firefly-linux-kernel-4.4.55.git
9 years agodoc: dt: add documentation for lpc1850-cgu clk driver
Joachim Eastwood [Thu, 28 May 2015 20:31:44 +0000 (22:31 +0200)]
doc: dt: add documentation for lpc1850-cgu clk driver

Add DT binding documentation for lpc1850-cgu driver.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoclk: add lpc18xx cgu clk driver
Joachim Eastwood [Thu, 28 May 2015 20:31:43 +0000 (22:31 +0200)]
clk: add lpc18xx cgu clk driver

Add driver for NXP LPC18xx/43xx Clock Generation Unit (CGU). The CGU
contains several clock generators and output stages that route the
clocks either directly to peripherals or to a Clock Control Unit
(CCU).

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoclk: keystone: add support for post divider register for main pll
Murali Karicheri [Fri, 29 May 2015 16:04:12 +0000 (12:04 -0400)]
clk: keystone: add support for post divider register for main pll

Main PLL controller has post divider bits in a separate register in
pll controller. Use the value from this register instead of fixed
divider when available.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoMerge tag 'sunxi-clocks-for-4.2' of https://git.kernel.org/pub/scm/linux/kernel/git...
Michael Turquette [Thu, 18 Jun 2015 21:17:35 +0000 (14:17 -0700)]
Merge tag 'sunxi-clocks-for-4.2' of https://git./linux/kernel/git/mripard/linux into clk-next

Allwinner clocks additions for 4.2

One error fix, and one patch to add support for the USB clock found on the
Allwinner A23 and A33

9 years agoclk: mvebu: flag the crypto clk as CLK_IGNORE_UNUSED
Boris Brezillon [Tue, 16 Jun 2015 15:56:19 +0000 (17:56 +0200)]
clk: mvebu: flag the crypto clk as CLK_IGNORE_UNUSED

The crypto SRAM, used by the armada 370 cpuidle code to workaround a bug
in the BootROM code, requires the crypto clk to be up and running.
Flag the crypto clk as IGNORE_UNUSED until we add the proper
infrastructure to define the crypto SRAM in the DT and reference the crypto
clk in this SRAM node.

Reported-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoclk: cygnus: remove Cygnus dummy clock binding
Ray Jui [Tue, 5 May 2015 18:13:23 +0000 (11:13 -0700)]
clk: cygnus: remove Cygnus dummy clock binding

Remove old Cygnus dummy clock binding document, as it's replaced by
Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt

Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoclk: cygnus: add clock support for Broadcom Cygnus
Ray Jui [Tue, 5 May 2015 18:13:21 +0000 (11:13 -0700)]
clk: cygnus: add clock support for Broadcom Cygnus

The Broadcom Cygnus SoC is architected under the iProc architecture. It
has the following PLLs: ARMPLL, GENPLL, LCPLL0, MIPIPLL, all dervied
from an onboard crystal. Cygnus also has various ASIU clocks that are
derived directly from the onboard crystal.

Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoclk: Change bcm clocks build dependency
Ray Jui [Tue, 5 May 2015 18:13:20 +0000 (11:13 -0700)]
clk: Change bcm clocks build dependency

The clock code under drivers/clk/bcm now contains code for both the
Broadcom mobile SoCs and the iProc SoCs. Change the the makefile
dependency to be under config flag CONFIG_ARCH_BCM that's enabled for
both families of SoCs

Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoclk: iproc: add initial common clock support
Ray Jui [Tue, 5 May 2015 18:13:19 +0000 (11:13 -0700)]
clk: iproc: add initial common clock support

This adds basic and generic support for various iProc PLLs and clocks
including the ARMPLL, GENPLL, LCPLL, MIPIPLL, and ASIU clocks.

SoCs under the iProc architecture can define their specific register
offsets and clock parameters for their PLL and clock controllers. These
parameters can be passed as arugments into the generic iProc PLL and
clock setup functions

Derived from code originally provided by Jonathan Richardson
<jonathar@broadcom.com>

Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoclk: iproc: define Broadcom iProc clock binding
Ray Jui [Tue, 5 May 2015 18:13:18 +0000 (11:13 -0700)]
clk: iproc: define Broadcom iProc clock binding

Document the device tree binding for Broadcom iProc architecture based
clock controller

Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoMAINTAINERS: update email for Michael Turquette
Michael Turquette [Wed, 17 Jun 2015 20:41:04 +0000 (13:41 -0700)]
MAINTAINERS: update email for Michael Turquette

Signed-off-by: Michael Turquette <mturquette@baylibre.com>
9 years agoMerge branch 'clk-shmobile-for-4.2' of git://git.kernel.org/pub/scm/linux/kernel...
Michael Turquette [Wed, 17 Jun 2015 20:21:22 +0000 (13:21 -0700)]
Merge branch 'clk-shmobile-for-4.2' of git://git./linux/kernel/git/geert/renesas-drivers into clk-next

9 years agoMerge remote-tracking branch 'clk/clk-next' into clk-next
Michael Turquette [Wed, 17 Jun 2015 20:20:43 +0000 (13:20 -0700)]
Merge remote-tracking branch 'clk/clk-next' into clk-next

9 years agoclk: meson: add some error handling in meson_clk_register_cpu()
Dan Carpenter [Thu, 11 Jun 2015 15:20:46 +0000 (18:20 +0300)]
clk: meson: add some error handling in meson_clk_register_cpu()

This error handling hopefully isn't needed but it make the static
checkers happy.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: pxa: Fix const discarding warning
Stephen Boyd [Thu, 11 Jun 2015 23:08:51 +0000 (16:08 -0700)]
clk: pxa: Fix const discarding warning

A recent change to mark parent names as const missed this struct
member so we get warnings like:

drivers/clk/pxa/clk-pxa25x.c:122:2: warning: initialization
discards 'const' qualifier from pointer target type

Fix it.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: Move debug_node field under DEBUG_FS flag in struct clk_core
Maxime Coquelin [Wed, 10 Jun 2015 11:28:27 +0000 (13:28 +0200)]
clk: Move debug_node field under DEBUG_FS flag in struct clk_core

The debug_node field is only used when DEBUG_FS config is selected,
so declare it only if DEBUG_FS is selected.

Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: fixed: Add comment to clk_fixed_set_rate
Daniel Thompson [Wed, 10 Jun 2015 20:04:54 +0000 (21:04 +0100)]
clk: fixed: Add comment to clk_fixed_set_rate

Currently it is not made explicit why clk_fixed_set_rate() can ignore
its arguments and unconditionally return success. Add a comment
to explain this.

