Use the new acpi_video_handles_brightness_key_presses function to check
if we should report brightness key-presses.
This makes the code both easier to read and makes it properly report
key-presses when acpi-video is not reporting them for reasons other
then the backlight type being vendor.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Several drivers want to know if the acpi-video is generating key-presses
for brightness change hotkeys to avoid sending double key-events to
userspace for these. Currently these driver use this construct for this:
if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
report_brightness_key_event();
This indirect way of detecting if acpi-video is active does not make the
code easier to understand, and in some cases it is wrong because just
because the preferred type != vendor does not mean that acpi-video is
actually listening for brightness events, e.g. there may be no acpi-video
bus on the system at all.
This commit adds a acpi_video_handles_brightness_key_presses() helper
function, making the code needing this functionality both easier to read
and more correct.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The ACPI compiler uses the extended format when used interrupt numbers
are greater than 15. The extended IRQ syntax is 32 bits according to the
ACPI spec. The code supports parsing the extended interrupt numbers.
However, due to used data structure type; the code silently truncates
interrupt numbers greater than 256.
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Code currently supports 256 maximum interrupts at this moment. The patch is
reconfiguring the penalty array as a dynamic list to remove this
limitation.
A new penalty linklist has been added for all other interrupts greater than
16. If an IRQ is not found in the link list, an IRQ info structure will be
dynamically allocated on the first access and will be placed on the list
for further reuse. The list will grow by the number of supported interrupts
in the ACPI table rather than having a 256 hard limitation.
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Arrays can not have zero elements by definition of the unified device
properties. If such property comes from outside we should not allow it to pass.
Otherwise memory allocation on 0 length will return non-NULL value, which we
currently don't check.
Prevent memory allocations of 0 length.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This fixes NULL pointer dereference when the primary fwnode handle
does not exist, for example with PCI devices that do not have ACPI
companion.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Just a style fix, no functional changes.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
gcc-4.4.4 has problems with initialization of anonymous unions:
drivers/mfd/intel-lpss-acpi.c:30: error: unknown field 'value' specified in initializer
work around this by crafting the initializers in a manner which the
compiler can handle.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This patch removes refcount, and instead, adds zombie_list to shrink directly
without radix tree traverse.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
HiSilicon host bridge driver
Fix 32-bit config reads (Dongdong Liu)
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Merge tag 'pci-v4.4-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI bugfix from Bjorn Helgaas:
"Here's another fix for v4.4.
This fixes 32-bit config reads for the HiSilicon driver. Obviously
the driver is completely broken without this fix (apparently it
actually was tested internally, but got broken somehow in the process
of upstreaming it).
Summary:
HiSilicon host bridge driver
Fix 32-bit config reads (Dongdong Liu)"
* tag 'pci-v4.4-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: hisi: Fix hisi_pcie_cfg_read() 32-bit reads
When CONFIG_SMP is disabled, we get a warning from Kconfig:
warning: (SOC_IMX31 && SOC_IMX35 && SOC_VF610 && REALVIEW_DT) selects SMP_ON_UP which has unmet direct dependencies (SMP && !XIP_KERNEL && MMU)
This changes the REALVIEW_DT Kconfig entry to not select SMP_ON_UP
unless SMP is also set.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Pull sparc fixes from David Miller:
"Just some missing syscall wire ups"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: Wire up mlock2 system call.
sparc: Add all necessary direct socket system calls.
Building the newly added uniphier system bus driver as a module
causes a link error, so let's only allow it to be built-in for
now, to fix allmodconfig:
ERROR: "of_default_bus_match_table" [drivers/bus/uniphier-system-bus.ko] undefined!
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The firmware driver can be a loadable module, but the power domain
can only be built-in, so we get a build error in an allmodconfig
kernel:
:(.text+0x17e59c): undefined reference to `rpi_firmware_property'
:(.text+0x17e51c): undefined reference to `rpi_firmware_get'
:(.text+0x17e244): undefined reference to `rpi_firmware_property'
This changes the dependency to only allow the power domain code
to be enabled when the firmware driver is built-in. Other users
of the firmware driver may still be loadable modules and not
everyone needs the power domains, so we don't change the firmware
code.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Pull networking fixes from David Miller:
1) Prevent XFRM per-cpu counter updates for one namespace from being
applied to another namespace. Fix from DanS treetman.
2) Fix RCU de-reference in iwl_mvm_get_key_sta_id(), from Johannes
Berg.
3) Remove ethernet header assumption in nft_do_chain_netdev(), from
Pablo Neira Ayuso.
4) Fix cpsw PHY ident with multiple slaves and fixed-phy, from Pascal
Speck.
