID for CustomWare products
  USB: usb_wwan: silence read errors on disconnect
  USB: option: silence interrupt errors
  USB: symbolserial: Correct transferred data size
  USB: symbolserial: Use usb_get_serial_port_data
  usb: misc: usbtest: format max packet size for iso transfer
  usb: host: ehci-sys: delete useless bus_to_hcd conversion
  Revert "usb: interface authorization: Declare authorized attribute"
  Revert "usb: interface authorization: Introduces the default interface authorization"
  Revert "usb: interface authorization: Control interface probing and claiming"
  Revert "usb: interface authorization: Introduces the USB interface authorization"
  Revert "usb: interface authorization: SysFS part of USB interface authorization"
  Revert "usb: interface authorization: Documentation part"
  Revert "usb: interface authorization: Use a flag for the default device authorization"
  usb: core: hub: Removed some warnings generated by checkpatch.pl
  USB: host: ohci-at91: merge loops in ohci_hcd_at91_drv_probe
  USB: host: ohci-at91: merge ohci_at91_of_init in ohci_hcd_at91_drv_probe
  USB: host: ohci-at91: depend on OF
  USB: host: ohci-at91: move at91_usbh_data definition in c file
  ...
2015-08-31 14:38:07 -07:00
Linus Torvalds 2f37d65a6a Staging driver patches for 4.3-rc1
Here is the big staging driver updates for 4.3-rc1.
 
 Lots of things all over the place, almost all of them trivial fixups and
 changes.  The usual IIO updates and new drivers and we have added the
 MOST driver subsystem which is getting cleaned up in the tree.  The
 ozwpan driver is finally being deleted as it is obviously abandoned and
 no one cares about it.
 
 Full details are in the shortlog, and all of these have been in
 linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big staging driver updates for 4.3-rc1.

  Lots of things all over the place, almost all of them trivial fixups
  and changes.  The usual IIO updates and new drivers and we have added
  the MOST driver subsystem which is getting cleaned up in the tree.
  The ozwpan driver is finally being deleted as it is obviously
  abandoned and no one cares about it.

  Full details are in the shortlog, and all of these have been in
  linux-next with no reported issues"

* tag 'staging-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (912 commits)
  staging/lustre/o2iblnd: remove references to ib_reg_phsy_mr()
  staging: wilc1000: fix build warning with setup_timer()
  staging: wilc1000: remove DECLARE_WILC_BUFFER()
  staging: wilc1000: remove void function return statements that are not useful
  staging: wilc1000: coreconfigurator.c: fix kmalloc error check
  staging: wilc1000: coreconfigurator.c: use kmalloc instead of WILC_MALLOC
  staging: wilc1000: remove unused codes of gps8ConfigPacket
  staging: wilc1000: remove unnecessary void pointer cast
  staging: wilc1000: remove WILC_NEW and WILC_NEW_EX
  staging: wilc1000: use kmalloc instead of WILC_NEW
  staging: wilc1000: Process WARN, INFO options of debug levels from user
  staging: wilc1000: remove unneeded tstrWILC_MsgQueueAttrs typedef
  staging: wilc1000: delete wilc_osconfig.h
  staging: wilc1000: delete wilc_log.h
  staging: wilc1000: delete wilc_timer.h
  staging: wilc1000: remove WILC_TimerStart()
  staging: wilc1000: remove WILC_TimerCreate()
  staging: wilc1000: remove WILC_TimerDestroy()
  staging: wilc1000: remove WILC_TimerStop()
  staging: wilc1000: remove tstrWILC_TimerAttrs typedef
  ...
2015-08-31 09:24:06 -07:00
Aaron Skomra 72b236d602 HID: wacom: Add support for Express Key Remote.
This device is pad (buttons) only, there is no stylus or touch. Up to
five remotes can pair with the device's associated USB dongle.

Signed-off-by: Aaron Skomra <aaron.skomra@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-08-28 20:43:20 +02:00
Boris Ostrovsky 5f14154882 xen/PMU: Sysfs interface for setting Xen PMU mode
Set Xen's PMU mode via /sys/hypervisor/pmu/pmu_mode. Add XENPMU hypercall.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
2015-08-20 12:24:26 +01:00
Greg Kroah-Hartman dba3398381 Revert "usb: interface authorization: Documentation part"
This reverts commit 6ef2bf7176 as the
signed-off-by address is invalid.

