175038 Commits

Author SHA1 Message Date
Dmitry Torokhov
628329d524 Input: add IMS Passenger Control Unit driver
The PCU is a device installed in the armrest of a plane seat and
is connected to IMS Rave Entertainment System. It has a set of control
buttons (Volume Up/Down, Attendant, Lights, etc) on one side and
gamepad-like controls on the other side.

Originally the device was handled from userspace and because of that
it presents itself on USB bus as a CDC-ACM modem device that however
can not make calls. However the custom handling is not as convenient
as using standard input subsystem facilities. If it was pure input
device it would be possible to continue using userspace solution
(moving it over to uinput), but the device also has backlighted keys
which can not be supported via uinput.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-12 08:50:22 -07:00
Markus Pargmann
d73a17e6c8 Input: wm9712 - fix dev_dbg newlines
dev_dbg should end with a new line.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-12 08:50:20 -07:00
Markus Pargmann
540792753c Input: wm9712 - fix wrong pen up readings
Often a reading can be wrong. This patch assures that this is really a
pen up event and not a false reading.

Based on wm9712: pen up by Teresa Gámez and Christian Hemp.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-12 08:50:20 -07:00
Markus Pargmann
fa45255ee7 Input: wm9712 - fix return code for wrong sample
Instead of interpreting a wrong measurement as pen up, we should
try to read again.

Based on wm9712: pen up by Teresa Gámez and Christian Hemp.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-12 08:50:19 -07:00
Markus Pargmann
cfd5d09691 Input: wm97xx - drop out of range inputs
With fast movements, there occured some out of screen jumps with my
touchscreen. The abs_x and abs_y module parameters should fix this by
default, but the driver doesn't actively checks the x/y coordinates.

Instead it seems that the input layer was supposed to drop out of range
inputs, as described in the comments:
"These parameters are used to help the input layer discard out of
range readings and reduce jitter etc"

The input layer documentation describes that values that are not in the
absolute range are also accepted.

So this patch adds a check within the driver.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-12 08:50:18 -07:00
Daniel Hellstrom
b4a034dab1 Input: add support for GRLIB APBPS2 PS/2 Keyboard/Mouse
APBPS2 is a PS/2 core part of GRLIB found in SPARC32/LEON
products.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-12 08:50:06 -07:00
Axel Lin
54fc4037ac mfd: ab8500-gpadc: Complain if we fail to enable vtvout LDO
Since commit c8801a8e
"regulator: core: Mark all get and enable calls as __must_check",
we must check return value of regulator_enable() to silence below build warning.

  CC      drivers/mfd/ab8500-gpadc.o
drivers/mfd/ab8500-gpadc.c: In function 'ab8500_gpadc_runtime_resume':
drivers/mfd/ab8500-gpadc.c:598:18: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
drivers/mfd/ab8500-gpadc.c: In function 'ab8500_gpadc_probe':
drivers/mfd/ab8500-gpadc.c:655:18: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]

Also convert to devm_regulator_get(), this fixes a missing regulator_put() call
in ab8500_gpadc_remove().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-12 09:34:39 +01:00
Mark Brown
6049bcefad mfd: twl4030-audio: Fix argument type for twl4030_audio_disable_resource()
Looks like the conversion to enum was missed for the definition of this
function, the declaration has been updated.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-12 09:25:51 +01:00
Mark Brown
80e4e6716e mfd: tps65912: Declare and use tps65912_irq_exit()
Clean up interrupts on exit, silencing a sparse warning caused by
tps65912_irq_exit() being defined but not prototyped as we go.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-12 09:25:50 +01:00
Laxman Dewangan
df545d1cd0 mfd: palmas: Provide irq flags through DT/platform data
Currently driver sets the irq type to IRQF_TRIGGER_LOW which is
causing interrupt registration failure in ARM based SoCs as:
[    0.208479] genirq: Setting trigger mode 8 for irq 118 failed (gic_set_type+0x0/0xf0)
[    0.208513] dummy 0-0059: Failed to request IRQ 118: -22

Provide the irq flags through platform data if device is registered
through board file or get the irq type from DT node property in place
of hardcoding the irq flag in driver to support multiple platforms.

