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Remove messy dependencies from SERIO_I8042 by having it depend on one
Kconfig symbol (ARCH_MIGHT_HAVE_PC_SERIO) and having architectures
which need it select ARCH_MIGHT_HAVE_PC_SERIO in arch/*/Kconfig.
New architectures are unlikely to need SERIO_I8042, so this avoids
having an ever growing list of architectures to exclude.
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Driver core clears the driver data to NULL after device_release
or on probe failure, so just remove it from here.
Driver core change:
"device-core: Ensure drvdata = NULL when no driver is bound"
(sha1: 0998d0631001288a5974afc0b2a5f568bcdecb4d)
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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We want the fixes in here as well.
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Synchronize with mainline to bring in the new keycode definitions and
new hwmon API.
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Restore previous layout of sysfs attributes that was broken by commit
3778a2129bcce84f684cc0017ed20d2524afd289 (input: serio: remove bus usage of
dev_attrs) which moved all serio device attributes into 'id' group, when
only 'type', 'proto', 'id', and 'extra' should be in 'id' group and the
rest of attributes should be attached directly to the device.
Reported-by: Thomas Hellstrom <thellstrom@vmware.com>
Tested-by: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Most line disciplines already handle the undocumented NULL flag
ptr in their .receive_buf method; however, several don't.
Document the NULL flag ptr, and correct handling in the
N_MOUSE, N_GSM0710 and N_R394 line disciplines.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
"Usual earth-shaking, news-breaking, rocket science pile from
trivial.git"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits)
doc: usb: Fix typo in Documentation/usb/gadget_configs.txt
doc: add missing files to timers/00-INDEX
timekeeping: Fix some trivial typos in comments
mm: Fix some trivial typos in comments
irq: Fix some trivial typos in comments
NUMA: fix typos in Kconfig help text
mm: update 00-INDEX
doc: Documentation/DMA-attributes.txt fix typo
DRM: comment: `halve' -> `half'
Docs: Kconfig: `devlopers' -> `developers'
doc: typo on word accounting in kprobes.c in mutliple architectures
treewide: fix "usefull" typo
treewide: fix "distingush" typo
mm/Kconfig: Grammar s/an/a/
kexec: Typo s/the/then/
Documentation/kvm: Update cpuid documentation for steal time and pv eoi
treewide: Fix common typo in "identify"
__page_to_pfn: Fix typo in comment
Correct some typos for word frequency
clk: fixed-factor: Fix a trivial typo
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"Updates for the input subsystem. You will get an new drivers for
Hyper-V synthetic keyboard and for Neonode zForce touchscreens, plus a
bunch of driver fixes and cleanups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (49 commits)
Revert "Input: ALPS - add support for model found on Dell XT2"
arm: dts: am335x sk: add touchscreen support
Input: ti_am335x_tsc - fix spelling mistake in TSC/ADC DT binding
Input: cyttsp4 - replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
Input: mma8450 - add missing i2c_set_clientdata() in mma8450_probe()
Input: mpu3050 - add missing i2c_set_clientdata() in mpu3050_probe()
Input: tnetv107x-keypad - make irqs signed for error handling
Input: add driver for Neonode zForce based touchscreens
Input: sh_keysc - enable the driver on all ARM platforms
Input: remove a redundant max() call
Input: mousedev - allow disabling even without CONFIG_EXPERT
Input: allow deselecting serio drivers even without CONFIG_EXPERT
Input: i8042 - add PNP modaliases
Input: evdev - fall back to vmalloc for client event buffer
Input: cypress_ps2 - do not consider data bad if palm is detected
Input: cypress_ps2 - remove useless cast
Input: fix PWM-related undefined reference errors
Input: ALPS - change secondary device's name
Input: wacom - not all multi-interface devices support touch
Input: nspire-keypad - add missing clk_disable_unprepare() on error path
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Merge first round of changes for 3.13 merge window.
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DeviceTree updates for 3.13. This is a bit larger pull request than
usual for this cycle with lots of clean-up.
