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As there is no need for it (the fallback code is for older
hypervisors and they only run under x86), and also b/c
we get:
drivers/xen/fallback.c: In function 'xen_event_channel_op_compat':
drivers/xen/fallback.c:10:19: error: storage size of 'op' isn't known
drivers/xen/fallback.c:15:2: error: implicit declaration of function '_hypercall1' [-Werror=implicit-function-declaration]
drivers/xen/fallback.c:15:19: error: expected expression before 'int'
drivers/xen/fallback.c:18:7: error: 'EVTCHNOP_close' undeclared (first use in this function)
drivers/xen/fallback.c:18:7: note: each undeclared identifier is reported only once for each function it appears in
.. and more
[v1: Moved the enablement to be covered by CONFIG_X86 per Ian's suggestion]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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exit_idle() should be called after irq_enter(), otherwise it throws:
[ INFO: suspicious RCU usage. ]
3.6.5 #1 Not tainted
-------------------------------
include/linux/rcupdate.h:725 rcu_read_lock() used illegally while idle!
other info that might help us debug this:
RCU used illegally from idle CPU!
rcu_scheduler_active = 1, debug_locks = 1
RCU used illegally from extended quiescent state!
1 lock held by swapper/0/0:
#0: (rcu_read_lock){......}, at: [<ffffffff810e9fe0>] __atomic_notifier_call_chain+0x0/0x140
stack backtrace:
Pid: 0, comm: swapper/0 Not tainted 3.6.5 #1
Call Trace:
<IRQ> [<ffffffff811259a2>] lockdep_rcu_suspicious+0xe2/0x130
[<ffffffff810ea10c>] __atomic_notifier_call_chain+0x12c/0x140
[<ffffffff810e9fe0>] ? atomic_notifier_chain_unregister+0x90/0x90
[<ffffffff811216cd>] ? trace_hardirqs_off+0xd/0x10
[<ffffffff810ea136>] atomic_notifier_call_chain+0x16/0x20
[<ffffffff810777c3>] exit_idle+0x43/0x50
[<ffffffff81568865>] xen_evtchn_do_upcall+0x25/0x50
[<ffffffff81aa690e>] xen_do_hypervisor_callback+0x1e/0x30
<EOI> [<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000
[<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000
[<ffffffff81061540>] ? xen_safe_halt+0x10/0x20
[<ffffffff81075cfa>] ? default_idle+0xba/0x570
[<ffffffff810778af>] ? cpu_idle+0xdf/0x140
[<ffffffff81a4d881>] ? rest_init+0x135/0x144
[<ffffffff81a4d74c>] ? csum_partial_copy_generic+0x16c/0x16c
[<ffffffff82520c45>] ? start_kernel+0x3db/0x3e8
[<ffffffff8252066a>] ? repair_env_string+0x5a/0x5a
[<ffffffff82520356>] ? x86_64_start_reservations+0x131/0x135
[<ffffffff82524aca>] ? xen_start_kernel+0x465/0x46
Git commit 98ad1cc14a5c4fd658f9d72c6ba5c86dfd3ce0d5
Author: Frederic Weisbecker <fweisbec@gmail.com>
Date: Fri Oct 7 18:22:09 2011 +0200
x86: Call idle notifier after irq_enter()
did this, but it missed the Xen code.
Signed-off-by: Mojiong Qiu <mjqiu@tencent.com>
Cc: stable@vger.kernel.org # from 3.3 and newer.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Makes it easier to troubleshoot in the field.
Acked-by: Ian Campbell <ian.campbell@citrix.com>
[v1: Use macro per Ian's suggestion]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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The order shouldn't matter, but this seems to cause regressions for
certain specific cases. This should fix it for now. We probably
need to investigate a proper fix in the next development cycle.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Andy Furniss <andyqos@ukfsn.org>
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To parse properly the subwoofer outputs on ASUS G75 laptop with VT1802
codec, correct the default configurations of speaker pins 0x24 and
0x33.
Reported-by: Massimo Del Fedele <max@veneto.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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VT1802 codec provides the invalid connection lists of NID 0x24 and
0x33 containing the routes to a non-exist widget 0x3e. This confuses
the auto-parser. Fix it up in the driver by overriding these
connections.
