Commit Graph

480746 Commits

Author SHA1 Message Date
Alexander Aring 7ad38b8fbf at86rf230: correct at86rf2xx lifs timings
Symbol rate is 16 us. Lifs is 40 symbols. 16 * 40 = 640 us.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:23 +02:00
Alexander Aring 850f43acb1 at86rf230: correct aret lifs and sifs handling
This patch adds lifs/sifs handling only if max_frame_retries is above
zero. The at86rf2xx datasheets says nothing about phy lifs/sifs
handling. I asked the atmel support and they said lifs/sifs is done
by phy when max_frame_retries is above zero.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:22 +02:00
Alexander Aring d06c21990f at86rf230: add missing error handling
This patch adds an async error handling function if sync state change
runs into a timeout. The async error handling function tries to recover
the phy state machine into a valid state.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:22 +02:00
Alexander Aring 464f029915 at86rf230: fix errno on tx timeout handling
The rc variable is zero if we get a timeout. Instead of pass the rc
variable to the async error handling function which try to recover the
phy, we use a static -ETIMEDOUT errno.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:22 +02:00
Simon Vincent db9e0ee805 ieee802154: mrf24j40: Add support for MRF24J40MC
The MRF24J40MC module has an external amplifier which should be
enabled. The TX power has to be lowered to meet FCC regs.

Signed-off-by: Simon Vincent <simon.vincent@xsilon.com>
Acked-by: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:22 +02:00
Anantha Krishnan 4b552bc9ed Bluetooth: Add support for Acer [0489:e078]
Add support for the QCA6174 chip.

    T:  Bus=06 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#=  3 Spd=12  MxCh= 0
    D:  Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
    P:  Vendor=0489 ProdID=e078 Rev=00.01
    C:  #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
    I:  If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
    I:  If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb

Signed-off-by: Anantha Krishnan <ananthk@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:22 +02:00
Alexander Aring c0bffc7ddc ieee802154: 6lowpan: fix sign of errno return val
This patch fix ERR_PTR(-rc) to ERR_PTR(rc). The variable rc is already a
negative errno value.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:22 +02:00
Alexander Aring f870b8c631 ieee802154: reassembly: fix tag byteorder
This patch fix byte order handling in reassembly code of 802.15.4
6LoWPAN fragmentation handling.

net/ieee802154/reassembly.c:58:43: warning: restricted __be16 degrades to integer

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reported-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:22 +02:00
Alexander Aring cd97a713ac ieee802154: 6lowpan: fix byteorder for frag tag
This patch fix byteorder issues with fragment tag of generation 802.15.4
6LoWPAN fragment header.

net/ieee802154/6lowpan_rtnl.c:278:54: warning restricted __be16 degrades to integer
net/ieee802154/6lowpan_rtnl.c:278:18: warning: incorrect type in assignment (different base types)
net/ieee802154/6lowpan_rtnl.c:278:18:    expected restricted __be16 [usertype] frag_tag
net/ieee802154/6lowpan_rtnl.c:278:18:    got unsigned short

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Reported-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:22 +02:00
Simon Vincent 39f6eb19cf ieee802154: 6lowpan: Drop PACKET_OTHERHOST skbs in 6lowpan
There is no point processing pkts which are PACKET_OTHERHOST
in 6lowpan as they are discarded as soon as they reach the
ipv6 layer. Therefore we should drop them in the 6lowpan layer.

Signed-off-by: Simon Vincent <simon.vincent@xsilon.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:21 +02:00
Julien Catalano ee4c148e8a trivial: net/mac802154: Fix Kconfig typo
Signed-off-by: Julien Catalano <julien.catalano@gmail.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-10-25 07:56:21 +02:00
Emmanuel Grumbach 7f2ac8fb31 iwlwifi: pcie: fix polling in various places
iwl_poll_bit may return a strictly positive value when the
poll doesn't match on the first try.
This was caught when WoWLAN started failing upon resume
even if the poll_bit actually succeeded.

Also change a wrong print. If we reach the end of
iwl_pcie_prepare_card_hw, it means that we couldn't
get the devices.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-10-23 21:21:49 +03:00
Emmanuel Grumbach 1ffde699aa Revert "iwlwifi: mvm: treat EAPOLs like mgmt frames wrt rate"
This reverts commit aa11bbf3df.
This commit was causing connection issues and is not needed
if IWL_MVM_RS_RSSI_BASED_INIT_RATE is set to false by default.