- Cross arch clean-up and consolidation of early DT scanning code.
- Clean-up and removal of arch prom.h headers. Makes arch specific
prom.h optional on all but Sparc.
- Addition of interrupts-extended property for devices connected to
multiple interrupt controllers.
- Refactoring of DT interrupt parsing code in preparation for
deferred probe of interrupts.
- ARM cpu and cpu topology bindings documentation.
- Various DT vendor binding documentation updates"
* tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (82 commits)
powerpc: add missing explicit OF includes for ppc
dt/irq: add empty of_irq_count for !OF_IRQ
dt: disable self-tests for !OF_IRQ
of: irq: Fix interrupt-map entry matching
MIPS: Netlogic: replace early_init_devtree() call
of: Add Panasonic Corporation vendor prefix
of: Add Chunghwa Picture Tubes Ltd. vendor prefix
of: Add AU Optronics Corporation vendor prefix
of/irq: Fix potential buffer overflow
of/irq: Fix bug in interrupt parsing refactor.
of: set dma_mask to point to coherent_dma_mask
of: add vendor prefix for PHYTEC Messtechnik GmbH
DT: sort vendor-prefixes.txt
of: Add vendor prefix for Cadence
of: Add empty for_each_available_child_of_node() macro definition
arm/versatile: Fix versatile irq specifications.
of/irq: create interrupts-extended property
microblaze/pci: Drop PowerPC-ism from irq parsing
of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.
of/irq: Use irq_of_parse_and_map()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"This branch contains code cleanups, moves and removals for 3.13.
Qualcomm msm targets had a bunch of code removal for legacy non-DT
platforms. Nomadik saw more device tree conversions and cleanup of
old code. Tegra has some code refactoring, etc.
One longish patch series from Sebastian Hasselbarth changes the
init_time hooks and tries to use a generic implementation for most
platforms, since they were all doing more or less the same things.
Finally the "shark" platform is removed in this release. It's been
abandoned for a while and nobody seems to care enough to keep it
around. If someone comes along and wants to resurrect it, the removal
can easily be reverted and code brought back.
Beyond this, mostly a bunch of removals of stale content across the
board, etc"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (79 commits)
ARM: gemini: convert to GENERIC_CLOCKEVENTS
ARM: EXYNOS: remove CONFIG_MACH_EXYNOS[4, 5]_DT config options
ARM: OMAP3: control: add API for setting IVA bootmode
ARM: OMAP3: CM/control: move CM scratchpad save to CM driver
ARM: OMAP3: McBSP: do not access CM register directly
ARM: OMAP3: clock: add API to enable/disable autoidle for a single clock
ARM: OMAP2: CM/PM: remove direct register accesses outside CM code
MAINTAINERS: Add patterns for DTS files for AT91
ARM: at91: remove init_machine() as default is suitable
ARM: at91/dt: split sama5d3 peripheral definitions
ARM: at91/dt: split sam9x5 peripheral definitions
ARM: Remove temporary sched_clock.h header
ARM: clps711x: Use linux/sched_clock.h
MAINTAINERS: Add DTS files to patterns for Samsung platform
ARM: EXYNOS: remove unnecessary header inclusions from exynos4/5 dt machine file
ARM: tegra: fix ARCH_TEGRA_114_SOC select sort order
clk: nomadik: fix missing __init on nomadik_src_init
ARM: drop explicit selection of HAVE_CLK and CLKDEV_LOOKUP
ARM: S3C64XX: Kill CONFIG_PLAT_S3C64XX
ASoC: samsung: Use CONFIG_ARCH_S3C64XX to check for S3C64XX support
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core / sysfs patches from Greg KH:
"Here's the big driver core / sysfs update for 3.13-rc1.
