openwrt/staging/blogic.git
11 years agoMerge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel...
Dave Airlie [Fri, 24 May 2013 00:15:12 +0000 (10:15 +1000)]
Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-next

Daniel writes:
A few fixes, nothing shocking:
- More Haswell pci ids. Includes a pile of marketing spare ids (which
  despite the spare moniker show up all over the place).
- Fix a regression in handling modeset failures, resulting in black
  screens on 3 pipe setups when we've run out of pch plls (Chris).
- Fix up the setcrtc semantics to unconditionally enable the outputs.
  Juding from git digging that has (kinda) always been the case and neatly
  fixes a few long-standing (i.e. forever) bug reports (Imre).
- jiffies_timeout + 1 patches from Imre. They partially fix spurious
  wait_event failures in the interrupt-driven dp aux/i2c code. The other
  part is a core patch for the wait_event macros going in through -mm. A
  few patches more than strictly required since Imre is pushing for a
  general solution in 3.11.

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: avoid premature DP AUX timeouts
  drm/i915: avoid premature timeouts in __wait_seqno()
  drm/i915: use msecs_to_jiffies_timeout instead of open coding the same
  drm/i915: add msecs_to_jiffies_timeout to guarantee minimum duration
  drm/i915: force full modeset if the connector is in DPMS OFF mode
  drm/i915: Propagate errors back from fb set-base
  drm/i915: Adding more reserved PCI IDs for Haswell.

11 years agoMerge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
Dave Airlie [Fri, 24 May 2013 00:14:57 +0000 (10:14 +1000)]
Merge branch 'exynos-drm-fixes' of git://git./linux/kernel/git/daeinki/drm-exynos into drm-next

Inki writes:
  This pull request includes drm_send_vblank_event() helper
   relevant patch I missed and code cleanups. And also it fixes
   a pended page flip issue.

* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
  drm/exynos: replace request_threaded_irq with devm function
  drm/exynos: remove unnecessary devm_kfree
  drm/exynos: fix build warnings from ipp fimc
  drm/exynos: cleanup device pointer usages
  drm/exynos: wait for the completion of pending page flip
  drm/exynos: use drm_send_vblank_event() helper
  drm/exynos: page flip fixes
  drm/exynos: exynos_hdmi: Pass correct pointer to free_irq()
  drm/exynos: exynos_drm_ipp: Fix incorrect usage of IS_ERR_OR_NULL
  drm/exynos: exynos_drm_fbdev: Fix incorrect usage of IS_ERR_OR_NULL

Conflicts:
drivers/gpu/drm/exynos/exynos_hdmi.c

11 years agoMerge remote-tracking branch 'pfdo/drm-fixes' into drm-next
Dave Airlie [Fri, 24 May 2013 00:12:22 +0000 (10:12 +1000)]
Merge remote-tracking branch 'pfdo/drm-fixes' into drm-next

Pull the vblank event changes into a Linus master tree to make merging
easier.

11 years agoMerge tag 'pci-v3.10-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaa...
Linus Torvalds [Thu, 23 May 2013 20:50:53 +0000 (13:50 -0700)]
Merge tag 'pci-v3.10-fixes-2' of git://git./linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "Here are some more fixes for v3.10.  The Moorestown update broke Intel
  Medfield devices, so I reverted it.  The acpiphp change fixes a
  regression: we broke hotplug notifications to host bridges when we
  split acpiphp into the host-bridge related part and the
  endpoint-related part.

  Moorestown
      Revert "x86/pci/mrst: Use configuration mechanism 1 for 00:00.0, 00:02.0, 00:03.0"
  Hotplug
      PCI: acpiphp: Re-enumerate devices when host bridge receives Bus Check"

* tag 'pci-v3.10-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  Revert "x86/pci/mrst: Use configuration mechanism 1 for 00:00.0, 00:02.0, 00:03.0"
  PCI: acpiphp: Re-enumerate devices when host bridge receives Bus Check

11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Linus Torvalds [Thu, 23 May 2013 20:50:03 +0000 (13:50 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:
 "A few fixups to Wacom and eGalax touchscreen driver"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: wacom - add an eraser to DTH2242/DTK2241
  Input: wacom - add a few new styli for Cintiq series
  Input: wacom - add three new display tablets
  Input: egalax_ts - ABS_MT_POSITION_Y not reported well

11 years agoMerge tag 'tty-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Linus Torvalds [Thu, 23 May 2013 16:28:34 +0000 (09:28 -0700)]
Merge tag 'tty-3.10-rc2' of git://git./linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg Kroah-Hartman:
 "Here are some tty / serial driver fixes for 3.10-rc2.

  Nothing huge, although the rocket driver fix looks large, it's just
  moving the code around to fix the reported build issues in it.  Other
  than that, this has the fix for the of-reported lockdep warning from
  the vt layer, as well as some other needed bugfixes.

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

* tag 'tty-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: mxser: Fix build warning introduced by dfc7b837c7f9 (Re: linux-next: build warning after merge of the tty.current tree)
  tty: mxser: fix usage of opmode_ioaddr
  serial: 8250_dw: add ACPI ID for Intel BayTrail
  TTY: Fix tty miss restart after we turn off flow-control
  tty/vt: Fix vc_deallocate() lock order
  TTY: ehv_bytechan: add missing platform_driver_unregister() when module exit
  TTY: rocket, fix more no-PCI warnings
  serial: mcf: missing uart_unregister_driver() on error in mcf_init()
  tty: serial: mpc5xxx: fix error handing in mpc52xx_uart_init()
  serial: samsung: add missing platform_driver_unregister() when module exit
  serial: pl011: protect attribute read from NULL platform data struct
  tty: nwpserial: Pass correct pointer to free_irq()
  serial: 8250_dw: Add valid clk pointer check

11 years agoMerge tag 'staging-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Thu, 23 May 2013 16:27:49 +0000 (09:27 -0700)]
Merge tag 'staging-3.10-rc2' of git://git./linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg Kroah-Hartman:
 "Here are some staging tree driver fixes for 3.10-rc2

  The drivers/iio/ changes are here as they are still tied into
  drivers/staging/iio/.

  Nothing major, just a number of small bugfixes, and a larger
  documentation update for the ramster code."

* tag 'staging-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (28 commits)
  staging: dwc2: remove compile warning for USB_DWC2_TRACK_MISSED_SOFS
  iio: exynos_adc: fix wrong structure extration in suspend and resume
  iio:common:st: added disable function after read info raw data
  iio: dac: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
  staging:iio:light:tsl2x7x: fix the error handling in tsl2x7x_probe()
  staging/iio/mxs-lradc: fix preenable for multiple buffers
  staging: imx-drm: imx-tve: Check the return value of 'regulator_enable()'
  staging: video: imx: Select VIDEOMODE_HELPERS for parallel display
  staging: ramster: add how-to document
  staging: dwc2: Fix dma-enabled platform devices using a default dma_mask
  staging: vt6656: [bug] Fix missing spin lock in iwctl_siwpower.
  staging: Swap zram and zsmalloc in Kconfig
  staging: android: logger: use kuid_t instead of uid_t
  staging: zcache: Fix incorrect module_param_array types
  staging/solo6x10: depend on CONFIG_FONTS
  staging/drm: imx: add missing dependencies
  staging: ste_rmi4: Suppress 'ignoring return value of ‘regulator_enable()' warning
  staging: sep: fix driver build and kconfig
  staging: nvec: cleanup childs on remove
  staging: nvec: implement unregistering of notifiers
  ...

11 years agoMerge tag 'driver-core-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 23 May 2013 16:27:08 +0000 (09:27 -0700)]
Merge tag 'driver-core-3.10-rc2' of git://git./linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg Kroah-Hartman:
 "Here are 3 tiny driver core fixes for 3.10-rc2.

  A needed symbol export, a change to make it easier to track down
  offending sysfs files with incorrect attributes, and a klist bugfix.

  All have been in linux-next for a while"

* tag 'driver-core-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  klist: del waiter from klist_remove_waiters before wakeup waitting process
  driver core: print sysfs attribute name when warning about bogus permissions
  driver core: export subsys_virtual_register

11 years agoMerge tag 'char-misc-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregk...
Linus Torvalds [Thu, 23 May 2013 16:26:32 +0000 (09:26 -0700)]
Merge tag 'char-misc-3.10-rc2' of git://git./linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg Kroah-Hartman:
 "Here are some small char/misc driver fixes for 3.10-rc2.

  Nothing major here, just a number of fixes for things that people have
  reported, and a MAINTAINERS update for the recent changes for the
  hyperv files that went into 3.10-rc1."

