This pull includes driver updates from the usual suspects (bfa, arcmsr,
scsi_dh_alua, lpfc, storvsc, cxlflash). The major change is the addition of
the hisi_sas driver, which is an ARM platform device for SAS. The other
change of note is an enormous style transformation to the atp870u driver
(which is our worst written SCSI driver).
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull first round of SCSI updates from James Bottomley:
"This includes driver updates from the usual suspects (bfa, arcmsr,
scsi_dh_alua, lpfc, storvsc, cxlflash).
The major change is the addition of the hisi_sas driver, which is an
ARM platform device for SAS. The other change of note is an enormous
style transformation to the atp870u driver (which is our worst written
SCSI driver)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (169 commits)
cxlflash: Enable device id for future IBM CXL adapter
cxlflash: Resolve oops in wait_port_offline
cxlflash: Fix to resolve cmd leak after host reset
cxlflash: Removed driver date print
cxlflash: Fix to avoid virtual LUN failover failure
cxlflash: Fix to escalate LINK_RESET also on port 1
storvsc: Tighten up the interrupt path
storvsc: Refactor the code in storvsc_channel_init()
storvsc: Properly support Fibre Channel devices
storvsc: Fix a bug in the layout of the hv_fc_wwn_packet
mvsas: Add SGPIO support to Marvell 94xx
mpt3sas: A correction in unmap_resources
hpsa: Add box and bay information for enclosure devices
hpsa: Change SAS transport devices to bus 0.
hpsa: fix path_info_show
cciss: print max outstanding commands as a hex value
scsi_debug: Increase the reported optimal transfer length
lpfc: Update version to 11.0.0.10 for upstream patch set
lpfc: Use kzalloc instead of kmalloc
lpfc: Delete unnecessary checks before the function call "mempool_destroy"
...
Pull s390 updates from Martin Schwidefsky:
"Among the traditional bug fixes and cleanups are some improvements:
- A tool to generated the facility lists, generating the bit fields
by hand has been a source of bugs in the past
- The spinlock loop is reordered to avoid bursts of hypervisor calls
- Add support for the open-for-business interface to the service
element
- The get_cpu call is added to the vdso
- A set of tracepoints is defined for the common I/O layer
- The deprecated sclp_cpi module is removed
- Update default configuration"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (56 commits)
s390/sclp: fix possible control register corruption
s390: fix normalization bug in exception table sorting
s390/configs: update default configurations
s390/vdso: optimize getcpu system call
s390: drop smp_mb in vdso_init
s390: rename struct _lowcore to struct lowcore
s390/mem_detect: use unsigned longs
s390/ptrace: get rid of long longs in psw_bits
s390/sysinfo: add missing SYSIB 1.2.2 multithreading fields
s390: get rid of CONFIG_SCHED_MC and CONFIG_SCHED_BOOK
s390/Kconfig: remove pointless 64 bit dependencies
s390/dasd: fix failfast for disconnected devices
s390/con3270: testing return kzalloc retval
s390/hmcdrv: constify hmcdrv_ftp_ops structs
s390/cio: add NULL test
s390/cio: Change I/O instructions from inline to normal functions
s390/cio: Introduce common I/O layer tracepoints
s390/cio: Consolidate inline assemblies and related data definitions
s390/cio: Fix incorrect xsch opcode specification
s390/cio: Remove unused inline assemblies
...
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Merge tag 'media/v4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull second batch of media updates from Mauro Carvalho Chehab:
"This is the second part of the media patches. It contains the media
controller next generation patches, with is the result of one year of
discussions and development. It also contains patches to enable media
controller support at the DVB subsystem.
The goal is to improve the media controller to allow proper support
for other types of Video4Linux devices (radio and TV ones) and to
extend the media controller functionality to allow it to be used by
other subsystems like DVB, ALSA and IIO.
In order to use the new functionality, a new ioctl is needed
(MEDIA_IOC_G_TOPOLOGY). As we're still discussing how to pack the
struct fields of this ioctl in order to avoid compat32 issues, I
decided to add a patch at the end of this series commenting out the
new ioctl, in order to postpone the addition of the new ioctl to the
next Kernel version (4.6).
With that, no userspace visible changes should happen at the media
controller API, as the existing ioctls are untouched. Yet, it helps
DVB, ALSA and IIO developers to develop and test the patches adding
media controller support there, as the core will contain all required
internal changes to allow adding support for devices that belong to
those subsystems"
* tag 'media/v4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (177 commits)
[media] Postpone the addition of MEDIA_IOC_G_TOPOLOGY
[media] mxl111sf: Add a tuner entity
[media] dvbdev: create links on devices with multiple frontends
[media] media-entitiy: add a function to create multiple links
[media] dvb-usb-v2: postpone removal of media_device
[media] dvbdev: Add RF connector if needed
[media] dvbdev: remove two dead functions if !CONFIG_MEDIA_CONTROLLER_DVB
[media] call media_device_init() before registering the V4L2 device
[media] uapi/media.h: Use u32 for the number of graph objects
[media] media-entity: don't sleep at media_device_register_entity()
[media] media-entity: increase max number of PADs
[media] media-entity.h: document the remaining functions
[media] media-device.h: use just one u32 counter for object ID
[media] media-entity.h fix documentation for several parameters
[media] DocBook: document media_entity_graph_walk_cleanup()
[media] move documentation to the header files
[media] media: Move MEDIA_ENTITY_MAX_PADS from media-entity.h to media-entity.c
[media] media: Remove pre-allocated entity enumeration bitmap
[media] staging: v4l: davinci_vpbe: Use the new media graph walk interface
[media] staging: v4l: omap4iss: Use the new media graph walk interface
...
A quiet release for SPI, not even many driver updates:
- Add a dummy loopback driver for use in exercising framework features
during development.
- Move the test utilities to tools/ and add support for transferring
data to and from a file instead of stdin and stdout to spidev_test.
- Support for Mediatek MT2701 and Renesas AG5 deices.
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Merge tag 'spi-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A quiet release for SPI, not even many driver updates:
- Add a dummy loopback driver for use in exercising framework
features during development.
- Move the test utilities to tools/ and add support for transferring
data to and from a file instead of stdin and stdout to spidev_test.
- Support for Mediatek MT2701 and Renesas AG5 deices"
* tag 'spi-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (69 commits)
spi: loopback: fix typo in MODULE_PARM_DESC
spi: sun4i: Prevent chip-select from being activated twice before a transfer
spi: loopback-test: spi_check_rx_ranges can get always done
spi: loopback-test: rename method spi_test_fill_tx to spi_test_fill_pattern
spi: loopback-test: write rx pattern also when running without tx_buf
spi: fsl-espi: expose maximum transfer size limit
spi: expose master transfer size limitation.
spi: zynq: use to_platform_device()
spi: cadence: use to_platform_device()
spi: mediatek: Add spi support for mt2701 IC
spi: mediatek: merge all identical compat to mtk_common_compat
spi: mtk: Add bindings for mediatek MT2701 soc platform
spi: mediatek: Prevent overflows in FIFO transfers
spi: s3c64xx: Remove unused platform_device_id entries
spi: use to_spi_device
spi: dw: Use SPI_TMOD_TR rather than magic const 0 to set tmode
spi: imx: defer spi initialization, if DMA engine is
spi: imx: return error from dma channel request
spi: imx: enable loopback only for ECSPI controller family
spi: imx: fix loopback mode setup after controller reset
...
Generic MTD
* populate the MTD device 'of_node' field (and get a proper 'of_node' symlink
in sysfs)
- This yielded some new helper functions, and changes across a variety of
drivers
* partitioning cleanups, to prepare for better device-tree based partitioning
in the future
- Eliminate a lot of boilerplate for drivers that want to use OF-based
partition parsing
- The DT bindings for this didn't settle yet, so most non-cleanup portions
are deferred for a future release
NAND
* embed a struct mtd_info inside struct nand_chip
- This is really long overdue; too many drivers have to do the same silly
boilerplate to allocate and link up two "independent" structs, when in
fact, everyone is assuming there is an exact 1:1 relationship between a
NAND chips struct and its underlying MTD. This aids improved helpers and
should make certain abstractions easier in the future.
- Also causes a lot of churn, helped along by some automated code
transformations
* add more core support for detecting (and "correcting") bitflips in erased
pages; requires opt-in by drivers, but at least we kill a few bad
implementations and hopefully stave off future ones
* pxa3xx_nand: cleanups, a few fixes, and PM improvements
* new JZ4780 NAND driver
SPI NOR
* provide default erase function, for controllers that just want to send the
SECTOR_ERASE command directly
* fix some module auto-loading issues with device tree ("jedec,spi-nor")
* error handling fixes
* new Mediatek QSPI flash driver
Other
* cfi: force valid geometry Kconfig (finally!)
- this one used to trip up randconfigs occasionally, since bots aren't
deterred by big scary "advanced configuration" menus
More? Probably. See the commit logs.
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Merge tag 'for-linus-20160112' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris:
"Generic MTD:
- populate the MTD device 'of_node' field (and get a proper 'of_node'
symlink in sysfs)
This yielded some new helper functions, and changes across a
variety of drivers
- partitioning cleanups, to prepare for better device-tree based
partitioning in the future
Eliminate a lot of boilerplate for drivers that want to use
OF-based partition parsing
The DT bindings for this didn't settle yet, so most non-cleanup
portions are deferred for a future release
NAND:
- embed a struct mtd_info inside struct nand_chip
This is really long overdue; too many drivers have to do the same
silly boilerplate to allocate and link up two "independent"
structs, when in fact, everyone is assuming there is an exact 1:1
relationship between a NAND chips struct and its underlying MTD.
This aids improved helpers and should make certain abstractions
easier in the future.
Also causes a lot of churn, helped along by some automated code
transformations
- add more core support for detecting (and "correcting") bitflips in
erased pages; requires opt-in by drivers, but at least we kill a
few bad implementations and hopefully stave off future ones
- pxa3xx_nand: cleanups, a few fixes, and PM improvements
- new JZ4780 NAND driver
SPI NOR:
- provide default erase function, for controllers that just want to
send the SECTOR_ERASE command directly
- fix some module auto-loading issues with device tree
("jedec,spi-nor")
- error handling fixes
- new Mediatek QSPI flash driver
Other:
- cfi: force valid geometry Kconfig (finally!)
This one used to trip up randconfigs occasionally, since bots
aren't deterred by big scary "advanced configuration" menus
More? Probably. See the commit logs"
* tag 'for-linus-20160112' of git://git.infradead.org/linux-mtd: (168 commits)
mtd: jz4780_nand: replace if/else blocks with switch/case
mtd: nand: jz4780: Update ecc correction error codes
mtd: nandsim: use nand_get_controller_data()
mtd: jz4780_nand: remove useless mtd->priv = chip assignment
staging: mt29f_spinand: make use of nand_set/get_controller_data() helpers
mtd: nand: make use of nand_set/get_controller_data() helpers
ARM: make use of nand_set/get_controller_data() helpers
mtd: nand: add helpers to access ->priv
mtd: nand: jz4780: driver for NAND devices on JZ4780 SoCs
mtd: nand: jz4740: remove custom 'erased check' implementation
mtd: nand: diskonchip: remove custom 'erased check' implementation
mtd: nand: davinci: remove custom 'erased check' implementation
mtd: nand: use nand_check_erased_ecc_chunk in default ECC read functions
mtd: nand: return consistent error codes in ecc.correct() implementations
doc: dt: mtd: new binding for jz4780-{nand,bch}
mtd: cfi_cmdset_0001: fixing memory leak and handling failed kmalloc
mtd: spi-nor: wait until lock/unlock operations are ready
mtd: tests: consolidate kmalloc/memset 0 call to kzalloc
jffs2: use to_delayed_work
mtd: nand: assign reasonable default name for NAND drivers
...
Pull input updates from Dmitry Torokhov:
- new driver for eGalaxTouch serial touchscreen
- new driver for TS-4800 touchscreen
- an update for Goodix touchscreen driver
- PS/2 mouse module was reworked to limit number of protocols we try on
pass-through ports to speed up their detection time
- wacom_w8001 touchscreen driver now reports pen and touch via separate
instances of input devices
- other driver changes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (42 commits)
Input: elantech - mark protocols v2 and v3 as semi-mt
Input: wacom_w8001 - drop use of ABS_MT_TOOL_TYPE
Input: gpio-keys - fix check for disabling unsupported keys
Input: omap-keypad - remove dead check
Input: ti_am335x_tsc - fix HWPEN interrupt handling
Input: omap-keypad - set tasklet data earlier
Input: rohm_bu21023 - fix handling of retrying firmware update
Input: ALPS - report v3 pinnacle trackstick device only if is present
Input: ALPS - detect trackstick presence for v7 protocol
Input: pcap_ts - use to_delayed_work
Input: bma150 - constify bma150_cfg structure
Input: i8042 - add Fujitsu Lifebook U745 to the nomux list
Input: egalax_ts_serial - fix potential NULL dereference on error
Input: uinput - sanity check on ff_effects_max and EV_FF
Input: uinput - rework ABS validation
Input: uinput - add new UINPUT_DEV_SETUP and UI_ABS_SETUP ioctl
Input: goodix - use "inverted_[xy]" flags instead of "rotated_screen"
Input: goodix - add axis swapping and axis inversion support
Input: goodix - use goodix_i2c_write_u8 instead of i2c_master_send
Input: goodix - add power management support
...
This round we have few new features, new driver and updates to few drivers.
The new features to dmaengine core are:
- Synchronized transfer termination API to terminate the dmaengine
transfers in synchronized and async fashion as required by users.
We have its user now in ALSA dmaengine lib, img, at_xdma, axi_dmac
drivers.
- Universal API for channel request and start consolidation of request
flows. It's user is ompa-dma driver.
- Introduce reuse of descriptors and use in pxa_dma driver
Add/Remove:
- STM32 DMA driver
- Removal of unused R-Car HPB-DMAC driver
Updates:
- ti-dma-crossbar updates for supporting eDMA
- tegra-apb pm updates
- idma64
- mv_xor updates
- ste_dma updates
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Merge tag 'dmaengine-4.5-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This round we have few new features, new driver and updates to few
drivers.
The new features to dmaengine core are:
- Synchronized transfer termination API to terminate the dmaengine
transfers in synchronized and async fashion as required by users.
We have its user now in ALSA dmaengine lib, img, at_xdma, axi_dmac
drivers.
- Universal API for channel request and start consolidation of
request flows. It's user is ompa-dma driver.
- Introduce reuse of descriptors and use in pxa_dma driver
Add/Remove:
- New STM32 DMA driver
- Removal of unused R-Car HPB-DMAC driver
Updates:
- ti-dma-crossbar updates for supporting eDMA
- tegra-apb pm updates
- idma64
- mv_xor updates
- ste_dma updates"
* tag 'dmaengine-4.5-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (54 commits)
dmaengine: mv_xor: add suspend/resume support
dmaengine: mv_xor: de-duplicate mv_chan_set_mode*()
dmaengine: mv_xor: remove mv_xor_chan->current_type field
dmaengine: omap-dma: Add support for DMA filter mapping to slave devices
dmaengine: edma: Add support for DMA filter mapping to slave devices
dmaengine: core: Introduce new, universal API to request a channel
dmaengine: core: Move and merge the code paths using private_candidate
dmaengine: core: Skip mask matching when it is not provided to private_candidate
dmaengine: mdc: Correct terminate_all handling
dmaengine: edma: Add probe callback to edma_tptc_driver
dmaengine: dw: fix potential memory leak in dw_dma_parse_dt()
dmaengine: stm32-dma: Fix unchecked deference of chan->desc
dmaengine: sh: Remove unused R-Car HPB-DMAC driver
dmaengine: usb-dmac: Document SoC specific compatibility strings
ste_dma40: Delete an unnecessary variable initialisation in d40_probe()
ste_dma40: Delete another unnecessary check in d40_probe()
ste_dma40: Delete an unnecessary check before the function call "kmem_cache_destroy"
dmaengine: tegra-apb: Free interrupts before killing tasklets
dmaengine: tegra-apb: Update driver to use GFP_NOWAIT
dmaengine: tegra-apb: Only save channel state for those in use
...
