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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc into next
Merge series from Nathan Fontenot to do memory hotplug in the kernel.
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Old versions of binutils (before 2.23) do not yet understand the
crypto-neon-fp-armv8 fpu instructions, and an attempt to build these
files results in a build failure:
arch/arm/crypto/aes-ce-core.S:133: Error: selected processor does not support ARM mode `vld1.8 {q10-q11},[ip]!'
arch/arm/crypto/aes-ce-core.S:133: Error: bad instruction `aese.8 q0,q8'
arch/arm/crypto/aes-ce-core.S:133: Error: bad instruction `aesmc.8 q0,q0'
arch/arm/crypto/aes-ce-core.S:133: Error: bad instruction `aese.8 q0,q9'
arch/arm/crypto/aes-ce-core.S:133: Error: bad instruction `aesmc.8 q0,q0'
Since the affected versions are still in widespread use, and this breaks
'allmodconfig' builds, we should try to at least get a successful kernel
build. Unfortunately, I could not come up with a way to make the Kconfig
symbol depend on the binutils version, which would be the nicest solution.
Instead, this patch uses the 'as-instr' Kbuild macro to find out whether
the support is present in the assembler, and otherwise emits a non-fatal
warning indicating which selected modules could not be built.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: http://storage.kernelci.org/next/next-20150410/arm-allmodconfig/build.log
Fixes: 864cbeed4ab22d ("crypto: arm - add support for SHA1 using ARMv8 Crypto Instructions")
[ard.biesheuvel:
- omit modules entirely instead of building empty ones if binutils is too old
- update commit log accordingly]
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The sha256 assembly implementation can deal with all architecture levels
from ARMv4 to ARMv7-A, but not with ARMv7-M. Enabling it in an
ARMv7-M kernel results in this build failure:
arm-linux-gnueabi-ld: error: arch/arm/crypto/sha256_glue.o: Conflicting architecture profiles M/A
arm-linux-gnueabi-ld: failed to merge target specific data of file arch/arm/crypto/sha256_glue.o
This adds a Kconfig dependency to prevent the code from being disabled
for ARMv7-M.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit adacb228d72b ("drm: Exynos: Respect framebuffer pitch for
FIMD/Mixer") fixed the buffer size calculation by using the FB
pitch value but later commit 26b9c2813ede1 ("drm/exynos: remove
struct *_win_data abstraction on planes") added a regression so
fix the buffer size calculation again.
Tested on Chromebook Snow / Peach Pit.
Fixes: 26b9c2813ede1 ("drm/exynos: remove struct *_win_data abstraction on planes")
Signed-off-by: Daniel Stone <daniels@collabora.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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After adding display power domain for Exynos5250 in commit
2d2c9a8d0a4f ("ARM: dts: add display power domain for exynos5250") the
display on Chromebook Snow and others stopped working after boot.
The reason for this suggested Andrzej Hajda: the DP clock was disabled.
This clock is required by Display Port and is enabled by bootloader.
However when FIMD driver probing was deferred, the display power domain
was turned off. This effectively reset the value of DP clock enable
register.
When exynos-dp is later probed, the clock is not enabled and display is
not properly configured:
exynos-dp 145b0000.dp-controller: Timeout of video streamclk ok
exynos-dp 145b0000.dp-controller: unable to config video
Fixes: 2d2c9a8d0a4f ("ARM: dts: add display power domain for exynos5250")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reported-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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>From the commit "drm/exynos: fix the execution order in FIMD
initialization" (598285bfdce46d7c47632a2ba4b980f60be4a677), the error
checking code is removed improperly. This patch fix the regression.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Because the helper function which calls this callback checks whether
it is registered or not. It is not necessary if it does nothing.
So it would be better to remove the function for clarity.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Calculation ratio from exynos_drm plane codes, then each hw drivers can
use it without extra operation. Also this fixes width and height of
source used for actual crtc shown via screen.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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It's more reasonable to use src_x and src_y to represent source as
counterpart of destination(crtc). Already we are using src_width and
src_height for width and height of source.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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While the VP (video processor) supports arbitrary scaling
of its input, the mixer just supports a simple 2x (line
doubling) scaling. Expose this functionality and exit
early when an unsupported scaling configuration is
encountered.