Cc: Stefan Koch <stefan.koch10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-18 09:57:15 -07:00
Cristina Opriceana 8d96fc276a Documentation: iio-trig-sysfs: Add remove_trigger attribute ABI
This patch adds the documentation ABI for the remove_trigger
attribute, provided by the iio-trig-sysfs stand-alone driver.

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-16 10:51:23 +01:00
Cristina Opriceana e0950d3b9e Documentation: iio-trig-sysfs: Document add_trigger attribute
This patch adds the ABI documentation for the add_trigger
attribute, which is provided by the iio-trig-sysfs stand-alone driver.

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-16 10:51:23 +01:00
Stefan Koch 6ef2bf7176 usb: interface authorization: Documentation part
This part adds the documentation for the interface authorization.

Signed-off-by: Stefan Koch <skoch@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-14 16:55:55 -07:00
Greg Kroah-Hartman a3fbedf98f usb: patches for v4.3 merge window
New support for Allwinne SoC on the MUSB driver has been added to the list of
 glue layers. MUSB also got support for building all DMA engines in one binary;
 this will be great for distros.
 
 DWC3 now has no trace of dev_dbg()/dev_vdbg() usage. We will rely solely on
 tracing to debug DWC3. There was also a fix for memory corruption with EP0 when
 maxpacket size transfers are > 512 bytes.
 
 Robert's EP capabilities flags is making EP selection a lot simpler. UDCs are
 now required to set these flags up when adding endpoints to the framework.
 
 Other than these, we have the usual set of miscelaneous cleanups and minor
 fixes.
 
 Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: patches for v4.3 merge window

New support for Allwinne SoC on the MUSB driver has been added to the list of
glue layers. MUSB also got support for building all DMA engines in one binary;
this will be great for distros.

DWC3 now has no trace of dev_dbg()/dev_vdbg() usage. We will rely solely on
tracing to debug DWC3. There was also a fix for memory corruption with EP0 when
maxpacket size transfers are > 512 bytes.

Robert's EP capabilities flags is making EP selection a lot simpler. UDCs are
now required to set these flags up when adding endpoints to the framework.

Other than these, we have the usual set of miscelaneous cleanups and minor
fixes.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-08-14 16:41:11 -07:00
Daniel Axtens 13e68d8bd0 cxl: Allow the kernel to trust that an image won't change on PERST.
Provide a kernel API and a sysfs entry which allow a user to specify
that when a card is PERSTed, it's image will stay the same, allowing
it to participate in EEH.

cxl_reset is used to reflash the card. In that case, we cannot safely
assert that the image will not change. Therefore, disallow cxl_reset
if the flag is set.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2015-08-14 21:32:07 +10:00
Linus Walleij 5f6f02cd49 Linux 4.2-rc4
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Merge tag 'v4.2-rc4' into devel

Linux 4.2-rc4
2015-08-13 14:42:55 +02:00
Linus Walleij 77a775b7cc gpio/ABI: document what is already the case
commit 926b663ce8
"gpiolib: allow GPIOs to be named" added the ability to
name GPIO lines by an array of names stored in the GPIO
chip. This was in 2009 and has been an ABI since. Let's
document it properly.

Cc: Daniel Silverstone <dsilvers@digital-scurf.org>
Cc: Markus Pargmann <mpa@pengutronix.de>
Cc: Johan Hovold <johan@kernel.org>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-08-13 13:13:16 +02:00
Greg Kroah-Hartman 1c46ae0af6 Second set of new device support, features and cleanup for the 4.3 cycle.
Take 2 also includes a fix set that was too late for the 4.2 cycle.
 
 As we had a lot of tools and docs work in this set, I have broken those
 out into their own categories in this description.
 
 Fixes from the pull request '4th set of IIO fixes for the 4.2 cycle'.
 * Poll functions for both event chardev and the buffer one were returning
   negative error codes (via a positive value).
 * A recent change to lsiio adding some error handling that was wrong and
   stopped the tool working.
 * bmg160 was missing some dependencies in Kconfig
 * berlin2-adc had a misshandled register (wrote a value rather than a bitmap)
 
 New device support
 * TI opt3001 light sensor
 * TXC PA12 ALS and proximity sensor.
 * mcp3301 ADC support (in mcp320x driver)
 * ST lsm303agr accelerometer and magnetometer drivers (plus some st-sensors
   common support to allow different WHOAMI register addresses, devices with
   fixed scale and allow interrupt equiped magnetometers).
 * ADIS16305, ADIS16367, ADIS16445IMUs (in the adis16400 driver)
 * ADIS16266 gyro (in the adis16260 driver)
 * ADIS16137 gyro (in the adis16136 driver)
 
 New functionality
 * mmc35240 DT bindings.
 * Inverse unit conversion macros to aid handing of values written to sysfs
   attributes.
 