Here's the big set of char/misc patches for 4.5-rc1.
Nothing major, lots of different driver subsystem updates, 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 'char-misc-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH:
"Here's the big set of char/misc patches for 4.5-rc1.
Nothing major, lots of different driver subsystem updates, full
details in the shortlog. All of these have been in linux-next for a
while"
* tag 'char-misc-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (71 commits)
mei: fix fasync return value on error
parport: avoid assignment in if
parport: remove unneeded space
parport: change style of NULL comparison
parport: remove unnecessary out of memory message
parport: remove braces
parport: quoted strings should not be split
parport: code indent should use tabs
parport: fix coding style
parport: EXPORT_SYMBOL should follow function
parport: remove trailing white space
parport: fix a trivial typo
coresight: Fix a typo in Kconfig
coresight: checking for NULL string in coresight_name_match()
Drivers: hv: vmbus: Treat Fibre Channel devices as performance critical
Drivers: hv: utils: fix hvt_op_poll() return value on transport destroy
Drivers: hv: vmbus: fix the building warning with hyperv-keyboard
extcon: add Maxim MAX3355 driver
Drivers: hv: ring_buffer: eliminate hv_ringbuffer_peek()
Drivers: hv: remove code duplication between vmbus_recvpacket()/vmbus_recvpacket_raw()
...
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
...
Here is the big serial/tty driver updates for 4.5-rc1. Lots of driver
updates and some tty core changes. All of these have been in linux-next
and the details are in the shortlog.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the big serial/tty driver update for 4.5-rc1.
Lots of driver updates and some tty core changes. All of these have
been in linux-next and the details are in the shortlog"
* tag 'tty-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (127 commits)
drivers/tty/serial: delete unused MODULE_DEVICE_TABLE from atmel_serial.c
serial: sh-sci: Remove cpufreq notifier to fix crash/deadlock
serial: 8250: of: Fix the driver and actually compile the 8250_of
tty: amba-pl011: use iotype instead of access_32b to track 32-bit I/O
tty: amba-pl011: fix earlycon register offsets
serial: sh-sci: Drop the sci_fck clock fallback
sh: sh7734: Correct SCIF type for BRG
sh: Remove sci_ick clock alias
sh: Rename sci_ick and sci_fck clock to fck
serial: sh-sci: Add support for optional BRG on (H)SCIF
serial: sh-sci: Add support for optional external (H)SCK input
serial: sh-sci: Prepare for multiple sampling clock sources
serial: sh-sci: Correct SCIF type on R-Car for BRG
serial: sh-sci: Correct SCIF type on RZ/A1H
serial: sh-sci: Replace struct sci_port_info by type/regtype encoding
serial: sh-sci: Add BRG register definitions
serial: sh-sci: Take into account sampling rate for max baud rate
serial: sh-sci: Merge sci_scbrr_calc() and sci_baud_calc_hscif()
serial: sh-sci: Avoid calculating the receive margin for HSCIF
serial: sh-sci: Improve bit rate error calculation for HSCIF
...
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
...
Allow specifying name if input device via device tree property. This helps
userspace code to get name and perform proper event to key mapping in some
cases (for example, on Android).
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
- Add a debugfs-based interface for interacting with the ACPICA's
AML debugger introduced in the previous cycle and a new user
space tool for that, fix some bugs related to the AML debugger
and clean up the code in question (Lv Zheng, Dan Carpenter,
Colin Ian King, Markus Elfring).
- Update ACPICA to upstream revision 20151218 including a number
of fixes and cleanups in the ACPICA core (Bob Moore, Lv Zheng,
Labbe Corentin, Prarit Bhargava, Colin Ian King, David E Box,
Rafael Wysocki).
In particular, the previously added erroneous support for the
_SUB object is dropped, the concatenate operator will support
all ACPI objects now, the Debug Object handling is improved,
the SuperName handling of parameters being control methods is
fixed, the ObjectType operator handling is updated to follow
ACPI 5.0A and the handling of CondRefOf and RefOf is updated
accordingly, module-level code will be executed after loading
each ACPI table now (instead of being run once after all tables
containing AML have been loaded), the Operation Region handlers
management is updated to fix some reported problems and a the
ACPICA code in the kernel is more in line with the upstream
now.
- Update the ACPI backlight driver to provide information on
whether or not it will generate key-presses for brightness
change hotkeys and update some platform drivers (dell-wmi,
thinkpad_acpi) to use that information to avoid sending double
key-events to users pace for these, add new ACPI backlight
quirks (Hans de Goede, Aaron Lu, Adrien Schildknecht).
- Improve the ACPI handling of interrupt GPIOs (Christophe Ricard).
- Fix the handling of the list of device IDs of device objects
found in the ACPI namespace and add a helper for checking if
there is a device object for a given device ID (Lukas Wunner).
- Change the logic in the ACPI namespace scanning code to create
struct acpi_device objects for all ACPI device objects found in
the namespace even if _STA fails for them which helps to avoid
device enumeration problems on Microsoft Surface 3 (Aaron Lu).
- Add support for the APM X-Gene ACPI I2C device to the ACPI
driver for AMD SoCs (Loc Ho).
- Fix the long-standing issue with the DMA controller on Intel
SoCs where ACPI tables have no power management support for
the DMA controller itself, but it can be powered off automatically
when the last (other) device on the SoC is powered off via ACPI
and clean up the ACPI driver for Intel SoCs (acpi-lpss) after
previous attempts to fix that problem (Andy Shevchenko).
- Assorted ACPI fixes and cleanups (Andy Lutomirski, Colin Ian King,
Javier Martinez Canillas, Ken Xue, Mathias Krause, Rafael Wysocki,
Sinan Kaya).
- Update the device properties framework for better handling of
built-in properties, add support for built-in properties to
the platform bus type, update the MFD subsystem's handling
of device properties and add support for passing default
configuration data as device properties to the intel-lpss MFD
drivers, convert the designware I2C driver to use the unified
device properties API and add a fallback mechanism for using
default built-in properties if the platform firmware fails
to provide the properties as expected by drivers (Andy Shevchenko,
Mika Westerberg, Heikki Krogerus, Andrew Morton).
- Add new Device Tree bindings to the Operating Performance Points
(OPP) framework and update the exynos4412 DT binding accordingly,
introduce debugfs support for the OPP framework (Viresh Kumar,
Bartlomiej Zolnierkiewicz).
- Migrate the mt8173 cpufreq driver to the new OPP bindings
(Pi-Cheng Chen).
- Update the cpufreq core to make the handling of governors
more efficient, especially on systems where policy objects
are shared between multiple CPUs (Viresh Kumar, Rafael Wysocki).
- Fix cpufreq governor handling on configurations with
CONFIG_HZ_PERIODIC set (Chen Yu).
- Clean up the cpufreq core code related to the boost sysfs knob
support and update the ACPI cpufreq driver accordingly (Rafael
Wysocki).
- Add a new cpufreq driver for ST platforms and corresponding
Device Tree bindings (Lee Jones).
- Update the intel_pstate driver to allow the P-state selection
algorithm used by it to depend on the CPU ID of the processor it
is running on, make it use a special P-state selection algorithm
(with an IO wait time compensation tweak) on Atom CPUs based on
the Airmont and Silvermont cores so as to reduce their energy
consumption and improve intel_pstate documentation (Philippe
Longepe, Srinivas Pandruvada).
- Update the cpufreq-dt driver to support registering cooling
devices that use the (P * V^2 * f) dynamic power draw formula
where V is the voltage, f is the frequency and P is a constant
coefficient provided by Device Tree and update the arm_big_little
cpufreq driver to use that support (Punit Agrawal).
- Assorted cpufreq driver (cpufreq-dt, qoriq, pcc-cpufreq,
blackfin-cpufreq) updates (Andrzej Hajda, Hongtao Jia,
Jacob Tanenbaum, Markus Elfring).
- cpuidle core tweaks related to polling and measured_us
calculation (Rik van Riel).
- Removal of modularity from a few cpuidle drivers (clps711x,
ux500, exynos) that cannot be built as modules in practice
(Paul Gortmaker).
- PM core update to prevent devices from being probed during
system suspend/resume which is generally problematic and may
lead to inconsistent behavior (Grygorii Strashko).
- Assorted updates of the PM core and related code (Julia Lawall,
Manuel Pégourié-Gonnard, Maruthi Bayyavarapu, Rafael Wysocki,
Ulf Hansson).
- PNP bus type updates (Christophe Le Roy, Heiner Kallweit).
- PCI PM code cleanups (Jarkko Nikula, Julia Lawall).
- cpupower tool updates (Jacob Tanenbaum, Thomas Renninger).
/
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Merge tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull oower management and ACPI updates from Rafael Wysocki:
"As far as the number of commits goes, ACPICA takes the lead this time,
followed by cpufreq and the device properties framework changes.
The most significant new feature is the debugfs-based interface to the
ACPICA's AML debugger added in the previous cycle and a new user space
tool for accessing it.
On the cpufreq front, the core is updated to handle governors more
efficiently, particularly on systems where a single cpufreq policy
object is shared between multiple CPUs, and there are quite a few
changes in drivers (intel_pstate, cpufreq-dt etc).
The device properties framework is updated to handle built-in (ie
included in the kernel itself) device properties better, among other
things by adding a fallback mechanism that will allow drivers to
provide default properties to be used in case the plaform firmware
doesn't provide the properties expected by them.
The Operating Performance Points (OPP) framework gets new DT bindings
and debugfs support.
A new cpufreq driver for ST platforms is added and the ACPI driver for
AMD SoCs will now support the APM X-Gene ACPI I2C device.
The rest is mostly fixes and cleanups all over.
Specifics:
- Add a debugfs-based interface for interacting with the ACPICA's AML
debugger introduced in the previous cycle and a new user space tool
for that, fix some bugs related to the AML debugger and clean up
the code in question (Lv Zheng, Dan Carpenter, Colin Ian King,
Markus Elfring).
- Update ACPICA to upstream revision 20151218 including a number of
fixes and cleanups in the ACPICA core (Bob Moore, Lv Zheng, Labbe
Corentin, Prarit Bhargava, Colin Ian King, David E Box, Rafael
Wysocki).
In particular, the previously added erroneous support for the _SUB
object is dropped, the concatenate operator will support all ACPI
objects now, the Debug Object handling is improved, the SuperName
handling of parameters being control methods is fixed, the
ObjectType operator handling is updated to follow ACPI 5.0A and the
handling of CondRefOf and RefOf is updated accordingly, module-
level code will be executed after loading each ACPI table now
(instead of being run once after all tables containing AML have
been loaded), the Operation Region handlers management is updated
to fix some reported problems and a the ACPICA code in the kernel
is more in line with the upstream now.
- Update the ACPI backlight driver to provide information on whether
or not it will generate key-presses for brightness change hotkeys
and update some platform drivers (dell-wmi, thinkpad_acpi) to use
that information to avoid sending double key-events to users pace
for these, add new ACPI backlight quirks (Hans de Goede, Aaron Lu,
Adrien Schildknecht).
- Improve the ACPI handling of interrupt GPIOs (Christophe Ricard).
- Fix the handling of the list of device IDs of device objects found
in the ACPI namespace and add a helper for checking if there is a
device object for a given device ID (Lukas Wunner).
- Change the logic in the ACPI namespace scanning code to create
struct acpi_device objects for all ACPI device objects found in the
namespace even if _STA fails for them which helps to avoid device
enumeration problems on Microsoft Surface 3 (Aaron Lu).
- Add support for the APM X-Gene ACPI I2C device to the ACPI driver
for AMD SoCs (Loc Ho).
- Fix the long-standing issue with the DMA controller on Intel SoCs
where ACPI tables have no power management support for the DMA
controller itself, but it can be powered off automatically when the
last (other) device on the SoC is powered off via ACPI and clean up
the ACPI driver for Intel SoCs (acpi-lpss) after previous attempts
to fix that problem (Andy Shevchenko).
- Assorted ACPI fixes and cleanups (Andy Lutomirski, Colin Ian King,
Javier Martinez Canillas, Ken Xue, Mathias Krause, Rafael Wysocki,
Sinan Kaya).
- Update the device properties framework for better handling of
built-in properties, add support for built-in properties to the
platform bus type, update the MFD subsystem's handling of device
properties and add support for passing default configuration data
as device properties to the intel-lpss MFD drivers, convert the
designware I2C driver to use the unified device properties API and
add a fallback mechanism for using default built-in properties if
the platform firmware fails to provide the properties as expected
by drivers (Andy Shevchenko, Mika Westerberg, Heikki Krogerus,
Andrew Morton).
- Add new Device Tree bindings to the Operating Performance Points
(OPP) framework and update the exynos4412 DT binding accordingly,
introduce debugfs support for the OPP framework (Viresh Kumar,
Bartlomiej Zolnierkiewicz).
- Migrate the mt8173 cpufreq driver to the new OPP bindings (Pi-Cheng
Chen).
- Update the cpufreq core to make the handling of governors more
efficient, especially on systems where policy objects are shared
between multiple CPUs (Viresh Kumar, Rafael Wysocki).
- Fix cpufreq governor handling on configurations with
CONFIG_HZ_PERIODIC set (Chen Yu).
- Clean up the cpufreq core code related to the boost sysfs knob
support and update the ACPI cpufreq driver accordingly (Rafael
Wysocki).
- Add a new cpufreq driver for ST platforms and corresponding Device
Tree bindings (Lee Jones).
- Update the intel_pstate driver to allow the P-state selection
algorithm used by it to depend on the CPU ID of the processor it is
running on, make it use a special P-state selection algorithm (with
an IO wait time compensation tweak) on Atom CPUs based on the
Airmont and Silvermont cores so as to reduce their energy
consumption and improve intel_pstate documentation (Philippe
Longepe, Srinivas Pandruvada).
- Update the cpufreq-dt driver to support registering cooling devices
that use the (P * V^2 * f) dynamic power draw formula where V is
the voltage, f is the frequency and P is a constant coefficient
provided by Device Tree and update the arm_big_little cpufreq
driver to use that support (Punit Agrawal).
- Assorted cpufreq driver (cpufreq-dt, qoriq, pcc-cpufreq,
blackfin-cpufreq) updates (Andrzej Hajda, Hongtao Jia, Jacob
Tanenbaum, Markus Elfring).
- cpuidle core tweaks related to polling and measured_us calculation
(Rik van Riel).
- Removal of modularity from a few cpuidle drivers (clps711x, ux500,
exynos) that cannot be built as modules in practice (Paul
Gortmaker).
- PM core update to prevent devices from being probed during system
suspend/resume which is generally problematic and may lead to
inconsistent behavior (Grygorii Strashko).
- Assorted updates of the PM core and related code (Julia Lawall,
Manuel Pégourié-Gonnard, Maruthi Bayyavarapu, Rafael Wysocki, Ulf
Hansson).
- PNP bus type updates (Christophe Le Roy, Heiner Kallweit).
- PCI PM code cleanups (Jarkko Nikula, Julia Lawall).
- cpupower tool updates (Jacob Tanenbaum, Thomas Renninger)"
* tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (177 commits)
PM / clk: don't leave clocks enabled when driver not bound
i2c: dw: Add APM X-Gene ACPI I2C device support
ACPI / APD: Add APM X-Gene ACPI I2C device support
ACPI / LPSS: change 'does not have' to 'has' in comment
Revert "dmaengine: dw: platform: provide platform data for Intel"
dmaengine: dw: return immediately from IRQ when DMA isn't in use
dmaengine: dw: platform: power on device on shutdown
ACPI / LPSS: override power state for LPSS DMA device
PM / OPP: Use snprintf() instead of sprintf()
Documentation: cpufreq: intel_pstate: enhance documentation
ACPI, PCI, irq: remove redundant check for null string pointer
ACPI / video: driver must be registered before checking for keypresses
cpufreq-dt: fix handling regulator_get_voltage() result
cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC
PM / sleep: Add support for read-only sysfs attributes
ACPI: Fix white space in a structure definition
ACPI / SBS: fix inconsistent indenting inside if statement
PNP: respect PNP_DRIVER_RES_DO_NOT_CHANGE when detaching
ACPI / PNP: constify device IDs
ACPI / PCI: Simplify acpi_penalize_isa_irq()
...