This was tested with modetest's DRM plane test (from
the libdrm test suite) on an Odroid-X2 (Exynos4412).
v2: Put if- and return-statement on different lines.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The messages are redundant since 'check_fb_gem_memory_type'
already prints out exactly the same string when it fails.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Use the correct spelling for 'progressive'.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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As for now there is no validation of incoming buffer
enqueue request as far as the gem buffers are being
concerned. This might lead to some undesired cases
when the driver tries to operate on invalid buffers
(wiht no valid gem object handle i.e.).
Add some basic checks to rule out those potential issues.
Signed-off-by: Beata Michalska <b.michalska@samsung.com>
[mszyprow: rebased onto v4.0-rc1 and adapted to recent ipp changes]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The goal of the change is to make sure we send the vblank event on the
current vblank. My hope is to fix any races that might be causing flicker.
After this change I only see a flicker in the transition plymouth and
X11.
Simplified the code by tracking vblank events on a per-crtc basis. This
allowed me to remove all error paths from the callback. It also allowed
me to remove the vblank wait from the callback.
Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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These functions were already removed by previous cleanup work, but these
ones were left behind.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The .destroy() callback for exynos can be replaced by drm_plane_cleanup().
The only extra operation on exynos_plane_destroy() was a call to
exynos_plane_disable() but the plane is already disabled by a earlier call
to drm_framebuffer_remove().
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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We already set each plane zpos at init, after that changes to zpos are
not expected. This patch turns zpos into a read-only property so now it is
impossible to set zpos.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Usually userspace don't want to have two overlay planes on the same zpos
so this change assign a different zpos for each plane. Before this change
a zpos of value zero was created for all planes so the userspace had to
set up the zpos of every plane it wanted to use.
Also all places that were storing zpos positions are now unsigned int.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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struct {fimd,mixer,vidi}_win_data was just keeping the same data
as struct exynos_drm_plane thus get ride of it and use exynos_drm_plane
directly.
It changes how planes are created and remove .win_mode_set() callback
that was only filling all *_win_data structs.
v2: check for return of exynos_plane_init()
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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None of the exynos crtc drivers implements win_enable() so remove it for
better clarity of the code.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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XR24 planes were not shown properly, so now set the right registers
to correctly enable displaying these planes.
It also moves the alpha register settings to fimd_win_set_pixfmt()
to keep all pixel format stuff together.
v2: remove leftover var alpha
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild into next
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-04-11
This series contains updates to iflink, ixgbe and ixgbevf.
The entire set of changes come from Vlad Zolotarov to ultimately add
the ethtool ops to VF driver to allow querying the RSS indirection table
and RSS random key.
Currently we support only 82599 and x540 devices. On those devices, VFs
share the RSS redirection table and hash key with a PF. Letting the VF
query this information may introduce some security risks, therefore this
feature will be disabled by default.
The new netdev op allows a system administrator to change the default
behaviour with "ip link set" command. The relevant iproute2 patch has
already been sent and awaits for this series upstream.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cong Wang says:
====================
fou: some fixes and updates
Patch 1~3 fix some minor bugs in net/ipv4/fou.c, the only
thing I am not sure is if it's too late to change the
byte order of FOU_ATTR_PORT, if so we have to fix iproute2
instead of kernel.
Patch 4~5 add some new features to make it complete.
v2: make fou->port be16 too
====================
Acked-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cc: Tom Herbert <tom@herbertland.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Also convert the spinlock to a mutex.
Cc: Tom Herbert <tom@herbertland.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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udp_config.local_udp_port is be16. And iproute2 passes
network order for FOU_ATTR_PORT.
This doesn't fix any bug, just for consistency.
Cc: Tom Herbert <tom@herbertland.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Not a big deal, just for corretness.
Cc: Tom Herbert <tom@herbertland.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes the following harmless warning:
./ip/ip fou del port 7777
[ 122.907516] udp_del_offload: didn't find offload for port 7777
Cc: Tom Herbert <tom@herbertland.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Nicolas Dichtel says:
====================
selinux: add missing xfrm nl cmd
With this series, xfrm commands are fully synchronized.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This command is missing.
Fixes: 3a2dfbe8acb1 ("xfrm: Notify changes in UDP encapsulation via netlink")
CC: Martin Willi <martin@strongswan.org>
Reported-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This command is missing.