There's lots of dev_groups updates for different subsystems, as they
all get slowly migrated over to the safe versions of the attribute
groups (removing userspace races with the creation of the sysfs
files.) Also in here are some kobject updates, devres expansions, and
the first round of Tejun's sysfs reworking to enable it to be used by
other subsystems as a backend for an in-kernel filesystem.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (83 commits)
sysfs: rename sysfs_assoc_lock and explain what it's about
sysfs: use generic_file_llseek() for sysfs_file_operations
sysfs: return correct error code on unimplemented mmap()
mdio_bus: convert bus code to use dev_groups
device: Make dev_WARN/dev_WARN_ONCE print device as well as driver name
sysfs: separate out dup filename warning into a separate function
sysfs: move sysfs_hash_and_remove() to fs/sysfs/dir.c
sysfs: remove unused sysfs_get_dentry() prototype
sysfs: honor bin_attr.attr.ignore_lockdep
sysfs: merge sysfs_elem_bin_attr into sysfs_elem_attr
devres: restore zeroing behavior of devres_alloc()
sysfs: fix sysfs_write_file for bin file
input: gameport: convert bus code to use dev_groups
input: serio: remove bus usage of dev_attrs
input: serio: use DEVICE_ATTR_RO()
i2o: convert bus code to use dev_groups
memstick: convert bus code to use dev_groups
tifm: convert bus code to use dev_groups
virtio: convert bus code to use dev_groups
ipack: convert bus code to use dev_groups
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"A bit later than I would want, but the changes are very minor - a few
new device IDs for new hardware in existing drivers, fix for battery
in Wacom devices not be considered system battery and cause emergency
hibernations, and a couple of other bug fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ALPS - add support for model found on Dell XT2
Input: wacom - add support for ISDv4 0x10E sensor
Input: wacom - add support for ISDv4 0x10F sensor
Input: wacom - export battery scope
Input: cm109 - convert high volume dev_err() to dev_err_ratelimited()
Input: move name/timer init to input_alloc_dev()
Input: i8042 - i8042_flush fix for a full 8042 buffer
Input: pxa27x_keypad - fix NULL pointer dereference
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There is plenty of consumer hardware (e.g., mac books) that does not use AT
keyboards or PS/2 mice. It therefore makes sense for distro kernels to
build the related drivers as modules to avoid loading them on hardware that
does not need them. As such, these options should no longer be protected by
EXPERT.
Moreover, building these drivers as modules gets rid of the following ugly
error during boot:
[ 2.337745] i8042: PNP: No PS/2 controller found. Probing ports directly.
[ 3.439537] i8042: No controller found
Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This allows the module to be autoloaded in the common case.
In order to work on non-PnP systems the module should be compiled in or
loaded unconditionally at boot (c.f. modules-load.d(5)), as before.
Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Replace some instances of of_irq_map_one()/irq_create_of_mapping() and
of_irq_to_resource() by the simpler equivalent irq_of_parse_and_map().
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
[grant.likely: resolved conflicts with core code renames]
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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The dev_attrs field of struct bus_type is going away soon, so move the
remaining sysfs files that are being described with this field to use
dev_groups instead.
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: <linux-input@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the serio sysfs fiels to use the DEVICE_ATTR_RO() macros to make
it easier to audit the correct sysfs file permission usage.
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: <linux-input@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Powerpc is a mess of implicit includes by prom.h. Add the necessary
explicit includes to drivers in preparation of prom.h cleanup.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
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Merge with mainline to bring in changes to input subsystem that were
committed through other trees.
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Delete the configuration option for the Shark machine from
the i8042 Kconfig, as the machine is deleted from the kernel.
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add a new driver to support synthetic keyboard. On the next generation
Hyper-V guest firmware, many legacy devices will not be emulated and this
driver will be required.