Pull cgroup updates from Tejun Heo:
- cgroup v2 interface is now official. It's no longer hidden behind a
devel flag and can be mounted using the new cgroup2 fs type.
Unfortunately, cpu v2 interface hasn't made it yet due to the
discussion around in-process hierarchical resource distribution and
only memory and io controllers can be used on the v2 interface at the
moment.
- The existing documentation which has always been a bit of mess is
relocated under Documentation/cgroup-v1/. Documentation/cgroup-v2.txt
is added as the authoritative documentation for the v2 interface.
- Some features are added through for-4.5-ancestor-test branch to
enable netfilter xt_cgroup match to use cgroup v2 paths. The actual
netfilter changes will be merged through the net tree which pulled in
the said branch.
- Various cleanups
* 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: rename cgroup documentations
cgroup: fix a typo.
cgroup: Remove resource_counter.txt in Documentation/cgroup-legacy/00-INDEX.
cgroup: demote subsystem init messages to KERN_DEBUG
cgroup: Fix uninitialized variable warning
cgroup: put controller Kconfig options in meaningful order
cgroup: clean up the kernel configuration menu nomenclature
cgroup_pids: fix a typo.
Subject: cgroup: Fix incomplete dd command in blkio documentation
cgroup: kill cgrp_ss_priv[CGROUP_CANFORK_COUNT] and friends
cpuset: Replace all instances of time_t with time64_t
cgroup: replace unified-hierarchy.txt with a proper cgroup v2 documentation
cgroup: rename Documentation/cgroups/ to Documentation/cgroup-legacy/
cgroup: replace __DEVEL__sane_behavior with cgroup2 fs type
Pull networking updates from Davic Miller:
1) Support busy polling generically, for all NAPI drivers. From Eric
Dumazet.
2) Add byte/packet counter support to nft_ct, from Floriani Westphal.
3) Add RSS/XPS support to mvneta driver, from Gregory Clement.
4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
Frederic Sowa.
5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.
6) Add support for VLAN device bridging to mlxsw switch driver, from
Ido Schimmel.
7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.
8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.
9) Reorganize wireless drivers into per-vendor directories just like we
do for ethernet drivers. From Kalle Valo.
10) Provide a way for administrators "destroy" connected sockets via the
SOCK_DESTROY socket netlink diag operation. From Lorenzo Colitti.
11) Add support to add/remove multicast routes via netlink, from Nikolay
Aleksandrov.
12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.
13) Add forwarding and packet duplication facilities to nf_tables, from
Pablo Neira Ayuso.
14) Dead route support in MPLS, from Roopa Prabhu.
15) TSO support for thunderx chips, from Sunil Goutham.
16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.
17) Rationalize, consolidate, and more completely document the checksum
offloading facilities in the networking stack. From Tom Herbert.
18) Support aborting an ongoing scan in mac80211/cfg80211, from
Vidyullatha Kanchanapally.
19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
net: bnxt: always return values from _bnxt_get_max_rings
net: bpf: reject invalid shifts
phonet: properly unshare skbs in phonet_rcv()
dwc_eth_qos: Fix dma address for multi-fragment skbs
phy: remove an unneeded condition
mdio: remove an unneed condition
mdio_bus: NULL dereference on allocation error
net: Fix typo in netdev_intersect_features
net: freescale: mac-fec: Fix build error from phy_device API change
net: freescale: ucc_geth: Fix build error from phy_device API change
bonding: Prevent IPv6 link local address on enslaved devices
IB/mlx5: Add flow steering support
net/mlx5_core: Export flow steering API
net/mlx5_core: Make ipv4/ipv6 location more clear
net/mlx5_core: Enable flow steering support for the IB driver
net/mlx5_core: Initialize namespaces only when supported by device
net/mlx5_core: Set priority attributes
net/mlx5_core: Connect flow tables
net/mlx5_core: Introduce modify flow table command
net/mlx5_core: Managing root flow table
...
- I'm assisting Joel as co-maintainer and patch monkey now, and you will
see pull reuquests from me for a while
- Besides the MAINTAINERS update there is just a single change, which
adds support for binary attributes to configfs, which are very similar
to the sysfs binary attributes. Thanks to Pantelis Antoniou!
- You will see another actually bigger set of configfs changes in the
SCSI target pull from Nic - those were merged before this new tree
even existed
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Merge tag 'configfs-for-linus' of git://git.infradead.org/users/hch/configfs
Pull configfs updates from Christoph Hellwig:
"I'm assisting Joel as co-maintainer and patch monkey now, and you will
see pull reuquests from me for a while.
Besides the MAINTAINERS update there is just a single change, which
adds support for binary attributes to configfs, which are very similar
to the sysfs binary attributes. Thanks to Pantelis Antoniou!
You will see another actually bigger set of configfs changes in the
SCSI target pull from Nic - those were merged before this new tree
even existed"
* tag 'configfs-for-linus' of git://git.infradead.org/users/hch/configfs:
configfs: add myself as co-maintainer, updated git tree
configfs: implement binary attributes
Pull misc vfs updates from Al Viro:
"All kinds of stuff. That probably should've been 5 or 6 separate
branches, but by the time I'd realized how large and mixed that bag
had become it had been too close to -final to play with rebasing.
Some fs/namei.c cleanups there, memdup_user_nul() introduction and
switching open-coded instances, burying long-dead code, whack-a-mole
of various kinds, several new helpers for ->llseek(), assorted
cleanups and fixes from various people, etc.
One piece probably deserves special mention - Neil's
lookup_one_len_unlocked(). Similar to lookup_one_len(), but gets
called without ->i_mutex and tries to avoid ever taking it. That, of
course, means that it's not useful for any directory modifications,
but things like getting inode attributes in nfds readdirplus are fine
with that. I really should've asked for moratorium on lookup-related
changes this cycle, but since I hadn't done that early enough... I
*am* asking for that for the coming cycle, though - I'm going to try
and get conversion of i_mutex to rwsem with ->lookup() done under lock
taken shared.
There will be a patch closer to the end of the window, along the lines
of the one Linus had posted last May - mechanical conversion of
->i_mutex accesses to inode_lock()/inode_unlock()/inode_trylock()/
inode_is_locked()/inode_lock_nested(). To quote Linus back then:
-----
| This is an automated patch using
|
| sed 's/mutex_lock(&\(.*\)->i_mutex)/inode_lock(\1)/'
| sed 's/mutex_unlock(&\(.*\)->i_mutex)/inode_unlock(\1)/'
| sed 's/mutex_lock_nested(&\(.*\)->i_mutex,[ ]*I_MUTEX_\([A-Z0-9_]*\))/inode_lock_nested(\1, I_MUTEX_\2)/'
| sed 's/mutex_is_locked(&\(.*\)->i_mutex)/inode_is_locked(\1)/'
| sed 's/mutex_trylock(&\(.*\)->i_mutex)/inode_trylock(\1)/'
|
| with a very few manual fixups
-----
I'm going to send that once the ->i_mutex-affecting stuff in -next
gets mostly merged (or when Linus says he's about to stop taking
merges)"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
nfsd: don't hold i_mutex over userspace upcalls
fs:affs:Replace time_t with time64_t
fs/9p: use fscache mutex rather than spinlock
proc: add a reschedule point in proc_readfd_common()
logfs: constify logfs_block_ops structures
fcntl: allow to set O_DIRECT flag on pipe
fs: __generic_file_splice_read retry lookup on AOP_TRUNCATED_PAGE
fs: xattr: Use kvfree()
[s390] page_to_phys() always returns a multiple of PAGE_SIZE
nbd: use ->compat_ioctl()
fs: use block_device name vsprintf helper
lib/vsprintf: add %*pg format specifier
fs: use gendisk->disk_name where possible
poll: plug an unused argument to do_poll
amdkfd: don't open-code memdup_user()
cdrom: don't open-code memdup_user()
rsxx: don't open-code memdup_user()
mtip32xx: don't open-code memdup_user()
[um] mconsole: don't open-code memdup_user_nul()
[um] hostaudio: don't open-code memdup_user()
...
Pull UML updates from Richard Weinberger:
"This contains beside of random fixes/cleanups two bigger changes:
- seccomp support by Mickaël Salaün
- IRQ rework by Anton Ivanov"
* 'for-linus-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: Use race-free temporary file creation
um: Do not set unsecure permission for temporary file
um: Fix build error and kconfig for i386
um: Add seccomp support
um: Add full asm/syscall.h support
selftests/seccomp: Remove the need for HAVE_ARCH_TRACEHOOK
um: Fix ptrace GETREGS/SETREGS bugs
um: link with -lpthread
um: Update UBD to use pread/pwrite family of functions
um: Do not change hard IRQ flags in soft IRQ processing
um: Prevent IRQ handler reentrancy
uml: flush stdout before forking
uml: fix hostfs mknod()
support of 248 VCPUs.
* ARM: rewrite of the arm64 world switch in C, support for
16-bit VM identifiers. Performance counter virtualization
missed the boat.
* x86: Support for more Hyper-V features (synthetic interrupt
controller), MMU cleanups
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"PPC changes will come next week.
- s390: Support for runtime instrumentation within guests, support of
248 VCPUs.
- ARM: rewrite of the arm64 world switch in C, support for 16-bit VM
identifiers. Performance counter virtualization missed the boat.
- x86: Support for more Hyper-V features (synthetic interrupt
controller), MMU cleanups"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (115 commits)
kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL
kvm/x86: Hyper-V SynIC timers tracepoints
kvm/x86: Hyper-V SynIC tracepoints
kvm/x86: Update SynIC timers on guest entry only
kvm/x86: Skip SynIC vector check for QEMU side
kvm/x86: Hyper-V fix SynIC timer disabling condition
kvm/x86: Reorg stimer_expiration() to better control timer restart
kvm/x86: Hyper-V unify stimer_start() and stimer_restart()
kvm/x86: Drop stimer_stop() function
kvm/x86: Hyper-V timers fix incorrect logical operation
KVM: move architecture-dependent requests to arch/
KVM: renumber vcpu->request bits
KVM: document which architecture uses each request bit
KVM: Remove unused KVM_REQ_KICK to save a bit in vcpu->requests
kvm: x86: Check kvm_write_guest return value in kvm_write_wall_clock
KVM: s390: implement the RI support of guest
kvm/s390: drop unpaired smp_mb
kvm: x86: fix comment about {mmu,nested_mmu}.gva_to_gpa
KVM: x86: MMU: Use clear_page() instead of init_shadow_page_table()
arm/arm64: KVM: Detect vGIC presence at runtime
...
Pull ARM updates from Russell King:
- UEFI boot and runtime services support for ARM from Ard Biesheuvel
and Roy Franz.
- DT compatibility with old atags booting protocol for Nokia N900
devices from Ivaylo Dimitrov.
- PSCI firmware interface using new arm-smc calling convention from
Jens Wiklander.
- Runtime patching for udiv/sdiv instructions for ARMv7 CPUs that
support these instructions from Nicolas Pitre.
- L2x0 cache updates from Dirk B and Linus Walleij.
- Randconfig fixes from Arnd Bergmann.
- ARMv7M (nommu) updates from Ezequiel Garcia
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (34 commits)
ARM: 8481/2: drivers: psci: replace psci firmware calls
ARM: 8480/2: arm64: add implementation for arm-smccc
ARM: 8479/2: add implementation for arm-smccc
ARM: 8478/2: arm/arm64: add arm-smccc
ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
ARM: 8496/1: OMAP: RX51: save ATAGS data in the early boot stage
ARM: 8495/1: ATAGS: move save_atags() to arch/arm/include/asm/setup.h
ARM: 8452/3: PJ4: make coprocessor access sequences buildable in Thumb2 mode
ARM: 8482/1: l2x0: make it possible to disable outer sync from DT
ARM: 8488/1: Make IPI_CPU_BACKTRACE a "non-secure" SGI
ARM: 8487/1: Remove IPI_CALL_FUNC_SINGLE
ARM: 8485/1: cpuidle: remove cpu parameter from the cpuidle_ops suspend hook
ARM: 8484/1: Documentation: l2c2x0: Mention separate controllers explicitly
ARM: 8483/1: Documentation: l2c: Rename l2cc to l2c2x0
ARM: 8477/1: runtime patch udiv/sdiv instructions into __aeabi_{u}idiv()
ARM: 8476/1: VDSO: use PTR_ERR_OR_ZERO for vma check
ARM: 8453/2: proc-v7.S: don't locate temporary stack space in .text section
ARM: add UEFI stub support
ARM: wire up UEFI init and runtime support
ARM: only consider memblocks with NOMAP cleared for linear mapping
...
- Support for the CPU PMU in Cortex-A72
- Add sysfs entries to describe the architected events and their
mappings for PMUv{1-3}
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Merge tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm[64] perf updates from Will Deacon:
"In the past, I have funnelled perf updates through the respective
architecture trees, but now that the arm/arm64 perf driver has been
largely consolidated under drivers/perf/, it makes more sense to send
a separate pull, particularly as I'm listed as maintainer for all the
files involved. I offered the branch to arm-soc, but Arnd suggested
that I just send it to you directly.
So, here is the arm/arm64 perf queue for 4.5. The main features are
described below, but the most useful change is from Drew, which
advertises our architected event mapping in sysfs so that the perf
tool is a lot more user friendly and no longer requires the use of
magic hex constants for profiling common events.
- Support for the CPU PMU in Cortex-A72
- Add sysfs entries to describe the architected events and their
mappings for PMUv{1-3}"
* tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: perf: add support for Cortex-A72
arm64: perf: add format entry to describe event -> config mapping
ARM: perf: add format entry to describe event -> config mapping
arm64: kernel: enforce pmuserenr_el0 initialization and restore
arm64: perf: Correct Cortex-A53/A57 compatible values
arm64: perf: Add event descriptions
arm64: perf: Convert event enums to #defines
arm: perf: Add event descriptions
arm: perf: Convert event enums to #defines
drivers/perf: kill armpmu_register
- Support for a separate IRQ stack, although we haven't reduced the size
of our thread stack just yet since we don't have enough data to
determine a safe value
- Refactoring of our EFI initialisation and runtime code into
drivers/firmware/efi/ so that it can be reused by arch/arm/.
- Ftrace improvements when unwinding in the function graph tracer
- Document our silicon errata handling process
- Cache flushing optimisation when mapping executable pages
- Support for hugetlb mappings using the contiguous hint in the pte
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"Here is the core arm64 queue for 4.5. As you might expect, the
Christmas break resulted in a number of patches not making the final
cut, so 4.6 is likely to be larger than usual. There's still some
useful stuff here, however, and it's detailed below.
The EFI changes have been Reviewed-by Matt and the memblock change got
an "OK" from akpm.
Summary:
- Support for a separate IRQ stack, although we haven't reduced the
size of our thread stack just yet since we don't have enough data
to determine a safe value
- Refactoring of our EFI initialisation and runtime code into
drivers/firmware/efi/ so that it can be reused by arch/arm/.
- Ftrace improvements when unwinding in the function graph tracer
- Document our silicon errata handling process
- Cache flushing optimisation when mapping executable pages
- Support for hugetlb mappings using the contiguous hint in the pte"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (45 commits)
arm64: head.S: use memset to clear BSS
efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
arm64: entry: remove pointless SPSR mode check
arm64: mm: move pgd_cache initialisation to pgtable_cache_init
arm64: module: avoid undefined shift behavior in reloc_data()
arm64: module: fix relocation of movz instruction with negative immediate
arm64: traps: address fallout from printk -> pr_* conversion
arm64: ftrace: fix a stack tracer's output under function graph tracer
arm64: pass a task parameter to unwind_frame()
arm64: ftrace: modify a stack frame in a safe way
arm64: remove irq_count and do_softirq_own_stack()
arm64: hugetlb: add support for PTE contiguous bit
arm64: Use PoU cache instr for I/D coherency
arm64: Defer dcache flush in __cpu_copy_user_page
arm64: reduce stack use in irq_handler
arm64: mm: ensure that the zero page is visible to the page table walker
arm64: Documentation: add list of software workarounds for errata
arm64: mm: place __cpu_setup in .text
arm64: cmpxchg: Don't incldue linux/mmdebug.h
arm64: mm: fold alternatives into .init
...