 Core cleanup
 * Forward declaration of struct iio_trigger to avoid a compile warning.
 
 Driver cleanup / fixes
 * mxs-lradc
   - Clarify which parts are supported.
   - Fix spelling erorrs.
   - Missing/extra includes
   - reorder includes
   - add datasheet name listings for all usable channels (to allow them
     to be bound by name from consumer drivers)
 * acpi-als - add some function prefixes as per general iio style.
 * bmc150_magn - replace a magic value with the existing define.
 * vf610 - determine possible sample frequencies taking into account the
   electrical characteristics (defining a minimum sample time)
 * dht11
   - whitespace
   - additional docs
   - avoid mulitple assignments in one line
   - Use the new funciton ktime_get_resolution_ns to cleanup a nasty trick
     previously used for timing.
 * Fix all drivers that consider 0 a valid IRQ for historical reasons.
 * Export I2C module alias info where previously missing (to allow autoprobing)
 * Export OF module alias info where previously missing.
 * mmc35240 - switch some variables into arrays to improve readability.
 * mlx90614 - define some magic numbers for readability.
 * bmc150_magn
   - expand area locked by a mutex to cover all the use of the
     data->buffer.
   - use descriptive naming for a mask instead of a magic value.
 * berin2-adc
   - pass up an error code rather that a generic error
   - constify the iio_chan_spec
   - some other little tidy ups.
 * stk8312
   - fix a dependency on triggered buffers in kconfig
   - add a check for invalid attribute values
   - improve error handling by returning error codes where possible and
     return immediately where relevant
   - rework macro defs to use GENMASK etc
   - change some variable types to reduce unnecessary casting
   - clean up code style
   - drop a local buffer copy for bulk reads and use the one in data->buffer
      instead.
 * adis16400 - the adis16448 gyroscope scale was wrong.
 * adis16480 - some more wrong scales for various parts.
 * adis16300 - has an undocumented product id and serial number registers so
   use them.
 * iio_simple_dummy - fix some wrong code indentation.
 * bmc150-accel - use the chip ID to detect the chip present rather than
   verifying the expected part was there.  This was in response to a wrong
   ACPI entry on the WinBook TW100.
 * mma8452
   - fix _get_hp_filter_index
   - drop a double include
   - pass up an error code rather than rewriting it
   - range check input values to attribute writes
   - register defs tidy up using GENMASK and reordering them to be easier to
     follow.
   - various coding style cleanups
   - put the Kconfig entry in the write place (alphabetically).
 
 Tools related
 * Tools cleanup - drop an explicity NULL comparison, some unnecessary braces,
   use the ARRAY_SIZE macro, send error messages to stderr instead of dropping
   them in the middle of normal output.
 * Fix tools to allow that scale and offset attributes are optional.
 * More tools fixes including allowing true 32bit data (previously an overflow
   prevented more than 31bits)
 * Drop a stray header guard that ended up in a c file.
 * Make calc_digits static as it isn't exported or in the header.
 * Set ci_array pointer to NULL after free as a protection against non safe
   usage of the tools core code.  Also convert a double pointer to a single
   one as the extra level of indirection was unnecessary.
 
 Docs
 * DocBook introduction by Daniel Baluta.  Glad we are beginning to
   draw together some more introductory docs to suplement the various
   tools / examples.
 * Drop bytes_per_datum sysfs attribute docs as it no longer exists.
 * A whole load of missing / fixing of kernel-doc for the core of IIO.
 * Document the trigger name sysfs attribute in the ABI docs.
 * Minor typos in the ABI docs related to power down modes.
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Merge tag 'iio-for-4.3b-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

Second set of new device support, features and cleanup for the 4.3 cycle.
Take 2 also includes a fix set that was too late for the 4.2 cycle.