We also mark the clk_ops table const since it should never be
modified at runtime.

Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: cdce925: Fix printk size_t warning
Stephen Boyd [Wed, 10 Jun 2015 21:14:28 +0000 (14:14 -0700)]
clk: cdce925: Fix printk size_t warning

drivers/clk/clk-cdce925.c:550: warning: format ‘%u’ expects type
‘unsigned int’, but argument 6 has type ‘size_t’

Cc: Mike Looijmans <mike.looijmans@topic.nl>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: socfpga: remove a stray tab
Dan Carpenter [Wed, 27 May 2015 08:26:27 +0000 (11:26 +0300)]
clk: socfpga: remove a stray tab

This line was indented too far.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
9 years agoclk: exynos5433: Add CLK_IGNORE_UNUSED flag to clocks for SMC
Jonghwa Lee [Mon, 27 Apr 2015 11:36:36 +0000 (20:36 +0900)]
clk: exynos5433: Add CLK_IGNORE_UNUSED flag to clocks for SMC

This patch adds 'CLK_IGNORE_UNUSED' flag to clocks which is required for
operation of secure monitor call (smc). System will hang when it executes 'smc'
with one of those clock is gated. All related clocks must be enabled.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
9 years agoclk: exynos5433: Add clock flag to support the DVFS of GPU
Joonyoung Shim [Mon, 27 Apr 2015 11:36:35 +0000 (20:36 +0900)]
clk: exynos5433: Add clock flag to support the DVFS of GPU

This patch adds the CLK_SET_RATE_PARENT flag for 'aclk_g3d' clock and parent
clocks becuase 'aclk_g3d' is used to change GPU frequency for DVFS (Dynamic
Voltage Frequency Scaling) feature and adds CLK_IGNORE_UNUSED flags to
'aclk_asyncapbs_g3d'/'aclk_asyncapbm_g3d' clocks to access the SFR
of the MALI device.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
[cw00.choi: Add patch description and add CLK_SET_RATE_PARENT to 'aclk_g3d' clk]
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
9 years agoclk: exynos5433: Add DIV_CPIF to the list of stored registers on suspend
Hyungwon Hwang [Mon, 27 Apr 2015 11:36:34 +0000 (20:36 +0900)]
clk: exynos5433: Add DIV_CPIF to the list of stored registers on suspend

This DIV_CPIF register must be stored when the system is suspended, and must
be restored on system resume. This patch adds the register to the list of
restored registers.

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
9 years agoclk: exynos5433: Add CLK_SET_RATE_PARENT to support DVFS for big.LITTLE core
Chanwoo Choi [Mon, 27 Apr 2015 11:36:33 +0000 (20:36 +0900)]
clk: exynos5433: Add CLK_SET_RATE_PARENT to support DVFS for big.LITTLE core

This patch adds CLK_SET_RATE_PARENT flag to support DVFS of Cortex-{A53|A57}
core (big.LITTLE core) because 'sclk_{apollo|atlas}' leaf clock is used to
change the CPU frequency of Cortex-{A53|A57} core in arm_big_little.c driver.
- 'apollo' word means the LITTLE core (Cortex-A53 core) in Exynos5433 TRM.
- 'atlas' word means the big core (Cortex-A57 core) in Exynos5433 TRM.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
9 years agoLinux 4.1-rc7
Linus Torvalds [Mon, 8 Jun 2015 03:23:50 +0000 (20:23 -0700)]
Linux 4.1-rc7

9 years agoMerge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Linus Torvalds [Sun, 7 Jun 2015 23:56:10 +0000 (16:56 -0700)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus

Pull MIPS updates from Ralf Baechle:
 "Eight fixes across arch/mips.  Nothing stands particuarly out nor is
  complicated but fixes keep coming in at a higher than comfortable
  rate"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: KVM: Do not sign extend on unsigned MMIO load
  MIPS: BPF: Fix stack pointer allocation
  MIPS: Loongson-3: Fix a cpu-hotplug issue in loongson3_ipi_interrupt()
  MIPS: Fix enabling of DEBUG_STACKOVERFLOW
  MIPS: c-r4k: Fix typo in probe_scache()
  MIPS: Avoid an FPE exception in FCSR mask probing
  MIPS: ath79: Add a missing new line in log message
  MIPS: ralink: Fix clearing the illegal access interrupt

9 years agoMerge tag 'driver-core-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sun, 7 Jun 2015 05:37:45 +0000 (22:37 -0700)]
Merge tag 'driver-core-4.1-rc7' of git://git./linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two fixes for the driver core that resolve some reported
  issues.

  One is a regression from 4.0, the other a fixes a reported oops that
  has been there since 3.19.

  Both have been in linux-next for a while with no problems"

* tag 'driver-core-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  drivers/base: cacheinfo: handle absence of caches
  drivers: of/base: move of_init to driver_init

9 years agoMerge tag 'staging-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Sun, 7 Jun 2015 05:33:08 +0000 (22:33 -0700)]
Merge tag 'staging-4.1-rc7' of git://git./linux/kernel/git/gregkh/staging

Pull staging / IIO fixes from Greg KH:
 "Here are some IIO driver fixes to resolve reported issues, some ozwpan
  fixes for some reported CVE problems, and a rtl8712 driver fix for a
  reported regression.

  All have been in linux-next successfully"

* tag 'staging-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: rtl8712: fix stack dump
  ozwpan: unchecked signed subtraction leads to DoS
  ozwpan: divide-by-zero leading to panic
  ozwpan: Use unsigned ints to prevent heap overflow
  ozwpan: Use proper check to prevent heap overflow
  iio: adc: twl6030-gpadc: Fix modalias
  iio: adis16400: Fix burst transfer for adis16448
  iio: adis16400: Fix burst mode
  iio: adis16400: Compute the scan mask from channel indices
  iio: adis16400: Use != channel indices for the two voltage channels
  iio: adis16400: Report pressure channel scale

9 years agoMerge tag 'tty-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Linus Torvalds [Sun, 7 Jun 2015 05:14:23 +0000 (22:14 -0700)]
Merge tag 'tty-4.1-rc7' of git://git./linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are a few TTY and Serial driver fixes for reported regressions
  and crashes.