Also configure the device to generate the interrupt signal according to
flag type.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-12 09:25:49 +01:00
Axel Lin
5c854aaece mfd: Make AB8500_CORE select POWER_SUPPLY to fix build error
This patch fixes below build error when CONFIG_POWER_SUPPLY is not set.

drivers/built-in.o: In function `ab8500_power_off':
drivers/mfd/ab8500-sysctrl.c:37: undefined reference to `power_supply_get_by_name'
drivers/mfd/ab8500-sysctrl.c:53: undefined reference to `power_supply_get_by_name'
make: *** [vmlinux] Error 1

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-12 09:25:31 +01:00
Roger Quadros
26bacba15e mfd: omap-usb-host: Actually update hostconfig
The helper functions omap_usbhs_rev1_hostconfig()
and omap_usbhs_rev2_hostconfig() don't write into
the hostconfig register. Make sure that we write
the return value into the hostconfig register.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-12 09:07:27 +01:00
Arnd Bergmann
7546152348 mvebu fixes for v3.9
The first four patches:
 
   89c58c1 rtc: rtc-mv: Add support for clk to avoid lockups
   de88747 gpio: mvebu: Add clk support to prevent lockup
   7bf5b40 ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
   93fff4c ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
 
 are Cc'd to stable since they were held over from the previous merge window.
 
 The rest are a small collection of fixes and a couple of devicetree conversion
 catchups.
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Merge tag 'mvebu_fixes_for_v3.9' of git://git.infradead.org/users/jcooper/linux into fixes

mvebu fixes for v3.9 from Jason Cooper <jason@lakedaemon.net>:

The first four patches:

  89c58c1 rtc: rtc-mv: Add support for clk to avoid lockups
  de88747 gpio: mvebu: Add clk support to prevent lockup
  7bf5b40 ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
  93fff4c ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency

are Cc'd to stable since they were held over from the previous merge window.

The rest are a small collection of fixes and a couple of devicetree conversion
catchups.

* tag 'mvebu_fixes_for_v3.9' of git://git.infradead.org/users/jcooper/linux:
  arm: mach-orion5x: fix typo in compatible string of a .dts file
  arm: mvebu: fix address-cells in mpic DT node
  arm: plat-orion: fix address decoding when > 4GB is used
  arm: mvebu: Reduce reg-io-width with UARTs
  ARM: Dove: add RTC device node
  arm: mvebu: enable the USB ports on Armada 370 Reference Design board
  ARM: dove: drop "select COMMON_CLK_DOVE"
  rtc: rtc-mv: Add support for clk to avoid lockups
  gpio: mvebu: Add clk support to prevent lockup
  ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
  ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-11 21:55:40 +01:00
Dan Williams
2d90e63603 qcaux: add Franklin U600
4 ports; AT/PPP is standard CDC-ACM.  The other three (added by this
patch) are QCDM/DIAG, possibly GPS, and unknown.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 11:09:17 -07:00
Felipe Balbi
fd5014ad5c usb: musb: core: fix possible build error with randconfig
when making commit e574d57 (usb: musb: fix
compile warning) I forgot to git add this
part of the patch which ended up introducing
a possible build error.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 11:09:17 -07:00
Liu Jinsong
d2e0bca377 xen/acpi: remove redundant acpi/acpi_drivers.h include
It's redundant since linux/acpi.h has include it when CONFIG_ACPI enabled,
and when CONFIG_ACPI disabled it will trigger compiling warning

In file included from drivers/xen/xen-stub.c:28:0:
include/acpi/acpi_drivers.h:103:31:
warning: 'struct acpi_device' declared inside parameter list [enabled by default]
include/acpi/acpi_drivers.h:103:31:
warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
include/acpi/acpi_drivers.h:107:43:
warning: 'struct acpi_pci_root' declared inside parameter list [enabled by default]