5) Fix use after free in sixpack_close and mkiss_close.
6) Fix VXLAN fw assertion on bnx2x, from Yuval Mintz.
7) natsemi doesn't check for DMA mapping errors, from Alexey
Khoroshilov.
8) Fix inverted test in ip6addrlbl_get(), from ANdrey Ryabinin.
9) Missing initialization of needed_headroom in geneve tunnel driver,
from Paolo Abeni.
10) Fix conntrack template leak in openvswitch, from Joe Stringer.
11) Mission initialization of wq->flags in sock_alloc_inode(), from
Nicolai Stange.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (35 commits)
sctp: sctp should release assoc when sctp_make_abort_user return NULL in sctp_close
net, socket, socket_wq: fix missing initialization of flags
drivers: net: cpsw: fix error return code
openvswitch: Fix template leak in error cases.
sctp: label accepted/peeled off sockets
sctp: use GFP_USER for user-controlled kmalloc
qlcnic: fix a loop exit condition better
net: cdc_ncm: avoid changing RX/TX buffers on MTU changes
geneve: initialize needed_headroom
ipv6: honor ifindex in case we receive ll addresses in router advertisements
addrconf: always initialize sysctl table data
ipv6/addrlabel: fix ip6addrlbl_get()
switchdev: bridge: Pass ageing time as clock_t instead of jiffies
sh_eth: fix 16-bit descriptor field access endianness too
veth: don’t modify ip_summed; doing so treats packets with bad checksums as good.
net: usb: cdc_ncm: Adding Dell DW5813 LTE AT&T Mobile Broadband Card
net: usb: cdc_ncm: Adding Dell DW5812 LTE Verizon Mobile Broadband Card
natsemi: add checks for dma mapping errors
rhashtable: Kill harmless RCU warning in rhashtable_walk_init
openvswitch: correct encoding of set tunnel action attributes
...
This patch merge all identical compat into on mtk_common_compat
and used for all compatible soc.
Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch adds a DT binding documentation for the MT2701 soc.
Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch fixes missing IPU condition when fdatasync is called.
With this patch, fdatasync is able to avoid additional node writes for recovery.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
If two processes share the same credentials and NFSv4 open stateid, then
allow them both to dirty the same page, even if their nfs_open_context
differs.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
If the layout segment is invalid, then we should not be adding more
write requests to the commit list. Instead, those writes should be
replayed after requesting a new layout.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
The GLIBC folks would like to eliminate socketcall support
eventually, and this makes sense regardless so wire them
all up.
Signed-off-by: David S. Miller <davem@davemloft.net>
There is no report on this bug_on case, but if malicious attacker changed this
field intentionally, we can just reset it as a MAX value.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Allow synchronous RPC calls to wait for pending RPC calls to finish,
but also allow asynchronous ones to just fire off another commit.
With this patch, the xfstests generic/074 test completes in 226s
instead of 242s
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
The flexfiles layout in particular, seems to want to poke around in the
O_DIRECT flags when retransmitting.
This patch sets up an interface to allow it to call back into O_DIRECT
to handle retransmission correctly. It also fixes a potential bug whereby
we could change the behaviour of O_DIRECT if an error is already pending.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
We weren't accounting for the insertion of an inline extent item for the
symlink inode nor that we need to update the parent inode item (through
the call to btrfs_add_nondir()). So fix this by including two more
transaction units.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
When we are creating a symlink we might fail with an error after we
created its inode and added the corresponding directory indexes to its
parent inode. In this case we end up never removing the directory indexes
because the inode eviction handler, called for our symlink inode on the
final iput(), only removes items associated with the symlink inode and
not with the parent inode.
Example:
$ mkfs.btrfs -f /dev/sdi
$ mount /dev/sdi /mnt
$ touch /mnt/foo
$ ln -s /mnt/foo /mnt/bar
ln: failed to create symbolic link ‘bar’: Cannot allocate memory
$ umount /mnt
$ btrfsck /dev/sdi
Checking filesystem on /dev/sdi
UUID: d5acb5ba-31bd-42da-b456-89dca2e716e1
checking extents
checking free space cache
checking fs roots
root 5 inode 258 errors 2001, no inode item, link count wrong
unresolved ref dir 256 index 3 namelen 3 name bar filetype 7 errors 4, no inode ref
found 131073 bytes used err is 1
total csum bytes: 0
total tree bytes: 131072
total fs tree bytes: 32768
total extent tree bytes: 16384
btree space waste bytes: 124305
file data blocks allocated: 262144
referenced 262144
btrfs-progs v4.2.3
So fix this by adding the directory index entries as the very last
step of symlink creation.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
When a symlink is successfully created it always has an inline extent
containing the source path. However if an error happens when creating
the symlink, we can leave in the subvolume's tree a symlink inode without
any such inline extent item - this happens if after btrfs_symlink() calls
btrfs_end_transaction() and before it calls the inode eviction handler
(through the final iput() call), the transaction gets committed and a
crash happens before the eviction handler gets called, or if a snapshot
of the subvolume is made before the eviction handler gets called. Sadly
we can't just avoid this by making btrfs_symlink() call
btrfs_end_transaction() after it calls the eviction handler, because the
later can commit the current transaction before it removes any items from
the subvolume tree (if it encounters ENOSPC errors while reserving space
for removing all the items).