Regardless of the issues mentioned above, this patch added the
following WARNING:

WARNING: CPU: 0 PID: 3946 at drivers/net/wireless/iwlwifi/mvm/tx.c:190 iwl_mvm_set_tx_params+0x60a/0x6f0 [iwlmvm]()
Got an HT rate for a non data frame 0x8
CPU: 0 PID: 3946 Comm: wpa_supplicant Tainted: G           O   3.17.0+ #6
Hardware name: LENOVO 20ANCTO1WW/20ANCTO1WW, BIOS GLET71WW (2.25 ) 07/02/2014
 0000000000000009 ffffffff814fa911 ffff8804288db8f8 ffffffff81064f52
 0000000000001808 ffff8804288db948 ffff88040add8660 ffff8804291b5600
 0000000000000000 ffffffff81064fb7 ffffffffa07b73d0 0000000000000020
Call Trace:
 [<ffffffff814fa911>] ? dump_stack+0x41/0x51
 [<ffffffff81064f52>] ? warn_slowpath_common+0x72/0x90
 [<ffffffff81064fb7>] ? warn_slowpath_fmt+0x47/0x50
 [<ffffffffa07a39ea>] ? iwl_mvm_set_tx_params+0x60a/0x6f0 [iwlmvm]
 [<ffffffffa07a3cf8>] ? iwl_mvm_tx_skb+0x48/0x3c0 [iwlmvm]
 [<ffffffffa079cb9b>] ? iwl_mvm_mac_tx+0x7b/0x180 [iwlmvm]
 [<ffffffffa0746ce9>] ? __ieee80211_tx+0x2b9/0x3c0 [mac80211]
 [<ffffffffa07492f3>] ? ieee80211_tx+0xb3/0x100 [mac80211]
 [<ffffffffa0749c49>] ? ieee80211_subif_start_xmit+0x459/0xca0 [mac80211]
 [<ffffffff814116e7>] ? dev_hard_start_xmit+0x337/0x5f0
 [<ffffffff81430d46>] ? sch_direct_xmit+0x96/0x1f0
 [<ffffffff81411ba3>] ? __dev_queue_xmit+0x203/0x4f0
 [<ffffffff8142f670>] ? ether_setup+0x70/0x70
 [<ffffffff814e96a1>] ? packet_sendmsg+0xf81/0x1110
 [<ffffffff8140625c>] ? skb_free_datagram+0xc/0x40
 [<ffffffff813f7538>] ? sock_sendmsg+0x88/0xc0
 [<ffffffff813f7274>] ? move_addr_to_kernel.part.20+0x14/0x60
 [<ffffffff811c47c2>] ? __inode_wait_for_writeback+0x62/0xb0
 [<ffffffff813f7a91>] ? SYSC_sendto+0xf1/0x180
 [<ffffffff813f88f9>] ? __sys_recvmsg+0x39/0x70
 [<ffffffff8150066d>] ? system_call_fastpath+0x1a/0x1f
---[ end trace cc19a150d311fc63 ]---

which was reported here: https://bugzilla.kernel.org/show_bug.cgi?id=85691

CC: <stable@vger.kernel.org> [3.13+]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-10-23 21:21:49 +03:00
Emmanuel Grumbach a0855054e5 iwlwifi: dvm: drop non VO frames when flushing
When mac80211 wants to ensure that a frame is sent, it calls
the flush() callback. Until now, iwldvm implemented this by
waiting that all the frames are sent (ACKed or timeout).
In case of weak signal, this can take a significant amount
of time, delaying the next connection (in case of roaming).
Many users have reported that the flush would take too long
leading to the following error messages to be printed:

iwlwifi 0000:03:00.0: fail to flush all tx fifo queues Q 2
iwlwifi 0000:03:00.0: Current SW read_ptr 161 write_ptr 201
iwl data: 00000000: 00 00 00 00 00 00 00 00 fe ff 01 00 00 00 00 00
[snip]
iwlwifi 0000:03:00.0: FH TRBs(0) = 0x00000000
[snip]
iwlwifi 0000:03:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [9,9]
[snip]

Instead of waiting for these packets, simply drop them. This
significantly improves the responsiveness of the network.
Note that all the queues are flushed, but the VO one. This
is not typically used by the applications and it likely
contains management frames that are useful for connection
or roaming.

This bug is tracked here:
https://bugzilla.kernel.org/show_bug.cgi?id=56581

But it is duplicated in distributions' trackers.
A simple search in Ubuntu's database led to these bugs:

https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1270808
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1305406
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1356236
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1360597
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1361809

Cc: <stable@vger.kernel.org>
Depends-on: 77be2c54c5 ("mac80211: add vif to flush call")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-10-23 21:21:48 +03:00
Matti Gottlieb a6cc516314 iwlwifi: mvm: ROC - bug fixes around time events and locking
Don't add the time event to the list. We added it several
times the same time event, which leads to an infinite loop
when walking the list.

Since we (currently) don't support more than one ROC for STA
vif at a time, enforce this and don't add the time event
to any list.