Guests running within virtual machines might be affected by SMP effects even if
the guest itself is compiled without SMP support. This is an artifact of
interfacing with an SMP host while running an UP kernel. Using mandatory
barriers for this use-case would be possible but is often suboptimal.
In particular, virtio uses a bunch of confusing ifdefs to work around
this, while xen just uses the mandatory barriers.
To better handle this case, low-level virt_mb() etc macros are made available.
These are implemented trivially using the low-level __smp_xxx macros,
the purpose of these wrappers is to annotate those specific cases.
These have the same effect as smp_mb() etc when SMP is enabled, but generate
identical code for SMP and non-SMP systems. For example, virtual machine guests
should use virt_mb() rather than smp_mb() when synchronizing against a
(possibly SMP) host.
Suggested-by: David Miller <davem@davemloft.net>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Correction (FEC) support that has been added to the DM verity target.
Google uses DM verity on all Android devices and it is believed that
this FEC support will enable DM verity to recover from storage
failures seen since DM verity was first deployed as part of Android.
- A stable fix for a race in the destruction of DM thin pool's workqueue
- A stable fix for hung IO if a DM snapshot copy hit an error
- A few small cleanups in DM core and DM persistent data.
- A couple DM thinp range discard improvements (address atomicity of
finding a range and the efficiency of discarding a partially mapped
thin device)
- Add ability to debug DM bufio leaks by recording stack trace when a
buffer is allocated. Upon detected leak the recorded stack is dumped.
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Merge tag 'dm-4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- The most significant set of changes this cycle is the Forward Error
Correction (FEC) support that has been added to the DM verity target.
Google uses DM verity on all Android devices and it is believed that
this FEC support will enable DM verity to recover from storage
failures seen since DM verity was first deployed as part of Android.
- A stable fix for a race in the destruction of DM thin pool's
workqueue
- A stable fix for hung IO if a DM snapshot copy hit an error
- A few small cleanups in DM core and DM persistent data.
- A couple DM thinp range discard improvements (address atomicity of
finding a range and the efficiency of discarding a partially mapped
thin device)
- Add ability to debug DM bufio leaks by recording stack trace when a
buffer is allocated. Upon detected leak the recorded stack is
dumped.
* tag 'dm-4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm snapshot: fix hung bios when copy error occurs
dm thin: bump thin and thin-pool target versions
dm thin: fix race condition when destroying thin pool workqueue
dm space map metadata: remove unused variable in brb_pop()
dm verity: add ignore_zero_blocks feature
dm verity: add support for forward error correction
dm verity: factor out verity_for_bv_block()
dm verity: factor out structures and functions useful to separate object
dm verity: move dm-verity.c to dm-verity-target.c
dm verity: separate function for parsing opt args
dm verity: clean up duplicate hashing code
dm btree: factor out need_insert() helper
dm bufio: use BUG_ON instead of conditional call to BUG
dm bufio: store stacktrace in buffers to help find buffer leaks
dm bufio: return NULL to improve code clarity
dm block manager: cleanup code that prints stacktrace
dm: don't save and restore bi_private
dm thin metadata: make dm_thin_find_mapped_range() atomic
dm thin metadata: speed up discard of partially mapped volumes
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Merge tag 'media/v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"The part of patches for Kernel 4.5. There's nothing really big here:
- driver-specific headers for media devices were moved to separate
directories, in order to make clear what headers belong to the core
kABI and require documentation
- Platform data for media drivers were moved from include/media to
include/linux/platform_data/media
- add a driver for cs3308 8-channel volume control, used on some
high-end capture boards
- lirc.h kAPI header were added at include/uapi/linux
- Driver cleanups, new board additions and improvements"
* tag 'media/v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (204 commits)
[media] rc: sunxi-cir: Initialize the spinlock properly
[media] rtl2832: do not filter out slave TS null packets
[media] rtl2832: print reg number on error case
[media] rtl28xxu: return demod reg page from driver cache
[media] coda: enable MPEG-2 ES decoding
[media] coda: don't start streaming without queued buffers
[media] coda: hook up vidioc_prepare_buf
[media] coda: relax coda_jpeg_check_buffer for trailing bytes
[media] coda: make to_coda_video_device static
[media] s5p-mfc: remove volatile attribute from MFC register addresses
[media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_void
[media] s5p-mfc: use spinlock to protect MFC context
[media] s5p-mfc: remove unnecessary callbacks
[media] s5p-mfc: make queue cleanup code common
[media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx
[media] s5p-mfc: constify s5p_mfc_codec_ops structures
[media] au8522: Avoid memory leak for device config data
[media] ir-lirc-codec.c: don't leak lirc->drv-rbuf
[media] uvcvideo: small cleanup in uvc_video_clock_update()
[media] uvcvideo: Fix reading the current exposure value of UVC
...
- use EXPORT_SYMBOL_GPL consistently,
- add two new LED_BLINK_ flags,
- rename brightness_set_sync op to brightness_set_blocking,
- add led_set_brightness_nosleep{nopm} functions,
- use set_brightness_work for the blocking op,
- drivers shouldn't enforce SYNC/ASYNC brightness setting,
- turn off the LED and wait for completion on unregistering LED
class device,
- add managed version of led_trigger_register,
- add description of brightness setting API to the LED class doc.
- Remove work queues from drivers: leds-tlc591xx, leds-88pm860x, leds-adp5520,
leds-bd2802, leds-blinkm, leds-lm3533, leds-lm3642, leds-pca9532,
leds-lp3944, leds-lp55xx, leds-lp8788, leds-lp8860, leds-pca955x,
leds-pca963x, leds-wm831x, leds-da903x, leds-da9052, leds-dac124d085,
leds-lt3593, leds-max8997, leds-mc13783, leds-regulator, leds-wm8350,
leds-max77693, leds-aat1290, leds-ktd2692, leds-gpio, leds-pwm,
leds-lm355x, leds-ns2.
- Replace brightness_set op with a new brightness_set_blocking op to make the
drivers compatible with led triggers: leds-ipaq-micro, leds-powernv.
- Add missing of_node_put: leds-ktd2692, leds-aat1290, leds-max77693.
- Make the driver explicitly non-modular: ledtrig-cpu, ledtrig-ide-disk,
leds-syscon.
- Improvements to leds-bcm6328:
- reuse bcm6328_led_set() instead of copying its functionality,
- swap LED ON and OFF definitions,
- improve blink support,
- simplify duplicated unlock in bcm6328_blink_set,
- add little endian support,
- remove unneded lock when checking initial LED status,
- add HAS_IOMEM dependency,
- code cleaning.
- Improvements to leds-bcm6358:
- use bcm6358_led_set() in order to get rid of the lock,
- merge bcm6358_led_mode and bcm6358_led_set,
- add little endian support,
- remove unneded lock when checking initial LED status,
- add HAS_IOMEM dependency,
- remove unneeded busy status check.
- Call led_pwm_set() in leds-pwm to enforce default LED_OFF.
- Fix duration to be msec instead of jiffies: ledtrig-transient.
- Removing NULL check: leds-powernv.
- Use platform_register/unregister_drivers(): leds-sunfire.
- Fix module license specification: ledtrig-oneshot.
- Fix driver description and make license match the header: leds-pwm.
- Remove checking for state < 1 in flash_strobe_store(): led-class-flash.
- Use led_set_brightness_sync for torch brightness: v4l2-flash-led-class
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Merge tag 'leds-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED subsystem updates from Jacek Anaszewski:
"Besides regular driver updates, we introduce a portion of LED core
improvements, that allow to avoid the need for using work queues in
the LED class drivers, that set brightness in a blocking way.
Affected LED class drivers are being optimized accordingly.
- LED core improvements:
- use EXPORT_SYMBOL_GPL consistently,
- add two new LED_BLINK_ flags,
- rename brightness_set_sync op to brightness_set_blocking,
- add led_set_brightness_nosleep{nopm} functions,
- use set_brightness_work for the blocking op,
- drivers shouldn't enforce SYNC/ASYNC brightness setting,
- turn off the LED and wait for completion on unregistering LED
class device,
- add managed version of led_trigger_register,
- add description of brightness setting API to the LED class doc.
- Remove work queues from drivers: leds-tlc591xx, leds-88pm860x, leds-adp5520,
leds-bd2802, leds-blinkm, leds-lm3533, leds-lm3642, leds-pca9532,
leds-lp3944, leds-lp55xx, leds-lp8788, leds-lp8860, leds-pca955x,
leds-pca963x, leds-wm831x, leds-da903x, leds-da9052, leds-dac124d085,
leds-lt3593, leds-max8997, leds-mc13783, leds-regulator, leds-wm8350,
leds-max77693, leds-aat1290, leds-ktd2692, leds-gpio, leds-pwm,
leds-lm355x, leds-ns2.
- Replace brightness_set op with a new brightness_set_blocking op to
make the drivers compatible with led triggers: leds-ipaq-micro,
leds-powernv.
- Add missing of_node_put: leds-ktd2692, leds-aat1290, leds-max77693.
- Make the driver explicitly non-modular: ledtrig-cpu,
ledtrig-ide-disk, leds-syscon.
- Improvements to leds-bcm6328:
- reuse bcm6328_led_set() instead of copying its functionality,
- swap LED ON and OFF definitions,
- improve blink support,
- simplify duplicated unlock in bcm6328_blink_set,
- add little endian support,
- remove unneded lock when checking initial LED status,
- add HAS_IOMEM dependency,
- code cleaning.
- Improvements to leds-bcm6358:
- use bcm6358_led_set() in order to get rid of the lock,
- merge bcm6358_led_mode and bcm6358_led_set,
- add little endian support,
- remove unneded lock when checking initial LED status,
- add HAS_IOMEM dependency,
- remove unneeded busy status check.
- Call led_pwm_set() in leds-pwm to enforce default LED_OFF.
- Fix duration to be msec instead of jiffies: ledtrig-transient.
- Removing NULL check: leds-powernv.
- Use platform_register/unregister_drivers(): leds-sunfire.
- Fix module license specification: ledtrig-oneshot.
- Fix driver description and make license match the header: leds-pwm.
- Remove checking for state < 1 in flash_strobe_store():
led-class-flash.
- Use led_set_brightness_sync for torch brightness:
v4l2-flash-led-class"
* tag 'leds-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: (68 commits)
leds: add HAS_IOMEM dependency to LEDS_BCM6328/LEDS_BCM6358
leds: core: add managed version of led_trigger_register
leds: bcm6358: remove unneeded busy status check
leds: bcm6328: improve blink support
leds: bcm6358: merge bcm6358_led_mode and bcm6358_led_set
leds: bcm6328: simplify duplicated unlock in bcm6328_blink_set
leds: bcm6358: add little endian support
leds: bcm6328: add little endian support
leds: bcm6358: remove unneded lock when checking initial LED status
leds: bcm6358: Use bcm6358_led_set() in order to get rid of the lock
leds: bcm6328: remove unneded lock when checking initial LED
leds: bcm6328: code cleaning
leds: syscon: Make the driver explicitly non-modular
leds: ledtrig-ide-disk: Make the driver explicitly non-modular
leds: ledtrig-cpu: Make the driver explicitly non-modular
leds: sunfire: Use platform_register/unregister_drivers()
leds: max77693: Add missing of_node_put
leds: aat1290: Add missing of_node_put
leds: powernv: Implement brightness_set_blocking op
leds: ipaq-micro: Implement brightness_set_blocking op
...
* edac_subsys init/teardown cleanup (Borislav Petkov)
* make mpc85xx-pci-edac a platform device (Scott Wood)
* sb_edac KNL gen2 support (Jim Snow)
* other small cleanups all over the place
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Merge tag 'edac_for_4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC updates from Borislav Petkov:
- hide EDAC workqueue from users (Borislav Petkov)
- edac_subsys init/teardown cleanup (Borislav Petkov)
- make mpc85xx-pci-edac a platform device (Scott Wood)
- sb_edac KNL gen2 support (Jim Snow)
- other small cleanups all over the place
* tag 'edac_for_4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC, i5100: Use to_delayed_work()
MAINTAINERS: Fix EDAC repo URLs format
EDAC, sb_edac: Set fixed DIMM width on Xeon Knights Landing
EDAC: Rework workqueue handling
EDAC: Make edac_device workqueue setup/teardown functions static
EDAC: Remove edac_get_sysfs_subsys() error handling
EDAC: Unexport and make edac_subsys static
EDAC: Rip out the edac_subsys reference counting
EDAC: Robustify workqueues destruction
EDAC, mc_sysfs: Fix freeing bus' name
EDAC, mpc85xx: Make mpc85xx-pci-edac a platform device
EDAC, sb_edac: Add Knights Landing (Xeon Phi gen 2) support
EDAC, sb_edac: Add support for duplicate device IDs
EDAC, sb_edac: Virtualize several hard-coded functions
EDAC, mv64x60: Use platform_register/unregister_drivers()
EDAC, mpc85xx: Use platform_register/unregister_drivers()
EDAC: Add DDR4 flag
EDAC: Remove references to bluesmoke.sourceforge.net
EDAC, pci: Remove old disabled code
Add basic support for NCT6683 on Mitac boards
Add support for AMD new 15h processors to fam15h_power driver
Add pmbus client driver for LTC3815
Remove htu21 driver (now supported by iio subsystem)
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Merge tag 'hwmon-for-linus-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"Notable hwmon changes:
- Add basic support for NCT6683 on Mitac boards
- Add support for AMD new 15h processors to fam15h_power driver
- Add pmbus client driver for LTC3815
- Remove htu21 driver (now supported by iio subsystem)"
* tag 'hwmon-for-linus-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (nct6683) Add basic support for NCT6683 on Mitac boards
hwmon: (ibmaem) constify aem_rw_sensor_template and aem_ro_sensor_template structures
hwmon: (nct6683,nct6775) constify sensor_template_group structures
MAINTAINERS: change the maintainer of fam15h_power driver
hwmon: (fam15h_power) Add support for AMD new 15h processors
hwmon: (pmbus) Add client driver for LTC3815
hwmon: (htu21) Remove driver
cgroup-legacy may be too loaded. Rename the docs so that they're
postfixed with v1 and v2.
* s/cgroup-legacy/cgroup-v1/
* s/cgroup.txt/cgroup-v2.txt/
Signed-off-by: Tejun Heo <tj@kernel.org>
series:
- New drivers:
- PXA2xx pin controller support
- Broadcom NSP pin controller support
- New subdrivers:
- Samsung EXYNOS5410 support
- Qualcomm MSM8996 support
- Qualcomm PM8994 support
- Qualcomm PM8994 MPP support
- Allwinner sunxi H3 support
- Allwinner sunxi A80 support
- Rockchip RK3228 support
- Rename the Cygnus pinctrl driver to "iproc" as it is more
generic than was originally thought.
- A bunch of Lantiq/Xway updates especially from the OpenWRT
people.
- Several refactorings for the Super-H SH PFC pin controllers.
Adding SCIF_CLK support.
- Several fixes to the Atlas 7 driver.
- Various fixes all over the place.
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Merge tag 'pinctrl-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control patches for the v4.5 series.
Notably I have a patch to driver core from Stephen Boyd in the pull
request, this has been ACKed by Greg so it should be OK. The internal
API needed some tweaking to allow modular Qualcomm pin controllers.
There is a bit of development history in here but it should all add up
nicely and has boiled in linux-next. For example I merged in v4.4-rc5
to get rid of some nasty merge conflicts.