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

* tag 'tty-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  n_tty: Fix auditing support for cannonical mode
  serial: 8250_omap: provide complete custom startup & shutdown callbacks
  n_tty: Fix calculation of size in canon_copy_from_read_buf
  serial: imx: Fix DMA handling for IDLE condition aborts
  serial/amba-pl011: Unconditionally poll for FIFO space before each TX char

9 years agoMerge tag 'usb-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Sun, 7 Jun 2015 05:06:53 +0000 (22:06 -0700)]
Merge tag 'usb-4.1-rc7' of git://git./linux/kernel/git/gregkh/usb

Pull USB and PHY driver fixes from Greg KH:
 "Here are some USB and PHY driver fixes that resolve some reported
  regressions.  Also in here are some new device ids.

  All of the details are in the shortlog and these patches have been in
  linux-next with no problems"

* tag 'usb-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
  USB: cp210x: add ID for HubZ dual ZigBee and Z-Wave dongle
  usb: renesas_usbhs: Don't disable the pipe if Control write status stage
  usb: renesas_usbhs: Fix fifo unclear in usbhsf_prepare_pop
  usb: gadget: f_fs: fix check in read operation
  usb: musb: fix order of conditions for assigning end point operations
  usb: gadget: f_uac1: check return code from config_ep_by_speed
  usb: gadget: ffs: fix: Always call ffs_closed() in ffs_data_clear()
  usb: gadget: g_ffs: Fix counting of missing_functions
  usb: s3c2410_udc: correct reversed pullup logic
  usb: dwc3: gadget: Fix incorrect DEPCMD and DGCMD status macros
  usb: phy: tahvo: Pass the IRQF_ONESHOT flag
  usb: phy: ab8500-usb: Pass the IRQF_ONESHOT flag
  usb: renesas_usbhs: Revise the binding document about the dma-names
  usb: host: xhci: add mutex for non-thread-safe data
  usb: make module xhci_hcd removable
  USB: serial: ftdi_sio: Add support for a Motion Tracker Development Board
  usb: gadget: f_midi: fix segfault when reading empty id
  phy: phy-rcar-gen2: Fix USBHS_UGSTS_LOCK value
  phy: omap-usb2: invoke pm_runtime_disable on error path
  phy: fix Kconfig dependencies
  ...

9 years agoMerge tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sun, 7 Jun 2015 04:43:29 +0000 (21:43 -0700)]
Merge tag 'devicetree-for-linus' of git://git./linux/kernel/git/glikely/linux

Pull devicetree fix from Grant Likely:
 "Stupid typo fix for v4.1.  One of the IS_ENABLED() macro calls forgot
  the CONFIG_ prefix.  Only affects a tiny number of platforms, but
  still..."

* tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux:
  of/dynamic: Fix test for PPC_PSERIES

9 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Sat, 6 Jun 2015 16:15:14 +0000 (09:15 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "i915 has a bunch of fixes, and Russell found a bug in sysfs writing
  handling that results in userspace getting stuck"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: fix writing to /sys/class/drm/*/status
  drm/i915: Move WaBarrierPerformanceFixDisable:skl to skl code from chv code
  drm/i915: Include G4X/VLV/CHV in self refresh status
  drm/i915: Initialize HWS page address after GPU reset
  drm/i915: Don't skip request retirement if the active list is empty
  drm/i915/hsw: Fix workaround for server AUX channel clock divisor

9 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Linus Torvalds [Sat, 6 Jun 2015 16:08:23 +0000 (09:08 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input

Pull input subsystem fixes from Dmitry Torokhov:
 "Just a couple touchpad drivers fixups"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: alps - do not reduce trackpoint speed by half
  Input: elantech - add new icbody type
  Input: elantech - fix detection of touchpads where the revision matches a known rate

9 years agoMerge branch 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 6 Jun 2015 16:06:20 +0000 (09:06 -0700)]
Merge branch 'stable/for-linus-4.1' of git://git./linux/kernel/git/konrad/swiotlb

Pull swiotlb fix from Konrad Rzeszutek Wilk:
 "Tiny little fix which just converts an function to be static.  Really
  tiny"

* 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
  swiotlb: do not export map_single function

9 years agoMerge branch 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 6 Jun 2015 16:03:54 +0000 (09:03 -0700)]
Merge branch 'stable/for-linus-4.1' of git://git./linux/kernel/git/konrad/ibft

Pull iBFT fix from Konrad Rzeszutek Wilk:
 "One single fix from Chris to workaround UEFI platforms failing with
  iSCSI IBFT"

* 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
  iscsi_ibft: filter null v4-mapped v6 addresses

9 years agoMIPS: KVM: Do not sign extend on unsigned MMIO load
Nicholas Mc Guire [Thu, 7 May 2015 12:47:50 +0000 (14:47 +0200)]
MIPS: KVM: Do not sign extend on unsigned MMIO load

Fix possible unintended sign extension in unsigned MMIO loads by casting
to uint16_t in the case of mmio_needed != 2.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Tested-by: James Hogan <james.hogan@imgtec.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9985/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
9 years agoMIPS: BPF: Fix stack pointer allocation
Markos Chandras [Thu, 4 Jun 2015 10:56:13 +0000 (11:56 +0100)]
MIPS: BPF: Fix stack pointer allocation

Fix stack pointer offset which could potentially corrupt
argument registers in the previous frame. The calculated offset
reflects the size of all the registers we need to preserve so there
is no need for this erroneous subtraction.

[ralf@linux-mips.org: Fixed conflict due to only applying this fix part
of the entire series as part of 4.1 fixes.]

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Daniel Borkmann <dborkman@redhat.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/10527/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
9 years agoMIPS: Loongson-3: Fix a cpu-hotplug issue in loongson3_ipi_interrupt()
Huacai Chen [Thu, 4 Jun 2015 06:53:47 +0000 (14:53 +0800)]
MIPS: Loongson-3: Fix a cpu-hotplug issue in loongson3_ipi_interrupt()

setup_per_cpu_areas() only setup __per_cpu_offset[] for each possible
cpu, but loongson_sysconf.nr_cpus can be greater than possible cpus
(due to reserved_cpus_mask). So in loongson3_ipi_interrupt(), percpu
access will touch the original varible in .data..percpu section which
has been freed. Without this patch, cpu-hotplug will cause memery
corruption.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/10524/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
9 years agoMIPS: Fix enabling of DEBUG_STACKOVERFLOW
James Hogan [Thu, 4 Jun 2015 12:25:27 +0000 (13:25 +0100)]
MIPS: Fix enabling of DEBUG_STACKOVERFLOW

Commit 334c86c494b9 ("MIPS: IRQ: Add stackoverflow detection") added
kernel stack overflow detection, however it only enabled it conditional
upon the preprocessor definition DEBUG_STACKOVERFLOW, which is never
actually defined. The Kconfig option is called DEBUG_STACKOVERFLOW,
which manifests to the preprocessor as CONFIG_DEBUG_STACKOVERFLOW, so
switch it to using that definition instead.