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2013-03-11 13:53:02 -04:00
Ian Abbott
564c526a1b staging: comedi: dt9812: use CR_CHAN() for channel number
As pointed out by Dan Carpenper in
<http://driverdev.linuxdriverproject.org/pipermail/devel/2013-February/036025.html>,
the dt9812 comedi driver's use of the `chanspec` member of `struct
comedi_insn` as a channel number is incorrect.  Change it to use
`CR_CHAN(insn->chanspec)` as the channel number (where `insn` is a
pointer to the `struct comedi_insn` being processed).

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org> # 3.8 onwards
Cc: Anders Blomdell <anders.blomdell@control.lth.se>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 10:21:05 -07:00
Geert Uytterhoeven
aa1e123482 staging/vt6656: Fix too large integer constant warning on 32-bit
drivers/staging/vt6656/card.c: In function ‘CARDqGetNextTBTT’:
drivers/staging/vt6656/card.c:793: warning: integer constant is too large for ‘unsigned long’ type

Commit c7b7cad0d8df823ea063c86a54316bbcbfa04a7c ("staging/vt6656: Fix
sparse warning constant 0xffffffff00000000U is so big it is unsigned long")
changed the constant to "0xffffffff00000000UL", but that only works on
64-bit.  Change it "0xffffffff00000000ULL" to fix it for 32-bit, too.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 09:53:46 -07:00
Kumar Amit Mehta
b5ae11463a staging: comedi: drivers: usbduxsigma.c: fix DMA buffers on stack
This patch fixes an instance of DMA buffer on stack(being passed to
usb_control_msg)for the USB-DUXsigma Board driver. Found using smatch.

Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 09:38:37 -07:00
Philipp Zabel
47b1be5c0f staging: imx/drm: request irq only after adding the crtc
If the bootloader already enabled the display, the interrupt handler
will be called as soon as it is registered. If the CRTC is not already
added at this time, the call to imx_drm_handle_vblank will result in
a NULL pointer dereference.

The patch fixes a kernel panic [1], which has been on linux-next since
Jan 8 [2].

[1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/218858
[2] http://thread.gmane.org/gmane.linux.ports.arm.kernel/208192

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 09:31:48 -07:00
Kumar Amit Mehta
161f440c8d staging: comedi: drivers: usbduxfast.c: fix for DMA buffers on stack
fix for instances of DMA buffer on stack(being passed to usb_control_msg) for
the USB-DUXfast Board driver.

Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 09:30:04 -07:00
Kumar Amit Mehta
d49c3d61cf staging: comedi: drivers: usbdux.c: fix DMA buffers on stack
fix for instances of DMA buffer on stack(being passed to usb_control_msg) for
the USB-DUX-D Board driver.

Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 09:30:04 -07:00
Malcolm Priestley
6987a6dabf staging: vt6656: Fix oops on resume from suspend.
Remove usb_put_dev from vt6656_suspend and usb_get_dev
from vt6566_resume.

These are not normally in suspend/resume functions.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: stable@vger.kernel.org # 3.0+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 09:30:04 -07:00
Matwey V. Kornilov
be3101c233 usb: cp210x new Vendor/Device IDs
This patch adds support for the Lake Shore Cryotronics devices to
the CP210x driver.

These lines are ported from cp210x driver distributed by Lake Shore web site:
   http://www.lakeshore.com/Documents/Lake%20Shore%20cp210x-3.0.0.tar.gz
and licensed under the terms of GPLv2.

Moreover, I've tested this changes with Lake Shore 335 in my labs.

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 08:37:35 -07:00
Greg Kroah-Hartman
4fa42e897d usb: fixes for v3.9-rc3
Most fixes are on 'musb' driver. There's a sparse warning
 fix which marks omap2430_glue as static, a build warning
 fix which was found with randconfig, a fix for omap_musb_mailbox
 check and removal of 'select' from musb's Kconfig to prevent
 Kconfig warnings.
 