As we had a lot of tools and docs work in this set, I have broken those
out into their own categories in this description.

Fixes from the pull request '4th set of IIO fixes for the 4.2 cycle'.
* Poll functions for both event chardev and the buffer one were returning
  negative error codes (via a positive value).
* A recent change to lsiio adding some error handling that was wrong and
  stopped the tool working.
* bmg160 was missing some dependencies in Kconfig
* berlin2-adc had a misshandled register (wrote a value rather than a bitmap)

New device support
* TI opt3001 light sensor
* TXC PA12 ALS and proximity sensor.
* mcp3301 ADC support (in mcp320x driver)
* ST lsm303agr accelerometer and magnetometer drivers (plus some st-sensors
  common support to allow different WHOAMI register addresses, devices with
  fixed scale and allow interrupt equiped magnetometers).
* ADIS16305, ADIS16367, ADIS16445IMUs (in the adis16400 driver)
* ADIS16266 gyro (in the adis16260 driver)
* ADIS16137 gyro (in the adis16136 driver)

New functionality
* mmc35240 DT bindings.
* Inverse unit conversion macros to aid handing of values written to sysfs
  attributes.

Core cleanup
* Forward declaration of struct iio_trigger to avoid a compile warning.

Driver cleanup / fixes
* mxs-lradc
  - Clarify which parts are supported.
  - Fix spelling erorrs.
  - Missing/extra includes
  - reorder includes
  - add datasheet name listings for all usable channels (to allow them
    to be bound by name from consumer drivers)
* acpi-als - add some function prefixes as per general iio style.
* bmc150_magn - replace a magic value with the existing define.
* vf610 - determine possible sample frequencies taking into account the
  electrical characteristics (defining a minimum sample time)
* dht11
  - whitespace
  - additional docs
  - avoid mulitple assignments in one line
  - Use the new funciton ktime_get_resolution_ns to cleanup a nasty trick
    previously used for timing.
* Fix all drivers that consider 0 a valid IRQ for historical reasons.
* Export I2C module alias info where previously missing (to allow autoprobing)
* Export OF module alias info where previously missing.
* mmc35240 - switch some variables into arrays to improve readability.
* mlx90614 - define some magic numbers for readability.
* bmc150_magn
  - expand area locked by a mutex to cover all the use of the
    data->buffer.
  - use descriptive naming for a mask instead of a magic value.
* berin2-adc
  - pass up an error code rather that a generic error
  - constify the iio_chan_spec
  - some other little tidy ups.
* stk8312
  - fix a dependency on triggered buffers in kconfig
  - add a check for invalid attribute values
  - improve error handling by returning error codes where possible and
    return immediately where relevant
  - rework macro defs to use GENMASK etc
  - change some variable types to reduce unnecessary casting
  - clean up code style
  - drop a local buffer copy for bulk reads and use the one in data->buffer
     instead.
* adis16400 - the adis16448 gyroscope scale was wrong.
* adis16480 - some more wrong scales for various parts.
* adis16300 - has an undocumented product id and serial number registers so
  use them.
* iio_simple_dummy - fix some wrong code indentation.
* bmc150-accel - use the chip ID to detect the chip present rather than
  verifying the expected part was there.  This was in response to a wrong
  ACPI entry on the WinBook TW100.
* mma8452
  - fix _get_hp_filter_index
  - drop a double include
  - pass up an error code rather than rewriting it
  - range check input values to attribute writes
  - register defs tidy up using GENMASK and reordering them to be easier to
    follow.
  - various coding style cleanups
  - put the Kconfig entry in the write place (alphabetically).

Tools related
* Tools cleanup - drop an explicity NULL comparison, some unnecessary braces,
  use the ARRAY_SIZE macro, send error messages to stderr instead of dropping
  them in the middle of normal output.
* Fix tools to allow that scale and offset attributes are optional.
* More tools fixes including allowing true 32bit data (previously an overflow
  prevented more than 31bits)
* Drop a stray header guard that ended up in a c file.
* Make calc_digits static as it isn't exported or in the header.
* Set ci_array pointer to NULL after free as a protection against non safe
  usage of the tools core code.  Also convert a double pointer to a single
  one as the extra level of indirection was unnecessary.