We were also missing the locking of the mutex which led to
a lockdep splat - fix that.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-10-23 21:21:48 +03:00
Haim Dreyfuss 79b7a69d73 iwlwifi: mvm: Add tx power condition to bss_info_changed_ap_ibss
The tx power should be limited from many reasons.
currently, setting the tx power is available by the mvm only for
station interface. Adding the tx power condition to
bss_info_changed_ap_ibss make it available also for AP.

Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-10-23 21:21:48 +03:00
Emmanuel Grumbach 3856b78c1b iwlwifi: mvm: BT coex - fix BT prio for probe requests
The probe requests sent during scan must get BT prio 3.
Fix that.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-10-23 21:21:47 +03:00
Emmanuel Grumbach d14b28fd2c iwlwifi: mvm: BT Coex - update the MPLUT Boost register value
Cc: <stable@vger.kernel.org> [3.16+]
Fixes: 2adc8949ef ("iwlwifi: mvm: BT Coex - fix boost register / LUT values")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-10-23 21:21:47 +03:00
Liad Kaufman 405b7338ab iwlwifi: 8000: fix string given to MODULE_FIRMWARE
I changed the string but forgot to update the fix also to
MODULE_FIRMWARE().

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-10-23 21:21:47 +03:00
Emmanuel Grumbach 9180ac5071 iwlwifi: configure the LTR
The LTR is the handshake between the device and the root
complex about the latency allowed when the bus exits power
save. This configuration was missing and this led to high
latency in the link power up. The end user could experience
high latency in the network because of this.

Cc: <stable@vger.kernel.org> [3.10+]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-10-23 21:21:47 +03:00
Michal Kazior 84cbf3a759 ath10k: split ce pipe init/alloc further
Calling init to reinit ce pipe state would also
re-set all static structure links and setting
(which don't change over driver lifecycle).

Make it so alloc links structures and initializes
static data and init part to setup state
variables and clear stuff.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-23 16:41:32 +03:00
Michal Kazior 7c0f0e3c97 ath10k: mask/unmask msi fw irq
This was the final missing bit to making sure the
device doesn't assert interrupts to host.

This should fix possible race when target crashes
during driver teardown.

This also removes an early warm reset workaround
during pci probing.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-23 16:40:38 +03:00
Michal Kazior a428249da9 ath10k: re-disable interrupts after target init
If MSI isn't configured device ROM program expects
legacy interrupts to be enabled before it can
fully boot. Don't forget to disable legacy
interrupts after that.

While at it re-use the legacy irq enabling helper
instead of calling ath10k_pci_write32().

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-23 16:35:25 +03:00
Michal Kazior 7d9d5587c2 ath10k: use bss_info as txpower source
This simply changes the source for txpower setup.
It does not make ath10k use different txpower
values for different vifs.

This will make it easier to implement chanctx in
ath10k in the future.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-21 10:52:38 +03:00
Michal Kazior 21040bf9cb ath10k: simplify computation of mgmt rx band
Using global channel won't work with chanctx. Try
to determine the channel from the information
provided in the wmi event itself alone. This
should be sufficient.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-21 10:36:56 +03:00
Michal Kazior 077efc8c42 ath10k: clean up sta auth/assoc code
The code can be symmetrical so make it so. This
makes it easier to understand and work with.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-21 10:33:23 +03:00
Michal Kazior b1ecde36ad ath10k: skip some commands on reassoc
It doesn't make much sense to reconfigure peer
completely upon reassociation. This will make it
easier to have a more uniform association code
across different modes.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-21 10:33:03 +03:00
Michal Kazior 590922a824 ath10k: clean up assoc code
There's no need to pass bss_conf explicitly as it
is accessible via vif pointer. This requires
slight changes in function prototypes. While at it
clean up listen interval workaround/command.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-21 10:32:31 +03:00
Kalle Valo a58227ef69 ath10k: retrieve calibration data from file
A frequent request have been to be able to provide calibration data from a
file as some of the AP devices store the calibration data on an MTD partition.
This patchset adds support for that and also makes it easier to add Device Tree
support later on.

The calibration data is found by using the id string provided by dev_name()
using this format:

cal-<bus>-<id>.bin

With PCI the id string contains bus, slot and func values. For example for a
PCI device in bus 2 slot 0, ath10k will try to retrieve a calibration data from
a file:

/lib/firmware/ath10k/cal-pci-0000:02:00.0.bin

The calibration data sequence is:

1. Check with request_firmware() if there's a calibration file
   ("cal-<bus>-<id>.bin") on the filesystem for this device. If yes, use that. If
   not, goto 2

2. Check if otp.bin is able to successfully load the calibration data
   from OTP. If yes, use that. If not, goto 3.

4. Print an error message that no calibration data found and stop driver
   initialization for this device.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-21 10:03:33 +03:00
Kalle Valo 8309155977 ath10k: refactor ath10k_init_download_firmware()
This is preparation for being able to download calibration data from a file.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-21 09:59:07 +03:00
Kalle Valo e07db352ca ath10k: add back enum ath10k_bus
Commit 3a0861fffd ("ath10k: remove ath10k_bus") removed enum ath10k_bus
because it was not used for anything at the time. But now it's needed for for
retrieving the right calibration data file so add it back. Only new addition is
ath10k_bus_str().