Summary:
- New drivers:
- PXA2xx pin controller support
- Broadcom NSP pin controller support
- New subdrivers:
- Samsung EXYNOS5410 support
- Qualcomm MSM8996 support
- Qualcomm PM8994 support
- Qualcomm PM8994 MPP support
- Allwinner sunxi H3 support
- Allwinner sunxi A80 support
- Rockchip RK3228 support
- Rename the Cygnus pinctrl driver to "iproc" as it is more generic
than was originally thought.
- A bunch of Lantiq/Xway updates especially from the OpenWRT people.
- Several refactorings for the Super-H SH PFC pin controllers.
Adding SCIF_CLK support.
- Several fixes to the Atlas 7 driver.
- Various fixes all over the place"
* tag 'pinctrl-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (91 commits)
pinctrl: mediatek: Modify pinctrl bindings for mt2701
Revert "pinctrl: qcom: make PMIC drivers bool"
pinctrl: qcom: Use platform_irq_count() instead of of_irq_count()
driver-core: platform: Add platform_irq_count()
pinctrl: lantiq: 2 pins have the wrong mux list
pinctrl: qcom: make PMIC drivers bool
pinctrl: nsp-gpio: forever loop in nsp_gpio_get_strength()
pinctrl: mediatek: convert to arch_initcall
pinctrl: bcm2835: Fix memory leak in error path
pinctrl: mediatek: add missing of_node_put
pinctrl: rockchip: add missing of_node_put
pinctrl: sh-pfc: add missing of_node_put
pinctrl: sirf: add missing of_node_put
pinctrl-tegra: add missing of_node_put
pinctrl: sunxi: Add A80 special pin controller
pinctrl: bcm/cygnys/iproc: fixup rebase issue
pinctrl: fixup problematic flag
MAINTAINERS: Add co-maintainer for Renesas Pin Controllers
pinctrl: sh-pfc: r8a7791: add EtherAVB pin groups
pinctrl: sh-pfc: r8a7795: Add SATA support
...
- Optimize boot time by detecting cards simultaneously
- Make runtime resume default behavior for MMC/SD
- Enable MMC/SD/SDIO devices to suspend/resume asynchronously
- Allow more than 8 partitions per card
- Introduce MMC_CAP2_NO_SDIO to prevent unsupported SDIO commands
- Support the standard DT wakeup-source property
- Fix driver strength switching for HS200 and HS400
- Fix switch command timeout
- Fix invalid vdd in voltage switch power cycle for SDIO
MMC host:
- sdhci: Restore behavior when setting VDD via external regulator
- sdhci: A couple of changes/fixes related to the dma support
- sdhci-tegra: Add Tegra210 support
- sdhci-tegra: Support for UHS-I cards including tuning support
- sdhci-of-at91: Add PM support
- sh_mmcif: Rework dma channel handling
- mvsdio: Delete platform data code path
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Merge tag 'mmc-v4.5' of git://git.linaro.org/people/ulf.hansson/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Optimize boot time by detecting cards simultaneously
- Make runtime resume default behavior for MMC/SD
- Enable MMC/SD/SDIO devices to suspend/resume asynchronously
- Allow more than 8 partitions per card
- Introduce MMC_CAP2_NO_SDIO to prevent unsupported SDIO commands
- Support the standard DT wakeup-source property
- Fix driver strength switching for HS200 and HS400
- Fix switch command timeout
- Fix invalid vdd in voltage switch power cycle for SDIO
MMC host:
- sdhci: Restore behavior when setting VDD via external regulator
- sdhci: A couple of changes/fixes related to the dma support
- sdhci-tegra: Add Tegra210 support
- sdhci-tegra: Support for UHS-I cards including tuning support
- sdhci-of-at91: Add PM support
- sh_mmcif: Rework dma channel handling
- mvsdio: Delete platform data code path"
* tag 'mmc-v4.5' of git://git.linaro.org/people/ulf.hansson/mmc: (52 commits)
mmc: dw_mmc: remove the unused quirks
mmc: sdhci-pci: use to_pci_dev()
mmc: cb710: use to_platform_device()
mmc: tegra: use correct accessor for misc ctrl register
mmc: tegra: enable UHS-I modes
mmc: tegra: implement UHS tuning
mmc: tegra: disable SPI_MODE_CLKEN
mmc: tegra: implement module external clock change
mmc: sdhci: restore behavior when setting VDD via external regulator
mmc: It is not an error for the card to be removed while suspended
mmc: block: Allow more than 8 partitions per card
mmc: core: Optimize boot time by detecting cards simultaneously
mmc: dw_mmc: use resource_size_t to store physical address
mmc: core: fix __mmc_switch timeout caused by preempt
mmc: usdhi6rol0: handle NULL data in timeout
mmc: of_mmc_spi: Add IRQF_ONESHOT to interrupt flags
mmc: mediatek: change some dev_err to dev_dbg
mmc: enable MMC/SD/SDIO device to suspend/resume asynchronously
mmc: sdhci: Fix sdhci_runtime_pm_bus_on/off()
mmc: sdhci: 64-bit DMA actually has 4-byte alignment
...
Pull libata updates from Tejun Heo:
"Mostly low level driver specific changes.
Two changes are somewhat noteworthy. First, Dan's patchset to support
per-port msix interrupt handling for ahci, which was tried last cycle
but had to be backed out due to a couple issues, is back and seems to
be working fine. Second, libata exception handling now uses
usleep_range() instead of msleep() for sleeps < 20ms which can make
things snappier in some corner cases"
* 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libata: skip debounce delay on link resume
ata: ahci_brcmstb: disable DIPM support
ata: ahci_brcmstb: enable support for ALPM
drivers: libata-core: Use usleep_range() instead of msleep() for short sleeps (<20 ms)
sata_sx4: correctly handling failed allocation
ata: ahci_brcmstb: add support for MIPS-based platforms
ahci: qoriq: Adjust the default register values on ls1021a
ahci: qoriq: Update the default Rx watermark value
ahci: qoriq: Adjust the default register values on ls1043a
ahci: compile out msi/msix infrastructure
ata: core: fix irq description on AHCI single irq systems
ata: ahci_brcmstb: remove unused definitions
ata: ahci_brcmstb: add a quirk for MIPS-based platforms
ata: ahci_brcmstb: disable NCQ for MIPS-based platforms
ata: sata_rcar: Remove obsolete platform_device_id entries
sata_rcar: Add compatible string for r8a7795
ahci: kill 'intr_status'
ahci: switch from 'threaded' to 'hardirq' interrupt handling
ahci: per-port msix support
Pull workqueue update from Tejun Heo:
"Workqueue changes for v4.5. One cleanup patch and three to improve
the debuggability.
Workqueue now has a stall detector which dumps workqueue state if any
worker pool hasn't made forward progress over a certain amount of time
(30s by default) and also triggers a warning if a workqueue which can
be used in memory reclaim path tries to wait on something which can't
be.
These should make workqueue hangs a lot easier to debug."
* 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: simplify the apply_workqueue_attrs_locked()
workqueue: implement lockup detector
watchdog: introduce touch_softlockup_watchdog_sched()
workqueue: warn if memory reclaim tries to flush !WQ_MEM_RECLAIM workqueue
Pull irq updates from Thomas Gleixner:
"The irq department provides:
- Support for MSI to wire bridges and a first user of it
- More ACPI support for ARM/GIC
- A new TS-4800 interrupt controller driver
- RCU based free of interrupt descriptors to support the upcoming
Intel VMD technology without introducing a locking nightmare
- The usual pile of fixes and updates to drivers and core code"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
irqchip/omap-intc: Add support for spurious irq handling
irqchip/zevio: Use irq_data_get_chip_type() helper
irqchip/omap-intc: Remove duplicate setup for IRQ chip type handler
irqchip/ts4800: Add TS-4800 interrupt controller
irqchip/ts4800: Add documentation for TS-4800 interrupt controller
irq/platform-MSI: Increase the maximum MSIs the MSI framework can support
irqchip/gicv2m: Miscellaneous fixes for v2m resources and SPI ranges
irqchip/bcm2836: Make code more readable
irqchip/bcm2836: Tolerate IRQs while no flag is set in ISR
irqchip/bcm2836: Add SMP support for the 2836
irqchip/bcm2836: Fix initialization of the LOCAL_IRQ_CNT timers
irqchip/gic-v2m: acpi: Introducing GICv2m ACPI support
irqchip/gic-v2m: Refactor to prepare for ACPI support
irqdomain: Introduce is_fwnode_irqchip helper
acpi: pci: Setup MSI domain for ACPI based pci devices
genirq/msi: Export functions to allow MSI domains in modules
irqchip/mbigen: Implement the mbigen irq chip operation functions
irqchip/mbigen: Create irq domain for each mbigen device
irqchip/mgigen: Add platform device driver for mbigen device
dt-bindings: Documents the mbigen bindings
...
Change the phrase "handed off to the driver" to "handed off to the
device" as in the paragraph below.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The old link to source code cross reference does not work now. Though
the link has updated by commit 1d12554f0a
("Documentation: HOWTO: update code cross reference link"), there are
few obsolete links yet. This commit update them.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* pm-cpufreq: (30 commits)
Documentation: cpufreq: intel_pstate: enhance documentation
cpufreq-dt: fix handling regulator_get_voltage() result
cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC
cpufreq: mt8173: migrate to use operating-points-v2 bindings
cpufreq: Simplify core code related to boost support
cpufreq: acpi-cpufreq: Simplify boost-related code
cpufreq: Make cpufreq_boost_supported() static
blackfin-cpufreq: Mark cpu_set_cclk() as static
blackfin-cpufreq: Change return type of cpu_set_cclk() to that of clk_set_rate()
dt: cpufreq: st: Provide bindings for ST's CPUFreq implementation
cpufreq: st: Provide runtime initialised driver for ST's platforms
cpufreq: mt8173: Move resources allocation into ->probe()
cpufreq: intel_pstate: Account for IO wait time
cpufreq: intel_pstate: Account for non C0 time
cpufreq: intel_pstate: Configurable algorithm to get target pstate
cpufreq: mt8173: check return value of regulator_get_voltage() call
cpufreq: mt8173: remove redundant regulator_get_voltage() call
cpufreq: mt8173: add CPUFREQ_HAVE_GOVERNOR_PER_POLICY flag
cpufreq: qoriq: Register cooling device based on device tree
cpufreq: pcc-cpufreq: update default value of cpuinfo_transition_latency
...
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>
Pull x86 apic updates from Ingo Molnar:
"The main changes in this cycle were:
- introduce optimized single IPI sending methods on modern APICs
(Linus Torvalds, Thomas Gleixner)
- kexec/crash APIC handling fixes and enhancements (Hidehiro Kawai)
- extend lapic vector saving/restoring to the CMCI (MCE) vector as
well (Juergen Gross)
- various fixes and enhancements (Jake Oshins, Len Brown)"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/irq: Export functions to allow MSI domains in modules
Documentation: Document kernel.panic_on_io_nmi sysctl
x86/nmi: Save regs in crash dump on external NMI
x86/apic: Introduce apic_extnmi command line parameter
kexec: Fix race between panic() and crash_kexec()
panic, x86: Allow CPUs to save registers even if looping in NMI context
panic, x86: Fix re-entrance problem due to panic on NMI
x86/apic: Fix the saving and restoring of lapic vectors during suspend/resume
x86/smpboot: Re-enable init_udelay=0 by default on modern CPUs
x86/smp: Remove single IPI wrapper
x86/apic: Use default send single IPI wrapper
x86/apic: Provide default send single IPI wrapper
x86/apic: Implement single IPI for apic_noop
x86/apic: Wire up single IPI for apic_numachip
x86/apic: Wire up single IPI for x2apic_uv
x86/apic: Implement single IPI for x2apic_phys
x86/apic: Wire up single IPI for bigsmp_apic
x86/apic: Remove pointless indirections from bigsmp_apic
x86/apic: Wire up single IPI for apic_physflat
x86/apic: Remove pointless indirections from apic_physflat
...
Pull perf updates from Ingo Molnar:
"Kernel side changes:
- Intel Knights Landing support. (Harish Chegondi)
- Intel Broadwell-EP uncore PMU support. (Kan Liang)
- Core code improvements. (Peter Zijlstra.)
- Event filter, LBR and PEBS fixes. (Stephane Eranian)
- Enable cycles:pp on Intel Atom. (Stephane Eranian)
- Add cycles:ppp support for Skylake. (Andi Kleen)
- Various x86 NMI overhead optimizations. (Andi Kleen)
- Intel PT enhancements. (Takao Indoh)
- AMD cache events fix. (Vince Weaver)
Tons of tooling changes:
- Show random perf tool tips in the 'perf report' bottom line
(Namhyung Kim)
- perf report now defaults to --group if the perf.data file has
grouped events, try it with:
# perf record -e '{cycles,instructions}' -a sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 1.093 MB perf.data (1247 samples) ]
# perf report
# Samples: 1K of event 'anon group { cycles, instructions }'
# Event count (approx.): 1955219195
#
# Overhead Command Shared Object Symbol
2.86% 0.22% swapper [kernel.kallsyms] [k] intel_idle
1.05% 0.33% firefox libxul.so [.] js::SetObjectElement
1.05% 0.00% kworker/0:3 [kernel.kallsyms] [k] gen6_ring_get_seqno
0.88% 0.17% chrome chrome [.] 0x0000000000ee27ab
0.65% 0.86% firefox libxul.so [.] js::ValueToId<(js::AllowGC)1>
0.64% 0.23% JS Helper libxul.so [.] js::SplayTree<js::jit::LiveRange*, js::jit::LiveRange>::splay
0.62% 1.27% firefox libxul.so [.] js::GetIterator
0.61% 1.74% firefox libxul.so [.] js::NativeSetProperty
0.61% 0.31% firefox libxul.so [.] js::SetPropertyByDefining
- Introduce the 'perf stat record/report' workflow:
Generate perf.data files from 'perf stat', to tap into the
scripting capabilities perf has instead of defining a 'perf stat'
specific scripting support to calculate event ratios, etc.
Simple example:
$ perf stat record -e cycles usleep 1
Performance counter stats for 'usleep 1':
1,134,996 cycles
0.000670644 seconds time elapsed
$ perf stat report
Performance counter stats for '/home/acme/bin/perf stat record -e cycles usleep 1':
1,134,996 cycles
0.000670644 seconds time elapsed
$
It generates PERF_RECORD_ userspace records to store the details:
$ perf report -D | grep PERF_RECORD
0xf0 [0x28]: PERF_RECORD_THREAD_MAP nr: 1 thread: 27637
0x118 [0x12]: PERF_RECORD_CPU_MAP nr: 1 cpu: 65535
0x12a [0x40]: PERF_RECORD_STAT_CONFIG
0x16a [0x30]: PERF_RECORD_STAT
-1 -1 0x19a [0x40]: PERF_RECORD_MMAP -1/0: [0xffffffff81000000(0x1f000000) @ 0xffffffff81000000]: x [kernel.kallsyms]_text
0x1da [0x18]: PERF_RECORD_STAT_ROUND
[acme@ssdandy linux]$
An effort was made to make perf.data files generated like this to
not generate cryptic messages when processed by older tools.
The 'perf script' bits need rebasing, will go up later.
- Make command line options always available, even when they depend
on some feature being enabled, warning the user about use of such
options (Wang Nan)
- Support hw breakpoint events (mem:0xAddress) in the default output
mode in 'perf script' (Wang Nan)
- Fixes and improvements for supporting annotating ARM binaries,
support ARM call and jump instructions, more work needed to have
arch specific stuff separated into tools/perf/arch/*/annotate/
(Russell King)
- Add initial 'perf config' command, for now just with a --list
command to the contents of the configuration file in use and a
basic man page describing its format, commands for doing edits and
detailed documentation are being reviewed and proof-read. (Taeung
Song)
- Allows BPF scriptlets specify arguments to be fetched using DWARF
info, using a prologue generated at compile/build time (He Kuang,
Wang Nan)
- Allow attaching BPF scriptlets to module symbols (Wang Nan)
- Allow attaching BPF scriptlets to userspace code using uprobe (Wang
Nan)
- BPF programs now can specify 'perf probe' tunables via its section
name, separating key=val values using semicolons (Wang Nan)
Testing some of these new BPF features:
Use case: get callchains when receiving SSL packets, filter then in the
kernel, at arbitrary place.