Docs
* DocBook introduction by Daniel Baluta.  Glad we are beginning to
  draw together some more introductory docs to suplement the various
  tools / examples.
* Drop bytes_per_datum sysfs attribute docs as it no longer exists.
* A whole load of missing / fixing of kernel-doc for the core of IIO.
* Document the trigger name sysfs attribute in the ABI docs.
* Minor typos in the ABI docs related to power down modes.
2015-08-12 12:43:41 -07:00
Vladimir Barinov bdb25b0af8 iio: Fix typos in ABI documentation
Fix typos in ABI documentation

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-08 19:27:04 +01:00
Cristina Opriceana 655665d67c iio: Documentation: Add trigger name attribute ABI documentation
This patch adds an entry in ABI Documentation for the name attribute
issued when a trigger is created.

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-08 12:41:47 +01:00
Maxime Ripard 3d0b16a66c nvmem: sunxi: Move the SID driver to the nvmem framework
Now that we have the nvmem framework, we can consolidate the common
driver code. Move the driver to the framework, and hopefully, it will
fix the sysfs file creation race.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
[srinivas.kandagatla: Moved to regmap based EEPROM framework]
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-05 13:44:24 -07:00
Chunyan Zhang cd196ac3fa coresight-etm4x: Change the name of the ctxid_val to ctxid_pid
'ctxid_val' array was used to store the value of ETM context ID comparator
which actually stores the process ID to be traced, so using 'ctxid_pid' as
its name instead make it easier to understand.

This patch also changes the ABI, it is normally not allowed, but
fortunately it is a testing ABI and very new for now. Nevertheless,
if you don't think it should be changed, we could always add an alias
for userspace.

Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-05 13:30:15 -07:00
Chunyan Zhang 414a1417d7 coresight-etm3x: Change the name of the ctxid_val to ctxid_pid
'ctxid_val' array was used to store the value of ETM context ID comparator
which actually stores the process ID to be traced, so using 'ctxid_pid' as
its name instead make it easier to understand.

This patch also changes the ABI, it is normally not allowed, but
fortunately it is a testing ABI and very new for now. Nevertheless,
if you don't think it should be changed, we could always add an alias
for userspace.

Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-05 13:30:15 -07:00
Dexuan Cui 54bf725e5d Drivers: hv: vmbus: document the VMBus sysfs files
The 4 sysfs files should be stable ABIs to the user space.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-05 11:44:29 -07:00
NeilBrown b04b908d8a twl4030_charger: add ac/mode to match usb/mode
This allows AC charging to be turned off, much like usb charging.
"continuous" mode is not available though.

Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-08-05 05:21:57 +02:00
NeilBrown 7f4a633d21 twl4030_charger: add software controlled linear charging mode.
Add a 'continuous' option for usb charging which enables
the "linear" charging mode of the twl4030.

Linear charging does a good job with not-so-reliable power sources.
Auto mode does not work well as it switches off when voltage drops
momentarily.  Care must be taken not to over-charge.

It was used with a bike hub dynamo since a year or so. In that case
there are automatically charging stops when the cyclist needs a break.

Original-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-08-05 05:21:32 +02:00
NeilBrown 22d4c33f73 twl4030_charger: enable manual enable/disable of usb charging.
'off' or 'auto' to

 /sys/class/power/twl4030_usb/mode

will now enable or disable charging from USB port.  Normally this is
enabled on 'plug' and disabled on 'unplug'.
Unplug will still disable charging.  'plug' will only enable it if
'auto' if selected.

Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-08-05 05:20:36 +02:00
NeilBrown aca3c35463 twl4030_charger: allow max_current to be managed via sysfs.
'max_current' sysfs attributes are created which allow the
max to be set.
Whenever a current source changes, the default is restored.
This will be followed by a uevent, so user-space can decide to
update again.

Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-08-05 05:19:44 +02:00
Valentin Rothberg a2e66ad34c Documentation: sysfs-bus-usb: s/CONFIG_PM_RUNTIME/CONFIG_PM/
PM_RUNTIME has been replaced with PM by commit 464ed18ebd ("PM:
Eliminate CONFIG_PM_RUNTIME") hence substitute the reference on
PM_RUNTIME with PM and re-arrange the text to 80 column break.

Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-03 17:17:16 -07:00
Peter Chen 4bc58eb16b Doc: ABI: testing: configfs-usb-gadget-sourcesink
Fix the name of attribute

Cc: <stable@vger.kernel.org>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-07-31 09:02:07 -05:00
Peter Chen 8cd5062682 Doc: ABI: testing: configfs-usb-gadget-loopback
Fix the name of attribute

Cc: <stable@vger.kernel.org>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-07-31 09:02:06 -05:00
Kevin Strasser 655fe4effe usbcore: add sysfs support to xHCI usb3 hardware LPM
Add a sysfs node to make it easier to verify if LPM is supported and being
enabled for USB 3.0 devices.

Signed-off-by: Kevin Strasser <kevin.strasser@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-07-22 15:45:03 -07:00
Greg Kroah-Hartman ed15e8880f Merge 4.2-rc3 into staging-next
We need the staging fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-07-20 13:21:28 -07:00
Cristina Opriceana 1dcafd3aeb iio: Documentation: Remove bytes_per_datum attribute
Remove sysfs bytes_per_datum device attribute ABI documentation
since the attribute is not present anymore.

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-07-19 10:28:45 +01:00
Greg Kroah-Hartman e913bfb60b First round of new drivers, cleanups and functionality for IIO in the 4.3 cycle.
Core and tools new stuff
 * Allow explicit flush of hardware fifo by using an non blocking read.
   This is needed to support some of the Android requirements for HW fifo
   devices - also makes sense generally and clarifies a corner of the ABI.
 * Add some missing modifier names.  Mostly these exist for weird and
   wonderful event types, but should still be present in the name array.
 * Update iio_event_monitor to cope with new channel types.
 * generic_buffer gains support for single byte scan elements (no idea
   how this never got implemented before!)
 
 New device support
 * ROHM rpr0521 light and proximity sensor driver.
 * bmc150 gains bmc156 support.
 * ms5611 gains ms5607 temperature and pressure sensor support.
 
 Driver functionality
 * inv-mpu - add scale_available attributes to aid userspace in
   configuring these devices.
 * isl29125 - add scale_available attributes.
 * stk8ba50 - sampling frequency control, triggered buffer support.
 * stk8312 - sampling frequency control, triggered buffer support.
 * cc10001 - ensure ADC powered up at probe time if shared by non linux
   running CPUs.
 * bmc150-magn - decouple the buffer and trigger allowing other triggers
   to be used to drive this device's sampling.
 Documentation
 * Add some previously missed *scale_available attributes to the ABI docs.
 
 Cleanups
 * Clarify some crazy naming in iio_triggered_buffer_setup that seems to
   have somehow ended up backwards (dates back a long way).  Avoid the top
   half and bottom half naming entirely given we are how dealing with a
   handler and a thread in all cases.
 * Tools cleanup including coding style, variable naming improvements, also
   a new sanity check on a full event having been read.
 * stk8ba50 - replace the scale table with a struct for clarity. Also suspend
   the sensor if an error occurs in init.
 * hid-sensor-prox - drop uneeded line break.
 * mma9551 - use size in words for word read / write avoiding accidental
   sending of an odd number of bytes.
 * mma9553 - fix code alignment and document the use of a mutex.
 * light/Kconfig - typo fix in commment.
 * cm3323 - don't eat an error value, replace an unneeded local variable with
   a generic local variable with the same use, add some blank lines for clarity.
 * pressure/Kconfig - typo in Measurement Specialties name.
 * bmc150-accel - actually use a mask definition rather than repeating the
   value inline, code style cleanup.
 * adc/Kconfig - general help description cleanup.
 * ssp_sensors - drop redundant spi driver bus initialization (done in the
   spi core)
 * tmp006 - use genmask rather than hand generated masks.
 * ms5611 - drop IIO_CHAN_INFO_SCALE as this driver provides a processed
   output and as such the read only scale adds nothing useful.
 * kxcjk-1013, adf4350, dummy - drop unwanted blank lines.
 * Drop all owner assignments from i2c_drivers and this is done in the
   i2c core.
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Merge tag 'iio-for-4.3a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First round of new drivers, cleanups and functionality for IIO in the 4.3 cycle.

Core and tools new stuff
* Allow explicit flush of hardware fifo by using an non blocking read.
  This is needed to support some of the Android requirements for HW fifo
  devices - also makes sense generally and clarifies a corner of the ABI.
* Add some missing modifier names.  Mostly these exist for weird and
  wonderful event types, but should still be present in the name array.
* Update iio_event_monitor to cope with new channel types.
* generic_buffer gains support for single byte scan elements (no idea
  how this never got implemented before!)