Fixes: 5c79de6e79cd ("[XFRM]: User interface for handling XFRM_MSG_MIGRATE")
Reported-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This command is missing.
Fixes: 97a64b4577ae ("[XFRM]: Introduce XFRM_MSG_REPORT.")
Reported-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With recent adoption of skc_cookie in struct sock_common,
struct tcp_timewait_sock size increased from 192 to 200 bytes
on 64bit arches. SLAB rounds then to 256 bytes.
It is time to drop SLAB_HWCACHE_ALIGN constraint for twsk_slab.
This saves about 12 MB of memory on typical configuration reaching
262144 timewait sockets, and has no noticeable impact on performance.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
There isn't much left, but we have
* new mac80211 internal software queue to allow drivers to have
shorter hardware queues and pull on-demand
* use rhashtable for mac80211 station table
* minstrel rate control debug improvements and some refactoring
* fix noisy message about TX power reduction
* fix continuous message printing and activity if CRDA doesn't respond
* fix VHT-related capabilities with "iw connect" or "iwconfig ..."
* fix Kconfig for cfg80211 wireless extensions compatibility
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The statistics are grouped by TX and RX errors.
The SQE Test Errors Register indicates problems with TX.
Signed-off-by: Wolfgang Steinwender <wsteinwender@pcs.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pwm_config() must be called with a duty cycle of 0 prior to calling
pwm_disable() to ensure that the pwm signal is set to low.
Reported-by: Markus Reichl <m.reichl@fivetechno.de>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Non interleaved V2 dualpoint touchpad / stick combos have separate stick
button bits in the touchpad packets, if we do not check these then the
trackpoint buttons will not work when using the touchpad, and when pressed
when the user starts using the touchpad will report a release event even
though the button is still pressed.
This commit fixes this by checking the separate bits, note that we simply
combine the buttons, since the hardware does the same when using the touchpad
buttons with the trackpoint, so we do not have enough information to properly
separate them.
Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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When the left touchpad button gets pressed, and then the trackpoint is
moved, and then the button is released, the following happens:
1) touchpad packet is received, touchpad evdev node reports BTN_LEFT 1
2) pointing stick packet is received, the hw will report a BTN_LEFT 1 in
this packet because when the trackstick is active it communicates the
combined touchpad + pointing stick buttons in the trackstick packet,
since alps_report_bare_ps2_packet passes NULL (*) for the dev2 parameter
to alps_report_buttons the combining is not detected and the
pointing stick evdev node will also report BTN_LEFT 1
3) on release of the button a pointing stick packet with BTN_LEFT 0 is
received and the pointing stick evdev node will report BTN_LEFT 0
Note how because of the passing as NULL for dev2 the touchpad evdev node
will never send BTN_LEFT 0 in this scenario leading to a stuck mouse button.
This is a regression in 4.0 introduced by commit 04aae283ba6a8
("Input: ALPS - do not mix trackstick and external PS/2 mouse data")
This commit fixes this by passing in the touchpad evdev as dev2 parameter
when calling alps_report_buttons for the pointingstick on alps v2 devices,
so that alps_report_buttons correctly detect that we're already reporting
the button as pressed via the touchpad evdev node, and will also send the
release event there.