* tag 'char-misc-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  ttyprintk: Fix NULL pointer deref by setting tty_port ops after initializing port
  uio: UIO_DMEM_GENIRQ should depend on HAS_DMA
  MAINTAINERS: update Hyper-V file list
  mei: bus: Reset event_cb when disabling a device
  Drivers: hv: Fix a bug in get_vp_index()
  mei: fix out of array access to me clients array
  Char: lp, protect LPGETSTATUS with port_mutex
  dummy-irq: require the user to specify an IRQ number

11 years agoMerge tag 'usb-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Thu, 23 May 2013 16:23:32 +0000 (09:23 -0700)]
Merge tag 'usb-3.10-rc2' of git://git./linux/kernel/git/gregkh/usb

Pull USB fixes from Greg Kroah-Hartman:
 "Here are a number of tiny USB bugfixes / new device ids for 3.10-rc2

  The majority of these are USB gadget fixes, but they are all small.
  Other than that, some USB host controller fixes, and USB serial driver
  fixes for problems reported with them.

  Also hopefully a fixed up USB_OTG Kconfig dependancy, that one seems
  to be almost impossible to get right for all of the different
  platforms these days."

* tag 'usb-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (56 commits)
  USB: cxacru: potential underflow in cxacru_cm_get_array()
  USB: ftdi_sio: Add support for Newport CONEX motor drivers
  USB: option: add device IDs for Dell 5804 (Novatel E371) WWAN card
  usb: ohci: fix goto wrong tag in err case
  usb: isp1760-if: fix memleak when platform_get_resource fail
  usb: ehci-s5p: fix memleak when fallback to pdata
  USB: serial: clean up chars_in_buffer
  USB: ti_usb_3410_5052: fix chars_in_buffer overhead
  USB: io_ti: fix chars_in_buffer overhead
  USB: ftdi_sio: fix chars_in_buffer overhead
  USB: ftdi_sio: clean up get_modem_status
  USB: serial: add generic wait_until_sent implementation
  USB: serial: add wait_until_sent operation
  USB: set device dma_mask without reference to global data
  USB: Blacklisted Cinterion's PLxx WWAN Interface
  usb: option: Add Telewell TW-LTE 4G
  USB: EHCI: remove bogus #error
  USB: reset resume quirk needed by a hub
  USB: usb-stor: realtek_cr: Fix compile error
  usb, chipidea: fix link error when USB_EHCI_HCD is a module
  ...

11 years agoMerge git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Thu, 23 May 2013 16:18:08 +0000 (09:18 -0700)]
Merge git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm bugfixes from Gleb Natapov.

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM/MIPS32: Wrap calls to gfn_to_pfn() with srcu_read_lock/unlock()
  KVM/MIPS32: Move include/asm/kvm.h => include/uapi/asm/kvm.h since it is a user visible API.
  KVM: take over co-maintainership from Marcelo, fix MAINTAINERS entry

11 years agolib: make iovec obj instead of lib
Randy Dunlap [Thu, 23 May 2013 05:46:09 +0000 (22:46 -0700)]
lib: make iovec obj instead of lib

Fix build error io vmw_vmci.ko when CONFIG_VMWARE_VMCI=m by chaning
iovec.o from lib-y to obj-y.

  ERROR: "memcpy_toiovec" [drivers/misc/vmw_vmci/vmw_vmci.ko] undefined!
  ERROR: "memcpy_fromiovec" [drivers/misc/vmw_vmci/vmw_vmci.ko] undefined!

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoInput: wacom - add an eraser to DTH2242/DTK2241
Ping Cheng [Wed, 15 May 2013 06:34:53 +0000 (23:34 -0700)]
Input: wacom - add an eraser to DTH2242/DTK2241

plus send begin and end of express keys events for
Cintiq 13HD and DTH2242/DTK2241

Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
11 years agodrm/exynos: replace request_threaded_irq with devm function
Seung-Woo Kim [Wed, 22 May 2013 12:14:17 +0000 (21:14 +0900)]
drm/exynos: replace request_threaded_irq with devm function

devm_request_threaded_irq is used instead of request_threaded_irq
and free_irq is removed.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agodrm/exynos: remove unnecessary devm_kfree
Seung-Woo Kim [Wed, 22 May 2013 12:14:16 +0000 (21:14 +0900)]
drm/exynos: remove unnecessary devm_kfree

devm_kfree does not need for fail case of probe function and for
remove function.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agodrm/exynos: fix build warnings from ipp fimc
Seung-Woo Kim [Wed, 22 May 2013 12:14:15 +0000 (21:14 +0900)]
drm/exynos: fix build warnings from ipp fimc

Becuase of order of headers, there are build warnings and they are
fixed with this patch.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agodrm/exynos: cleanup device pointer usages
Seung-Woo Kim [Wed, 22 May 2013 12:14:14 +0000 (21:14 +0900)]
drm/exynos: cleanup device pointer usages

Struct device pointer got from platform device pointer is already
alsigned as variable, but some functions do not use device pointer.
So this patch replaces thoes usages.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agodrm/exynos: wait for the completion of pending page flip
Inki Dae [Tue, 21 May 2013 07:55:58 +0000 (16:55 +0900)]
drm/exynos: wait for the completion of pending page flip

This patch fixes the issue that drm_vblank_get() is failed.

The issus occurs when next page flip request is tried
if previous page flip event wasn't completed yet and then
dpms became off.

So this patch make sure that page flip event is completed
before dpms goes to off.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
11 years agodrm/exynos: use drm_send_vblank_event() helper
Rob Clark [Wed, 22 May 2013 02:48:40 +0000 (11:48 +0900)]
drm/exynos: use drm_send_vblank_event() helper

Rebased.

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt...
Linus Torvalds [Thu, 23 May 2013 01:06:57 +0000 (18:06 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/egtvedt/linux-avr32

Pull AVR32 update from Hans-Christian Egtvedt:
 "wow, it has gone 10 releases since my last request :("

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32:
  avr32: fix building warnings caused by redefinitions of HZ
  avr32: fix relocation check for signed 18-bit offset
  avr32: move NODES_SHIFT into Kconfig and delete numnodes.h

11 years agoMerge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Linus Torvalds [Thu, 23 May 2013 01:05:45 +0000 (18:05 -0700)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus

Pull MIPS update from Ralf Baechle:
 - Fix a build error if <linux/printk.h> is included without
   <linux/linkage.h> having been included before.
 - Cleanup and fix the damage done by the generic idle loop patch.
 - A kprobes fix that brings the MIPS code in line with what other
   architectures are for quite a while already.
 - Wire up the native getdents64(2) syscall for 64 bit - for some reason
   it was only for the compat ABIs.  This has been reported to cause an
   application issue.  This turned out bigger than I meant but the wait
   instruction support code was driving me nuts.

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: N64: Wire getdents64(2)
  kprobes/mips: Fix to check double free of insn slot
  MIPS: Idle: Break r4k_wait into two functions and fix it.
  MIPS: Idle: Do address fiddlery in helper functions.
  MIPS: Idle: Consolidate all declarations in <asm/idle.h>.
  MIPS: Idle: Don't call local_irq_disable() in cpu_wait() implementations.
  MIPS: Idle: Re-enable irqs at the end of r3081, au1k and loongson2 cpu_wait.
  MIPS: Idle: Make call of function pointer readable.
  MIPS: Idle: Consistently reformat inline assembler.
  MIPS: Idle: cleaup SMTC idle hook as per Linux coding style.
  MIPS: Consolidate idle loop / WAIT instruction support in a single file.
  MIPS: clock.h: Remove declaration of cpu_wait.
  Add include dependencies to <linux/printk.h>.
  MIPS: Rewrite pfn_valid to work in modules, too.

11 years agostaging: dwc2: remove compile warning for USB_DWC2_TRACK_MISSED_SOFS
Paul Zimmerman [Wed, 22 May 2013 22:10:15 +0000 (15:10 -0700)]
staging: dwc2: remove compile warning for USB_DWC2_TRACK_MISSED_SOFS

Remove the compile-time warning for this config option, and instead
warn that it is experimental in the Kconfig text

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoMerge tag 'iio-fixes-for-3.10a' of git://git.kernel.org/pub/scm/linux/kernel/git...
Greg Kroah-Hartman [Wed, 22 May 2013 22:11:31 +0000 (15:11 -0700)]
Merge tag 'iio-fixes-for-3.10a' of git://git./linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First round of IIO fixes for the 3.10 cycle.

The usual mixed bag of little fixes.

1) A fix for mxs-lradc having missed out on some global abi changes that and
   hence being unable to start up buffered output.
2) Clean up error handling in tsl2x7x
3) A build fix for some of the dac drivers when they have spi master support
   built in, but i2c support build as a module.
4) Add a missing disable after a oneshot capture to the st sensor core.
5) Exynos adc driver took a novel an incorrect route to get at its private
   data store.