# cat ssl.bpf.c
#define SEC(NAME) __attribute__((section(NAME), used))
struct pt_regs;
SEC("func=__inet_lookup_established hnum")
int func(struct pt_regs *ctx, int err, unsigned short port)
{
return err == 0 && port == 443;
}
char _license[] SEC("license") = "GPL";
int _version SEC("version") = LINUX_VERSION_CODE;
#
# perf record -a -g -e ssl.bpf.c
^C[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.787 MB perf.data (3 samples) ]
# perf script | head -30
swapper 0 [000] 58783.268118: perf_bpf_probe:func: (ffffffff816a0f60) hnum=0x1bb
8a0f61 __inet_lookup_established (/lib/modules/4.3.0+/build/vmlinux)
896def ip_rcv_finish (/lib/modules/4.3.0+/build/vmlinux)
8976c2 ip_rcv (/lib/modules/4.3.0+/build/vmlinux)
855eba __netif_receive_skb_core (/lib/modules/4.3.0+/build/vmlinux)
8565d8 __netif_receive_skb (/lib/modules/4.3.0+/build/vmlinux)
8572a8 process_backlog (/lib/modules/4.3.0+/build/vmlinux)
856b11 net_rx_action (/lib/modules/4.3.0+/build/vmlinux)
2a284b __do_softirq (/lib/modules/4.3.0+/build/vmlinux)
2a2ba3 irq_exit (/lib/modules/4.3.0+/build/vmlinux)
96b7a4 do_IRQ (/lib/modules/4.3.0+/build/vmlinux)
969807 ret_from_intr (/lib/modules/4.3.0+/build/vmlinux)
2dede5 cpu_startup_entry (/lib/modules/4.3.0+/build/vmlinux)
95d5bc rest_init (/lib/modules/4.3.0+/build/vmlinux)
1163ffa start_kernel ([kernel.vmlinux].init.text)
11634d7 x86_64_start_reservations ([kernel.vmlinux].init.text)
1163623 x86_64_start_kernel ([kernel.vmlinux].init.text)
qemu-system-x86 9178 [003] 58785.792417: perf_bpf_probe:func: (ffffffff816a0f60) hnum=0x1bb
8a0f61 __inet_lookup_established (/lib/modules/4.3.0+/build/vmlinux)
896def ip_rcv_finish (/lib/modules/4.3.0+/build/vmlinux)
8976c2 ip_rcv (/lib/modules/4.3.0+/build/vmlinux)
855eba __netif_receive_skb_core (/lib/modules/4.3.0+/build/vmlinux)
8565d8 __netif_receive_skb (/lib/modules/4.3.0+/build/vmlinux)
856660 netif_receive_skb_internal (/lib/modules/4.3.0+/build/vmlinux)
8566ec netif_receive_skb_sk (/lib/modules/4.3.0+/build/vmlinux)
430a br_handle_frame_finish ([bridge])
48bc br_handle_frame ([bridge])
855f44 __netif_receive_skb_core (/lib/modules/4.3.0+/build/vmlinux)
8565d8 __netif_receive_skb (/lib/modules/4.3.0+/build/vmlinux)
#
- Use 'perf probe' various options to list functions, see what
variables can be collected at any given point, experiment first
collecting without a filter, then filter, use it together with
'perf trace', 'perf top', with or without callchains, if it
explodes, please tell us!
- Introduce a new callchain mode: "folded", that will list per line
representations of all callchains for a give histogram entry,
facilitating 'perf report' output processing by other tools, such
as Brendan Gregg's flamegraph tools (Namhyung Kim)
E.g:
# perf report | grep -v ^# | head
18.37% 0.00% swapper [kernel.kallsyms] [k] cpu_startup_entry
|
---cpu_startup_entry
|
|--12.07%--start_secondary
|
--6.30%--rest_init
start_kernel
x86_64_start_reservations
x86_64_start_kernel
#
Becomes, in "folded" mode:
# perf report -g folded | grep -v ^# | head -5
18.37% 0.00% swapper [kernel.kallsyms] [k] cpu_startup_entry
12.07% cpu_startup_entry;start_secondary
6.30% cpu_startup_entry;rest_init;start_kernel;x86_64_start_reservations;x86_64_start_kernel
16.90% 0.00% swapper [kernel.kallsyms] [k] call_cpuidle
11.23% call_cpuidle;cpu_startup_entry;start_secondary
5.67% call_cpuidle;cpu_startup_entry;rest_init;start_kernel;x86_64_start_reservations;x86_64_start_kernel
16.90% 0.00% swapper [kernel.kallsyms] [k] cpuidle_enter
11.23% cpuidle_enter;call_cpuidle;cpu_startup_entry;start_secondary
5.67% cpuidle_enter;call_cpuidle;cpu_startup_entry;rest_init;start_kernel;x86_64_start_reservations;x86_64_start_kernel
15.12% 0.00% swapper [kernel.kallsyms] [k] cpuidle_enter_state
#
The user can also select one of "count", "period" or "percent" as
the first column.
... and lots of infrastructure enhancements, plus fixes and other
changes, features I failed to list - see the shortlog and the git log
for details"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (271 commits)
perf evlist: Add --trace-fields option to show trace fields
perf record: Store data mmaps for dwarf unwind
perf libdw: Check for mmaps also in MAP__VARIABLE tree
perf unwind: Check for mmaps also in MAP__VARIABLE tree
perf unwind: Use find_map function in access_dso_mem
perf evlist: Remove perf_evlist__(enable|disable)_event functions
perf evlist: Make perf_evlist__open() open evsels with their cpus and threads (like perf record does)
perf report: Show random usage tip on the help line
perf hists: Export a couple of hist functions
perf diff: Use perf_hpp__register_sort_field interface
perf tools: Add overhead/overhead_children keys defaults via string
perf tools: Remove list entry from struct sort_entry
perf tools: Include all tools/lib directory for tags/cscope/TAGS targets
perf script: Align event name properly
perf tools: Add missing headers in perf's MANIFEST
perf tools: Do not show trace command if it's not compiled in
perf report: Change default to use event group view
perf top: Decay periods in callchains
tools lib: Move bitmap.[ch] from tools/perf/ to tools/{lib,include}/
tools lib: Sync tools/lib/find_bit.c with the kernel
...
Pull locking updates from Ingo Molnar:
"So we have a laundry list of locking subsystem changes:
- continuing barrier API and code improvements
- futex enhancements
- atomics API improvements
- pvqspinlock enhancements: in particular lock stealing and adaptive
spinning
- qspinlock micro-enhancements"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Allow FUTEX_CLOCK_REALTIME with FUTEX_WAIT op
futex: Cleanup the goto confusion in requeue_pi()
futex: Remove pointless put_pi_state calls in requeue()
futex: Document pi_state refcounting in requeue code
futex: Rename free_pi_state() to put_pi_state()
futex: Drop refcount if requeue_pi() acquired the rtmutex
locking/barriers, arch: Remove ambiguous statement in the smp_store_mb() documentation
lcoking/barriers, arch: Use smp barriers in smp_store_release()
locking/cmpxchg, arch: Remove tas() definitions
locking/pvqspinlock: Queue node adaptive spinning
locking/pvqspinlock: Allow limited lock stealing
locking/pvqspinlock: Collect slowpath lock statistics
sched/core, locking: Document Program-Order guarantees
locking, sched: Introduce smp_cond_acquire() and use it
locking/pvqspinlock, x86: Optimize the PV unlock code path
locking/qspinlock: Avoid redundant read of next pointer
locking/qspinlock: Prefetch the next node cacheline
locking/qspinlock: Use _acquire/_release() versions of cmpxchg() & xchg()
atomics: Add test for atomic operations with _relaxed variants
Pull RCU updates from Ingo Molnar:
"The changes in this cycle were:
- Adding transitivity uniformly to rcu_node structure ->lock
acquisitions. (This is implemented by the first two commits on top
of v4.4-rc2 due to the pervasive nature of this change.)
- Documentation updates, including RCU requirements.
- Expedited grace-period changes.
- Miscellaneous fixes.
- Linked-list fixes, courtesy of KTSAN.
- Torture-test updates.
- Late-breaking fix to sysrq-generated crash.
One thing I should note is that these pieces of documentation are
fairly large files:
.../RCU/Design/Requirements/Requirements.html | 2897 ++++++++++++++++++++
.../RCU/Design/Requirements/Requirements.htmlx | 2741 ++++++++++++++++++
and are written in HTML, not the usual .txt style. I hope they are
fine"
Paul McKenney explains the html docs:
"For whatever it is worth, the reason for this unconventional choice
was that attempts to do the diagrams in ASCII art failed miserably.
And attempts to do ASCII art for the upcoming documentation of the
data structures failed even more miserably"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (49 commits)
sysrq: Fix warning in sysrq generated crash.
list: Add lockless list traversal primitives
rcu: Make rcu_gp_init() be bool rather than int
rcu: Move wakeup out from under rnp->lock
rcu: Fix comment for rcu_dereference_raw_notrace
rcu: Don't redundantly disable irqs in rcu_irq_{enter,exit}()
rcu: Make cpu_needs_another_gp() be bool
rcu: Eliminate unused rcu_init_one() argument
rcu: Remove TINY_RCU bloat from pointless boot parameters
torture: Place console.log files correctly from the get-go
torture: Abbreviate console error dump
rcutorture: Print symbolic name for ->gp_state
rcutorture: Print symbolic name for rcu_torture_writer_state
rcutorture: Remove CONFIG_RCU_USER_QS from rcutorture selftest doc
rcutorture: Default grace period to three minutes, allow override
rcutorture: Dump stack when GP kthread stalls
rcutorture: Flag nonexistent RCU GP kthread
rcutorture: Add batch number to script printout
Documentation/memory-barriers.txt: Fix ACCESS_ONCE thinko
documentation: Update RCU requirements based on expedited changes
...
Pull vfs RCU symlink updates from Al Viro:
"Replacement of ->follow_link/->put_link, allowing to stay in RCU mode
even if the symlink is not an embedded one.
No changes since the mailbomb on Jan 1"
* 'work.symlinks' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
switch ->get_link() to delayed_call, kill ->put_link()
kill free_page_put_link()
teach nfs_get_link() to work in RCU mode
teach proc_self_get_link()/proc_thread_self_get_link() to work in RCU mode
teach shmem_get_link() to work in RCU mode
teach page_get_link() to work in RCU mode
replace ->follow_link() with new method that could stay in RCU mode
don't put symlink bodies in pagecache into highmem
namei: page_getlink() and page_follow_link_light() are the same thing
ufs: get rid of ->setattr() for symlinks
udf: don't duplicate page_symlink_inode_operations
logfs: don't duplicate page_symlink_inode_operations
switch befs long symlinks to page_symlink_operations
The lifetime of the watchdog device pointer is different from the lifetime
of its character device. Remove it entirely to avoid race conditions.
Signed-off-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>
The Zodiac watchdog driver attaches additional sysfs attributes to the
watchdog device. This has a number of problems: The watchdog device
lifetime differs from the driver lifetime, and the device structure
should therefore not be accessed from drivers. Also, creating sysfs
attributes after driver registration results in a potential race condition
if user space expects the attributes to exist but they don't exist yet.
Add support for creating driver specific sysfs attributes to the watchdog
core to solve the problems.
Signed-off-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>
A bunch more updates for v4.5, mainly driver work:
- More topology API enhancements from Mengdong Lin working towards
making everything more component based and being able to specify PCM
links via topology.
- Large sets driver updates from Cirrus, Intel (mainly more Skylake
support) and Renesas.
- New drivers for AMD ACP, Atmel PDMIC, Dialog DA7218, Imagination
Technologies SoC IPs, Rockchip RK3036 Inno CODEC and Texas Instruments
PCM3168A.
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Merge tag 'asoc-v4.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Last updates for v4.5
A bunch more updates for v4.5, mainly driver work:
- More topology API enhancements from Mengdong Lin working towards
making everything more component based and being able to specify PCM
links via topology.
- Large sets driver updates from Cirrus, Intel (mainly more Skylake
support) and Renesas.
- New driver for AMD ACP
- Rename PCM1792a driver to be generic pcm179x
Document what I've learned so far about the gmux so that we can
collaboratively reverse-engineer its remaining unknown bits
without everyone having to start from scratch.
The DOC sections are bound together in the gpu.tmpl DocBook
under a new vga_switcheroo "Handlers" chapter. Eventually
this should be amended with documentation about the four other
handlers that exist so far (nouveau v1 DSM, nouveau Optimus DSM,
radeon ATPX, amdgpu ATPX).
Requires kernel-doc with asciidoc support.
The EFI variable was reverse-engineered by Bruno Bierbaumer
<bruno@bierbaumer.net> and Andreas Heider <andreas@meetr.de>.
Some of the remaining open questions:
* How are vblank intervals synchronized on retinas to achieve seamless
switching? Is the DP mux capable of this? It's not mentioned in the
data sheets. Or is it done at the OS level, i.e. do we have to
synchronize vblank intervals between DRM drivers? There's a signal
coming from the panel connector and going into gmux, could this be
the vblank signal as received by the panel to properly time the
switch?
* On retinas there's an I2C bus between gmux and the connector of the
right I/O board, apparently leading to the Parade PS8401A HDMI
repeater. What is this for, is it controlled via gmux registers?
Data sheet:
http://www.paradetech.com/products/jitter-cleaning-repeaters/ps8401/
* On retinas there's an I2C bus between gmux and the LED driver.
Pre-retinas connected the LED driver to SMBUS. Are there additional
gmux registers on retinas to control it?
* The MacPro6,1 2013 also has a gmux, the same Renesas R4F2113 as the
retina MacBook Pro. The Mac Pro doesn't have a built-in display,
so what is its purpose? Power control of the dual FirePro GPUs?
Switching of the external DP/Thunderbolt ports? The iFixit teardown
clearly shows one TI HD3SS212 DisplayPort mux on the logic board next
to one of the three Thunderbolt controllers. However six muxes would
be necessary to switch all six ports between GPUs. The mux is probably
necessary for one of the display configurations allowed by Apple,
but which one?
https://www.ifixit.com/Teardown/Mac+Pro+Late+2013+Teardown/20778https://d3nevzfk7ii3be.cloudfront.net/igi/fELBTnt31QhnDsqq.hugehttps://support.apple.com/en-us/HT202801
* Registers we haven't decoded yet:
0x700 32 Bit configmap?
0x708 32 Bit power sequence?
0x712 8 Bit status of clock from panel on retinas?
0x713 8 Bit dito?
0x724 16 Bit backlight, raw value?
0x760 32 Bit backlight
0x764 32 Bit backlight
0x768 8 Bit backlight
0x76a 16 Bit backlight
0x76c 16 Bit backlight
0x76e 16 Bit backlight
0x77f edp/dp/hdmi probe? retina only.
* Addition by Bruno Prémont <bonbons@linux-vserver.org>:
"Missing is also precise knowledge as to what the gmux depends on.
From behavioral reports, it is somehow sensitive to VGA IO/MEM
routing (it apparently needs the routing to go to integrated GPU,
not discrete GPU).
When the routing is inappropriate backlight control IO just reads back
as 0xFF (and eventually gmux IO in general does so)."
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/da309e436fbeac886477d80376457b7d83ea4b2d.1452431795.git.lukas@wunner.de
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
There are a few discussions left with regards to this ioctl:
1) the name of the new structs will contain _v2_ on it?
2) what's the best alternative to avoid compat32 issues?
Due to that, let's postpone the addition of this new ioctl to
the next Kernel version, to give people more time to discuss it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
There were some changes on the media types that were not reflected
on the types tables. Update them to reflect the upstream changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
As MEDIA_IOC_G_TOPOLOGY shares the data types already declared
for entities, pads and links, we should move those to a separate
part of the document, and use cross-references where needed.