Cc: stable@vger.kernel.org # 4.0
Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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* pm-sleep:
PM / watchdog: iTCO: stop watchdog during system suspend
PM / sleep: add pm-trace support for suspending phase
PM / sleep: add configurable delay for pm_test
* pm-domains:
PM / domains: avoid potential oops in pm_genpd_remove_device()
PM / domains: factor out code to get the generic PM domain from a struct device
PM / domains: quieten down generic pm domains
PM / Domains: Sync runtime PM status with genpd after probe
driver core / PM: Add PM domain callbacks for device setup/cleanup
MAINTAINERS: add entry for Generic PM domains (genpd)
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* pm-cpufreq:
intel_pstate: Knights Landing support
intel_pstate: remove MSR test
cpufreq: fix qoriq uniprocessor build
cpufreq: hisilicon: add acpu driver
cpufreq: powernv: Report cpu frequency throttling
cpufreq: qoriq: rename the driver
cpufreq: qoriq: Make the driver usable on all QorIQ platforms
* pm-cpuidle:
intel_idle: mark cpu id array as __initconst
intel_idle: Add support for the Airmont Core in the Cherrytrail and Braswell SOCs
intel_idle: Update support for Silvermont Core in Baytrail SOC
ARM: cpuidle: Document the code
ARM: cpuidle: Register per cpuidle device
ARM: cpuidle: Enable the ARM64 driver for both ARM32/ARM64
ARM64: cpuidle: Remove arm64 reference
ARM64: cpuidle: Rename cpu_init_idle to a common function name
ARM64: cpuidle: Replace cpu_suspend by the common ARM/ARM64 function
ARM: cpuidle: Add a cpuidle ops structure to be used for DT
ARM: cpuidle: Remove duplicate header inclusion
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* pnp:
PNP: Avoid leaving unregistered device objects in lists
PNP: Convert pnp_lock into a mutex
PNP: tty/serial/8250/8250_fintek: Use module_pnp_driver to register driver
PNP: platform/x86/apple-gmux: Use module_pnp_driver to register driver
PNP: net/sb1000: Use module_pnp_driver to register driver
PNP: media/rc: Use module_pnp_driver to register driver
PNP: ide/ide-pnp: Use module_pnp_driver to register driver
PNP: ata/pata_isapnp: Use module_pnp_driver to register driver
PNP: tpm/tpm_infineon: Use module_pnp_driver to register driver
PNP: Add helper macro for pnp_register_driver boilerplate
PNP / ACPI: Use ACPI_COMPANION_SET() during initialization
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* device-properties:
device property: Introduce firmware node type for platform data
device property: Make it possible to use secondary firmware nodes
driver core: Implement device property accessors through fwnode ones
driver core: property: Update fwnode_property_read_string_array()
driver core: Add comments about returning array counts
ACPI: Introduce has_acpi_companion()
driver core / ACPI: Represent ACPI companions using fwnode_handle
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* acpi-blacklist:
ACPI / blacklist: Disable Vista compatibility for Sony VGN-SR19XN.
* acpi-video:
ACPI / video: Add force native backlight quirk for Lenovo Ideapad Z570
ACPI / video: Allow forcing native backlight on non win8 machines
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* acpi-ec:
ACPI / EC: Call acpi_walk_dep_device_list() after installing EC opregion handler
ACPI / EC: Add GPE reference counting debugging messages.
ACPI / EC: Cleanup logging/debugging splitter support.
* acpi-battery:
ACPI / battery: make warning greppable
* acpi-pmic:
ACPI/PMIC: Fix typo in MODULE_DESCRIPTION in intel_pmic_crc.c
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* acpi-scan:
ACPI / scan: Rework modalias creation when "compatible" is present
ACPI / scan: Take the PRP0001 position in the list of IDs into account
ACPI / scan: Simplify acpi_match_device()
ACPI / scan: Generalize of_compatible matching
ACPI / scan: fix fixed event handler return value
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* acpi-pm:
ACPI / PM: Enable all wakeup GPEs in suspend-to-idle
ACPI / sleep: Drop acpi_suspend() which is not used
* acpi-enumeration:
ACPI: Add acpi_device_uid() for convenience
ACPI: Update GPIO documentation to mention _DSD
* acpi-sysfs:
ACPI / sysfs: Treat the count field of counter_show() as unsigned
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Currently, the ACPI modalias creation covers two mutually exclusive
cases: If the PRP0001 device ID is present in the device's list of
ACPI/PNP IDs and the "compatible" property is present in _DSD, the
created modalias will follow the OF rules of modalias creation.
Otherwise, ACPI rules are used.
However, that is not really desirable, because the presence of PRP0001
in the list of device IDs generally does not preclude using other
ACPI/PNP IDs with that device and those other IDs may be of higher
priority. In those cases, the other IDs should take preference over
PRP0001 and therefore they also should be present in the modalias.
For this reason, rework the modalias creation for ACPI so that it
shows both the ACPI-style and OF-style modalias strings if the
device has a non-empty list of ACPI/PNP IDs (other than PRP0001)
and a valid "compatible" property at the same time.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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ksp must be 8-byte aligned.
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Richard Weinberger <richard@nod.at>
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