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-10-21 09:58:41 +03:00
Linus Torvalds 61ed53deb1 Add support for Haswell NTB split BARs, a debugfs entry for basic
debugging info, and some code clean-ups.
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Merge tag 'ntb-3.18' of git://github.com/jonmason/ntb

Pull ntb (non-transparent bridge) updates from Jon Mason:
 "Add support for Haswell NTB split BARs, a debugfs entry for basic
  debugging info, and some code clean-ups"

* tag 'ntb-3.18' of git://github.com/jonmason/ntb:
  ntb: Adding split BAR support for Haswell platforms
  ntb: use errata flag set via DID to implement workaround
  ntb: conslidate reading of PPD to move platform detection earlier
  ntb: move platform detection to separate function
  NTB: debugfs device entry
2014-10-19 12:58:22 -07:00
Linus Torvalds 278f1d0730 Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "Highlights from the I2C subsystem for 3.18:

   - new drivers for Axxia AM55xx, and Hisilicon hix5hd2 SoC.

   - designware driver gained AMD support, exynos gained exynos7 support

  The rest is usual driver stuff.  Hopefully no lowlights this time"

* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: i801: Add Device IDs for Intel Sunrise Point PCH
  i2c: hix5hd2: add i2c controller driver
  i2c-imx: Disable the clock on probe failure
  i2c: designware: Add support for AMD I2C controller
  i2c: designware: Rework probe() to get clock a bit later
  i2c: designware: Default to fast mode in case of ACPI
  i2c: axxia: Add I2C driver for AXM55xx
  i2c: exynos: add support for HSI2C module on Exynos7
  i2c: mxs: detect No Slave Ack on SELECT in PIO mode
  i2c: cros_ec: Remove EC_I2C_FLAG_10BIT
  i2c: cros-ec-tunnel: Add of match table
  i2c: rcar: remove sign-compare flaw
  i2c: ismt: Use minimum descriptor size
  i2c: imx: Add arbitration lost check
  i2c: rk3x: Remove unlikely() annotations
  i2c: rcar: check for no IRQ in rcar_i2c_irq()
  i2c: rcar: make rcar_i2c_prepare_msg() *void*
  i2c: rcar: simplify check for last message
  i2c: designware: add support of platform data to set I2C mode
  i2c: designware: add support of I2C standard mode
2014-10-19 12:50:44 -07:00
Linus Torvalds d590c6cdd9 sound fixes for 3.18-rc1
Here are a collection of small fixes after 3.18 merge.  The urgent
 one is the fix for kernel panics with linked PCM substream triggered
 by the recent nonatomic PCM ops support.  Other two fixes (emu10k1 and
 bebob) are stable fixes, and one easy PCI ID addition for a new Intel
 HD-audio controller.
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Merge tag 'sound-fix-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Here are a collection of small fixes after 3.18 merge.

  The urgent one is the fix for kernel panics with linked PCM substream
  triggered by the recent nonatomic PCM ops support.  Other two fixes
  (emu10k1 and bebob) are stable fixes, and one easy PCI ID addition for
  a new Intel HD-audio controller"

* tag 'sound-fix-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda_intel: Add Device IDs for Intel Sunrise Point PCH
  ALSA: emu10k1: Fix deadlock in synth voice lookup
  ALSA: pcm: Fix referred substream in snd_pcm_action_group() unlock loop
  ALSA: bebob: Fix failure to detect source of clock for Terratec Phase 88
2014-10-19 12:45:36 -07:00
Linus Torvalds fb378df57d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull second round of input updates from Dmitry Torokhov:
 "Mostly simple bug fixes, although we do have one brand new driver for
  Microchip AR1021 i2c touchscreen.

  Also there is the change to stop trying to use i8042 active
  multiplexing by default (it is still possible to activate it via
  i8042.nomux=0 on boxes that implement it)"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: xpad - add Thrustmaster as Xbox 360 controller vendor
  Input: xpad - add USB ID for Thrustmaster Ferrari 458 Racing Wheel
  Input: max77693-haptic - fix state check in imax77693_haptic_disable()
  Input: xen-kbdfront - free grant table entry in xenkbd_disconnect_backend
  Input: alps - fix v4 button press recognition
  Input: i8042 - disable active multiplexing by default
  Input: i8042 - add noloop quirk for Asus X750LN
  Input: synaptics - gate forcepad support by DMI check
  Input: Add Microchip AR1021 i2c touchscreen
  Input: cros_ec_keyb - add of match table
  Input: serio - avoid negative serio device numbers
  Input: avoid negative input device numbers
  Input: automatically set EV_ABS bit in input_set_abs_params
  Input: adp5588-keys - cancel workqueue in failure path
  Input: opencores-kbd - switch to using managed resources
  Input: evdev - fix EVIOCG{type} ioctl
2014-10-19 12:40:24 -07:00
Linus Torvalds 2eb7f910c1 Main set of InfiniBand/RDMA updates for 3.18 merge window:
- Large set of iSER initiator improvements
  - Hardware driver fixes for cxgb4, mlx5 and ocrdma
  - Small fixes to core midlayer
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull infiniband/RDMA updates from Roland Dreier:
 - large set of iSER initiator improvements
 - hardware driver fixes for cxgb4, mlx5 and ocrdma
 - small fixes to core midlayer