 Other than that, pxa25x got a fix which was introduced by the
 latest conversion to udc_start/udc_stop patchset, kernel-doc
 warnings for composite layer  and dwc3 got a build fix on
 sparc64.
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Merge tag 'fixes-for-v3.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus

Felipe writes:

  usb: fixes for v3.9-rc3

  Most fixes are on 'musb' driver. There's a sparse warning
  fix which marks omap2430_glue as static, a build warning
  fix which was found with randconfig, a fix for omap_musb_mailbox
  check and removal of 'select' from musb's Kconfig to prevent
  Kconfig warnings.

  Other than that, pxa25x got a fix which was introduced by the
  latest conversion to udc_start/udc_stop patchset, kernel-doc
  warnings for composite layer  and dwc3 got a build fix on
  sparc64.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-11 08:20:26 -07:00
Linus Torvalds
0cb7750825 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Missing cancel of work items in mac80211 MLME, from Ben Greear.

 2) Fix DMA mapping handling in iwlwifi by using coherent DMA for
    command headers, from Johannes Berg.

 3) Decrease the amount of pressure on the page allocator by using order
    1 pages less in iwlwifi, from Emmanuel Grumbach.

 4) Fix mesh PS broadcast OOPS in mac80211, from Marco Porsch.

 5) Don't forget to recalculate idle state in mac80211 monitor
    interface, from Felix Fietkau.

 6) Fix varargs in netfilter conntrack handler, from Joe Perches.

 7) Need to reset entire chip when command queue fills up in iwlwifi,
    from Emmanuel Grumbach.

 8) The TX antenna value must be valid when calibrations are performed
    in iwlwifi, fix from Dor Shaish.

 9) Don't generate netfilter audit log entries when audit is disabled,
    from Gao Feng.

10) Deal with DMA unit hang on e1000e during power state transitions,
    from Bruce Allan.

11) Remove BUILD_BUG_ON check from igb driver, from Alexander Duyck.

12) Fix lockdep warning on i2c handling of igb driver, from Carolyn
    Wyborny.

13) Fix several TTY handling issues in IRDA ircomm tty driver, from
    Peter Hurley.

14) Several QFQ packet scheduler fixes from Paolo Valente.

15) When VXLAN encapsulates on transmit, we have to reset the netfilter
    state.  From Zang MingJie.

16) Fix jiffie check in net_rx_action() so that we really cap the
    processing at 2HZ.  From Eric Dumazet.

17) Fix erroneous trigger of IP option space exhaustion, when routers
    are pre-specified and we are looking to see if we can insert a
    timestamp, we will have the space.  From David Ward.

18) Fix various issues in benet driver wrt waiting for firmware to
    finish POST after resets or errors.  From Gavin Shan and Sathya
    Perla.

19) Fix TX locking in SFC driver, from Ben Hutchings.

20) Like the VXLAN fix above, when we encap in a TUN device we have to
    reset the netfilter state.  This should fix several strange crashes
    reported by Dave Jones and others.  From Eric Dumazet.

21) Don't forget to clean up MAC address resources when shutting down a
    port in mlx4 driver, from Yan Burman.

22) Fix divide by zero in vmxnet3 driver, from Bhavesh Davda.

23) Fix device statistic regression in tg3 when the driver is using
    phylib, from Nithin Sujir.