11 years agoiio: exynos_adc: fix wrong structure extration in suspend and resume
Naveen Krishna Chatradhi [Mon, 20 May 2013 06:34:00 +0000 (07:34 +0100)]
iio: exynos_adc: fix wrong structure extration in suspend and resume

The exynos_adc device structure was wrongly extracted from the dev*
correcting the same.

Using the regular conversion of
struct device* -> struct platform_device* -> struct exynos_adc* seems wrong.
Instead we should be doing
struct device* -> struct iio_dev* -> struct exynos_adc*

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoiio:common:st: added disable function after read info raw data
Denis CIOCCA [Thu, 9 May 2013 13:35:00 +0000 (14:35 +0100)]
iio:common:st: added disable function after read info raw data

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoiio: dac: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
Axel Lin [Thu, 9 May 2013 07:49:00 +0000 (08:49 +0100)]
iio: dac: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m

This patch fixes below build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m:

drivers/built-in.o: In function `ad5064_i2c_write':
drivers/iio/dac/ad5064.c:608: undefined reference to `i2c_master_send'
drivers/built-in.o: In function `ad5064_i2c_register_driver':
drivers/iio/dac/ad5064.c:646: undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `ad5064_i2c_unregister_driver':
drivers/iio/dac/ad5064.c:651: undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1

When CONFIG_I2C=m, meaning we can't build the drivers in with I2C support.
Thus don't allow the drivers to be compiled as built-in when CONFIG_I2C=m.

The real fix though is to break the driver apart into a SPI part, an I2C part
and a common part. But that's something for 3.11 while this is something for
3.10/stable.

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agostaging:iio:light:tsl2x7x: fix the error handling in tsl2x7x_probe()
Wei Yongjun [Tue, 7 May 2013 11:51:00 +0000 (12:51 +0100)]
staging:iio:light:tsl2x7x: fix the error handling in tsl2x7x_probe()

Fix to return -EINVAL in the i2c device found error handling
case instead of 0, as done elsewhere in this function.
And also correct the fail1 and fail2 lable to do the right thing.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agostaging/iio/mxs-lradc: fix preenable for multiple buffers
Michał Mirosław [Sat, 4 May 2013 13:19:00 +0000 (14:19 +0100)]
staging/iio/mxs-lradc: fix preenable for multiple buffers

This fixes 'preenable failed: -EINVAL' error when using this driver.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoavr32: fix building warnings caused by redefinitions of HZ
Jiang Liu [Fri, 17 May 2013 15:45:18 +0000 (23:45 +0800)]
avr32: fix building warnings caused by redefinitions of HZ

As suggested by David Howells <dhowells@redhat.com>, use
asm-generic/param.h and uapi/asm-generic/param.h for AVR32.

It also fixes building warnings caused by redefinitions of HZ:
In file included from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
                 from include/linux/timex.h:63,
                 from include/linux/jiffies.h:8,
                 from include/linux/ktime.h:25,
                 from include/linux/timer.h:5,
                 from include/linux/workqueue.h:8,
                 from include/linux/srcu.h:34,
                 from include/linux/notifier.h:15,
                 from include/linux/memory_hotplug.h:6,
                 from include/linux/mmzone.h:777,
                 from include/linux/gfp.h:4,
                 from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:6:1: warning: "HZ" redefined
In file included from /ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:4,
                 from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
                 from include/linux/timex.h:63,
                 from include/linux/jiffies.h:8,
                 from include/linux/ktime.h:25,
                 from include/linux/timer.h:5,
                 from include/linux/workqueue.h:8,
                 from include/linux/srcu.h:34,
                 from include/linux/notifier.h:15,
                 from include/linux/memory_hotplug.h:6,
                 from include/linux/mmzone.h:777,
                 from include/linux/gfp.h:4,
                 from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/uapi/asm/param.h:6:1: warning: this is the location of the previous definition

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
11 years agotty: mxser: Fix build warning introduced by dfc7b837c7f9 (Re: linux-next: build warni...
Matwey V. Kornilov [Wed, 22 May 2013 07:13:38 +0000 (11:13 +0400)]
tty: mxser: Fix build warning introduced by dfc7b837c7f9 (Re: linux-next: build warning after merge of the tty.current tree)

Fix build warning at mxser.c introduced by dfc7b837c7f9 (tty: mxser: fix
usage of opmode_ioaddr)

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agomm: Fix virt_to_page() warning
Ralf Baechle [Wed, 22 May 2013 10:18:47 +0000 (12:18 +0200)]
mm: Fix virt_to_page() warning

virt_to_page() is typically implemented as a macro containing a cast so
that it will accept both pointers and unsigned long without causing a
warning.

But MIPS virt_to_page() uses virt_to_phys which is a function so passing
an unsigned long will cause a warning:

    CC      mm/page_alloc.o
  mm/page_alloc.c: In function ‘free_reserved_area’:
  mm/page_alloc.c:5161:3: warning: passing argument 1 of ‘virt_to_phys’ makes pointer from integer without a cast [enabled by default]
  arch/mips/include/asm/io.h:119:100: note: expected ‘const volatile void *’ but argument is of type ‘long unsigned int’

All others users of virt_to_page() in mm/ are passing a void *.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Eunbong Song <eunb.song@samsung.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-mips@linux-mips.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoMerge tag 'mfd-fixes-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo...
Linus Torvalds [Wed, 22 May 2013 14:18:41 +0000 (07:18 -0700)]
Merge tag 'mfd-fixes-3.10-1' of git://git./linux/kernel/git/sameo/mfd-fixes

Pull mfd fixes from Samuel Ortiz:
 "This is the first batch of MFD fixes for 3.10.

  It's bigger than I would like, most of it is due to the big ab/db8500
  merge that went through during the 3.10 merge window.

  So we have:

   - Some build fixes for the tps65912 and ab8500 drivers.
   - A couple of build fixes for the the si476x driver with pre 4.3 gcc
     compilers.
   - A few runtime breakage fixes (probe failures or oopses) for the
     ab8500 and db8500 drivers.
   - Some sparse or regular gcc warning fixes for the si476x, ab8500 and
     cros_ec drivers."

* tag 'mfd-fixes-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes:
  mfd: ab8500-sysctrl: Let sysctrl driver work without pdata
  mfd: db8500-prcmu: Update stored DSI PLL divider value
  mfd: ab8500-sysctrl: Always enable pm_power_off handler
  mfd: ab8500-core: Pass GPADC compatible string to MFD core
  mfd: db8500-prcmu: Supply the pdata_size attribute for db8500-thermal
  mfd: ab8500-core: Use the correct driver name when enabling gpio/pinctrl
  mfd: ab8500: Pass AB8500 IRQ to debugfs code by resource
  mfd: ab8500-gpadc: Suppress 'ignoring regulator_enable() return value' warning
  mfd: ab8500-sysctrl: Set sysctrl_dev during probe
  mfd: ab8500-sysctrl: Fix sparse warning
  mfd: abx500-core: Fix sparse warning
  mfd: ab8500: Debugfs code depends on gpadc
  mfd: si476x: Use get_unaligned_be16() for unaligned be16 loads
  mfd: cros_ec_spi: Use %z to format pointer differences
  mfd: si476x: Do not use binary constants
  mfd: tps65912: Select MFD_CORE

11 years agoMerge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty...
Linus Torvalds [Wed, 22 May 2013 14:16:49 +0000 (07:16 -0700)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/rusty/linux

Pull virtio fixes from Rusty Russell:
 "A build fix and a uapi exposure fix.  The build fix is later than I
  liked, but my first version broke linux-next due to overzealous header
  clean."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio_console: fix uapi header
  Hoist memcpy_fromiovec/memcpy_toiovec into lib/

11 years agoMIPS: N64: Wire getdents64(2)
Aron Xu [Tue, 21 May 2013 13:37:06 +0000 (13:37 +0000)]
MIPS: N64: Wire getdents64(2)

As a relatively new ABI, N64 only had getdents syscall while other modern
architectures have getdents64.

This was noticed when Python 3.3 shifted to the latter one for aarch64.

[ralf@linux-mips.org: The history of getdents64 is a little complicated.
Commit 1a1d77dd589de5a567fa95e36aa6999c704ceca4 [Merge with 2.4.0-test7.]
added N64 getdents(2) to arch/mips64/kernel/scall_64.S as syscall 5213,
then dropped again in 578720675c44e54e8aa7c68f6dce59ed37ce3d3b [Overhaul
of the 64-bit syscall interface.  Now heritage free.] for 2.5.18 in 2002.]