So, move the following tables to a separate section at the
DocBook:
media-entity-type
media-entity-flag
media-pad-flag
media-link-flag
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The Media Controller next generation patches added a new graph
element type: interfaces. It also allows links between interfaces
and entities. Update the docbook to reflect that.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Instead of using a text file, let's put it together with the
struct documentation for the Media Controller.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Both revision and group_id fields were never used and were always
initialized to zero. Remove them.
Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
With the MC next gen rework, what's left for media_entity_init()
is to just initialize the PADs. However, certain devices, like
a FLASH led/light doesn't have any input or output PAD.
So, there's no reason why calling media_entity_init() would be
mandatory. Also, despite its name, what this function actually
does is to initialize the PADs data. So, rename it to
media_entity_pads_init() in order to reflect that.
The media entity actual init happens during entity register,
at media_device_register_entity(). We should move init of
num_links and num_backlinks to it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Due to the rename, the documentation became outdated.
Update it to reflect what's there at media.h.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Entities should have one or more functions. Calling it as a
type proofed to not be correct, as an entity could eventually
have more than one type.
So, rename the field as function.
Please notice that this patch doesn't extend support for
multiple function entities. Such change will happen when
we have real case drivers using it.
No functional changes.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cleanup the media controller entities description:
- remove MEDIA_ENT_T_DEVNODE and MEDIA_ENT_T_V4L2_SUBDEV entity
types, as they don't mean anything;
- add MEDIA_ENT_T_UNKNOWN with a proper description;
- remove ALSA and FB entity types. Those should not be used, as
the types are deprecated. We'll soon be adidng ALSA, but with
a different entity namespace;
- improve the description of some entities.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Now that interfaces and entities are distinct, it makes no sense
of keeping something named as MEDIA_ENT_T_DEVNODE_DVB_foo.
Made via this script:
for i in $(git grep -l MEDIA_ENT_T|grep -v uapi/linux/media.h); do sed s,MEDIA_ENT_T_DEVNODE_DVB_,MEDIA_ENT_T_DVB_, <$i >a && mv a $i; done
for i in $(git grep -l MEDIA_ENT_T|grep -v uapi/linux/media.h); do sed s,MEDIA_ENT_T_DVB_DVR,MEDIA_ENT_T_DVB_TSOUT, <$i >a && mv a $i; done
for i in $(git grep -l MEDIA_ENT_T|grep -v uapi/linux/media.h); do sed s,MEDIA_ENT_T_DVB_FE,MEDIA_ENT_T_DVB_DEMOD, <$i >a && mv a $i; done
for i in $(git grep -l MEDIA_ENT_T|grep -v uapi/linux/media.h); do sed s,MEDIA_ENT_T_DVB_NET,MEDIA_ENT_T_DVB_DEMOD_NET_DECAP, <$i >a && mv a $i; done
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Now that interfaces and entities are distinct, it makes no sense
of keeping something named as MEDIA_ENT_T_DEVNODE.
This change was done with this script:
for i in $(git grep -l MEDIA_ENT_T|grep -v uapi/linux/media.h); do sed s,MEDIA_ENT_T_DEVNODE_V4L,MEDIA_ENT_T_V4L2_VIDEO, <$i >a && mv a $i; done
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
With the new API, a link can be either between two PADs or between an interface
and an entity. So, we need to use a better name for the function that create
links between two pads.
So, rename the such function to media_create_pad_link().
No functional changes.
This patch was created via this shell script:
for i in $(find drivers/media -name '*.[ch]' -type f) $(find drivers/staging/media -name '*.[ch]' -type f) $(find include/ -name '*.h' -type f) ; do sed s,media_entity_create_link,media_create_pad_link,g <$i >a && mv a $i; done
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Currently, media_entity_init() creates an array with the links,
allocated at init time. It provides a parameter (extra_links)
that would allocate more links than the current needs, but this
is not used by any driver.
As we want to be able to do dynamic link allocation/removal,
we'll need to change the implementation of the links. So,
before doing that, let's first remove that extra unused
parameter, in order to cleanup the interface first.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This is quite a busy release on the driver front with a lot of new
drivers being added but comparatively quiet on the core side with only
one big change going in and that a fairly straightforward refactoring.
- Conversion of the array of DAI links to a list by Mengdong Lin,
supporting dynamically adding and removing DAI links.
- Some more fixes for the topology code, though it is still not final
and ready for enabling in production. We really need to get to the
point where that can be done.
- A pile of changes for Intel SkyLake drivers which hopefully deliver
some useful initial functionality for systems with this chipset,
though there is more work still to come.
- New drivers for a number of Imagination Technologies IPs.
- Lots of new features and cleanups for the Renesas drivers.
- ANC support for WM5110.
- New driver for Atmel class D speaker drivers.
- New drivers for Cirrus CS47L24 and WM1831.
- New driver for Dialog DA7128.
- New drivers for Realtek RT5659 and RT56156.
- New driver for Rockchip RK3036.
- New driver for TI PC3168A
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Merge tag 'asoc-v4.5' into asoc-next
ASoC: Updates for v4.5
This is quite a busy release on the driver front with a lot of new
drivers being added but comparatively quiet on the core side with only
one big change going in and that a fairly straightforward refactoring.
- Conversion of the array of DAI links to a list by Mengdong Lin,
supporting dynamically adding and removing DAI links.
- Some more fixes for the topology code, though it is still not final
and ready for enabling in production. We really need to get to the
point where that can be done.
- A pile of changes for Intel SkyLake drivers which hopefully deliver
some useful initial functionality for systems with this chipset,
though there is more work still to come.
- New drivers for a number of Imagination Technologies IPs.
- Lots of new features and cleanups for the Renesas drivers.
- ANC support for WM5110.
- New driver for Atmel class D speaker drivers.
- New drivers for Cirrus CS47L24 and WM1831.
- New driver for Dialog DA7128.
- New drivers for Realtek RT5659 and RT56156.
- New driver for Rockchip RK3036.
- New driver for TI PC3168A
# gpg: Signature made Wed 23 Dec 2015 00:42:40 GMT using RSA key ID 5D5487D0
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 3F25 68AA C269 98F9 E813 A1C5 C3F4 36CA 30F5 D8EB
# Subkey fingerprint: ADE6 68AA 6757 18B5 9FE2 9FEA 24D6 8B72 5D54 87D0
* patchwork: (204 commits)
[media] rc: sunxi-cir: Initialize the spinlock properly
[media] rtl2832: do not filter out slave TS null packets
[media] rtl2832: print reg number on error case
[media] rtl28xxu: return demod reg page from driver cache
[media] coda: enable MPEG-2 ES decoding
[media] coda: don't start streaming without queued buffers
[media] coda: hook up vidioc_prepare_buf
[media] coda: relax coda_jpeg_check_buffer for trailing bytes
[media] coda: make to_coda_video_device static
[media] s5p-mfc: remove volatile attribute from MFC register addresses
[media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_void
[media] s5p-mfc: use spinlock to protect MFC context
[media] s5p-mfc: remove unnecessary callbacks
[media] s5p-mfc: make queue cleanup code common
[media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx
[media] s5p-mfc: constify s5p_mfc_codec_ops structures
[media] au8522: Avoid memory leak for device config data
[media] ir-lirc-codec.c: don't leak lirc->drv-rbuf
[media] uvcvideo: small cleanup in uvc_video_clock_update()
[media] uvcvideo: Fix reading the current exposure value of UVC
...
Update the device tree binding documentation to include the wlf,out-mono
property that is used to specify whether each output is a mono or stereo
output.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Currently syscon has a fixed configuration of 32 bits for register and
values widths. In some cases, it would be desirable to be able to
customize the value width.
For example, certain boards (like the ones manufactured by Technologic
Systems) have a FPGA that is memory-mapped, but its registers are only
16-bit wide.
This patch adds an optional "reg-io-width" DT binding for syscon that
allows to change the width for the data bus (i.e. val_bits). If this
property is provided, it will also set the register stride to
reg-io-width's value. If not provided, the default configuration is
used.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Elad Raz <eladr@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This brings SECCOMP_MODE_STRICT and SECCOMP_MODE_FILTER support through
prctl(2) and seccomp(2) to User-mode Linux for i386 and x86_64
subarchitectures.
secure_computing() is called first in handle_syscall() so that the
syscall emulation will be aborted quickly if matching a seccomp rule.
This is inspired from Meredydd Luff's patch
(https://gerrit.chromium.org/gerrit/21425).
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Will Drewry <wad@chromium.org>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Meredydd Luff <meredydd@senatehouse.org>
Cc: David Drysdale <drysdale@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Kees Cook <keescook@chromium.org>
pcm1792a is compatible with pcm1795 and pcm1796 so it's
better to have them under the common name pcm179x
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
EEPROMs can have additional properties, so they are not suitable for
trivial-devices.txt. Move most bindings to the designated eeprom.txt.
Add the missing "atmel,24c08" while doing that. Note that the remaining
ones in trivial-devices need to be dealt with separately because of
improper manufacturer names.
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>
This patch adds support for the watchdog core found on newer MediaTek Wifi
SoCs MT7621 and MT7628. There is no symbol for MT7628 as it is a subtype of
MT7620 so we depend on that instead.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
Add support for the HiSilicon Hip06 SoC. Documentation has been updated to
include Hip06. Add Gabriele Paoloni as maintainer of the driver.
Signed-off-by: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Merge "Amlogic DT changes for 4.5" from Carlo Caione:
This pull request includes the Amlogic Meson8b DTS changes for v4.5
* tag 'meson-for-4.5/dts' of https://github.com/carlocaione/linux-meson:
ARM: dts: meson8b: Add watchdog node
Documentation: watchdog: Add new bindings for meson8b
ARM: meson: Add status LED for Odroid-C1
Geert writes:
Summary:
- Clean up the naming of clocks in the sh-sci driver and its DT bindings,
- Add support for the optional external clock on (H)SCI(F), where this pin
can serve as a clock input,
- Add support for the optional clock sources for the Baud Rate
Generator for External Clock (BRG), as found on some SCIF variants
and on HSCIF.
Add NP4 macb SoC variant.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Complete rewrite of the arm64 world switch in C, hopefully
paving the way for more sharing with the 32bit code, better
maintainability and easier integration of new features.
Also smaller and slightly faster in some cases...
- Support for 16bit VM identifiers
- Various cleanups
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Merge tag 'kvm-arm-for-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-next
KVM/ARM changes for Linux v4.5
- Complete rewrite of the arm64 world switch in C, hopefully
paving the way for more sharing with the 32bit code, better
maintainability and easier integration of new features.
Also smaller and slightly faster in some cases...
- Support for 16bit VM identifiers
- Various cleanups
Instead of defining a new field in the uart_amba_port structure, use the
existing iotype field of the uart_port structure, which is intended for
this purpose. If we need to use 32-bit register access, we set iotype
to UPIO_MEM32, otherwise we set it to UPIO_MEM.
For early console, specify the "mmio32" option on the kernel command-line.
Example:
earlycon=pl011,mmio32,0x3ced1000
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patchset attempts to new compatible for thermal founding
on RK3228/RK3399 SoCs.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Add DT bindings for NAND devices connected to the NEMC on JZ4780 SoCs,
as well as the hardware BCH controller, used by the jz4780_{nand,bch}
drivers.
Signed-off-by: Alex Smith <alex.smith@imgtec.com>
Cc: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Harvey Hunt <harvey.hunt@imgtec.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This allow to directly print block_device name.
Currently one should use bdevname() with temporal char buffer.
This is very ineffective because bloat stack usage for deep IO call-traces
Example:
%pg -> sda, sda1 or loop0p1
[AV: fixed a minor braino - position updates should not be dependent
upon having reached the of buffer]
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Pull RCU changes from Paul E. McKenney:
- Adding transitivity uniformly to rcu_node structure ->lock
acquisitions. (This is implemented by the first two commits
on top of v4.4-rc2 due to the pervasive nature of this change.)
- Documentation updates, including RCU requirements.
- Expedited grace-period changes.
- Miscellaneous fixes.
- Linked-list fixes, courtesy of KTSAN.
- Torture-test updates.
- Late-breaking fix to sysrq-generated crash.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
add device tree bindings for rk3288 specific Synopsys DW MIPI DSI driver
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Update design documentation based on recent development.
original version comes from Neil.
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Property names do not match real names needed by driver itself.
This patch fix this problem.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rob Herring <robh@kernel.org>
Fix bogus indentation of the PSCI compatible values, reformat.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Another pile of vfuncs from the old gpu.tmpl xml documentation that
I've forgotten to delete. I spotted a few more things to
clarify/extend in the new kerneldoc while going through this once
more.
v2: Spelling fixes (Thierry).
v3: More spelling fixes and use Thierry's proposal to clarify why
drivers need to validate modes both in ->mode_fixup and ->mode_valid.
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
This is an attempt to make documentation more user friendly.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Doug Smythies <dsmythies@telus.net>
Reviewed-by: Chen, Yu C <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This is the first NFC pull request for 4.5 and it brings:
- A new driver for the STMicroelectronics ST95HF NFC chipset.
The ST95HF is an NFC digital transceiver with an embedded analog
front-end and as such relies on the Linux NFC digital
implementation. This is the 3rd user of the NFC digital stack.
- ACPI support for the ST st-nci and st21nfca drivers.
- A small improvement for the nfcsim driver, as we can now tune
the Rx delay through sysfs.
- A bunch of minor cleanups and small fixes from Christophe Ricard,
for a few drivers and the NFC core code.
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Merge tag 'nfc-next-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next
Samuel Ortiz says:
====================
NFC 4.5 pull request
This is the first NFC pull request for 4.5 and it brings:
- A new driver for the STMicroelectronics ST95HF NFC chipset.
The ST95HF is an NFC digital transceiver with an embedded analog
front-end and as such relies on the Linux NFC digital
implementation. This is the 3rd user of the NFC digital stack.
- ACPI support for the ST st-nci and st21nfca drivers.
- A small improvement for the nfcsim driver, as we can now tune
the Rx delay through sysfs.
- A bunch of minor cleanups and small fixes from Christophe Ricard,
for a few drivers and the NFC core code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This set of changes adds support for the Tegra210 SoC and contains a
couple fixes and cleanups.
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Merge tag 'tegra-for-4.5-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into clk-next
clk: tegra: Changes for v4.5-rc1
This set of changes adds support for the Tegra210 SoC and contains a
couple fixes and cleanups.
ConfigFS lacked binary attributes up until now. This patch
introduces support for binary attributes in a somewhat similar
manner of sysfs binary attributes albeit with changes that
fit the configfs usage model.
Problems that configfs binary attributes fix are everything that
requires a binary blob as part of the configuration of a resource,
such as bitstream loading for FPGAs, DTBs for dynamically created
devices etc.
Look at Documentation/filesystems/configfs/configfs.txt for internals
and howto use them.
This patch is against linux-next as of today that contains
Christoph's configfs rework.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
[hch: folded a fix from Geert Uytterhoeven <geert+renesas@glider.be>]
[hch: a few tiny updates based on review feedback]
Signed-off-by: Christoph Hellwig <hch@lst.de>
This patch adds description of the LED subsystem API for
setting an LED brightness.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Fix indentation of vga_switcheroo sections in gpu.tmpl.
Change section type of API documentation from "chapter" to "sect1"
so that the individual functions no longer clutter up the ToC.
Group together under a new "API" chapter.
Fix wording "heretoforth" -> "henceforth".
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Broadcoms DSL, CM (cable modem)and STB I2C core implementation have
8 data in/out registers that can transfer 8 bytes or 32 bytes max.
Cable and DSL "Peripheral" i2c cores use single byte per data
register and the STB can use 4 byte per data register transfer.
Adding support to take care of this difference. Accordingly added
the compatible string for SoCs using the "Peripheral" I2C block.
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
We need this binding because some I2C master drivers will need to adapt
their PM settings for the arbitration circuitry.