24) Fix info leak in several netlink handlers, from Mathias Krause.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (79 commits)
  6lowpan: Fix endianness issue in is_addr_link_local().
  rrunner.c: fix possible memory leak in rr_init_one()
  dcbnl: fix various netlink info leaks
  rtnl: fix info leak on RTM_GETLINK request for VF devices
  bridge: fix mdb info leaks
  tg3: Update link_up flag for phylib devices
  ipv6: stop multicast forwarding to process interface scoped addresses
  bridging: fix rx_handlers return code
  netlabel: fix build problems when CONFIG_IPV6=n
  drivers/isdn: checkng length to be sure not memory overflow
  net/rds: zero last byte for strncpy
  bnx2x: Fix SFP+ misconfiguration in iSCSI boot scenario
  bnx2x: Fix intermittent long KR2 link up time
  macvlan: Set IFF_UNICAST_FLT flag to prevent unnecessary promisc mode.
  team: unsyc the devices addresses when port is removed
  bridge: add missing vid to br_mdb_get()
  Fix: sparse warning in inet_csk_prepare_forced_close
  afkey: fix a typo
  MAINTAINERS: Update qlcnic maintainers list
  netlabel: correctly list all the static label mappings
  ...
2013-03-11 07:51:59 -07:00
Linus Torvalds
152fcb2784 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "Except for the largish change to the ALPS driver adding "Dolphin V1"
  support and Wacom getting a new signature of yet another device, the
  rest are straightforward driver fixes."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: mms114 - Fix regulator enable and disable paths
  Input: ads7864 - check return value of regulator enable
  Input: tc3589x-keypad - fix keymap size
  Input: wacom - add support for 0x10d
  Input: ALPS - update documentation for recent touchpad driver mods
  Input: ALPS - add "Dolphin V1" touchpad support
  Input: ALPS - remove unused argument to alps_enter_command_mode()
  Input: cypress_ps2 - fix trackpadi found in Dell XPS12
2013-03-11 07:49:37 -07:00
Felipe Balbi
66e4afc77f usb: gadget: pxa25x: fix disconnect reporting
when commit 6166c24 (usb: gadget: pxa25x_udc:
convert to udc_start/udc_stop) converted
this driver to udc_start/udc_stop, it failed
to consider the fact that stop_activity()
is called from disconnect interrupt.

Fix the problem so that gadget drivers know
about proper disconnect sequences.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-11 12:40:31 +02:00
Dave Airlie
8698080ee0 Merge branch 'drm-nouveau-fixes-3.9' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next
Regression fixes and oops fixes for nouveau.

* 'drm-nouveau-fixes-3.9' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nv50: use correct tiling methods for m2mf buffer moves
  drm/nouveau: idle channel before releasing notify object
  drm/nouveau: fix regression in vblanking
  drm/nv50: encoder creation failure doesn't mean full init failure
2013-03-11 13:53:58 +10:00
Mark Brown
4b7d293c64 Input: mms114 - Fix regulator enable and disable paths
When it uses regulators the mms114 driver checks to see if it managed to
acquire regulators and ignores errors. This is not the intended usage and
not great style in general.

Since the driver already refuses to probe if it fails to allocate the
regulators simply make the enable and disable calls unconditional and
add appropriate error handling, including adding cleanup of the
regulators if setup_reg() fails.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-10 18:34:07 -07:00
Mark Brown
f94352f8db Input: ads7864 - check return value of regulator enable
At least print a warning if we can't power the device up.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-10 18:33:15 -07:00
Rabin Vincent
3973501971 Input: tc3589x-keypad - fix keymap size
The keymap size used by tc3589x is too low, leading to the driver
overwriting other people's memory.  Fix this by making the driver
use the automatically allocated keymap provided by
matrix_keypad_build_keymap() instead of allocating one on its own.

Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-10 18:32:51 -07:00
Marcin Slusarz
c1b90df225 drm/nv50: use correct tiling methods for m2mf buffer moves
Currently used only on original nv50, nvaa and nvac.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-11 08:43:09 +10:00
Marcin Slusarz
2b77c1c01b drm/nouveau: idle channel before releasing notify object
Unmapping it while it's still in use (e.g. by M2MF) can lead to page faults
and a lot of TRAP_M2MF spam in dmesg.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-11 08:43:05 +10:00
Maarten Lankhorst
c8f28f8956 drm/nouveau: fix regression in vblanking
nv50_vblank_enable/disable got switched from NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_0 (4) << head to 1 << head, which is wrong.

4 << head is the correct value.