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (47 commits)
  RDMA/cxgb4: Fix ntuple calculation for ipv6 and remove duplicate line
  RDMA/cxgb4: Add missing neigh_release in find_route
  RDMA/cxgb4: Take IPv6 into account for best_mtu and set_emss
  RDMA/cxgb4: Make c4iw_wr_log_size_order static
  IB/core: Fix XRC race condition in ib_uverbs_open_qp
  IB/core: Clear AH attr variable to prevent garbage data
  RDMA/ocrdma: Save the bit environment, spare unncessary parenthesis
  RDMA/ocrdma: The kernel has a perfectly good BIT() macro - use it
  RDMA/ocrdma: Don't memset() buffers we just allocated with kzalloc()
  RDMA/ocrdma: Remove a unused-label warning
  RDMA/ocrdma: Convert kernel VA to PA for mmap in user
  RDMA/ocrdma: Get vlan tag from ib_qp_attrs
  RDMA/ocrdma: Add default GID at index 0
  IB/mlx5, iser, isert: Add Signature API additions
  Target/iser: Centralize ib_sig_domain setting
  IB/iser: Centralize ib_sig_domain settings
  IB/mlx5: Use extended internal signature layout
  IB/iser: Set IP_CSUM as default guard type
  IB/iser: Remove redundant assignment
  IB/mlx5: Use enumerations for PI copy mask
  ...
2014-10-19 12:29:23 -07:00
Linus Torvalds 1f6075f990 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more perf updates from Ingo Molnar:
 "A second (and last) round of late coming fixes and changes, almost all
  of them in perf tooling:

  User visible tooling changes:

   - Add period data column and make it default in 'perf script' (Jiri
     Olsa)

   - Add a visual cue for toggle zeroing of samples in 'perf top'
     (Taeung Song)

   - Improve callchains when using libunwind (Namhyung Kim)

  Tooling fixes and infrastructure changes:

   - Fix for double free in 'perf stat' when using some specific invalid
     command line combo (Yasser Shalabi)

   - Fix off-by-one bugs in map->end handling (Stephane Eranian)

   - Fix off-by-one bug in maps__find(), also related to map->end
     handling (Namhyung Kim)

   - Make struct symbol->end be the first addr after the symbol range,
     to make it match the convention used for struct map->end.  (Arnaldo
     Carvalho de Melo)

   - Fix perf_evlist__add_pollfd() error handling in 'perf kvm stat
     live' (Jiri Olsa)

   - Fix python test build by moving callchain_param to an object linked
     into the python binding (Jiri Olsa)

   - Document sysfs events/ interfaces (Cody P Schafer)

   - Fix typos in perf/Documentation (Masanari Iida)

   - Add missing 'struct option' forward declaration (Arnaldo Carvalho
     de Melo)

   - Add option to copy events when queuing for sorting across cpu
     buffers and enable it for 'perf kvm stat live', to avoid having
     events left in the queue pointing to the ring buffer be rewritten
     in high volume sessions.  (Alexander Yarygin, improving work done
     by David Ahern):

   - Do not include a struct hists per perf_evsel, untangling the
     histogram code from perf_evsel, to pave the way for exporting a
     minimalistic tools/lib/api/perf/ library usable by tools/perf and
     initially by the rasd daemon being developed by Borislav Petkov,
     Robert Richter and Jean Pihet.  (Arnaldo Carvalho de Melo)

   - Make perf_evlist__open(evlist, NULL, NULL), i.e. without cpu and
     thread maps mean syswide monitoring, reducing the boilerplate for
     tools that only want system wide mode.  (Arnaldo Carvalho de Melo)

   - Move exit stuff from perf_evsel__delete to perf_evsel__exit, delete
     should be just a front end for exit + free (Arnaldo Carvalho de
     Melo)