Fixes: 334c86c494b9 ("MIPS: IRQ: Add stackoverflow detection")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Adam Jiang <jiang.adam@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org> # 2.6.37+
Patchwork: http://patchwork.linux-mips.org/patch/10531/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
9 years agoMIPS: c-r4k: Fix typo in probe_scache()
Joshua Kinard [Tue, 2 Jun 2015 20:55:22 +0000 (16:55 -0400)]
MIPS: c-r4k: Fix typo in probe_scache()

Fixes a typo in arch/mips/mm/c-r4k.c's probe_scache().

Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
9 years agoclk: socfpga: make use of of_clk_parent_fill helper function
Dinh Nguyen [Fri, 5 Jun 2015 16:26:14 +0000 (11:26 -0500)]
clk: socfpga: make use of of_clk_parent_fill helper function

Use of_clk_parent_fill to fill in the parent clock's array.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: of: helper for filling parent clock array and return num of parents
Dinh Nguyen [Fri, 5 Jun 2015 16:26:13 +0000 (11:26 -0500)]
clk: of: helper for filling parent clock array and return num of parents

Sprinkled all through the platform clock drivers are code like this to
fill the clock parent array:

for (i = 0; i < num_parents; ++i)
parent_names[i] = of_clk_get_parent_name(np, i);

The of_clk_parent_fill() will do the same as the code above, and while
at it, return the number of parents as well since the logic of the
function is to the walk the clock node to look for the parent.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
[sboyd@codeaurora.org: Fixed kernel-doc]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoiscsi_ibft: filter null v4-mapped v6 addresses
Chris Leech [Thu, 28 May 2015 19:51:51 +0000 (12:51 -0700)]
iscsi_ibft: filter null v4-mapped v6 addresses

I've had reports of UEFI platforms failing iSCSI boot in various
configurations, that ended up being caused by network initialization
scripts getting tripped up by unexpected null addresses (0.0.0.0) being
reported for gateways, dhcp servers, and dns servers.

The tianocore EDK2 iSCSI driver generates an iBFT table that always uses
IPv4-mapped IPv6 addresses for the NIC structure fields.  This results
in values that are "not present or not specified" being reported as
::ffff:0.0.0.0 rather than all zeros as specified.

The iscsi_ibft module filters unspecified fields from the iBFT from
sysfs, preventing userspace from using invalid values and making it easy
to check for the presence of a value.  This currently fails in regard to
these mapped null addresses.

In order to remain consistent with how the iBFT information is exposed,
we should accommodate the behavior of the tianocore iSCSI driver as it's
already in the wild in a large number of servers.

Tested under qemu using an OVMF build of tianocore EDK2.

Signed-off-by: Chris Leech <cleech@redhat.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
9 years agoMerge branch 'clk-meson8b' into clk-next
Stephen Boyd [Sat, 6 Jun 2015 00:22:36 +0000 (17:22 -0700)]
Merge branch 'clk-meson8b' into clk-next

* clk-meson8b:
  clk: meson8b: Add support for Meson8b clocks
  clk: meson: Document bindings for Meson8b clock controller
  clk: meson: Add support for Meson clock controller

9 years agoclk: meson8b: Add support for Meson8b clocks
Carlo Caione [Mon, 1 Jun 2015 11:13:55 +0000 (13:13 +0200)]
clk: meson8b: Add support for Meson8b clocks

This patch adds support for the basic clocks found on the Amlogic
Meson8b SoCs.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: meson: Document bindings for Meson8b clock controller
Carlo Caione [Mon, 1 Jun 2015 11:13:54 +0000 (13:13 +0200)]
clk: meson: Document bindings for Meson8b clock controller

Add documentation for  the clock controller.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: meson: Add support for Meson clock controller
Carlo Caione [Mon, 1 Jun 2015 11:13:53 +0000 (13:13 +0200)]
clk: meson: Add support for Meson clock controller

This patchset adds the infrastructure for registering and managing the
core clocks found on Amlogic MesonX SoCs. In particular:

- PLLs
- CPU clock
- Fixed rate clocks, fixed factor clocks, ...

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoswiotlb: do not export map_single function
Alexandre Courbot [Tue, 26 May 2015 09:02:54 +0000 (18:02 +0900)]
swiotlb: do not export map_single function

The map_single() function is not defined as static, even though it
doesn't seem to be used anywhere else in the kernel. Make it static to
avoid namespace pollution since this is a rather generic symbol.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
9 years agodrm: fix writing to /sys/class/drm/*/status
Russell King [Fri, 5 Jun 2015 22:27:30 +0000 (08:27 +1000)]
drm: fix writing to /sys/class/drm/*/status

Writing to a file is supposed to return the number of bytes written.
Returning zero unfortunately causes bash to constantly spin trying
to write to the sysfs file, to such an extent that even ^c and ^z
have no effect.  The only way out of that is to kill the shell and
log back in.  This isn't nice behaviour.

Fix it by returning the number of characters written to sysfs files.

[airlied: used suggestion from Al Viro]
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
9 years agoMerge tag 'drm-intel-fixes-2015-06-05' of git://anongit.freedesktop.org/drm-intel...
Dave Airlie [Fri, 5 Jun 2015 21:14:13 +0000 (07:14 +1000)]
Merge tag 'drm-intel-fixes-2015-06-05' of git://anongit.freedesktop.org/drm-intel into drm-fixes

bunch of i915 fixes.
* tag 'drm-intel-fixes-2015-06-05' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Move WaBarrierPerformanceFixDisable:skl to skl code from chv code
  drm/i915: Include G4X/VLV/CHV in self refresh status
  drm/i915: Initialize HWS page address after GPU reset
  drm/i915: Don't skip request retirement if the active list is empty
  drm/i915/hsw: Fix workaround for server AUX channel clock divisor