Signed-off-by: Aron Xu <aron@debian.org>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5285/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agodrm/i915: avoid premature DP AUX timeouts
Imre Deak [Tue, 21 May 2013 17:03:20 +0000 (20:03 +0300)]
drm/i915: avoid premature DP AUX timeouts

During DP AUX communication we might time out 1 jiffy too early, because
the calculated expiry jiffy value is one less than needed.

This is only one reason for false DP AUX timeouts. For a complete
solution we also need the following fix, which is now queued for
mainline: http://marc.info/?l=linux-kernel&m=136748515710837&w=2

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64133

Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
11 years agodrm/i915: avoid premature timeouts in __wait_seqno()
Imre Deak [Tue, 21 May 2013 17:03:19 +0000 (20:03 +0300)]
drm/i915: avoid premature timeouts in __wait_seqno()

At the moment wait_event_timeout/wait_event_interruptible_timeout may
time out 1 jiffy too early, as the calculated expiry time is 1 less than
needed. Besides timing out too early this also means that the
calculation of the remaining time will be incorrect and we will pass a
non-zero remaining time to user space in case of a time out. This is one
reason for the following bugzilla report:

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64270

Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
11 years agodrm/i915: use msecs_to_jiffies_timeout instead of open coding the same
Imre Deak [Tue, 21 May 2013 17:03:18 +0000 (20:03 +0300)]
drm/i915: use msecs_to_jiffies_timeout instead of open coding the same

Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
11 years agodrm/i915: add msecs_to_jiffies_timeout to guarantee minimum duration
Imre Deak [Tue, 21 May 2013 17:03:17 +0000 (20:03 +0300)]
drm/i915: add msecs_to_jiffies_timeout to guarantee minimum duration

We need this to avoid premature timeouts whenever scheduling a timeout
based on the current jiffies value. For an explanation see [1].
The following patches will take the helper into use.

Once the more generic solution proposed in the thread at [1] is accepted
this patch can be reverted while keeping the follow-up patches.

[1] http://marc.info/?l=linux-kernel&m=136854294730957&w=2

Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
11 years agokprobes/mips: Fix to check double free of insn slot
Masami Hiramatsu [Wed, 22 May 2013 08:34:13 +0000 (08:34 +0000)]
kprobes/mips: Fix to check double free of insn slot

Fix to check double free of insn_slot at arch_remove_kprobe
as other arches do.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: Maneesh Soni <manesoni@cisco.com>
Cc: Victor Kamensky <kamensky@cisco.com>
Cc: linux-mips@linux-mips.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: yrl.pp-manager.tt@hitachi.com
Cc: systemtap@sourceware.org
Patchwork: https://patchwork.linux-mips.org/patch/5293/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoKVM/MIPS32: Wrap calls to gfn_to_pfn() with srcu_read_lock/unlock()
Sanjay Lal [Sat, 18 May 2013 13:54:24 +0000 (06:54 -0700)]
KVM/MIPS32: Wrap calls to gfn_to_pfn() with srcu_read_lock/unlock()

- As suggested by Gleb, wrap calls to gfn_to_pfn() with srcu_read_lock/unlock().
  Memory slots should be acccessed from a SRCU read section.
- kvm_mips_map_page() now returns an error code to it's callers, instead of
  calling panic() if it cannot find a mapping for a particular gfn.

Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
11 years agoKVM/MIPS32: Move include/asm/kvm.h => include/uapi/asm/kvm.h since it is a user visib...
Sanjay Lal [Sat, 18 May 2013 13:54:23 +0000 (06:54 -0700)]
KVM/MIPS32: Move include/asm/kvm.h => include/uapi/asm/kvm.h since it is a user visible API.

Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
11 years agodrm/i915: force full modeset if the connector is in DPMS OFF mode
Imre Deak [Fri, 3 May 2013 17:44:07 +0000 (19:44 +0200)]
drm/i915: force full modeset if the connector is in DPMS OFF mode

Currently the driver's assumed behavior for a modeset with an attached
FB is that the corresponding connector will be switched to DPMS ON mode
if it happened to be in DPMS OFF (or another power save mode). This
wasn't enforced though if only the FB changed, everything else (format,
connector etc.) remaining the same. In this case we only set the new FB
base and left the connector in the old power save mode.

Fix this by forcing a full modeset whenever there is an attached FB and
any affected connector is in a power save mode.

V_2: Run the test for encoders in power save mode outside the the
test for fb change: user space may have just disabled the encoders
but left everything else in place. Make sure the connector list is
not empty before running this test.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Egbert Eich <eich@suse.de>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61642
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59834
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59339
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64178
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Apply Jani's s/connector_off/is_crtc_connector_off bikeshed.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
11 years agodrm/exynos: page flip fixes
Rob Clark [Mon, 8 Oct 2012 19:50:44 +0000 (14:50 -0500)]
drm/exynos: page flip fixes

The event wouldn't be on any list at this point, so nothing to delete
it from.

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agodrm/exynos: exynos_hdmi: Pass correct pointer to free_irq()
Lars-Peter Clausen [Mon, 20 May 2013 17:32:06 +0000 (19:32 +0200)]
drm/exynos: exynos_hdmi: Pass correct pointer to free_irq()

free_irq() expects the same pointer that was passed to request_threaded_irq(),
otherwise the IRQ is not freed.

The issue was found using the following coccinelle script:

<smpl>
@r1@
type T;
T devid;
@@
request_threaded_irq(..., devid)

@r2@
type r1.T;
T devid;
position p;
@@
free_irq@p(..., devid)

@@
position p != r2.p;
@@
*free_irq@p(...)
</smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agodrm/exynos: exynos_drm_ipp: Fix incorrect usage of IS_ERR_OR_NULL
Sachin Kamat [Mon, 29 Apr 2013 06:57:06 +0000 (12:27 +0530)]
drm/exynos: exynos_drm_ipp: Fix incorrect usage of IS_ERR_OR_NULL

None of these functions actually return a NULL pointer. Hence use
IS_ERR() instead.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agodrm/exynos: exynos_drm_fbdev: Fix incorrect usage of IS_ERR_OR_NULL
Sachin Kamat [Mon, 29 Apr 2013 06:57:05 +0000 (12:27 +0530)]
drm/exynos: exynos_drm_fbdev: Fix incorrect usage of IS_ERR_OR_NULL

exynos_drm_framebuffer_init() does not return NULL. Use IS_ERR instead.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
11 years agoMIPS: Idle: Break r4k_wait into two functions and fix it.
Ralf Baechle [Tue, 21 May 2013 15:33:32 +0000 (17:33 +0200)]
MIPS: Idle: Break r4k_wait into two functions and fix it.

local_irq_enable() may expand into very different code, so it rather should
stay in C.  Also this keeps the assembler code size constant which keeps
the rollback code simple.  So it's best to split r4k_wait into two parts,
one C and one assembler.

Finally add the local_irq_enable() to r4k_wait to ensure the WAIT
instruction in __r4k_wait() will work properly.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Idle: Do address fiddlery in helper functions.
Ralf Baechle [Tue, 21 May 2013 15:30:36 +0000 (17:30 +0200)]
MIPS: Idle: Do address fiddlery in helper functions.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Idle: Consolidate all declarations in <asm/idle.h>.
Ralf Baechle [Tue, 21 May 2013 14:59:19 +0000 (16:59 +0200)]
MIPS: Idle: Consolidate all declarations in <asm/idle.h>.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Idle: Don't call local_irq_disable() in cpu_wait() implementations.
Ralf Baechle [Tue, 21 May 2013 12:14:48 +0000 (14:14 +0200)]
MIPS: Idle: Don't call local_irq_disable() in cpu_wait() implementations.

The generic idle loop has already disabled interrupts so this is redundant.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Idle: Re-enable irqs at the end of r3081, au1k and loongson2 cpu_wait.
Ralf Baechle [Tue, 21 May 2013 12:05:27 +0000 (14:05 +0200)]
MIPS: Idle: Re-enable irqs at the end of r3081, au1k and loongson2 cpu_wait.

Without this, the

    WARN_ON_ONCE(irqs_disabled());

in the idle loop will be triggered.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Idle: Make call of function pointer readable.
Ralf Baechle [Tue, 21 May 2013 11:02:12 +0000 (13:02 +0200)]
MIPS: Idle: Make call of function pointer readable.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Idle: Consistently reformat inline assembler.
Ralf Baechle [Tue, 21 May 2013 10:58:08 +0000 (12:58 +0200)]
MIPS: Idle: Consistently reformat inline assembler.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Idle: cleaup SMTC idle hook as per Linux coding style.
Ralf Baechle [Tue, 21 May 2013 10:47:26 +0000 (12:47 +0200)]
MIPS: Idle: cleaup SMTC idle hook as per Linux coding style.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: Consolidate idle loop / WAIT instruction support in a single file.
Ralf Baechle [Tue, 21 May 2013 08:53:37 +0000 (10:53 +0200)]
MIPS: Consolidate idle loop / WAIT instruction support in a single file.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoMIPS: clock.h: Remove declaration of cpu_wait.
Ralf Baechle [Tue, 21 May 2013 14:26:22 +0000 (16:26 +0200)]
MIPS: clock.h: Remove declaration of cpu_wait.