Fixes regression with vblanking since 1d7c71a3e2f77 "drm/nouveau/disp: port vblank handling to event interface"

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-11 08:43:00 +10:00
Ben Skeggs
94f54f5336 drm/nv50: encoder creation failure doesn't mean full init failure
It's meant as a notification only, not a fatal error.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-03-11 08:42:52 +10:00
David Oostdyk
fef4c86e59 rrunner.c: fix possible memory leak in rr_init_one()
In the event that register_netdev() failed, the rrpriv->evt_ring
allocation would have not been freed.

Signed-off-by: David Oostdyk <daveo@ll.mit.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-10 16:42:23 -04:00
Linus Torvalds
72932611b4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull namespace bugfixes from Eric Biederman:
 "This is three simple fixes against 3.9-rc1.  I have tested each of
  these fixes and verified they work correctly.

  The userns oops in key_change_session_keyring and the BUG_ON triggered
  by proc_ns_follow_link were found by Dave Jones.

  I am including the enhancement for mount to only trigger requests of
  filesystem modules here instead of delaying this for the 3.10 merge
  window because it is both trivial and the kind of change that tends to
  bit-rot if left untouched for two months."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  proc: Use nd_jump_link in proc_ns_follow_link
  fs: Limit sys_mount to only request filesystem modules (Part 2).
  fs: Limit sys_mount to only request filesystem modules.
  userns: Stop oopsing in key_change_session_keyring
2013-03-09 16:51:13 -08:00
Stephan Frank
5869483721 Input: wacom - add support for 0x10d
It is a Wacom device found in Fujitsu Lifebook T902.

Signed-off-by: Stephan Frank <sfrank@cs.tu-berlin.de>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-09 15:39:26 -08:00
Linus Torvalds
8343bce195 Atmel MXT touchscreen: increase reset timeouts
There is a more complete atmel patch-series out by Nick Dyer that fixes
this and other things, but in the meantime this is the minimal thing to
get the touchscreen going on (at least my) Pixel Chromebook.

Not that I want my dirty fingers near that beautiful screen, but it
seems that a non-initialized touchscreen will also end up being a
constant wakeup source, so you have to disable it to go to sleep.  And
it's easier to just fix the initialization sequence.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-09 10:31:01 -08:00
Benson Leung
2ef392042d Platform: x86: chromeos_laptop : Add basic platform data for atmel devices
Add basic platform data to get the current upstream driver working
with the 224s touchpad and 1664s touchscreen.
We will be using NULL config so we will use the settings from the
devices' NVRAMs.

Signed-off-by: Benson Leung <bleung@chromium.org>
Tested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08 16:03:29 -08:00
Daniel Kurtz
22dfab7fd7 Input: atmel_mxt_ts - Support for touchpad variant
This same driver can be used by atmel based touchscreens and touchpads
(buttonpads). Platform data may specify a device is a touchpad
using the is_tp flag.

This will cause the driver to perform some touchpad specific
initializations, such as:
  * register input device name "Atmel maXTouch Touchpad" instead of
  Touchscreen.
  * register BTN_LEFT & BTN_TOOL_* event types.
  * register axis resolution (as a fixed constant, for now)
  * register BUTTONPAD property
  * process GPIO buttons using reportid T19

Input event GPIO mapping is done by the platform data key_map array.

key_map[x] should contain the KEY or BTN code to send when processing
GPIOx from T19. To specify a GPIO as not an input source, populate
with KEY_RESERVED, or 0.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Tested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08 16:03:29 -08:00
Linus Torvalds
59d8e5eb2b Merge branch 'akpm' (fixes from Andrew)
Merge misc fixes from Andrew Morton.