9 years agoMerge tag 'pci-v4.1-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Linus Torvalds [Fri, 5 Jun 2015 17:22:06 +0000 (10:22 -0700)]
Merge tag 'pci-v4.1-fixes-2' of git://git./linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "Resource management
   - Fix IOV sorting by alignment (Wei Yang)
   - Preserve resource size during alignment reordering (Yinghai Lu)

  Miscellaneous
    - MAINTAINERS: Add Pratyush for SPEAr13xx and DesignWare PCIe (Pratyush Anand)"

* tag 'pci-v4.1-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Preserve resource size during alignment reordering
  PCI: Fix IOV resource sorting by alignment requirement
  MAINTAINERS: Add Pratyush Anand as SPEAr13xx and DesignWare PCIe maintainer

9 years agoMerge tag 'sound-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
Linus Torvalds [Fri, 5 Jun 2015 17:16:52 +0000 (10:16 -0700)]
Merge tag 'sound-4.1-rc7' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "It was a fairly calm week; here you can find only a few trivial quirks
  and fixes for USB and HD-audio.  All changes are pretty device
  specific"

* tag 'sound-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: usb-audio: fix missing input volume controls in MAYA44 USB(+)
  ALSA: usb-audio: add MAYA44 USB+ mixer control names
  ALSA: hda/realtek - Add a fixup for another Acer Aspire 9420
  ALSA: hda - Fix jack detection at resume with VT codecs
  ALSA: usb-audio: don't try to get Outlaw RR2150 sample rate
  ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion
  ALSA: hda/realtek - Suooprt Dell headset mode for ALC256

9 years agoMerge tag 'iommu-fixes-v4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 5 Jun 2015 17:14:51 +0000 (10:14 -0700)]
Merge tag 'iommu-fixes-v4.1-rc6' of git://git./linux/kernel/git/joro/iommu

Pull iommu fix from Joerg Roedel:
 "Only one patch:

   - Revert "iommu/amd: Don't allocate with __GFP_ZERO in
     alloc_coherent".

     This patch caused problems with some drivers, so it is better to
     revert it now until the drivers have been fixed"

* tag 'iommu-fixes-v4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  Revert "iommu/amd: Don't allocate with __GFP_ZERO in alloc_coherent"

9 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 5 Jun 2015 17:03:48 +0000 (10:03 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:
 "Misc fixes:

   - early_idt_handlers[] fix that fixes the build with bleeding edge
     tooling

   - build warning fix on GCC 5.1

   - vm86 fix plus self-test to make it harder to break it again"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/asm/irq: Stop relying on magic JMP behavior for early_idt_handlers
  x86/asm/entry/32, selftests: Add a selftest for kernel entries from VM86 mode
  x86/boot: Add CONFIG_PARAVIRT_SPINLOCKS quirk to arch/x86/boot/compressed/misc.h
  x86/asm/entry/32: Really make user_mode() work correctly for VM86 mode

9 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 5 Jun 2015 17:00:53 +0000 (10:00 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "The biggest chunk of the changes are two regression fixes: a HT
  workaround fix and an event-group scheduling fix.  It's been verified
  with 5 days of fuzzer testing.

  Other fixes:

   - eBPF fix
   - a BIOS breakage detection fix
   - PMU driver fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/pt: Fix a refactoring bug
  perf/x86: Tweak broken BIOS rules during check_hw_exists()
  perf/x86/intel/pt: Untangle pt_buffer_reset_markers()
  perf: Disallow sparse AUX allocations for non-SG PMUs in overwrite mode
  perf/x86: Improve HT workaround GP counter constraint
  perf/x86: Fix event/group validation
  perf: Fix race in BPF program unregister

9 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Fri, 5 Jun 2015 16:58:36 +0000 (09:58 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Just two small fixes: one radeon, one amdkfd"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/amdkfd: fix topology bug with capability attr.
  drm/radeon: use proper ACR regisiter for DCE3.2

9 years agoMerge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa...
Linus Torvalds [Fri, 5 Jun 2015 16:54:43 +0000 (09:54 -0700)]
Merge branch 'i2c/for-current' of git://git./linux/kernel/git/wsa/linux

Pull i2c bug fixes from Wolfram Sang:
 "Two small bugfixes for I2C"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: s3c2410: fix oops in suspend callback for non-dt platforms
  i2c: hix5hd2: Fix modalias to make module auto-loading work

9 years agoMerge tag 'usb-serial-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan...
Greg Kroah-Hartman [Fri, 5 Jun 2015 14:19:45 +0000 (23:19 +0900)]
Merge tag 'usb-serial-4.1-rc7' of git://git./linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for v4.1-rc7

Here are a couple of new device ids.

Signed-off-by: Johan Hovold <johan@kernel.org>
9 years agoInput: alps - do not reduce trackpoint speed by half
Hans de Goede [Fri, 5 Jun 2015 05:31:43 +0000 (22:31 -0700)]
Input: alps - do not reduce trackpoint speed by half

On some v7 devices (e.g. Lenovo-E550) the deltas reported are typically
only in the 0-1 range dividing this by 2 results in a range of 0-0.

And even for v7 devices where this does not lead to making the trackstick
entirely unusable, it makes it twice as slow as before we added v7 support
and were using the ps/2 mouse emulation of the dual point setup.

If some kind of generic slowdown is actually necessary for some devices,
then that belongs in userspace, not in the kernel.

Cc: stable@vger.kernel.org
Reported-and-tested-by: Rico Moorman <rico.moorman@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
9 years agoInput: elantech - add new icbody type
洪一竹 [Fri, 5 Jun 2015 05:00:24 +0000 (22:00 -0700)]
Input: elantech - add new icbody type

This adds new icbody type to the list recognized by Elantech PS/2 driver.

Cc: stable@vger.kernel.org
Signed-off-by: Sam Hung <sam.hung@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
9 years agoof/dynamic: Fix test for PPC_PSERIES
Geert Uytterhoeven [Thu, 4 Jun 2015 09:34:41 +0000 (11:34 +0200)]
of/dynamic: Fix test for PPC_PSERIES

"IS_ENABLED(PPC_PSERIES)" always evaluates to false, as IS_ENABLED() is
supposed to be used with the full Kconfig symbol name, including the
"CONFIG_" prefix.

Add the missing "CONFIG_" prefix to fix this.