Duplicate and has no business in this header file.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agoAdd include dependencies to <linux/printk.h>.
Ralf Baechle [Tue, 21 May 2013 08:51:10 +0000 (10:51 +0200)]
Add include dependencies to <linux/printk.h>.

If <linux/linkage.h> has not been included before <linux/printk.h>,
a build error like the below one will result:

  CC      arch/mips/kernel/idle.o
In file included from arch/mips/kernel/idle.c:17:0:
include/linux/printk.h:109:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:109:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:110:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:110:1: error: expected ‘,’ or ‘;’ before ‘int’
include/linux/printk.h:114:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:114:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:115:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:115:1: error: expected ‘,’ or ‘;’ before ‘int’
include/linux/printk.h:117:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:117:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:118:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:118:1: error: ‘__cold__’ attribute ignored [-Werror=attributes]
include/linux/printk.h:118:1: error: expected ‘,’ or ‘;’ before ‘asmlinkage’
include/linux/printk.h:122:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:122:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:123:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:123:1: error: ‘__cold__’ attribute ignored [-Werror=attributes]
include/linux/printk.h:123:1: error: expected ‘,’ or ‘;’ before ‘int’
In file included from include/linux/kernel.h:14:0,
                 from include/linux/sched.h:15,
                 from arch/mips/kernel/idle.c:18:
include/linux/dynamic_debug.h: In function ‘ddebug_dyndbg_module_param_cb’:
include/linux/dynamic_debug.h:124:3: error: implicit declaration of function ‘printk’ [-Werror=implicit-function-declaration]

Fixed by including <linux/linkage.h>.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
11 years agodrm/imx: use drm_send_vblank_event() helper
Rob Clark [Mon, 8 Oct 2012 19:50:46 +0000 (19:50 +0000)]
drm/imx: use drm_send_vblank_event() helper

Also, slightly changes the behavior to always put the vblank irq,
even if userspace did not request a vblank event.  As far as I
can tell, the previous code would leak a vblank irq refcnt if
userspace requested a pageflip without event.

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agodrm/shmob: use drm_send_vblank_event() helper
Rob Clark [Mon, 8 Oct 2012 19:50:45 +0000 (19:50 +0000)]
drm/shmob: use drm_send_vblank_event() helper

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agodrm/radeon: use drm_send_vblank_event() helper
Rob Clark [Mon, 8 Oct 2012 19:50:42 +0000 (19:50 +0000)]
drm/radeon: use drm_send_vblank_event() helper

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agodrm/nouveau: use drm_send_vblank_event() helper
Rob Clark [Mon, 8 Oct 2012 19:50:41 +0000 (19:50 +0000)]
drm/nouveau: use drm_send_vblank_event() helper

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agomfd: ab8500-sysctrl: Let sysctrl driver work without pdata
Fabio Baltieri [Fri, 26 Apr 2013 12:17:18 +0000 (14:17 +0200)]
mfd: ab8500-sysctrl: Let sysctrl driver work without pdata

A check for a valid plat->sysctrl was introduced in:

2377e52 mfd: ab8500-sysctrl: Error check clean up

but the driver works just fine even without that initialization data,
and enforcing it breaks existing platforms for no reason.

This patch removes the check and let the driver go ahead with probe.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoMerge branch 'leds-fixes-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/coolo...
Linus Torvalds [Tue, 21 May 2013 18:41:07 +0000 (11:41 -0700)]
Merge branch 'leds-fixes-3.10' of git://git./linux/kernel/git/cooloney/linux-leds

Pull LED subsystem fix from Bryan Wu.

* 'leds-fixes-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
  leds: leds-gpio: reserve gpio before using it

11 years agoleds: leds-gpio: reserve gpio before using it
Timo Teräs [Fri, 17 May 2013 07:48:39 +0000 (00:48 -0700)]
leds: leds-gpio: reserve gpio before using it

This reverts commit a99d76f (leds: leds-gpio: use gpio_request_one)
and commit 2d7c22f (leds: leds-gpio: set devm_gpio_request_one()
flags param correctly) which was a fix of the first one.

The conversion to devm_gpio_request in commit e3b1d44c (leds:
leds-gpio: use devm_gpio_request_one) is not reverted.

The problem is that gpio_cansleep() and gpio_get_value_cansleep()
calls can crash if the gpio is not first reserved. Incidentally this
same bug existed earlier and was fixed similarly in commit d95cbe61
(leds: Fix potential leds-gpio oops). But the OOPS is real. It happens
when GPIOs are provided by module which is not yet loaded.

So this fixes the following BUG during my ALIX boot (3.9.2-vanilla):

BUG: unable to handle kernel NULL pointer dereference at 0000004c
IP: [<c11287d6>] __gpio_cansleep+0xe/0x1a
*pde = 00000000
Oops: 0000 [#1] SMP
Modules linked in: leds_gpio(+) via_rhine mii cs5535_mfd mfd_core
geode_rng rng_core geode_aes isofs nls_utf8 nls_cp437 vfat fat
ata_generic pata_amd pata_cs5536 pata_acpi libata ehci_pci ehci_hcd
ohci_hcd usb_storage usbcore usb_common sd_mod scsi_mod squashfs loop
Pid: 881, comm: modprobe Not tainted 3.9.2 #1-Alpine
EIP: 0060:[<c11287d6>] EFLAGS: 00010282 CPU: 0
EIP is at __gpio_cansleep+0xe/0x1a
EAX: 00000000 EBX: cf364018 ECX: c132b8b9 EDX: 00000000
ESI: c13993a4 EDI: c1399370 EBP: cded9dbc ESP: cded9dbc
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
CR0: 8005003b CR2: 0000004c CR3: 0f0c4000 CR4: 00000090
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
Process modprobe (pid: 881, ti=cded8000 task=cf094aa0 task.ti=cded8000)
Stack:
 cded9de0 d09471cb 00000000 c1399260 cf364014 00000000 c1399260 c1399254
 d0949014 cded9df4 c118cd59 c1399260 d0949014 d0949014 cded9e08 c118ba47
 c1399260 d0949014 c1399294 cded9e1c c118bb75 cded9e24 d0949014 00000000
Call Trace:
 [<d09471cb>] gpio_led_probe+0xba/0x203 [leds_gpio]
 [<c118cd59>] platform_drv_probe+0x26/0x48
 [<c118ba47>] driver_probe_device+0x75/0x15c
 [<c118bb75>] __driver_attach+0x47/0x63
 [<c118a727>] bus_for_each_dev+0x3c/0x66
 [<c118b6f9>] driver_attach+0x14/0x16
 [<c118bb2e>] ? driver_probe_device+0x15c/0x15c
 [<c118b3d5>] bus_add_driver+0xbd/0x1bc
 [<d08b4000>] ? 0xd08b3fff
 [<d08b4000>] ? 0xd08b3fff
 [<c118bffc>] driver_register+0x74/0xec
 [<d08b4000>] ? 0xd08b3fff
 [<c118c8e8>] platform_driver_register+0x38/0x3a
 [<d08b400d>] gpio_led_driver_init+0xd/0x1000 [leds_gpio]
 [<c100116c>] do_one_initcall+0x6b/0x10f
 [<d08b4000>] ? 0xd08b3fff
 [<c105e918>] load_module+0x1631/0x1907
 [<c10975d6>] ? insert_vmalloc_vmlist+0x14/0x43
 [<c1098d5b>] ? __vmalloc_node_range+0x13e/0x15f
 [<c105ec50>] sys_init_module+0x62/0x77
 [<c1257888>] syscall_call+0x7/0xb
EIP: [<c11287d6>] __gpio_cansleep+0xe/0x1a SS:ESP 0068:cded9dbc
CR2: 000000000000004c
 ---[ end trace 5308fb20d2514822 ]---

Signed-off-by: Timo Teräs <timo.teras@iki.f>
Cc: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Raphael Assenat <raph@8d.com>
Cc: Trent Piepho <tpiepho@freescale.com>
Cc: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
11 years agoMerge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa...
Linus Torvalds [Tue, 21 May 2013 18:11:45 +0000 (11:11 -0700)]
Merge branch 'i2c/for-current' of git://git./linux/kernel/git/wsa/linux

Pull i2c bugfixes from Wolfram Sang:
 "These should have been in rc2 but I missed it due to working on devm
  longer than expected.