   - Add support to new style format of kernel PMU event.  (Kan Liang)

  and other misc fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (45 commits)
  perf script: Add period as a default output column
  perf script: Add period data column
  perf evsel: No need to drag util/cgroup.h
  perf evlist: Add missing 'struct option' forward declaration
  perf evsel: Move exit stuff from __delete to __exit
  kprobes/x86: Remove stale ARCH_SUPPORTS_KPROBES_ON_FTRACE define
  perf kvm stat live: Enable events copying
  perf session: Add option to copy events when queueing
  perf Documentation: Fix typos in perf/Documentation
  perf trace: Use thread_{,_set}_priv helpers
  perf kvm: Use thread_{,_set}_priv helpers
  perf callchain: Create an address space per thread
  perf report: Set callchain_param.record_mode for future use
  perf evlist: Fix for double free in tools/perf stat
  perf test: Add test case for pmu event new style format
  perf tools: Add support to new style format of kernel PMU event
  perf tools: Parse the pmu event prefix and suffix
  Revert "perf tools: Default to cpu// for events v5"
  perf Documentation: Remove Ruplicated docs for powerpc cpu specific events
  perf Documentation: sysfs events/ interfaces
  ...
2014-10-19 11:55:41 -07:00
Linus Torvalds 5e2ee7cd58 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller:
 "Here we have two bug fixes:

  1) The current thread's fault_code is not setup properly upon entry to
     do_sparc64_fault() in some paths, leading to spurious SIGBUS.

  2) Don't use a zero length array at the end of thread_info on sparc64,
     otherwise end_of_stack() isn't right"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Do not define thread fpregs save area as zero-length array.
  sparc64: Fix corrupted thread fault code.
2014-10-19 11:46:09 -07:00
Linus Torvalds e25b492741 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "A quick batch of bug fixes:

  1) Fix build with IPV6 disabled, from Eric Dumazet.

  2) Several more cases of caching SKB data pointers across calls to
     pskb_may_pull(), thus referencing potentially free'd memory.  From
     Li RongQing.

  3) DSA phy code tests operation presence improperly, instead of going:

        if (x->ops->foo)
                r = x->ops->foo(args);

     it was going:

        if (x->ops->foo(args))
                r = x->ops->foo(args);

   Fix from Andew Lunn"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  Net: DSA: Fix checking for get_phy_flags function
  ipv6: fix a potential use after free in sit.c
  ipv6: fix a potential use after free in ip6_offload.c
  ipv4: fix a potential use after free in gre_offload.c
  tcp: fix build error if IPv6 is not enabled
2014-10-19 11:41:57 -07:00
Andrew Lunn 228b16cb13 Net: DSA: Fix checking for get_phy_flags function
The check for the presence or not of the optional switch function
get_phy_flags() called the function, rather than checked to see if it
is a NULL pointer. This causes a derefernce of a NULL pointer on all
switch chips except the sf2, the only switch to implement this call.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Fixes: 6819563e64 ("net: dsa: allow switch drivers to specify phy_device::dev_flags")
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-19 12:46:31 -04:00
David S. Miller e2653143d7 sparc64: Do not define thread fpregs save area as zero-length array.
This breaks the stack end corruption detection facility.

What that facility does it write a magic value to "end_of_stack()"
and checking to see if it gets overwritten.

"end_of_stack()" is "task_thread_info(p) + 1", which for sparc64 is
the beginning of the FPU register save area.

So once the user uses the FPU, the magic value is overwritten and the
debug checks trigger.

Fix this by making the size explicit.

Due to the size we use for the fpsaved[], gsr[], and xfsr[] arrays we
are limited to 7 levels of FPU state saves.  So each FPU register set
is 256 bytes, allocate 256 * 7 for the fpregs area.

Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-18 23:12:33 -04:00
David S. Miller 84bd6d8b9c sparc64: Fix corrupted thread fault code.
Every path that ends up at do_sparc64_fault() must install a valid
FAULT_CODE_* bitmask in the per-thread fault code byte.

Two paths leading to the label winfix_trampoline (which expects the
FAULT_CODE_* mask in register %g4) were not doing so:

1) For pre-hypervisor TLB protection violation traps, if we took
   the 'winfix_trampoline' path we wouldn't have %g4 initialized
   with the FAULT_CODE_* value yet.  Resulting in using the
   TLB_TAG_ACCESS register address value instead.

2) In the TSB miss path, when we notice that we are going to use a
   hugepage mapping, but we haven't allocated the hugepage TSB yet, we
   still have to take the window fixup case into consideration and
   in that particular path we leave %g4 not setup properly.

Errors on this sort were largely invisible previously, but after
commit 4ccb927289 ("sparc64: sun4v TLB
error power off events") we now have a fault_code mask bit
(FAULT_CODE_BAD_RA) that triggers due to this bug.

FAULT_CODE_BAD_RA triggers because this bit is set in TLB_TAG_ACCESS
(see #1 above) and thus we get seemingly random bus errors triggered
for user processes.