Fixes: a25095d451ece23b ("of: Move dynamic node fixups out of powerpc and into common code")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: stable@vger.kernel.org #+3.17
Signed-off-by: Grant Likely <grant.likely@linaro.org>
9 years agocompat: cleanup coding in compat_get_bitmap() and compat_put_bitmap()
Helge Deller [Thu, 4 Jun 2015 21:57:18 +0000 (23:57 +0200)]
compat: cleanup coding in compat_get_bitmap() and compat_put_bitmap()

In the functions compat_get_bitmap() and compat_put_bitmap() the
variable nr_compat_longs stores how many compat_ulong_t words should be
copied in a loop.

The copy loop itself is this:
  if (nr_compat_longs-- > 0) {
      if (__get_user(um, umask)) return -EFAULT;
  } else {
      um = 0;
  }

Since nr_compat_longs gets unconditionally decremented in each loop and
since it's type is unsigned this could theoretically lead to out of
bounds accesses to userspace if nr_compat_longs wraps around to
(unsigned)(-1).

Although the callers currently do not trigger out-of-bounds accesses, we
should better implement the loop in a safe way to completely avoid such
warp-arounds.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
9 years agoclk: make several parent names const
Uwe Kleine-König [Thu, 28 May 2015 08:45:51 +0000 (10:45 +0200)]
clk: make several parent names const

Since commit 2893c379461a ("clk: make strings in parent name arrays
const") the name of parent clocks can be const. So add more const in
several clock drivers.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoUSB: cp210x: add ID for HubZ dual ZigBee and Z-Wave dongle
John D. Blair [Thu, 4 Jun 2015 20:18:19 +0000 (13:18 -0700)]
USB: cp210x: add ID for HubZ dual ZigBee and Z-Wave dongle

Added the USB serial device ID for the HubZ dual ZigBee
and Z-Wave radio dongle.

Signed-off-by: John D. Blair <johnb@candicontrols.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
9 years agoclk: mediatek: Fix apmixedsys clock registration
James Liao [Thu, 21 May 2015 07:12:52 +0000 (15:12 +0800)]
clk: mediatek: Fix apmixedsys clock registration

The size of clk_data should be the same as CLK_APMIXED_NR_CLK
instead of ARRAY_SIZE(plls). CLK_APMIXED_* is numbered from 1, so
CLK_APMIXED_NR_CLK will be greater than ARRAY_SIZE(plls).

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: ti: Use of_clk_get_parent_count() instead of open coding
Geert Uytterhoeven [Fri, 29 May 2015 09:25:47 +0000 (11:25 +0200)]
clk: ti: Use of_clk_get_parent_count() instead of open coding

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: st: Use of_clk_get_parent_count() instead of open coding
Geert Uytterhoeven [Fri, 29 May 2015 09:25:46 +0000 (11:25 +0200)]
clk: st: Use of_clk_get_parent_count() instead of open coding

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: at91: Use of_clk_get_parent_count() instead of open coding
Geert Uytterhoeven [Fri, 29 May 2015 09:25:45 +0000 (11:25 +0200)]
clk: at91: Use of_clk_get_parent_count() instead of open coding

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: pistachio: Add sanity checks on PLL configuration
Kevin Cernekee [Tue, 26 May 2015 22:01:09 +0000 (19:01 -0300)]
clk: pistachio: Add sanity checks on PLL configuration

When setting the PLL rates, check that:

 - VCO is within range
 - PFD is within range
 - PLL is disabled when postdiv is changed
 - postdiv2 <= postdiv1

Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Kevin Cernekee <cernekee@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: pistachio: Lock the PLL when enabled upon rate change
Ezequiel Garcia [Tue, 26 May 2015 22:01:08 +0000 (19:01 -0300)]
clk: pistachio: Lock the PLL when enabled upon rate change

Currently, when the rate is changed, the driver makes sure the
PLL is enabled before doing so. This is done because the PLL
cannot be locked while disabled. Once locked, the drivers
returns the PLL to its previous enable/disable state.

This is a bit cumbersome, and can be simplified.

This commit reworks the .set_rate() functions for the integer
and fractional PLLs. Upon rate change, the PLL is now locked
only if it's already enabled.

Also, the driver locks the PLL on .enable(). This makes sure
the PLL is locked when enabled, and not locked when disabled.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: pistachio: Add a pll_lock() helper for clarity
Ezequiel Garcia [Tue, 26 May 2015 22:01:07 +0000 (19:01 -0300)]
clk: pistachio: Add a pll_lock() helper for clarity

This commit adds a pll_lock() helper making the code more readable.
Cosmetic change only, no functionality changes.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: mmp: add timer clock for pxa168/mmp2/pxa910
Chao Xie [Thu, 30 Apr 2015 01:53:42 +0000 (09:53 +0800)]
clk: mmp: add timer clock for pxa168/mmp2/pxa910

Timer has external fast clock, and it is a mux clock.
Add the timer clock type for timer driver.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: mmp: Fix the wrong factor table for uart PLL
Chao Xie [Thu, 30 Apr 2015 01:53:41 +0000 (09:53 +0800)]
clk: mmp: Fix the wrong factor table for uart PLL

The suggested value in the mmp2 manual is wrong.
There are only 13 bits for numerator, but some suggested
value has 14 bits.
Fix the factor tabled and remove the unused items.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoclk: mmp: add fixed clock UBS_PLL for pxa910/pxa168
Chao Xie [Thu, 30 Apr 2015 01:53:40 +0000 (09:53 +0800)]
clk: mmp: add fixed clock UBS_PLL for pxa910/pxa168

USB will drive clock from USB_PLL.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
9 years agoMerge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Linus Torvalds [Thu, 4 Jun 2015 17:19:34 +0000 (10:19 -0700)]
Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine fixes from Vinod Koul:
 "We have two small fixes:

   - pl330 termination hang fix by Krzysztof

   - hsu memory leak fix by Peter"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: hsu: Fix memory leak when stopping a running transfer
  dmaengine: pl330: Fix hang on dmaengine_terminate_all on certain boards

9 years agoperf/x86/intel/pt: Fix a refactoring bug
Alexander Shishkin [Thu, 4 Jun 2015 13:31:47 +0000 (16:31 +0300)]
perf/x86/intel/pt: Fix a refactoring bug

Commit 066450be41 ("perf/x86/intel/pt: Clean up the control flow
in pt_pmu_hw_init()") changed attribute initialization so that
only the first attribute gets initialized using
sysfs_attr_init(), which upsets lockdep.

This patch fixes the glitch so that all allocated attributes are
properly initialized thus fixing the lockdep warning reported by
Tvrtko and Imre.