New device support
* ROHM rpr0521 light and proximity sensor driver.
* bmc150 gains bmc156 support.
* ms5611 gains ms5607 temperature and pressure sensor support.

Driver functionality
* inv-mpu - add scale_available attributes to aid userspace in
  configuring these devices.
* isl29125 - add scale_available attributes.
* stk8ba50 - sampling frequency control, triggered buffer support.
* stk8312 - sampling frequency control, triggered buffer support.
* cc10001 - ensure ADC powered up at probe time if shared by non linux
  running CPUs.
* bmc150-magn - decouple the buffer and trigger allowing other triggers
  to be used to drive this device's sampling.
Documentation
* Add some previously missed *scale_available attributes to the ABI docs.

Cleanups
* Clarify some crazy naming in iio_triggered_buffer_setup that seems to
  have somehow ended up backwards (dates back a long way).  Avoid the top
  half and bottom half naming entirely given we are how dealing with a
  handler and a thread in all cases.
* Tools cleanup including coding style, variable naming improvements, also
  a new sanity check on a full event having been read.
* stk8ba50 - replace the scale table with a struct for clarity. Also suspend
  the sensor if an error occurs in init.
* hid-sensor-prox - drop uneeded line break.
* mma9551 - use size in words for word read / write avoiding accidental
  sending of an odd number of bytes.
* mma9553 - fix code alignment and document the use of a mutex.
* light/Kconfig - typo fix in commment.
* cm3323 - don't eat an error value, replace an unneeded local variable with
  a generic local variable with the same use, add some blank lines for clarity.
* pressure/Kconfig - typo in Measurement Specialties name.
* bmc150-accel - actually use a mask definition rather than repeating the
  value inline, code style cleanup.
* adc/Kconfig - general help description cleanup.
* ssp_sensors - drop redundant spi driver bus initialization (done in the
  spi core)
* tmp006 - use genmask rather than hand generated masks.
* ms5611 - drop IIO_CHAN_INFO_SCALE as this driver provides a processed
  output and as such the read only scale adds nothing useful.
* kxcjk-1013, adf4350, dummy - drop unwanted blank lines.
* Drop all owner assignments from i2c_drivers and this is done in the
  i2c core.
2015-07-15 12:32:09 -07:00
Greg Kroah-Hartman a732cd437b First set of IIO fixes for the 4.2 cycle.
* Fix a regression in hid sensors suspend time as a result of adding runtime
   pm.  The normal flow of waking up devices in order to go into suspend
   (given the devices are normally suspended when not reading) to a regression
   in suspend time on some laptops (reports of an additional 8 seconds).
   Fix this by checking to see if a user action resulting in the wake up, and
   make it a null operation if it didn't.  Note that for hid sensors, there is
   nothing useful to be done when moving into a full suspend from a runtime
   suspend so they might as well be left alone.
 * rochip_saradc: fix some missing MODULE_* data including the licence so that
   the driver does not taint the kernel incorrectly and can build as a module.
 * twl4030 - mark irq as oneshot as it always should have been.
 * inv-mpu - write formats for attributes not specified, leading to miss
   interpretation of the gyro scale channel when written.
 * Proximity ABI clarification.  This had snuck through as a mess.  Some
   drivers thought proximity went in one direction, some the other.  We went
   with the most common option, documented it and fixed up the drivers going
   the other way.  Fix for sx9500 included in this set.
 * ad624r - fix a wrong shift in the output data.
 * at91_adc - remove a false limit on the value of the STARTUP register
   applied by too small a type for the device tree parameter.
 * cm3323 - clear the bits when setting the integration time (otherwise
   we can only ever set more bits in the relevant field).
 * bmc150-accel - multiple triggers are registered, but on error were not being
   unwound in the opposite order leading to removal of triggers that had not
   yet successfully been registered (count down instead of up when unwinding).
 * tcs3414 - ensure right part of val / val2 pair read so that the integration
   time is not always 0.
 * cc10001_adc - bug in kconfig dependency. Use of OR when AND was intended.
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Merge tag 'iio-fixes-for-4.2a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First set of IIO fixes for the 4.2 cycle.