Reported-by: Massimo Del Fedele <max@veneto.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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In via_auto_fill_adc_nids(), the parser tries to fill dac_nids[] at
the point of the current line-out (i). When no valid path is found
for this output, this results in dac = 0, thus it creates a hole in
dac_nids[]. This confuses is_empty_dac() and trims the detected DAC
in later reference.
This patch fixes the bug by appending DAC properly to dac_nids[] in
via_auto_fill_adc_nids().
Reported-by: Massimo Del Fedele <max@veneto.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The main UART on the Xilinx ZC702 board is UART1, located at address
e0001000. Add a Kconfig option to select this device as the low-level
debugging port. This allows the really early boot printouts to reach
the USB serial adaptor on this board.
For consistency's sake, add a choice entry for UART0 even though it is
the the default if UART1 is not selected.
Signed-off-by: Nick Bowler <nbowler@elliptictech.com>
Tested-by: Josh Cartwright <josh.cartwright@ni.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
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Pull gfs2 fixes from Steven Whitehouse:
"Here are a number of GFS2 bug fixes. There are three from Andy Price
which fix various issues spotted by automated code analysis. There
are two from Lukas Czerner fixing my mistaken assumptions as to how
FITRIM should work. Finally Ben Marzinski has fixed a bug relating to
mmap and atime and also a bug relating to a locking issue in the
transaction code."
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes:
GFS2: Test bufdata with buffer locked and gfs2_log_lock held
GFS2: Don't call file_accessed() with a shared glock
GFS2: Fix FITRIM argument handling
GFS2: Require user to provide argument for FITRIM
GFS2: Clean up some unused assignments
GFS2: Fix possible null pointer deref in gfs2_rs_alloc
GFS2: Fix an unchecked error from gfs2_rs_alloc
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon fixes from Jean Delvare.
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: Fix chip feature table headers
hwmon: (w83627ehf) Force initial bank selection
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OMAP2+ family of devices are now obtaining resources via DT, earlier
it was obtained from hwmod. Update binding document accrodingly, while
at it add example.
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add the pinmux configuration for HDMI and TPD12S015A. Configure the
gpios for the TPD12S015A and SDA, SCL and CEC for HDMI.
Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add the pinmux configuration for HDMI and TPD12S015A. Configure the
gpios for the TPD12S015A and SDA, SCL and CEC for HDMI.
Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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In gfs2_trans_add_bh(), gfs2 was testing if a there was a bd attached to the
buffer without having the gfs2_log_lock held. It was then assuming it would
stay attached for the rest of the function. However, without either the log
lock being held of the buffer locked, __gfs2_ail_flush() could detach bd at any
time. This patch moves the locking before the test. If there isn't a bd
already attached, gfs2 can safely allocate one and attach it before locking.
There is no way that the newly allocated bd could be on the ail list,
and thus no way for __gfs2_ail_flush() to detach it.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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file_accessed() was being called by gfs2_mmap() with a shared glock. If it
needed to update the atime, it was crashing because it dirtied the inode in
gfs2_dirty_inode() without holding an exclusive lock. gfs2_dirty_inode()
checked if the caller was already holding a glock, but it didn't make sure that
the glock was in the exclusive state. Now, instead of calling file_accessed()
while holding the shared lock in gfs2_mmap(), file_accessed() is called after
grabbing and releasing the glock to update the inode. If file_accessed() needs
to update the atime, it will grab an exclusive lock in gfs2_dirty_inode().
gfs2_dirty_inode() now also checks to make sure that if the calling process has
already locked the glock, it has an exclusive lock.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Currently implementation in gfs2 uses FITRIM arguments as it were in
file system blocks units which is wrong. The FITRIM arguments
(fstrim_range.start, fstrim_range.len and fstrim_range.minlen) are
actually in bytes.
Moreover, check for start argument beyond the end of file system, len
argument being smaller than file system block and minlen argument being
bigger than biggest resource group were missing.
This commit converts the code to convert FITRIM argument to file system
blocks and also adds appropriate checks mentioned above.
All the problems were recognised by xfstests 251 and 260.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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When the fstrim_range argument is not provided by user in FITRIM ioctl
we should just return EFAULT and not promoting bad behaviour by filling
the structure in kernel. Let the user deal with it.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Cleans up two cases where variables were assigned values but then never
used again.
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Despite the return value from kmem_cache_zalloc() being checked, the
error wasn't being returned until after a possible null pointer
dereference. This patch returns the error immediately, allowing the
removal of the error variable.
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Check the return value of gfs2_rs_alloc(ip) and avoid a possible null
pointer dereference.