I would like to thank Vojtech Pavlik <vojtech@suse.cz> for helping me with the
details of the AT keyboard driver. I would also like to thank
Dan Carpenter <dan.carpenter@oracle.com> and
Dmitry Torokhov <dmitry.torokhov@gmail.com> for their detailed review of this
driver.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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When 8042 internal data buffer is full, the driver
erroneously decides that the controller is not present.
i8042_flush returns the number of flushed bytes, which is
in 0 - I8042_BUFFER_SIZE range inclusive. Therefore, i8042_flush
has no way to indicate an error. Moreover i8042_controller_check
takes initially full buffer (i8042_flush returned
I8042_BUFFER_SIZE) as a sign of absence of the controller.
Let's change i8042 to return success/error instead and make sure
we do not return error prematurely.
Signed-off-by: Andrey Moiseev <o2g.org.ru@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge with mainline to bring in sync changes to cyttsp4 driver.
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After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"A new driver for slidebar on Ideapad laptops and a bunch of assorted
driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (32 commits)
Input: add SYN_MAX and SYN_CNT constants
Input: max11801_ts - convert to devm
Input: egalax-ts - fix typo and improve text
Input: MAINTAINERS - change maintainer for cyttsp driver
Input: cyttsp4 - kill 'defined but not used' compiler warnings
Input: add driver for slidebar on Lenovo IdeaPad laptops
Input: omap-keypad - set up irq type from DT
Input: omap-keypad - enable wakeup capability for keypad.
Input: omap-keypad - clear interrupts on open
Input: omap-keypad - convert to threaded IRQ
Input: omap-keypad - use bitfiled instead of hardcoded values
Input: cyttsp4 - remove useless NULL test from cyttsp4_watchdog_timer()
Input: wacom - fix error return code in wacom_probe()
Input: as5011 - fix error return code in as5011_probe()
Input: keyboard, serio - simplify use of devm_ioremap_resource
Input: tegra-kbc - simplify use of devm_ioremap_resource
Input: htcpen - fix incorrect placement of __initdata
Input: qt1070 - add power management ops
Input: wistron_btns - add MODULE_DEVICE_TABLE
Input: wistron_btns - mark the Medion MD96500 keymap as tested
...
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Merge first round of changes for 3.12 merge window.
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Olof Johansson:
"Device tree and bindings updates for 3.12.
General additions of various on-chip and on-board peripherals on
various platforms as support gets added. Some of the bigger changes
are:
- Addition of (new) PCI-e support on Tegra.
- More Tegra4 support, including PMC configuration for Dalmore.
- Addition of a new board for Exynos4 (trats2) and more bindings for
4x12 IP.
- Addition of Allwinner A20 and A31 SoC and board files.
- Move of the ST Ericsson device tree files to now use ste-* prefix.
- More move of hardware description of shmobile platforms to DT.
- Two new board dts files for Freescale MXs"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (177 commits)
dts: Rename DW APB timer compatible strings
dts: Deprecate ALTR as a vendor prefix
of: add vendor prefix for Altera Corp.
ARM: at91/dt: sam9x5ek: add sound configuration
ARM: at91/dt: sam9x5ek: enable SSC
ARM: at91/dt: sam9x5ek: add WM8731 codec
ARM: at91/dt: sam9x5: add SSC DMA parameters
ARM: at91/dt: add at91rm9200 PQFP package version
ARM: at91: at91rm9200: set default mmc0 pinctrl-names
ARM: at91: at91sam9n12: correct pin number of gpio-key
ARM: at91: at91sam9n12: add qt1070 support
ARM: at91: at91sam9n12: add pinctrl of TWI
ARM: at91: Add PMU support for sama5d3
ARM: at91: at91sam9260: add missing pinctrl-names on mmc
ARM: tegra: configure power off for Dalmore
ARM: DT: binding fixup to align with vendor-prefixes.txt (DT)
ARM: dts: add sdio blocks to bcm28155-ap board
ARM: dts: align sdio numbers to HW definition
ARM: sun7i: Add Olimex A20-Olinuxino-Micro support
ARM: sun7i: Add Allwinner A20 DTSI
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg KH:
"Here's the big driver core pull request for 3.12-rc1.
Lots of tiny changes here fixing up the way sysfs attributes are
created, to try to make drivers simpler, and fix a whole class race
conditions with creations of device attributes after the device was
announced to userspace.