* Fix a regression in hid sensors suspend time as a result of adding runtime
  pm.  The normal flow of waking up devices in order to go into suspend
  (given the devices are normally suspended when not reading) to a regression
  in suspend time on some laptops (reports of an additional 8 seconds).
  Fix this by checking to see if a user action resulting in the wake up, and
  make it a null operation if it didn't.  Note that for hid sensors, there is
  nothing useful to be done when moving into a full suspend from a runtime
  suspend so they might as well be left alone.
* rochip_saradc: fix some missing MODULE_* data including the licence so that
  the driver does not taint the kernel incorrectly and can build as a module.
* twl4030 - mark irq as oneshot as it always should have been.
* inv-mpu - write formats for attributes not specified, leading to miss
  interpretation of the gyro scale channel when written.
* Proximity ABI clarification.  This had snuck through as a mess.  Some
  drivers thought proximity went in one direction, some the other.  We went
  with the most common option, documented it and fixed up the drivers going
  the other way.  Fix for sx9500 included in this set.
* ad624r - fix a wrong shift in the output data.
* at91_adc - remove a false limit on the value of the STARTUP register
  applied by too small a type for the device tree parameter.
* cm3323 - clear the bits when setting the integration time (otherwise
  we can only ever set more bits in the relevant field).
* bmc150-accel - multiple triggers are registered, but on error were not being
  unwound in the opposite order leading to removal of triggers that had not
  yet successfully been registered (count down instead of up when unwinding).
* tcs3414 - ensure right part of val / val2 pair read so that the integration
  time is not always 0.
* cc10001_adc - bug in kconfig dependency. Use of OR when AND was intended.
2015-07-13 14:18:07 -07:00
Linus Torvalds 05fde26a94 platform-drivers-x86 got 4.2
asus-wmi: Fan control
 dell*: Add Dell airplane mode switch driver
 ideapad-laptop: Platform rfkill fixes, and regression fix
 pvpanic: Handle missing _STA correctly
 toshiba*: Rafactor bluetooth support, haps documentation, driver cleanup
 other: Use acpi_video_unregister_backlight instead of acpi_video_unregister in
        serveral drivers.
        Orphan msi-wmi.
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Merge tag 'platform-drivers-x86-v4.2-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x86 platform driver updates from Darren Hart:
 "Fairly routine update for platform-drivers-x86.

  Mostly fixes and cleanups, with a significant refactoring of toshiba*
  drivers.  Includes the addition of the dell-rbtn driver.

  Details:

  asus-wmi:
   - fan control

  dell*:
   - add Dell airplane mode switch driver

  ideapad-laptop:
   - platform rfkill fixes, and regression fix

  pvpanic:
   - handle missing _STA correctly

  toshiba*:
   - rafactor bluetooth support
   - haps documentation
   - driver cleanup

  other:
   - Use acpi_video_unregister_backlight instead of
     acpi_video_unregister in serveral drivers.
   - Orphan msi-wmi.

* tag 'platform-drivers-x86-v4.2-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (24 commits)
  MAINTAINERS: Orphan x86 driver msi-wmi
  ideapad: fix software rfkill setting
  dell-laptop: Use dell-rbtn instead i8042 filter when possible
  dell-rbtn: Export notifier for other kernel modules
  dell-rbtn: Dell Airplane Mode Switch driver
  samsung-laptop: Use acpi_video_unregister_backlight instead of acpi_video_unregister
  asus-wmi: Use acpi_video_unregister_backlight instead of acpi_video_unregister
  apple_gmux: Use acpi_video_unregister_backlight instead of acpi_video_unregister
  pvpanic: handle missing _STA correctly
  ideapad_laptop: Lenovo G50-30 fix rfkill reports wireless blocked
  asus-wmi: add fan control
  Documentation/ABI: Add file describing the sysfs entries for toshiba_haps
  toshiba_haps: Make use of DEVICE_ATTR_{RW, WO} macros
  toshiba_haps: Replace sscanf with kstrtoint
  toshiba_acpi: Bump driver version to 0.22
  toshiba_acpi: Remove TOS_FAILURE check from some functions
  toshiba_acpi: Comments cleanup
  toshiba_acpi: Rename hci_{read, write}1 functions
  toshiba_acpi: Remove no longer needed hci_{read, write}2 functions
  toshiba_bluetooth: Change BT status message to debug
  ...
2015-07-01 18:55:34 -07:00