Fixes: 4ccb927289 ("sparc64: sun4v TLB error power off events")
Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-18 23:03:09 -04:00
Linus Torvalds 52d589a01d Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine updates from Vinod Koul:
 "For dmaengine contributions we have:
   - designware cleanup by Andy
   - my series moving device_control users to dmanegine_xxx APIs for
     later removal of device_control API
   - minor fixes spread over drivers mainly mv_xor, pl330, mmp, imx-sdma
     etc"

* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (60 commits)
  serial: atmel: add missing dmaengine header
  dmaengine: remove FSLDMA_EXTERNAL_START
  dmaengine: freescale: remove FSLDMA_EXTERNAL_START control method
  carma-fpga: move to fsl_dma_external_start()
  carma-fpga: use dmaengine_xxx() API
  dmaengine: freescale: add and export fsl_dma_external_start()
  dmaengine: add dmaengine_prep_dma_sg() helper
  video: mx3fb: use dmaengine_terminate_all() API
  serial: sh-sci: use dmaengine_terminate_all() API
  net: ks8842: use dmaengine_terminate_all() API
  mtd: sh_flctl: use dmaengine_terminate_all() API
  mtd: fsmc_nand: use dmaengine_terminate_all() API
  V4L2: mx3_camer: use dmaengine_pause() API
  dmaengine: coh901318: use dmaengine_terminate_all() API
  pata_arasan_cf: use dmaengine_terminate_all() API
  dmaengine: edma: check for echan->edesc => NULL in edma_dma_pause()
  dmaengine: dw: export probe()/remove() and Co to users
  dmaengine: dw: enable and disable controller when needed
  dmaengine: dw: always export dw_dma_{en,dis}able
  dmaengine: dw: introduce dw_dma_on() helper
  ...
2014-10-18 18:11:04 -07:00
Linus Torvalds 0a582821d4 fbdev changes for 3.18
* new 6x10 font
 * various small fixes and cleanups
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Merge tag 'fbdev-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev updates from Tomi Valkeinen:
 - new 6x10 font
 - various small fixes and cleanups

* tag 'fbdev-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (30 commits)
  fonts: Add 6x10 font
  videomode: provide dummy inline functions for !CONFIG_OF
  video/atmel_lcdfb: Introduce regulator support
  fbdev: sh_mobile_hdmi: Re-init regs before irq re-enable on resume
  framebuffer: fix screen corruption when copying
  framebuffer: fix border color
  arm, fbdev, omap2, LLVMLinux: Remove nested function from omapfb
  arm, fbdev, omap2, LLVMLinux: Remove nested function from omap2 dss
  video: fbdev: valkyriefb.c: use container_of to resolve fb_info_valkyrie from fb_info
  video: fbdev: pxafb.c: use container_of to resolve pxafb_info/layer from fb_info
  video: fbdev: cyber2000fb.c: use container_of to resolve cfb_info from fb_info
  video: fbdev: controlfb.c: use container_of to resolve fb_info_control from fb_info
  video: fbdev: sa1100fb.c: use container_of to resolve sa1100fb_info from fb_info
  video: fbdev: stifb.c: use container_of to resolve stifb_info from fb_info
  video: fbdev: sis: sis_main.c: Cleaning up missing null-terminate in conjunction with strncpy
  video: valkyriefb: Fix unused variable warning in set_valkyrie_clock()
  video: fbdev: use %*ph specifier to dump small buffers
  video: mx3fb: always enable BACKLIGHT_LCD_SUPPORT
  video: fbdev: au1200fb: delete double assignment
  video: fbdev: sis: delete double assignment
  ...
2014-10-18 18:03:02 -07:00
Linus Torvalds 8a5de18239 Second batch of changes for KVM/{arm,arm64} for 3.18
- Support for 48bit IPA and VA (EL2)
 - A number of fixes for devices mapped into guests
 - Yet another VGIC fix for BE
 - A fix for CPU hotplug
 - A few compile fixes (disabled VGIC, strict mm checks)
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Merge tag 'kvm-arm-for-3.18-take-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm

Pull second batch of changes for KVM/{arm,arm64} from Marc Zyngier:
 "The most obvious thing is the sizeable MMU changes to support 48bit
  VAs on arm64.