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Pull drm fixes from Dave Airlie:
"A single radeon typo fix for a regressions and two fixes for a
regression in the open helper address space stuff."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: fix typo in evergreen_mc_resume()
drm: set dev_mapping before calling drm_open_helper
drm: restore open_count if drm_setup fails
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Pull arm fixes from Russell King:
"Not much here again.
The two most notable things here are the sched_clock() fix, which was
causing problems with the scheduling of threaded IRQs after a suspend
event, and the vfp fix, which afaik has only been seen on some older
OMAP boards. Nevertheless, both are fairly important fixes."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7569/1: mm: uninitialized warning corrections
ARM: 7567/1: io: avoid GCC's offsettable addressing modes for halfword accesses
ARM: 7566/1: vfp: fix save and restore when running on pre-VFPv3 and CONFIG_VFPv3 set
ARM: 7565/1: sched: stop sched_clock() during suspend
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Add missing index that may have led us to enabling
more crtcs than necessary.
May also fix:
https://bugs.freedesktop.org/show_bug.cgi?id=56139
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Some drivers (specifically vmwgfx) look at dev_mapping
in their open hook, so we have to set dev->dev_mapping
earlier in the process.
Reference:
http://lists.freedesktop.org/archives/dri-devel/2012-October/029420.html
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reported-by: Thomas Hellstrom <thellstrom@vmware.com>
Cc: stable@vger.kernel.org
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If drm_setup (called at first open) fails, the whole
open call has failed, so we should not keep the
open_count incremented.
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Cc: stable@vger.kernel.org
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into omap-for-v3.8/dt
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The only thing omap_init_consistent_dma_size() does is increase the
consistent DMA size if CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE is defined.
Increasing the consistent DMA size should no longer be needed with CMA
in place.
This patch removes omap_init_consistent_dma_size() and also
arch/arm/mach-omap2/io.c:omap_common_init_early() which becomes an empty
function.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[tony@atomide.com: updated for moved dma.h]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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bitmap_or uses the number of bits as its length parameter and
not the number of words necessary to store those bits.
This fixes a regression introduced by:
aa92b33 s390/cio: use generic bitmap functions
Reported-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Acked-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The early mini sclp driver may be called in zArch mode either in
31 or 64 bit addressing mode.
If called in 31 bit addressing mode the new external interrupt psw
however would switch to 64 bit addressing mode. This would cause an
addressing exception within the interrupt handler, since the code
didn't expect the zArch/31 bit addressing mode combination.
Fix this by setting the new psw addressing mode bits so they fit
the current addressing mode.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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There's no need to keep __MAX_SUBCHANNEL and __MAX_SSID private to the
common I/O layer when __MAX_CSSID is usable by everybody.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The EVMSK was not built with the 'make dtbs' command.
Add the missing entry in the dts Makefile.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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git://git.linaro.org/people/ljones/linux-3.0-ux500 into next/dt
From Lee Jones:
* 'ste-dt-for-next' of git://git.linaro.org/people/ljones/linux-3.0-ux500: (31 commits)
ARM: ux500: Convert DT_MACHINE_START to use SMP operations
ARM: ux500: CONFIG: Enable GPIO Regulators
ARM: ux500: Change the type of interrupt to something compatible
ARM: ux500: Add node for the MMC GPIO regulator
ARM: ux500: List DT compatibility using platform names rather than by board
ARM: ux500: Remove duplicate DT_MACHINE_START - make u8500 for generic
ARM: ux500: Rename references to the ccu9540 dev board accordingly
ARM: ux500: Enable all MMC devices on the u9540 when booting with DT
ARM: ux500: Enable SDI4 port on the u9540 when booting with Device Tree
ARM: ux500: Add UART support to the u9540 Device Tree
ARM: ux500: Add support for ST-Ericsson's u9540 SoC
ARM: ux500: Add skeleton DTS file for the u9540
ARM: ux500: Remove unused board compatible string
ARM: ux500: Supply the STMPE keypad Device Tree node to the STUIB DT
ARM: ux500: Apply a Device Tree node for the STMPE MFD
ARM: ux500: Stop informing the regulator subsystem that we have full constraints
ARM: ux500: Add all bu21013 touch screen components to supported Device Trees
ARM: ux500: Stop calling the UIB init function when using Device Tree
ARM: ux500: Create a new Device Tree include file for boards supporting STUIBs
Documentation: Detail permitted DT properties for the BU21013 Touch Screen
...