All the various pieces are acked by the different subsystem
maintainers"
* tag 'driver-core-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (119 commits)
firmware loader: fix pending_fw_head list corruption
drivers/base/memory.c: introduce help macro to_memory_block
dynamic debug: line queries failing due to uninitialized local variable
sysfs: sysfs_create_groups returns a value.
debugfs: provide debugfs_create_x64() when disabled
rbd: convert bus code to use bus_groups
firmware: dcdbas: use binary attribute groups
sysfs: add sysfs_create/remove_groups for when SYSFS is not enabled
driver core: add #include <linux/sysfs.h> to core files.
HID: convert bus code to use dev_groups
Input: serio: convert bus code to use drv_groups
Input: gameport: convert bus code to use drv_groups
driver core: firmware: use __ATTR_RW()
driver core: core: use DEVICE_ATTR_RO
driver core: bus: use DRIVER_ATTR_WO()
driver core: create write-only attribute macros for devices and drivers
sysfs: create __ATTR_WO()
driver-core: platform: convert bus code to use dev_groups
workqueue: convert bus code to use dev_groups
MEI: convert bus code to use dev_groups
...
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Because most of the vendor prefixes are lower case, deprecate
the vendor prefix "ALTR" in place of "altr" for Altera Corp..
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
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It causes crashes when enabled, and we don't have such a peripheral
anyway on ARC platforms.
Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This driver adds support for slidebars found on some Lenovo IdeaPad
laptops (the slidebars work with SlideNav/Desktop Navigator under
Windows).
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=16004
Registers 'IdeaPad Slidebar' input device and
/sys/devices/platform/ideapad_slidebar/slidebar_mode
for switching slidebar's modes.
Now works on:
IdeaPad Y550, Y550P.
May work on (testing and adding new models is needed):
Ideapad Y560, Y460, Y450, Y650,
and, probably, some others.
Signed-off-by: Andrey Moiseev <o2g.org.ru@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The drv_attrs field of struct bus_type is going away soon, drv_groups
should be used instead. This converts the serio bus code to use the
correct field.
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove unneeded error handling on the result of a call to
platform_get_resource when the value is passed to devm_ioremap_resource.
Move the call to platform_get_resource adjacent to the call to
devm_ioremap_resource to make the connection between them more clear.
A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression pdev,res,n,e,e1;
expression ret != 0;
identifier l;
@@
- res = platform_get_resource(pdev, IORESOURCE_MEM, n);
... when != res
- if (res == NULL) { ... \(goto l;\|return ret;\) }
... when != res
+ res = platform_get_resource(pdev, IORESOURCE_MEM, n);
e = devm_ioremap_resource(e1, res);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Prepare first set of updates for 3.11 merge window.
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The OLPC XO-1.75 and XO-4 laptops include a PS/2 touchpad and an AT
keyboard, yet they do not have a hardware PS/2 controller. Instead, a
firmware runs on a dedicated core ("Security Processor", part of the SoC)
that acts as a PS/2 controller through bit-banging.
Communication between the main cpu (Application Processor) and the
Security Processor happens via a standard command mechanism implemented
by the SoC. Add a driver for this interface to enable keyboard/mouse
input on this platform.
Original author: Saadia Baloch
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Several drivers don't build on s390 with CONFIG_PCI disabled as
they require MMIO functions.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@vger.kernel.org # 3.9
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.
devm_ioremap_resource() provides its own error messages; so all explicit
error messages can be removed from the failure code paths.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add match table for device tree binding and dts binding doc.
Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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module_platform_driver_probe() eliminates the boilerplate and simplifies
the code.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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module_platform_driver_probe() eliminates the boilerplate and simplifies
the code.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge with mainline to bring in module_platform_driver_probe() and
devm_ioremap_resource().
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APBPS2 is a PS/2 core part of GRLIB found in SPARC32/LEON
products.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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