  Summary:

   - support for 48bit IPA and VA (EL2)
   - a number of fixes for devices mapped into guests
   - yet another VGIC fix for BE
   - a fix for CPU hotplug
   - a few compile fixes (disabled VGIC, strict mm checks)"

[ I'm pulling directly from Marc at the request of Paolo Bonzini, whose
  backpack was stolen at Düsseldorf airport and will do new keys and
  rebuild his web of trust.    - Linus ]

* tag 'kvm-arm-for-3.18-take-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm:
  arm/arm64: KVM: Fix BE accesses to GICv2 EISR and ELRSR regs
  arm: kvm: STRICT_MM_TYPECHECKS fix for user_mem_abort
  arm/arm64: KVM: Ensure memslots are within KVM_PHYS_SIZE
  arm64: KVM: Implement 48 VA support for KVM EL2 and Stage-2
  arm/arm64: KVM: map MMIO regions at creation time
  arm64: kvm: define PAGE_S2_DEVICE as read-only by default
  ARM: kvm: define PAGE_S2_DEVICE as read-only by default
  arm/arm64: KVM: add 'writable' parameter to kvm_phys_addr_ioremap
  arm/arm64: KVM: fix potential NULL dereference in user_mem_abort()
  arm/arm64: KVM: use __GFP_ZERO not memset() to get zeroed pages
  ARM: KVM: fix vgic-disabled build
  arm: kvm: fix CPU hotplug
2014-10-18 14:32:31 -07:00
Linus Torvalds 857b50f5d0 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "This is the MIPS pull request for the next kernel:

   - Zubair's patch series adds CMA support for MIPS.  Doing so it also
     touches ARM64 and x86.
   - remove the last instance of IRQF_DISABLED from arch/mips
   - updates to two of the MIPS defconfig files.
   - cleanup of how cache coherency bits are handled on MIPS and
     implement support for write-combining.
   - platform upgrades for Alchemy
   - move MIPS DTS files to arch/mips/boot/dts/"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (24 commits)
  MIPS: ralink: remove deprecated IRQF_DISABLED
  MIPS: pgtable.h: Implement the pgprot_writecombine function for MIPS
  MIPS: cpu-probe: Set the write-combine CCA value on per core basis
  MIPS: pgtable-bits: Define the CCA bit for WC writes on Ingenic cores
  MIPS: pgtable-bits: Move the CCA bits out of the core's ifdef blocks
  MIPS: DMA: Add cma support
  x86: use generic dma-contiguous.h
  arm64: use generic dma-contiguous.h
  asm-generic: Add dma-contiguous.h
  MIPS: BPF: Add new emit_long_instr macro
  MIPS: ralink: Move device-trees to arch/mips/boot/dts/
  MIPS: Netlogic: Move device-trees to arch/mips/boot/dts/
  MIPS: sead3: Move device-trees to arch/mips/boot/dts/
  MIPS: Lantiq: Move device-trees to arch/mips/boot/dts/
  MIPS: Octeon: Move device-trees to arch/mips/boot/dts/
  MIPS: Add support for building device-tree binaries
  MIPS: Create common infrastructure for building built-in device-trees
  MIPS: SEAD3: Enable DEVTMPFS
  MIPS: SEAD3: Regenerate defconfigs
  MIPS: Alchemy: DB1300: Add touch penirq support
  ...
2014-10-18 14:24:36 -07:00
Linus Torvalds 168f07a1ea Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Pull powerpc fix from Michael Ellerman:
 "There was a bit of a misunderstanding between us and the ARM guys in
  the device tree PCI code, which is breaking virtio on powerpc.

  This is the minimal fix until we can sort it out properly"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
  powerpc/pci: Fix IO space breakage after of_pci_range_to_resource() change
2014-10-18 14:22:32 -07:00
Linus Torvalds 9272f2dc39 Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs/smb3 updates from Steve French:
 "Improved SMB3 support (symlink and device emulation, and remapping by
  default the 7 reserved posix characters) and a workaround for cifs
  mounts to Mac (working around a commonly encountered Mac server bug)"

* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
  [CIFS] Remove obsolete comment
  Check minimum response length on query_network_interface
  Workaround Mac server problem
  Remap reserved posix characters by default (part 3/3)
  Allow conversion of characters in Mac remap range (part 2)
  Allow conversion of characters in Mac remap range. Part 1
  mfsymlinks support for SMB2.1/SMB3. Part 2 query symlink
  Add mfsymlinks support for SMB2.1/SMB3. Part 1 create symlink
  Allow mknod and mkfifo on SMB2/SMB3 mounts
  add defines for two new file attributes
2014-10-18 13:39:19 -07:00
Linus Torvalds e83e432372 dlm for 3.18
This includes a single commit fixing a missing endian conversion.
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Merge tag 'dlm-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm fix from David Teigland:
 "This includes a single commit fixing a missing endian conversion"

* tag 'dlm-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: fix missing endian conversion of rcom_status flags
2014-10-18 13:37:19 -07:00
Linus Torvalds ef161ea1ff Merge branch 'for-linus-update' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs data corruption fix from Chris Mason:
 "I'm testing a pull with more fixes, but wanted to get this one out so
  Greg can pick it up.

  The corruption isn't easy to hit, you have to do a readonly snapshot
  and have orphans in the snapshot.  But my review and testing missed
  the bug.  Filipe has added a better xfstest to cover it"

* 'for-linus-update' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Revert "Btrfs: race free update of commit root for ro snapshots"
2014-10-18 13:32:17 -07:00