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Device tree node for usbss on AM33XX. There are two musb
controllers on am33xx platform so have port0-mode and
port1-mode data.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com>
Signed-off-by: Ravi Babu <ravibabu@ti.com>
[afzal@ti.com: reg & interrupt property addition]
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add gpio based push buttons device tree data to am335x-evmsk device
by adding all the necessary parameters like key-code, gpios and etc.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add pinmux configurations for gpio based keys to am335x-evmsk. In
this patch, only single named mode/state is added and these pins
are configured during pinctrl driver initialization.
Default mode is nothing but the values required for the module during
active state. With this configurations module is functional as
expected.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add gpio-leds device tree data to am335x-evmsk device to enable gpio
based user-leds (USR0, USR1, USR2 and USR3) present on am335x starter
kit.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add pinmux configurations for gpio based volume keys to am335x-evmsk.
In this patch, only single named mode/state is added and these pins
are configured during pinctrl driver initialization.
Default mode is nothing but the values required for the module during
active state. With this configurations module is functional as
expected.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add gpio-leds device tree data to am335x-bone device to enable gpio
based user-leds (USR0, USR1, USR2 and USR3) present on BeagleBone.
[koen@dominion.thruhere.net: led0, led1 suggested by koen]
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add pinmux configurations for gpio based user-keys to am335x-bone.
In this patch, only single named mode/state is added and these pins
are configured during pinctrl driver initialization.
Default mode is nothing but the values required for the module during
active state. With this configurations module is functional as
expected.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add gpio based volume keys device tree data to am335x-evm by adding
all the required parameters like keycode, gpios and etc.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add pinmux configurations for gpio volume keys. In this patch, only
single named mode/state is added and these pins are configured during
pinctrl driver initialization.
Default mode is nothing but the values required for the module during
active state. With this configurations module is functional as
expected.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add matrix keypad device tree data to am335x-evm by adding all
the necessary parameters like keymap, row & column gpios and etc.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add pinmux configurations for gpio matrix keypad. In this patch, only
single named mode/state is added and these pins are configured during
pinctrl driver initialization.
Default mode is nothing but the values required for the module during
active state. With this configurations module is functional as
expected.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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This patch fixes below build error when !CONFIG_OF_GPIO.
CC drivers/pinctrl/pinctrl-samsung.o
drivers/pinctrl/pinctrl-samsung.c: In function 'samsung_pinctrl_parse_dt_pins':
drivers/pinctrl/pinctrl-samsung.c:557:19: warning: unused variable 'prop' [-Wunused-variable]
drivers/pinctrl/pinctrl-samsung.c: In function 'samsung_gpiolib_register':
drivers/pinctrl/pinctrl-samsung.c:797:5: error: 'struct gpio_chip' has no member named 'of_node'
make[2]: *** [drivers/pinctrl/pinctrl-samsung.o] Error 1
make[1]: *** [drivers/pinctrl] Error 2
make: *** [drivers] Error 2
The samsung pinctrl driver supports only device tree enabled
platforms. Thus make PINCTRL_SAMSUNG depend on OF && GPIOLIB.
The reason to depend on GPIOLIB is CONFIG_OF_GPIO only available
when GPIOLIB is selected.
Since PINCTRL_EXYNOS4 select PINCTRL_SAMSUNG, thus also make
PINCTRL_EXYNOS4 depend on OF && GPIOLIB.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The script still spits out an error ("Can't read private key") but we
don't break modules_install.
Reported-by: Bruno Wolff III <bruno@wolff.to>
Original-patch-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Commit 2dcfaf85 mistakenly dropped the "flags & PCI_EXP_FLAGS_SLOT" test,
so now we create hotplug slots even for PCIe port devices that don't
support hotplug. This patch fixes this problem.
[bhelgaas: changelog]
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Reviewed-by: Jiang Liu <jiang.liu@huawei.com>
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* pci/huang-d3cold-fixes:
PCI/PM: Fix proc config reg access for D3cold and bridge suspending
PCI/PM: Resume device before shutdown
PCI/PM: Fix deadlock when unbinding device if parent in D3cold
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These got broken by recent patches fixing checkpatch warnings in these
drivers. The trick is that the patches themselves looked good, but the
source files after applying them do not. That's why I am not a big fan
of using tabs inside comments.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
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