Reported-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Reported-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
9 years agodrm/i915: Move WaBarrierPerformanceFixDisable:skl to skl code from chv code
Ville Syrjälä [Tue, 2 Jun 2015 12:37:35 +0000 (15:37 +0300)]
drm/i915: Move WaBarrierPerformanceFixDisable:skl to skl code from chv code

 commit 65ca7514e21adbee25b8175fc909759c735d00ff
 Author: Damien Lespiau <damien.lespiau@intel.com>
 Date:   Mon Feb 9 19:33:22 2015 +0000

    drm/i915/skl: Implement WaBarrierPerformanceFixDisable

got misapplied and the code landed in chv_init_workarounds() instead of
the intended skl_init_workarounds(). Move it over to the right place.

Cc: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
9 years agodrm/i915: Include G4X/VLV/CHV in self refresh status
Ander Conselvan de Oliveira [Tue, 2 Jun 2015 11:17:47 +0000 (14:17 +0300)]
drm/i915: Include G4X/VLV/CHV in self refresh status

Add all missing platforms handled by intel_set_memory_cxsr() to the
i915_sr_status debugfs entry.

v2: Add G4X too. (Ville)
    Clarify the change also affects CHV. (Ander)

References: https://bugs.freedesktop.org/show_bug.cgi?id=89792
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
9 years agodrm/i915: Initialize HWS page address after GPU reset
Arun Siluvery [Tue, 2 Jun 2015 19:06:59 +0000 (20:06 +0100)]
drm/i915: Initialize HWS page address after GPU reset

After GPU reset, HW is losing the address of HWS page in the register.
The page itself is valid except that HW is not aware of its location.

[   64.368623] [drm:gen8_init_common_ring [i915]] *ERROR* HWS Page address = 0x00000000
[   64.368655] [drm:gen8_init_common_ring [i915]] *ERROR* HWS Page address = 0x00000000
[   64.368681] [drm:gen8_init_common_ring [i915]] *ERROR* HWS Page address = 0x00000000
[   64.368704] [drm:gen8_init_common_ring [i915]] *ERROR* HWS Page address = 0x00000000

This patch reloads this value into the register during ring init.

Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
9 years agoMerge tag 'drm-amdkfd-fixes-2015-06-03' of git://people.freedesktop.org/~gabbayo...
Dave Airlie [Thu, 4 Jun 2015 02:29:04 +0000 (12:29 +1000)]
Merge tag 'drm-amdkfd-fixes-2015-06-03' of git://people.freedesktop.org/~gabbayo/linux into drm-fixes

One minor fix for last -rc of 4.1. The fix moves the update of an attribute in
topology to *after* it is actually initialized.

* tag 'drm-amdkfd-fixes-2015-06-03' of git://people.freedesktop.org/~gabbayo/linux:
  drm/amdkfd: fix topology bug with capability attr.

9 years agoMerge branch 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux into drm...
Dave Airlie [Thu, 4 Jun 2015 02:28:41 +0000 (12:28 +1000)]
Merge branch 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

One more small r7xx audio regression fix for 4.1

* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: use proper ACR regisiter for DCE3.2

9 years agoMerge branch 'for-linus' of git://git.kernel.dk/linux-block
Linus Torvalds [Wed, 3 Jun 2015 23:35:00 +0000 (16:35 -0700)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-block

Pull block layer fixes from Jens Axboe:
 "Sending this off now, as I'm not aware of other current bugs, nor do I
  expect further fixes before 4.1 final.  This contains two fixes:

   - a fix for a bdi unregister warning that gets spewed on md, due to a
     regression introduced earlier in this cycle.  From Neil Brown.

   - a fix for a compile warning for NVMe on 32-bit platforms, also a
     regression introduced in this cycle.  From Arnd Bergmann"

* 'for-linus' of git://git.kernel.dk/linux-block:
  NVMe: fix type warning on 32-bit
  block: discard bdi_unregister() in favour of bdi_destroy()

9 years agoMAINTAINERS - remove OSDL reference
Stephen Hemminger [Wed, 3 Jun 2015 20:32:02 +0000 (13:32 -0700)]
MAINTAINERS - remove OSDL reference

OSDL has been gone for many years, looks like there still was
one reference to it.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 years agoMerge branch 'clk-next-hi6220' into clk-next
Michael Turquette [Wed, 3 Jun 2015 22:22:03 +0000 (15:22 -0700)]
Merge branch 'clk-next-hi6220' into clk-next

Conflicts:
drivers/clk/Kconfig

9 years agoAdd TI CDCE925 I2C controlled clock synthesizer driver
Mike Looijmans [Wed, 3 Jun 2015 05:25:19 +0000 (07:25 +0200)]
Add TI CDCE925 I2C controlled clock synthesizer driver

This driver supports the TI CDCE925 programmable clock synthesizer.
The chip contains two PLLs with spread-spectrum clocking support and
five output dividers. The driver only supports the following setup,
and uses a fixed setting for the output muxes:
  Y1 is derived from the input clock
  Y2 and Y3 derive from PLL1
  Y4 and Y5 derive from PLL2
Given a target output frequency, the driver will set the PLL and
divider to best approximate the desired output.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
9 years agoclk: mvebu: add missing CESA gate clk
Boris Brezillon [Tue, 26 May 2015 12:42:57 +0000 (14:42 +0200)]
clk: mvebu: add missing CESA gate clk

Even if not documented in the datasheet, the Armada 370 SoC can actually
gate the CESA (crypto engine) clock.
Add an entry in the gating_desc table to be able to reference the CESA
gateclk in the crypto node.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
9 years agoclk: hi6220: Clock driver support for Hisilicon hi6220 SoC
Bintian Wang [Fri, 29 May 2015 02:08:38 +0000 (10:08 +0800)]
clk: hi6220: Clock driver support for Hisilicon hi6220 SoC

Add clock drivers for hi6220 SoC, this driver controls the SoC
registers to supply different clocks to different IPs in the SoC.

We add one divider clock for hi6220 because the divider in hi6220
also has a mask bit but it doesnot obey the rule defined by flag
"CLK_DIVIDER_HIWORD_MASK", we can not get index of the mask bit by
left shift fixed bits (e.g. 16 bits), so we add this divider clock
to handle it.

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Signed-off-by: Bintian Wang <bintian.wang@huawei.com>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
9 years agodrm/amdkfd: fix topology bug with capability attr.
Alexey Skidanov [Sun, 30 Nov 2014 13:03:51 +0000 (15:03 +0200)]
drm/amdkfd: fix topology bug with capability attr.