  There is one ID addition, since we are touching the driver anyhow.
  And the feature bit documentation is one outcome of a debug session
  and will make it easier for users to work around problems.  The rest
  is typical driver bugfixes."

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: suppress lockdep warning on delete_device
  i2c: mv64xxx: work around signals causing I2C transactions to be aborted
  i2c: i801: Document feature bits in modinfo
  i2c: designware: add Intel BayTrail ACPI ID
  i2c: designware: always clear interrupts before enabling them
  i2c: designware: fix RX FIFO overrun

11 years agostaging: imx-drm: imx-tve: Check the return value of 'regulator_enable()'
Fabio Estevam [Tue, 21 May 2013 14:24:44 +0000 (11:24 -0300)]
staging: imx-drm: imx-tve: Check the return value of 'regulator_enable()'

Since commit c8801a8 (regulator: core: Mark all get and enable calls as
__must_check) we need to check the value returned by 'regulator_enable()'.

Do this check to get rid of the following build warning:

drivers/staging/imx-drm/imx-tve.c: In function 'imx_tve_probe':
drivers/staging/imx-drm/imx-tve.c:671:19: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agostaging: video: imx: Select VIDEOMODE_HELPERS for parallel display
Marek Vasut [Wed, 24 Apr 2013 18:43:59 +0000 (20:43 +0200)]
staging: video: imx: Select VIDEOMODE_HELPERS for parallel display

Without this, I get the following problem when building kernel:

drivers/built-in.o: In function `imx_pd_connector_get_modes':
/linux-2.6/drivers/staging/imx-drm/parallel-display.c:78: undefined reference to `of_get_drm_display_mode'
make: *** [vmlinux] Error 1

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: mxser: fix usage of opmode_ioaddr
Matwey V. Kornilov [Tue, 21 May 2013 09:57:37 +0000 (13:57 +0400)]
tty: mxser: fix usage of opmode_ioaddr

mxser_port->opmode_ioaddr is initialized only for MOXA_MUST_MU860_HWID
chips, but no precautions have been undertaken to prevent reading and
writing to undefined port number.

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: add ACPI ID for Intel BayTrail
Heikki Krogerus [Tue, 21 May 2013 06:34:24 +0000 (09:34 +0300)]
serial: 8250_dw: add ACPI ID for Intel BayTrail

This is the same controller as on Intel Lynxpoint but the
ACPI ID is different.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoklist: del waiter from klist_remove_waiters before wakeup waitting process
wang, biao [Thu, 16 May 2013 01:50:13 +0000 (09:50 +0800)]
klist: del waiter from klist_remove_waiters before wakeup waitting process

There is a race between klist_remove and klist_release. klist_remove
uses a local var waiter saved on stack. When klist_release calls
wake_up_process(waiter->process) to wake up the waiter, waiter might run
immediately and reuse the stack. Then, klist_release calls
list_del(&waiter->list) to change previous
wait data and cause prior waiter thread corrupt.

The patch fixes it against kernel 3.9.

Signed-off-by: wang, biao <biao.wang@intel.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agottyprintk: Fix NULL pointer deref by setting tty_port ops after initializing port
Darrick J. Wong [Fri, 10 May 2013 22:40:13 +0000 (15:40 -0700)]
ttyprintk: Fix NULL pointer deref by setting tty_port ops after initializing port

tty_port_init() zeroes out the tty port, which means that we have to set the
ops pointer /after/, not before this call.  Otherwise, tty_port_open will crash
when it tries to deref ops, which is now a NULL pointer.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agouio: UIO_DMEM_GENIRQ should depend on HAS_DMA
Geert Uytterhoeven [Thu, 9 May 2013 21:04:51 +0000 (23:04 +0200)]
uio: UIO_DMEM_GENIRQ should depend on HAS_DMA

If NO_DMA=y:

drivers/built-in.o: In function `uio_dmem_genirq_release':
drivers/uio/uio_dmem_genirq.c:95: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `uio_dmem_genirq_open':
drivers/uio/uio_dmem_genirq.c:61: undefined reference to `dma_alloc_coherent'

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hans J. Koch <hjk@hansjkoch.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoMAINTAINERS: update Hyper-V file list
Haiyang Zhang [Thu, 9 May 2013 21:34:55 +0000 (14:34 -0700)]
MAINTAINERS: update Hyper-V file list

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agomei: bus: Reset event_cb when disabling a device
Samuel Ortiz [Tue, 21 May 2013 16:52:09 +0000 (18:52 +0200)]
mei: bus: Reset event_cb when disabling a device

After cancelling all reads from the disable hook, we need to reset the
event_cb pointer as well or else we won't be able to set a new one up
when re-enabling the device.

Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoDrivers: hv: Fix a bug in get_vp_index()
K. Y. Srinivasan [Fri, 17 May 2013 16:30:35 +0000 (09:30 -0700)]
Drivers: hv: Fix a bug in get_vp_index()

Linux' notion of cpuid is different from the Host's notion of CPUID. In the
call to bind the channel interrupts, we should use the host's notion of
CPU Ids. Fix this bug.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: Stable <stable@vger.kernel.org> (V3.9)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agomei: fix out of array access to me clients array
Tomas Winkler [Tue, 7 May 2013 18:12:31 +0000 (21:12 +0300)]
mei: fix out of array access to me clients array

The patch 9f81abdac362: "mei: implement mei_cl_connect function"
from Jan 8, 2013, leads to the following static checker warning:
"drivers/misc/mei/main.c:522 mei_ioctl_connect_client()
 warn: check 'dev->me_clients[]' for negative offsets (-2)"

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Linus Torvalds [Tue, 21 May 2013 16:36:46 +0000 (09:36 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/s390/linux

Pull s390 update from Martin Schwidefsky:
 "An additional sysfs attribute for channel paths and a couple of bux
  fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/pgtable: fix ipte notify bit
  s390/xpram: mark xpram as non-rotational
  s390/smp: fix cpu re-scan vs. cpu state
  s390/cio: add channel ID sysfs attribute
  s390/ftrace: fix mcount adjustment
  s390: fix gmap_ipte_notifier vs. software dirty pages
  s390: disable pfmf for clear page instruction
  s390/disassembler: prevent endless loop in print_fn_code()
  s390: remove non existent reference to GENERIC_KERNEL_THREAD

11 years agodriver core: print sysfs attribute name when warning about bogus permissions
dyoung@redhat.com [Thu, 16 May 2013 06:31:30 +0000 (14:31 +0800)]
driver core: print sysfs attribute name when warning about bogus permissions

Make it obvious to see what attribute is using bogus permissions.

Signed-off-by: Dave Young <dyoung@redhat.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agodriver core: export subsys_virtual_register
Greg Kroah-Hartman [Fri, 10 May 2013 16:14:04 +0000 (09:14 -0700)]
driver core: export subsys_virtual_register

Modules want to call this function, so it needs to be exported.

Reported-by: Daniel Mack <zonque@gmail.com>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoARM: smp: Drop RCU_NONIDLE usage in cpu_die()
Stephen Boyd [Tue, 21 May 2013 00:57:16 +0000 (17:57 -0700)]
ARM: smp: Drop RCU_NONIDLE usage in cpu_die()

Before f7b861b7a6d9 ("arm: Use generic idle loop") ARM would kill the
CPU within the rcu idle section.  Now that the rcu_idle_enter()/exit()
pair have been pushed lower down in the idle loop this is no longer true
and so using RCU_NONIDLE here is no longer necessary and also harmful
because RCU is not actually idle at this point.

Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoMerge branch 'drm-radeon-sun-hainan' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Tue, 21 May 2013 15:50:57 +0000 (08:50 -0700)]
Merge branch 'drm-radeon-sun-hainan' of git://people.freedesktop.org/~airlied/linux

Pull radeon sun/hainan support from  Dave Airlie:
 "Since I know its outside the merge window, but since this is new hw I
  thought I'd try and provoke the new hw exception, it just fills in the
  blanks in the driver for the new AMD sun and hainan chipsets."