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  alpha: boot: fix build breakage introduced by system.h disintegration
  memcg: initialize kmem-cache destroying work earlier
  Randy has moved
  ksm: fix m68k build: only NUMA needs pfn_to_nid
  dmi_scan: fix missing check for _DMI_ signature in smbios_present()
  Revert parts of "hlist: drop the node parameter from iterators"
  idr: remove WARN_ON_ONCE() on negative IDs
  mm/mempolicy.c: fix sp_node_init() argument ordering
  mm/mempolicy.c: fix wrong sp_node insertion
  ipc: don't allocate a copy larger than max
  ipc: fix potential oops when src msg > 4k w/ MSG_COPY
2013-03-08 15:05:42 -08:00
Ben Hutchings
a40e7cf8f0 dmi_scan: fix missing check for _DMI_ signature in smbios_present()
Commit 9f9c9cbb6057 ("drivers/firmware/dmi_scan.c: fetch dmi version
from SMBIOS if it exists") hoisted the check for "_DMI_" into
dmi_scan_machine(), which means that we don't bother to check for
"_DMI_" at offset 16 in an SMBIOS entry.  smbios_present() may also call
dmi_present() for an address where we found "_SM_", if it failed further
validation.

Check for "_DMI_" in smbios_present() before calling dmi_present().

[akpm@linux-foundation.org: fix build]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Reported-by: Tim McGrath <tmhikaru@gmail.com>
Tested-by: Tim Mcgrath <tmhikaru@gmail.com>
Cc: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08 15:05:34 -08:00
Linus Torvalds
d381f45c89 Merge branch 'for-3.9/upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fix from Jiri Kosina:
 "Bugfix for a long-standing bug in logitech-dj driver causing all sorts
  of random initialization problems, finally debugged by Benjamin
  Tissoires with help of Bob Bowles."

* 'for-3.9/upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: logitech-dj: do not directly call hid_output_raw_report() during probe
2013-03-08 14:42:52 -08:00
Linus Torvalds
c77f8bf918 Fix a circular locking dependency in random's collection of cputime
used by a thread when it exits.
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

Pull random fixes from Ted Ts'o:
 "Fix a circular locking dependency in random's collection of cputime
  used by a thread when it exits."

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
  random: fix locking dependency with the tasklist_lock
2013-03-08 14:42:16 -08:00
Andrew Lunn
89c58c198b rtc: rtc-mv: Add support for clk to avoid lockups
The Marvell RTC on Kirkwood makes use of the runit clock. Ensure the
driver clk_prepare_enable() this clock, otherwise there is a danger
the SoC will lockup when accessing RTC registers with the clock
disabled.

Reported-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 21:34:41 +00:00
Andrew Lunn
de88747f51 gpio: mvebu: Add clk support to prevent lockup
The kirkwood SoC GPIO cores use the runit clock. Add code to
clk_prepare_enable() runit, otherwise there is a danger of locking up
the SoC by accessing the GPIO registers when runit clock is not
ticking.

Reported-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 21:34:34 +00:00
Nithin Sujir
84421b99ce tg3: Update link_up flag for phylib devices
Commit f4a46d1f46a8fece34edd2023e054072b02e110d introduced a bug where
the ifconfig stats would remain 0 for phylib devices. This is due to
tp->link_up flag never becoming true causing tg3_periodic_fetch_stats()
to return.

The link_up flag was being updated in tg3_test_and_report_link_chg()
after setting up the phy. This function however, is not called for
phylib devices since the driver does not do the phy setup.

This patch moves the link_up flag update into the common
tg3_link_report() function that gets called for phylib devices as well
for non phylib devices when the link state changes.

To avoid updating link_up twice, we replace tg3_carrier_...() calls that
are followed by tg3_link_report(), with netif_carrier_...(). We can then
remove the unused tg3_carrier_on() function.

CC: <stable@vger.kernel.org>
Reported-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-08 13:14:58 -05:00
Andrew Morton
c390b0363d usb: dwc3: ep0: fix sparc64 build
drivers/usb/dwc3/ep0.c: In function `__dwc3_ep0_do_control_data':
drivers/usb/dwc3/ep0.c:905: error: `typeof' applied to a bit-field

Looks like a gcc-3.4.5/sparc64 bug.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-08 09:42:50 +02:00