So make send fail more gracefully, with an -EIO error, and print a
message to dmesg/syslog informing that there's an empty symlink inode,
so that the user can delete the empty symlink or do something else
about it.
Reported-by: Stephen R. van den Berg <srb@cuci.nl>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Johan Hedberg says:
====================
pull request: bluetooth-next 2015-12-31
Here's (probably) the last bluetooth-next pull request for the 4.5
kernel:
- Add support for BCM2E65 ACPI ID
- Minor fixes/cleanups in the bcm203x & bfusb drivers
- Minor debugfs related fix in 6lowpan code
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
allmodconfig is broken by the addition of the -mcpu=cortex-a9
flag for smc.S:
arch/arm/mach-tango/smc.S:1:0: warning: switch -mcpu=cortex-a9 conflicts with -march=armv6k switch
This sets the flag in the same way that all other platforms
do, to fix the compile error.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Merge "BCM2835 SOC changes for 4.5" from Eric Anholt:
This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/soc branch.
* tag 'bcm2835-soc-next-2015-12-28' of http://github.com/anholt/linux:
ARM: bcm2835: Add Kconfig support for bcm2836
ARM: bcm2835: Add a compat string for bcm2836 machine probe
dt-bindings: Add root properties for Raspberry Pi 2
Conflicts:
arch/arm/mach-bcm/Kconfig
This branch was merged into v4.4-rc5 and is needed for the
bcm2836 support. Merging it first to avoid large-scale backmerge
of rc5.
* depends/usb-fixes:
usb: dwc2: fix kernel oops during driver probe
usb: phy: mxs: add "fsl,imx6ul-usbphy" compatible string
usb: gadget: f_midi: fix leak on failed to enqueue out requests
usb: gadget: f_midi: Transmit data only when IN ep is enabled
usb: dwc2: make otg clk optional
usb: dwc2: Return errors from PHY
usb: dwc2: Make PHY optional
usb: renesas_usbhs: gadget: Fix NULL pointer dereference in usbhsg_ep_dequeue()
usb: kconfig: fix warning of select USB_OTG
usb: gadget: pxa27x: fix suspend callback
usb: gadget: functionfs: fix missing access_ok checks
usb: musb: USB_TI_CPPI41_DMA requires dmaengine support
Pull "reworked soc changes for ti81xx devices and minimal dra62x
j5ec-evm support" from Tony Lindgren:
Add minimal SoC support for dra62x also known as j5eco. As it's closely
related to dm814x, we can treat it as a dm814x variant for now and do
rest of the configuration with DTS just files. And let's add hwmod
support for MMC and USB on dm814x and dra62x.
* tag 'omap-for-v4.5/81xx-soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Add support for dm814x and dra62x usb
ARM: OMAP2+: Add mmc hwmod entries for dm814x
ARM: OMAP2+: Update 81xx clock and power domains for default, active and sgx
ARM: OMAP2+: Fix SoC detection for dra62x j5-eco
1. eMMC/SDIO minor fixes usage of bindings on Snow and Peach
Chromebooks.
2. Remove FIMD from Odroid XU3-family because on XU3 it cannot be used
yet and on XU3-Lite and XU4 it is not supported.
3. Remove deprecated since June 2013 samsung,exynos5-hdmi.
4. Add support for Pseudo Random Generator on Exynos4 (Trats2 for now).
This depends on new SSS clock.
5. Add rotator nodes for Exynos4 and Exynos5.
6. Switch DWC3_1 on Odroid XU3 and XU3-Lite to peripheral mode because
now it cannot be used as OTG.
7. Cleanup the G2D usage on Exynos4 and add it to a proper domain
in case of Exynos4210.
8. Put MDMA1 in proper domain on Exynos4210 as well.
9. Minor cleanups.
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Merge tag 'samsung-dt-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt
Merge "Samsung DeviceTree updates and improvements for 4.5" from Krzysztof Kozlowski:
1. eMMC/SDIO minor fixes usage of bindings on Snow and Peach
Chromebooks.