* 'drm-radeon-sun-hainan' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: add Hainan pci ids
  drm/radeon: add golden register settings for Hainan (v2)
  drm/radeon: sun/hainan chips do not have UVD (v2)
  drm/radeon: track which asics have UVD
  drm/radeon: radeon-asic updates for Hainan
  drm/radeon: fill in ucode loading support for Hainan
  drm/radeon: don't touch DCE or VGA regs on Hainan (v3)
  drm/radeon: fill in GPU init for Hainan (v2)
  drm/radeon: add chip family for Hainan

11 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Tue, 21 May 2013 15:50:09 +0000 (08:50 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull DRM fixes from Dave Airlie:
 "This is just a set of nouveau and radeon fixes, the nouveau ones fix
  some suspend/resume regressions since use of copy engines and some
  fixes for Z compression on some newer chipsets."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/dce2: use 10khz units for audio dto calculation
  drm/radeon: Fix VRAM size calculation for VRAM >= 4GB
  drm/radeon: Remove superfluous variable
  drm/nouveau: ensure channels are stopped before saving fences for suspend
  drm/nv50/fifo: prevent races between clients updating playlists
  drm/nvc0/fifo: prevent CHAN_TABLE_ERROR:CHANNEL_PENDING on fifo fini
  drm/nvc0/fifo: prevent races between clients updating playlists
  drm/nve0/fifo: prevent races between clients updating playlists
  drm/nve0/ltcg: poke the partition count into yet another register
  drm/nvc0/ltcg: fix handling of disabled partitions
  drm/nvc0/ce: disable ce1 on a number of chipsets
  drm/nouveau/bios: fix thinko in ZM_MASK_ADD opcode
  drm/nouveau: fix build with nv50->nvc0

11 years agodrm/i915: Propagate errors back from fb set-base
Chris Wilson [Fri, 3 May 2013 16:36:25 +0000 (17:36 +0100)]
drm/i915: Propagate errors back from fb set-base

Along the modesetting short cut where we skip trying to do a full
modeset and instead simply update the framebuffer base registers, we
failed to handle any errors reported.

This regression has been introduced in

commit 94352cf9a5328bb1a44288e6c2c1276695f8a356
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Jul 5 22:51:56 2012 +0200

    drm/i915: push crtc->fb update into pipe_set_base

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
11 years agodrm/i915: Adding more reserved PCI IDs for Haswell.
Rodrigo Vivi [Mon, 13 May 2013 21:12:25 +0000 (18:12 -0300)]
drm/i915: Adding more reserved PCI IDs for Haswell.

At DDX commit Chris mentioned the tendency we have of finding out more
PCI IDs only when users report. So Let's add all new reserved Haswell IDs.

This patch also fix GT3 names. I'no not sending in separated patche because
names are only in few comments and not in variable names.

v2: Fix some mobile ids (by Paulo)

References: http://bugs.freedesktop.org/show_bug.cgi?id=63701
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
11 years agoMerge branch 'drm-fixes-3.10-sun' of git://people.freedesktop.org/~agd5f/linux into...
Dave Airlie [Mon, 20 May 2013 23:42:55 +0000 (09:42 +1000)]
Merge branch 'drm-fixes-3.10-sun' of git://people.freedesktop.org/~agd5f/linux into drm-next

This is the pull request for AMD Sun/Hainan support.  I've
split it out separately from my regular fixes stream.  Hainan
is a new SI asic with no UVD or DCE hardware.  The patches are
minimally invasive; basically just pci ids and skipping UVD and
DCE init for this family.  Most of the changes to si.c are just
the golden register tables for the family.

* 'drm-fixes-3.10-sun' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: add Hainan pci ids
  drm/radeon: add golden register settings for Hainan (v2)
  drm/radeon: sun/hainan chips do not have UVD (v2)
  drm/radeon: track which asics have UVD
  drm/radeon: radeon-asic updates for Hainan
  drm/radeon: fill in ucode loading support for Hainan
  drm/radeon: don't touch DCE or VGA regs on Hainan (v3)
  drm/radeon: fill in GPU init for Hainan (v2)
  drm/radeon: add chip family for Hainan

11 years agoMerge branch 'drm-fixes-3.10' of git://people.freedesktop.org/~agd5f/linux into drm...
Dave Airlie [Mon, 20 May 2013 23:41:33 +0000 (09:41 +1000)]
Merge branch 'drm-fixes-3.10' of git://people.freedesktop.org/~agd5f/linux into drm-next

Minor bug fixes.

* 'drm-fixes-3.10' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon/dce2: use 10khz units for audio dto calculation
  drm/radeon: Fix VRAM size calculation for VRAM >= 4GB
  drm/radeon: Remove superfluous variable

11 years agoLinux 3.10-rc2
Linus Torvalds [Mon, 20 May 2013 21:37:38 +0000 (14:37 -0700)]
Linux 3.10-rc2

11 years agoMerge tag 'stable/for-linus-3.10-rc1-tag' of git://git.kernel.org/pub/scm/linux/kerne...
Linus Torvalds [Mon, 20 May 2013 21:25:19 +0000 (14:25 -0700)]
Merge tag 'stable/for-linus-3.10-rc1-tag' of git://git./linux/kernel/git/konrad/xen

Pull Xen fixes from Konrad Rzeszutek Wilk:
 - Regression fix in xen privcmd fixing a memory leak.
 - Add Documentation for tmem driver.
 - Simplify and remove code in the tmem driver.
 - Cleanups.

* tag 'stable/for-linus-3.10-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen: Fixed assignment error in if statement
  xen/xenbus: Fixed over 80 character limit issue
  xen/xenbus: Fixed indentation error in switch case
  xen/tmem: Don't use self[ballooning|shrinking] if frontswap is off.
  xen/tmem: Remove the usage of '[no|]selfballoon' and use 'tmem.selfballooning' bool instead.
  xen/tmem: Remove the usage of 'noselfshrink' and use 'tmem.selfshrink' bool instead.
  xen/tmem: Remove the boot options and fold them in the tmem.X parameters.
  xen/tmem: s/disable_// and change the logic.
  xen/tmem: Fix compile warning.
  xen/tmem: Split out the different module/boot options.
  xen/tmem: Move all of the boot and module parameters to the top of the file.
  xen/tmem: Cleanup. Remove the parts that say temporary.
  xen/privcmd: fix condition in privcmd_close()

11 years agoTTY: Fix tty miss restart after we turn off flow-control
Wang YanQing [Thu, 9 May 2013 06:16:47 +0000 (14:16 +0800)]
TTY: Fix tty miss restart after we turn off flow-control

I meet emacs hang in start if I do the operation below:
  1: echo 3 > /proc/sys/vm/drop_caches
  2: emacs BigFile
  3: Press CTRL-S follow 2 immediately

Then emacs hang on, CTRL-Q can't resume, the terminal
hang on, you can do nothing with this terminal except
close it.

The reason is before emacs takeover control the tty,
we use CTRL-S to XOFF it. Then when emacs takeover the
control, it may don't use the flow-control, so emacs hang.
This patch fix it.

This patch will fix a kind of strange tty relation hang problem,
I believe I meet it with vim in ssh, and also see below bug report:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=465823

Signed-off-by: Wang YanQing <udknight@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty/vt: Fix vc_deallocate() lock order
Peter Hurley [Fri, 17 May 2013 16:41:03 +0000 (12:41 -0400)]
tty/vt: Fix vc_deallocate() lock order

Now that the tty port owns the flip buffers and i/o is allowed
from the driver even when no tty is attached, the destruction
of the tty port (and the flip buffers) must ensure that no
outstanding work is pending.

Unfortunately, this creates a lock order problem with the
console_lock (see attached lockdep report [1] below).

For single console deallocation, drop the console_lock prior
to port destruction. When multiple console deallocation,
defer port destruction until the consoles have been
deallocated.

tty_port_destroy() is not required if the port has not
been used; remove from vc_allocate() failure path.

[1] lockdep report from Dave Jones <davej@redhat.com>

 ======================================================
 [ INFO: possible circular locking dependency detected ]
 3.9.0+ #16 Not tainted
 -------------------------------------------------------
 (agetty)/26163 is trying to acquire lock:
 blocked:  ((&buf->work)){+.+...}, instance: ffff88011c8b0020, at: [<ffffffff81062065>] flush_work+0x5/0x2e0

 but task is already holding lock:
 blocked:  (console_lock){+.+.+.}, instance: ffffffff81c2fde0, at: [<ffffffff813bc201>] vt_ioctl+0xb61/0x1230

 which lock already depends on the new lock.

 the existing dependency chain (in reverse order) is:

 -> #1 (console_lock){+.+.+.}:
        [<ffffffff810b3f74>] lock_acquire+0xa4/0x210
        [<ffffffff810416c7>] console_lock+0x77/0x80
        [<ffffffff813c3dcd>] con_flush_chars+0x2d/0x50
        [<ffffffff813b32b2>] n_tty_receive_buf+0x122/0x14d0
        [<ffffffff813b7709>] flush_to_ldisc+0x119/0x170
        [<ffffffff81064381>] process_one_work+0x211/0x700
        [<ffffffff8106498b>] worker_thread+0x11b/0x3a0
        [<ffffffff8106ce5d>] kthread+0xed/0x100
        [<ffffffff81601cac>] ret_from_fork+0x7c/0xb0