This patch fixes a bug where the number of watch points
was shown before it was actually calculated

Signed-off-by: Alexey Skidanov <Alexey.Skidanov@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
9 years agodt-bindings: Add header file of hi6220 clock driver
Bintian Wang [Fri, 29 May 2015 02:08:37 +0000 (10:08 +0800)]
dt-bindings: Add header file of hi6220 clock driver

Add the header file "hi6220-clock.h" used by both
hi6220 clock driver and hi6220 device tree file.

Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bintian Wang <bintian.wang@huawei.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
9 years agoclk: hisilicon: Remove __init for marking function prototypes
Bintian Wang [Fri, 29 May 2015 02:08:36 +0000 (10:08 +0800)]
clk: hisilicon: Remove __init for marking function prototypes

__init markings on function prototypes are useless, so remove
them.

Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bintian Wang <bintian.wang@huawei.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
9 years agolib: Clarify the return value of strnlen_user()
Jan Kara [Wed, 3 Jun 2015 13:50:35 +0000 (15:50 +0200)]
lib: Clarify the return value of strnlen_user()

strnlen_user() can return a number in a range 0 to count +
sizeof(unsigned long) - 1. Clarify the comment at the top of the
function so that users don't think the function returns at most count+1.

Signed-off-by: Jan Kara <jack@suse.cz>
[ Also added commentary about preferably not using this function ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 years agoALSA: usb-audio: fix missing input volume controls in MAYA44 USB(+)
Clemens Ladisch [Wed, 3 Jun 2015 09:36:51 +0000 (11:36 +0200)]
ALSA: usb-audio: fix missing input volume controls in MAYA44 USB(+)

The driver worked around an error in the MAYA44 USB(+)'s mixer unit
descriptor by aborting before parsing the missing field.  However,
aborting parsing too early prevented parsing of the other units
connected to this unit, so the capture mixer controls would be missing.

Fix this by moving the check for this descriptor error after the parsing
of the unit's input pins.

Reported-by: nightmixes <nightmixes@gmail.com>
Tested-by: nightmixes <nightmixes@gmail.com>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
9 years agoALSA: usb-audio: add MAYA44 USB+ mixer control names
Clemens Ladisch [Wed, 3 Jun 2015 09:36:42 +0000 (11:36 +0200)]
ALSA: usb-audio: add MAYA44 USB+ mixer control names

Add mixer control names for the ESI Maya44 USB+ (which appears to be
identical width the AudioTrak Maya44 USB).

Reported-by: nightmixes <nightmixes@gmail.com>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
9 years agoMIPS: Avoid an FPE exception in FCSR mask probing
Maciej W. Rozycki [Tue, 2 Jun 2015 16:50:59 +0000 (17:50 +0100)]
MIPS: Avoid an FPE exception in FCSR mask probing

Use the default FCSR value in mask probing, avoiding an FPE exception
where reset has left any exception enable and their corresponding cause
bits set and the register is then rewritten with these bits active.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Joshua Kinard <kumba@gentoo.org>
Cc: linux-mips@linux-mips.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
9 years agoMerge tag 'please-pull-rusty' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl...
Linus Torvalds [Tue, 2 Jun 2015 17:58:34 +0000 (10:58 -0700)]
Merge tag 'please-pull-rusty' of git://git./linux/kernel/git/aegl/linux

Pull ia64 fix from Tony Luck:
 "Fix some build warnings for ia64 - cpu_callin_map doesn't need to be
  volatile"

* tag 'please-pull-rusty' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  ia64: make cpu_callin_map non-volatile.

9 years agoALSA: hda/realtek - Add a fixup for another Acer Aspire 9420
Takashi Iwai [Tue, 2 Jun 2015 17:57:08 +0000 (19:57 +0200)]
ALSA: hda/realtek - Add a fixup for another Acer Aspire 9420

Acer Aspire 9420 with ALC883 (1025:0107) needs the fixup for EAPD to
make the sound working like other Aspire models.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=94111
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
9 years agoInput: elantech - fix detection of touchpads where the revision matches a known rate
Hans de Goede [Tue, 2 Jun 2015 17:40:50 +0000 (10:40 -0700)]
Input: elantech - fix detection of touchpads where the revision matches a known rate

Make the check to skip the rate check more lax, so that it applies
to all hw_version 4 models.

This fixes the touchpad not being detected properly on Asus PU551LA
laptops.

Cc: stable@vger.kernel.org
Reported-and-tested-by: David Zafra Gómez <dezeta@klo.es>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
9 years agovfs: read file_handle only once in handle_to_path
Sasha Levin [Wed, 28 Jan 2015 20:30:43 +0000 (15:30 -0500)]
vfs: read file_handle only once in handle_to_path

We used to read file_handle twice.  Once to get the amount of extra
bytes, and once to fetch the entire structure.

This may be problematic since we do size verifications only after the
first read, so if the number of extra bytes changes in userspace between
the first and second calls, we'll have an incoherent view of
file_handle.

Instead, read the constant size once, and copy that over to the final
structure without having to re-read it again.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 years agolib: Fix strnlen_user() to not touch memory after specified maximum
Jan Kara [Tue, 2 Jun 2015 15:10:28 +0000 (17:10 +0200)]
lib: Fix strnlen_user() to not touch memory after specified maximum

If the specified maximum length of the string is a multiple of unsigned
long, we would load one long behind the specified maximum.  If that
happens to be in a next page, we can hit a page fault although we were
not expected to.

Fix the off-by-one bug in the test whether we are at the end of the
specified range.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 years agoia64: make cpu_callin_map non-volatile.
Rusty Russell [Mon, 1 Jun 2015 06:23:53 +0000 (15:53 +0930)]
ia64: make cpu_callin_map non-volatile.

cpumask_test_cpu() doesn't take volatile, unlike the obsoleted
cpu_isset.  The only place ia64 really cares is the spin waiting for a
bit; udelay() is probably a barrier but insert barrier() to be sure.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
9 years agoMIPS: ath79: Add a missing new line in log message
Alban Bedel [Sun, 19 Apr 2015 12:30:01 +0000 (14:30 +0200)]
MIPS: ath79: Add a missing new line in log message

The memory setup log is missing a new line.

Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: linux-mips@linux-mips.org
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: Qais Yousef <qais.yousef@imgtec.com>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9771/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>