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The BCM7xxx ARM-based and MIPS-based platforms share a similar hardware
block for AHCI SATA3.
This new compatible string, "brcm,bcm7425-ahci", may be used for most
MIPS-based platforms of 40nm process technology.
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Pull networking fixes from David Miller:
1) Prevent XFRM per-cpu counter updates for one namespace from being
applied to another namespace. Fix from DanS treetman.
2) Fix RCU de-reference in iwl_mvm_get_key_sta_id(), from Johannes
Berg.
3) Remove ethernet header assumption in nft_do_chain_netdev(), from
Pablo Neira Ayuso.
4) Fix cpsw PHY ident with multiple slaves and fixed-phy, from Pascal
Speck.
5) Fix use after free in sixpack_close and mkiss_close.
6) Fix VXLAN fw assertion on bnx2x, from Yuval Mintz.
7) natsemi doesn't check for DMA mapping errors, from Alexey
Khoroshilov.
8) Fix inverted test in ip6addrlbl_get(), from ANdrey Ryabinin.
9) Missing initialization of needed_headroom in geneve tunnel driver,
from Paolo Abeni.
10) Fix conntrack template leak in openvswitch, from Joe Stringer.
11) Mission initialization of wq->flags in sock_alloc_inode(), from
Nicolai Stange.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (35 commits)
sctp: sctp should release assoc when sctp_make_abort_user return NULL in sctp_close
net, socket, socket_wq: fix missing initialization of flags
drivers: net: cpsw: fix error return code
openvswitch: Fix template leak in error cases.
sctp: label accepted/peeled off sockets
sctp: use GFP_USER for user-controlled kmalloc
qlcnic: fix a loop exit condition better
net: cdc_ncm: avoid changing RX/TX buffers on MTU changes
geneve: initialize needed_headroom
ipv6: honor ifindex in case we receive ll addresses in router advertisements
addrconf: always initialize sysctl table data
ipv6/addrlabel: fix ip6addrlbl_get()
switchdev: bridge: Pass ageing time as clock_t instead of jiffies
sh_eth: fix 16-bit descriptor field access endianness too
veth: don’t modify ip_summed; doing so treats packets with bad checksums as good.
net: usb: cdc_ncm: Adding Dell DW5813 LTE AT&T Mobile Broadband Card
net: usb: cdc_ncm: Adding Dell DW5812 LTE Verizon Mobile Broadband Card
natsemi: add checks for dma mapping errors
rhashtable: Kill harmless RCU warning in rhashtable_walk_init
openvswitch: correct encoding of set tunnel action attributes
...
This patch adds a DT binding documentation for the MT2701 soc.
Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge "BCM2835 SOC changes for 4.5" from Eric Anholt:
This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/soc branch.
* tag 'bcm2835-soc-next-2015-12-28' of http://github.com/anholt/linux:
ARM: bcm2835: Add Kconfig support for bcm2836
ARM: bcm2835: Add a compat string for bcm2836 machine probe
dt-bindings: Add root properties for Raspberry Pi 2
Conflicts:
arch/arm/mach-bcm/Kconfig
1. eMMC/SDIO minor fixes usage of bindings on Snow and Peach
Chromebooks.
2. Remove FIMD from Odroid XU3-family because on XU3 it cannot be used
yet and on XU3-Lite and XU4 it is not supported.
3. Remove deprecated since June 2013 samsung,exynos5-hdmi.
4. Add support for Pseudo Random Generator on Exynos4 (Trats2 for now).
This depends on new SSS clock.
5. Add rotator nodes for Exynos4 and Exynos5.
6. Switch DWC3_1 on Odroid XU3 and XU3-Lite to peripheral mode because
now it cannot be used as OTG.
7. Cleanup the G2D usage on Exynos4 and add it to a proper domain
in case of Exynos4210.
8. Put MDMA1 in proper domain on Exynos4210 as well.
9. Minor cleanups.
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Merge tag 'samsung-dt-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt
Merge "Samsung DeviceTree updates and improvements for 4.5" from Krzysztof Kozlowski:
1. eMMC/SDIO minor fixes usage of bindings on Snow and Peach
Chromebooks.
2. Remove FIMD from Odroid XU3-family because on XU3 it cannot be used
yet and on XU3-Lite and XU4 it is not supported.
3. Remove deprecated since June 2013 samsung,exynos5-hdmi.
4. Add support for Pseudo Random Generator on Exynos4 (Trats2 for now).
This depends on new SSS clock.
5. Add rotator nodes for Exynos4 and Exynos5.
6. Switch DWC3_1 on Odroid XU3 and XU3-Lite to peripheral mode because
now it cannot be used as OTG.
7. Cleanup the G2D usage on Exynos4 and add it to a proper domain
in case of Exynos4210.
8. Put MDMA1 in proper domain on Exynos4210 as well.
9. Minor cleanups.
* tag 'samsung-dt-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: (21 commits)
ARM: dts: Unify G2D device node with other devices on exynos4
ARM: dts: Add power domain to G2D device on exynos4210
ARM: dts: MDMA1 device belongs to LCD0 power domain on exynos4210
ARM: dts: Remove unneeded GPIO include in exynos4412-odroidu3
ARM: dts: exynos4210-universal_c210: Disable DMA for UARTs
ARM: dts: Use peripheral mode for dwc3_1 on exynos5422-odroidxu3
ARM: dts: Add rotator node on exynos5420
ARM: dts: Add rotator node on exynos5250
ARM: dts: Fix power domain for sysmmu-rotator device on exynos4
ARM: dts: Add rotator nodes on exynos4
ARM: dts: Enable PRNG module on exynos4412-trats2
ARM: dts: Add PRNG module for exynos4
dt-bindings: remove deprecated compatible string from exynos-hdmi
ARM: dts: Remove fimd node from exynos5422-odroidxu3-common
ARM: dts: Mark eMMC as non-removable in exynos5250-snow-common
ARM: dts: Remove broken-cd from eMMC node in exynos5420-peach-pi
ARM: dts: Remove broken-cd from eMMC node in exynos5800-peach-pi
ARM: dts: Mark SDIO as non-removable in exynos5250-snow-common
ARM: dts: Mark SDIO as non-removable in exynos5420-peach-pit
ARM: dts: Mark SDIO as non-removable in exynos5800-peach-pi
...
arm-soc next/drivers branch.
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Merge tag 'bcm2835-drivers-next-2015-12-28' of http://github.com/anholt/linux into next/drivers
Pull "BCM2835 drivers changes for 4.5" from Eric Anholt:
This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/drivers branch.
* tag 'bcm2835-drivers-next-2015-12-28' of http://github.com/anholt/linux:
ARM: bcm2835: add rpi power domain driver
dt-bindings: add rpi power domain driver bindings
ARM: bcm2835: Define two new packets from the latest firmware.
All variables required by the watchdog core to manage a watchdog are
currently stored in struct watchdog_device. The lifetime of those
variables is determined by the watchdog driver. However, the lifetime
of variables used by the watchdog core differs from the lifetime of
struct watchdog_device. To remedy this situation, watchdog drivers
can implement ref and unref callbacks, to be used by the watchdog
core to lock struct watchdog_device in memory.
While this solves the immediate problem, it depends on watchdog drivers
to actually implement the ref/unref callbacks. This is error prone,
often not implemented in the first place, or not implemented correctly.
To solve the problem without requiring driver support, split the variables
in struct watchdog_device into two data structures - one for variables
associated with the watchdog driver, one for variables associated with
the watchdog core. With this approach, the watchdog core can keep track
of its variable lifetime and no longer depends on ref/unref callbacks
in the driver. As a side effect, some of the variables originally in
struct watchdog_driver are now private to the watchdog core and no longer
visible in watchdog drivers.
As a side effect of the changes made, an ioctl will now always fail
with -ENODEV after a watchdog device was unregistered with the character
device still open. Previously, it would only fail with -ENODEV in some
situations. Also, ioctl operations are now atomic from driver perspective.
With this change, it is now guaranteed that the driver will not unregister
a watchdog between a timeout change and the subsequent ping.
The 'ref' and 'unref' callbacks in struct watchdog_driver are no longer
used and marked as deprecated.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This patch includes ST95HF binding doc that guides how to
make node entry of ST95HF in DT file of any platform.
Signed-off-by: Shikha Singh <shikha.singh@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This is an interrupt-controller implemented in an FPGA, to multiplex
interrupts generated from other IPs. The FPGA usually uses a GPIO as a
parent interrupt controller to notify that one of the multiplexed
interrupts has triggered.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: kernel@savoirfairelinux.com
Link: http://lkml.kernel.org/r/1450728683-31416-1-git-send-email-damien.riegel@savoirfairelinux.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
samsung,exynos5-hdmi compatible was marked as deprecated in Jun 2013.
It was never used since then.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
This adds a binding for the watchdog in Sigma Designs SMP8642 and
similar devices.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This patchs adds documentation for the binding of the Zodiac RAVE
Switch Watchdog Processor. This is an i2c based watchdog.
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This watchdog is instantiated in a FPGA that is memory mapped. It is
made of only one register, called the feed register. Writing to this
register will re-arm the watchdog for a given time (and enable it if it
was disable). It can be disabled by writing a special value into it.
It is part of a syscon block, and the watchdog register offset in this
block varies from board to board. This offset is passed in the syscon
property after the phandle to the syscon node.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
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>
New driver features
- us5182
* Add interrupt support and rising / falling threshold events.
Cleanups / fixes to new stuff / minor additions
* Expose the IIO value formatting function for drivers to
make use of internally.
- ina2xx
* Fix wrong channel order
* Fix incorrect reporting of endianness
* Adding documentation of ABI unique to this device
- mma8452
* Drop an unused register description
* Use an enum for the channel index to aid readability
- sca3000
* Use standard NULL comparison style
- us5182
* fix an inconsistency in status of enable (a bug with no real effect until
above patches are applied)
* refactor the read_raw function to improve maintainability / readability.
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Merge tag 'iio-for-4.5c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third set of new stuff for IIO in the 4.5 cycle.
New driver features
- us5182
* Add interrupt support and rising / falling threshold events.
Cleanups / fixes to new stuff / minor additions
* Expose the IIO value formatting function for drivers to
make use of internally.
- ina2xx
* Fix wrong channel order
* Fix incorrect reporting of endianness
* Adding documentation of ABI unique to this device
- mma8452
* Drop an unused register description
* Use an enum for the channel index to aid readability
- sca3000
* Use standard NULL comparison style
- us5182
* fix an inconsistency in status of enable (a bug with no real effect until
above patches are applied)
* refactor the read_raw function to improve maintainability / readability.
The big one here is the configfs support which has been a long time in the
works but should allow for cleaner ways to do instantiation of those elements
of IIO that aren't directly connected to specific hardware. Lots of cool new
stuff we can use this for in the works!
New core stuff (basically all configfs support related)
* Configfs support
- Core support (was waiting for a configfs patch that went in around 4.4rc2)
- A little fixlet to add a configfs.h to contain a reference to the
configfs_subsystem structure.
* Some infrastructure to simplify handling of software based triggers
(i.e. ones with no actual hardware associated with them)
* A high resolution timer based trigger. This has been around for years
but until the configfs support was ready we didn't have a sensible way
of instantiating instances of it (the method used for the sysfs_trigger
has never been really satisfactory)
New Device Support
* AMS iAQ Volatile Organic Compounds sensor support.
* Freescale imx7d ADC driver
* Maxim MAX30100 oximeter driver (note that for these devices most of the
smart stuff will be in userspace - effectively they are just light sensors
with some interesting led synchronization as far as the kernel is concerned).
* Microchip mcp3421 support added to the mcp3422 driver.
* TI adc124s021 support added to the adc128s052 driver.
* TI ina219, inda226 power monitors. Note that there is an existing hwmon driver
for these parts, the usecase is somewhat different so it is unclear at this
point if the hwmon driver will eventually be replaced by a bridge from
this driver. In the meantime the Kconfig dependencies should prevent both
from being built.
New driver functionality
* us8152d power management support.
Cleanups, fixups
* Use list_for_each_entry_safe instead of list_for_each_safe with the entry
bit coded longhand.
* Select IRQ_WORK for IIO_DUMMY_EVGEN. This is a fix that somehow got lost
when the driver was moved so lets do it again.
* st-accel - drop an unused define.
* vz89x, lidar - optimize i2c transactions by using a single i2c tranfers
instead of multiple calls where supported (fall back to smbus calls as
before if not).
* Use dev_get_platdata() in staging drivers: tsl2x7x, adcs and frequency
drivers instead of direct access to the structure element.
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Merge tag 'iio-for-4.5b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of IIO new drivers, functionality and cleanups for the 4.5 cycle.
The big one here is the configfs support which has been a long time in the
works but should allow for cleaner ways to do instantiation of those elements
of IIO that aren't directly connected to specific hardware. Lots of cool new
stuff we can use this for in the works!
New core stuff (basically all configfs support related)
* Configfs support
- Core support (was waiting for a configfs patch that went in around 4.4rc2)
- A little fixlet to add a configfs.h to contain a reference to the
configfs_subsystem structure.
* Some infrastructure to simplify handling of software based triggers
(i.e. ones with no actual hardware associated with them)
* A high resolution timer based trigger. This has been around for years
but until the configfs support was ready we didn't have a sensible way
of instantiating instances of it (the method used for the sysfs_trigger
has never been really satisfactory)
New Device Support
* AMS iAQ Volatile Organic Compounds sensor support.
* Freescale imx7d ADC driver
* Maxim MAX30100 oximeter driver (note that for these devices most of the
smart stuff will be in userspace - effectively they are just light sensors
with some interesting led synchronization as far as the kernel is concerned).
* Microchip mcp3421 support added to the mcp3422 driver.
* TI adc124s021 support added to the adc128s052 driver.
* TI ina219, inda226 power monitors. Note that there is an existing hwmon driver
for these parts, the usecase is somewhat different so it is unclear at this
point if the hwmon driver will eventually be replaced by a bridge from
this driver. In the meantime the Kconfig dependencies should prevent both
from being built.
New driver functionality
* us8152d power management support.
Cleanups, fixups
* Use list_for_each_entry_safe instead of list_for_each_safe with the entry
bit coded longhand.
* Select IRQ_WORK for IIO_DUMMY_EVGEN. This is a fix that somehow got lost
when the driver was moved so lets do it again.
* st-accel - drop an unused define.
* vz89x, lidar - optimize i2c transactions by using a single i2c tranfers
instead of multiple calls where supported (fall back to smbus calls as
before if not).
* Use dev_get_platdata() in staging drivers: tsl2x7x, adcs and frequency
drivers instead of direct access to the structure element.
*) new PHY driver for hi6220 usb and rcar gen3 usb2
*) deprecate phy-omap-control driver. phy-omap-control driver was added
when there was no proper infrastructure for doing control module
initialization. The phy-omap-control driver is not an 'actual' PHY
driver and it was just a hack to do PHY related control module
initialization. Now with SYSCON framework in the kernel, control
module setttings can be done using APIs provided by syscon.
*) usbphy-internal pll creates the needed 480MHz and is also a
supply-clock back to the core clock-controller in Rockchip SoCs.
This is now modeled as a real clock.
*) calibrate mt65xx usb3 PHY for better eye diagram and receiver
sensitivity.
*) Miscellaneous cleanups.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
phy: for 4.5
*) new PHY driver for hi6220 usb and rcar gen3 usb2
*) deprecate phy-omap-control driver. phy-omap-control driver was added
when there was no proper infrastructure for doing control module
initialization. The phy-omap-control driver is not an 'actual' PHY
driver and it was just a hack to do PHY related control module
initialization. Now with SYSCON framework in the kernel, control
module setttings can be done using APIs provided by syscon.
*) usbphy-internal pll creates the needed 480MHz and is also a
supply-clock back to the core clock-controller in Rockchip SoCs.
This is now modeled as a real clock.
*) calibrate mt65xx usb3 PHY for better eye diagram and receiver
sensitivity.
*) Miscellaneous cleanups.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Linus Torvalds