 -> #0 ((&buf->work)){+.+...}:
        [<ffffffff810b349a>] __lock_acquire+0x193a/0x1c00
        [<ffffffff810b3f74>] lock_acquire+0xa4/0x210
        [<ffffffff810620ae>] flush_work+0x4e/0x2e0
        [<ffffffff81065305>] __cancel_work_timer+0x95/0x130
        [<ffffffff810653b0>] cancel_work_sync+0x10/0x20
        [<ffffffff813b8212>] tty_port_destroy+0x12/0x20
        [<ffffffff813c65e8>] vc_deallocate+0xf8/0x110
        [<ffffffff813bc20c>] vt_ioctl+0xb6c/0x1230
        [<ffffffff813b01a5>] tty_ioctl+0x285/0xd50
        [<ffffffff811ba825>] do_vfs_ioctl+0x305/0x530
        [<ffffffff811baad1>] sys_ioctl+0x81/0xa0
        [<ffffffff81601d59>] system_call_fastpath+0x16/0x1b

 other info that might help us debug this:

 [ 6760.076175]  Possible unsafe locking scenario:

        CPU0                    CPU1
        ----                    ----
   lock(console_lock);
                                lock((&buf->work));
                                lock(console_lock);
   lock((&buf->work));

  *** DEADLOCK ***

 1 lock on stack by (agetty)/26163:
  #0: blocked:  (console_lock){+.+.+.}, instance: ffffffff81c2fde0, at: [<ffffffff813bc201>] vt_ioctl+0xb61/0x1230
 stack backtrace:
 Pid: 26163, comm: (agetty) Not tainted 3.9.0+ #16
 Call Trace:
  [<ffffffff815edb14>] print_circular_bug+0x200/0x20e
  [<ffffffff810b349a>] __lock_acquire+0x193a/0x1c00
  [<ffffffff8100a269>] ? sched_clock+0x9/0x10
  [<ffffffff8100a269>] ? sched_clock+0x9/0x10
  [<ffffffff8100a200>] ? native_sched_clock+0x20/0x80
  [<ffffffff810b3f74>] lock_acquire+0xa4/0x210
  [<ffffffff81062065>] ? flush_work+0x5/0x2e0
  [<ffffffff810620ae>] flush_work+0x4e/0x2e0
  [<ffffffff81062065>] ? flush_work+0x5/0x2e0
  [<ffffffff810b15db>] ? mark_held_locks+0xbb/0x140
  [<ffffffff8113c8a3>] ? __free_pages_ok.part.57+0x93/0xc0
  [<ffffffff810b15db>] ? mark_held_locks+0xbb/0x140
  [<ffffffff810652f2>] ? __cancel_work_timer+0x82/0x130
  [<ffffffff81065305>] __cancel_work_timer+0x95/0x130
  [<ffffffff810653b0>] cancel_work_sync+0x10/0x20
  [<ffffffff813b8212>] tty_port_destroy+0x12/0x20
  [<ffffffff813c65e8>] vc_deallocate+0xf8/0x110
  [<ffffffff813bc20c>] vt_ioctl+0xb6c/0x1230
  [<ffffffff810aec41>] ? lock_release_holdtime.part.30+0xa1/0x170
  [<ffffffff813b01a5>] tty_ioctl+0x285/0xd50
  [<ffffffff812b00f6>] ? inode_has_perm.isra.46.constprop.61+0x56/0x80
  [<ffffffff811ba825>] do_vfs_ioctl+0x305/0x530
  [<ffffffff812b04db>] ? selinux_file_ioctl+0x5b/0x110
  [<ffffffff811baad1>] sys_ioctl+0x81/0xa0
  [<ffffffff81601d59>] system_call_fastpath+0x16/0x1b

Cc: Dave Jones <davej@redhat.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: ehv_bytechan: add missing platform_driver_unregister() when module exit
Wei Yongjun [Sat, 27 Apr 2013 10:14:56 +0000 (18:14 +0800)]
TTY: ehv_bytechan: add missing platform_driver_unregister() when module exit

We have registered platform driver when module init, and
need unregister it when module exit.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: rocket, fix more no-PCI warnings
Jiri Slaby [Thu, 25 Apr 2013 13:36:48 +0000 (15:36 +0200)]
TTY: rocket, fix more no-PCI warnings

Commit "TTY: rocket, fix compilation warning" fixed a compilation
warning, but there was still a problem with !CONFIG_PCI configs. So
fix them for good by coupling the PCI functions together and moving
them inside a common #ifdef.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: mcf: missing uart_unregister_driver() on error in mcf_init()
Wei Yongjun [Thu, 25 Apr 2013 01:17:23 +0000 (09:17 +0800)]
serial: mcf: missing uart_unregister_driver() on error in mcf_init()

Add the missing uart_unregister_driver() before return
from mcf_init() in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: serial: mpc5xxx: fix error handing in mpc52xx_uart_init()
Wei Yongjun [Thu, 25 Apr 2013 07:34:27 +0000 (15:34 +0800)]
tty: serial: mpc5xxx: fix error handing in mpc52xx_uart_init()

Add the missing uart_unregister_driver() and uninit before return
from mpc52xx_uart_init() in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: samsung: add missing platform_driver_unregister() when module exit
Wei Yongjun [Sat, 27 Apr 2013 10:14:29 +0000 (18:14 +0800)]
serial: samsung: add missing platform_driver_unregister() when module exit

We have registered platform driver when module init, and
need unregister it when module exit.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: pl011: protect attribute read from NULL platform data struct
Lee Jones [Thu, 9 May 2013 12:50:55 +0000 (13:50 +0100)]
serial: pl011: protect attribute read from NULL platform data struct

It's completely feasible that platform data will be empty i.e. when
booting with Device Tree with no device AUXDATA. So we must protect
it's use in these use-cases, or risk a kernel Oops.

Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: nwpserial: Pass correct pointer to free_irq()
Lars-Peter Clausen [Mon, 20 May 2013 17:07:30 +0000 (19:07 +0200)]
tty: nwpserial: Pass correct pointer to free_irq()

free_irq() expects the same pointer that was passed to request_irq(), otherwise
the IRQ is not freed.

The issue was found using the following coccinelle script:

<smpl>
@r1@
type T;
T devid;
@@
request_irq(..., devid)

@r2@
type r1.T;
T devid;
position p;
@@
free_irq@p(..., devid)

@@
position p != r2.p;
@@
*free_irq@p(...)
</smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: Add valid clk pointer check
Ezequiel Garcia [Tue, 7 May 2013 11:27:16 +0000 (08:27 -0300)]
serial: 8250_dw: Add valid clk pointer check

Commit ffc3ae6dd "serial: 8250_dw: Enable runtime PM" introduced runtime
PM management, which enables/disables the clk without checking if the clk
is valid. However, this driver allows to be probed without a defined clk,
using clock-frequency, as a fallback.

Therefore, on platforms that are device tree probed using clock-frequency
instead of clk, we get an ugly NULL pointer dereference.

This patch fixes it by simply adding a check before accessing the clk api.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoMerge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck...
Linus Torvalds [Mon, 20 May 2013 18:36:52 +0000 (11:36 -0700)]
Merge tag 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Error path fixes for abituguru and iio_hwmon drivers.

 - Drop erroneously created attributes from nct6775 driver.

 - Drop redundant safety on cache lifetime for tmp401 driver.

 - Add explicit maintainer for LM95234 and TMP401 drivers.

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  MAINTAINERS: Add myself as maintainer for LM95234 and TMP401 drivers
  hwmon: (tmp401) Drop redundant safety on cache lifetime
  hwmon: fix error return code in abituguru_probe()
  hwmon: (iio_hwmon) Fix null pointer dereference
  hwmon: (nct6775) Do not create non-existing attributes
  hwmon: (iio_hwmon) Fix missing iio_channel_release_all call if devm_kzalloc fail

11 years agox86: Fix bit corruption at CPU resume time
Linus Torvalds [Mon, 20 May 2013 18:36:03 +0000 (11:36 -0700)]
x86: Fix bit corruption at CPU resume time

In commit 78d77df71510 ("x86-64, init: Do not set NX bits on non-NX
capable hardware") we added the early_pmd_flags that gets the NX bit set
when a CPU supports NX. However, the new variable was marked __initdata,
because the main _use_ of this is in an __init routine.

However, the bit setting happens from secondary_startup_64(), which is
called not only at bootup, but on every secondary CPU start.  Including
resuming from STR and at CPU hotplug time.  So the value cannot be
__initdata.

Reported-bisected-and-tested-by: Michal Hocko <mhocko@suse.cz>
Cc: stable@vger.kernel.org # v3.9
Acked-by: Peter Anvin <hpa@linux.intel.com>
Cc: Fernando Luis Vázquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>