2. Remove FIMD from Odroid XU3-family because on XU3 it cannot be used
yet and on XU3-Lite and XU4 it is not supported.
3. Remove deprecated since June 2013 samsung,exynos5-hdmi.
4. Add support for Pseudo Random Generator on Exynos4 (Trats2 for now).
This depends on new SSS clock.
5. Add rotator nodes for Exynos4 and Exynos5.
6. Switch DWC3_1 on Odroid XU3 and XU3-Lite to peripheral mode because
now it cannot be used as OTG.
7. Cleanup the G2D usage on Exynos4 and add it to a proper domain
in case of Exynos4210.
8. Put MDMA1 in proper domain on Exynos4210 as well.
9. Minor cleanups.
* tag 'samsung-dt-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: (21 commits)
ARM: dts: Unify G2D device node with other devices on exynos4
ARM: dts: Add power domain to G2D device on exynos4210
ARM: dts: MDMA1 device belongs to LCD0 power domain on exynos4210
ARM: dts: Remove unneeded GPIO include in exynos4412-odroidu3
ARM: dts: exynos4210-universal_c210: Disable DMA for UARTs
ARM: dts: Use peripheral mode for dwc3_1 on exynos5422-odroidxu3
ARM: dts: Add rotator node on exynos5420
ARM: dts: Add rotator node on exynos5250
ARM: dts: Fix power domain for sysmmu-rotator device on exynos4
ARM: dts: Add rotator nodes on exynos4
ARM: dts: Enable PRNG module on exynos4412-trats2
ARM: dts: Add PRNG module for exynos4
dt-bindings: remove deprecated compatible string from exynos-hdmi
ARM: dts: Remove fimd node from exynos5422-odroidxu3-common
ARM: dts: Mark eMMC as non-removable in exynos5250-snow-common
ARM: dts: Remove broken-cd from eMMC node in exynos5420-peach-pi
ARM: dts: Remove broken-cd from eMMC node in exynos5800-peach-pi
ARM: dts: Mark SDIO as non-removable in exynos5250-snow-common
ARM: dts: Mark SDIO as non-removable in exynos5420-peach-pit
ARM: dts: Mark SDIO as non-removable in exynos5800-peach-pi
...
For a long time, gcc has warned about odd configurations on s3c64xx:
In file included from arch/arm/plat-samsung/pm.c:34:0:
arch/arm/mach-s3c64xx/include/mach/pm-core.h:61:0: warning: "s3c_irqwake_eintallow" redefined
#define s3c_irqwake_eintallow ((1 << 28) - 1)
In file included from arch/arm/plat-samsung/pm.c:33:0:
arch/arm/plat-samsung/include/plat/pm.h:49:0: note: this is the location of the previous definition
#define s3c_irqwake_eintallow 0
The definitions of s3c_irqwake_intallow and s3c_irqwake_eintallow are a
bit consistent between the various platforms. Things have become easier
now that it's only s3c24xx and s3c64xx that use them at all, so I've tried
to rearrange the definitions to make it more obvious what is going on.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
I got one randconfig build that failed to compile plat-samsung/pm-debug.c
on s3c64xx:
In file included from arch/arm/plat-samsung/pm-debug.c:27:0:
arch/arm/mach-s3c64xx/include/mach/pm-core.h: In function 's3c_pm_debug_init_uart':
arch/arm/mach-s3c64xx/include/mach/pm-core.h:25:25: error: 'S3C_VA_SYS' undeclared (first use in this function)
u32 tmp = __raw_readl(S3C_PCLK_GATE);
arch/arm/mach-s3c64xx/include/mach/pm-core.h:25:25: note: each undeclared identifier is reported only once for each function it appears in
arch/arm/mach-s3c64xx/include/mach/pm-core.h:39:2: error: implicit declaration of function 'udelay' [-Werror=implicit-function-declaration]
udelay(10);
I have not investigated why this does not show up much more often, I
guess the headers are usually included from elsewhere, but adding
explicit #include statements is an obvious fix.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
The Pi 2 B ends up like a Pi 1 B+, with the same peripherals and
pinout, but the CPU and memory layout changed to use the 2836.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
For Raspberry Pi 2, we want to use the same general pin assignment
bits, but need to use bcm2836.dtsi for the CPU instead.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The set of peripherals remained constant across bcm2835 (Raspberry Pi
1) and bcm2836 (Raspberry Pi 2), but the CPU was swapped out. Split
the files so that we can include just peripheral setup in 2836.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
add the auxiliary spi driver to the default config
Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
