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2015-07-17MAINTAINERS: uclinux-h8-devel is moderated for non-subscribersGeert Uytterhoeven1-1/+1
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17mailmap: update Sudeep Holla's email idSudeep Holla1-0/+1
Since the get_maintainer script still reports my old email id based on few old commits, update mailmap to report new/updated address. It also helps to fix email address for 'git shortlog' Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17Update Viresh Kumar's email addressViresh Kumar58-72/+74
Switch to my kernel.org alias instead of a badly named gmail address, which I rarely use. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17mm, meminit: suppress unused memory variable warningMel Gorman1-3/+1
The kbuild test robot reported the following tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 14a6f1989dae9445d4532941bdd6bbad84f4c8da commit: 3b242c66ccbd60cf47ab0e8992119d9617548c23 x86: mm: enable deferred struct page initialisation on x86-64 date: 3 days ago config: x86_64-randconfig-x006-201527 (attached as .config) reproduce: git checkout 3b242c66ccbd60cf47ab0e8992119d9617548c23 # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): mm/page_alloc.c: In function 'early_page_uninitialised': >> mm/page_alloc.c:247:6: warning: unused variable 'nid' [-Wunused-variable] int nid = early_pfn_to_nid(pfn); It's due to the NODE_DATA macro ignoring the nid parameter on !NUMA configurations. This patch avoids the warning by not declaring nid. Signed-off-by: Mel Gorman <mgorman@suse.de> Reported-by: Wu Fengguang <fengguang.wu@intel.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17configfs: fix kernel infoleak through user-controlled format stringNicolas Iooss2-3/+3
Some modules call config_item_init_type_name() and config_group_init_type_name() with parameter "name" directly controlled by userspace. These two functions call config_item_set_name() with this name used as a format string, which can be used to leak information such as content of the stack to userspace. For example, make_netconsole_target() in netconsole module calls config_item_init_type_name() with the name of a newly-created directory. This means that the following commands give some unexpected output, with configfs mounted in /sys/kernel/config/ and on a system with a configured eth0 ethernet interface: # modprobe netconsole # mkdir /sys/kernel/config/netconsole/target_%lx # echo eth0 > /sys/kernel/config/netconsole/target_%lx/dev_name # echo 1 > /sys/kernel/config/netconsole/target_%lx/enabled # echo eth0 > /sys/kernel/config/netconsole/target_%lx/dev_name # dmesg |tail -n1 [ 142.697668] netconsole: target (target_ffffffffc0ae8080) is enabled, disable to update parameters The directory name is correct but %lx has been interpreted in the internal item name, displayed here in the error message used by store_dev_name() in drivers/net/netconsole.c. To fix this, update every caller of config_item_set_name to use "%s" when operating on untrusted input. This issue was found using -Wformat-security gcc flag, once a __printf attribute has been added to config_item_set_name(). Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17include, lib: add __printf attributes to several function prototypesNicolas Iooss12-30/+36
Using __printf attributes helps to detect several format string issues at compile time (even though -Wformat-security is currently disabled in Makefile). For example it can detect when formatting a pointer as a number, like the issue fixed in commit a3fa71c40f18 ("wl18xx: show rx_frames_per_rates as an array as it really is"), or when the arguments do not match the format string, c.f. for example commit 5ce1aca81435 ("reiserfs: fix __RASSERT format string"). To prevent similar bugs in the future, add a __printf attribute to every function prototype which needs one in include/linux/ and lib/. These functions were mostly found by using gcc's -Wsuggest-attribute=format flag. Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Felipe Balbi <balbi@ti.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17s390/hugetlb: add hugepages_supported defineDominik Dingel1-0/+1
On s390 we only can enable hugepages if the underlying hardware/hypervisor also does support this. Common code now would assume this to be signaled by setting HPAGE_SHIFT to 0. But on s390, where we only support one hugepage size, there is a link between HPAGE_SHIFT and pageblock_order. So instead of setting HPAGE_SHIFT to 0, we will implement the check for the hardware capability. Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17mm: hugetlb: allow hugepages_supported to be architecture specificDominik Dingel1-9/+8
s390 has a constant hugepage size, by setting HPAGE_SHIFT we also change e.g. the pageblock_order, which should be independent in respect to hugepage support. With this patch every architecture is free to define how to check for hugepage support. Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17revert "s390/mm: make hugepages_supported a boot time decision"Dominik Dingel3-8/+4
Heiko noticed that the current check for hugepage support on s390 is a little bit too harsh as systems which do not support will crash. The reason is that pageblock_order can now get negative when we set HPAGE_SHIFT to 0. To avoid all this and to avoid opening another can of worms with enabling HUGETLB_PAGE_SIZE_VARIABLE I think it would be best to simply allow architectures to define their own hugepages_supported(). Revert bea41197ead3 ("s390/mm: make hugepages_supported a boot time decision") in preparation. Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17revert "s390/mm: change HPAGE_SHIFT type to int"Dominik Dingel2-2/+2
Heiko noticed that the current check for hugepage support on s390 is a little bit too harsh as systems which do not support will crash. The reason is that pageblock_order can now get negative when we set HPAGE_SHIFT to 0. To avoid all this and to avoid opening another can of worms with enabling HUGETLB_PAGE_SIZE_VARIABLE I think it would be best to simply allow architectures to define their own hugepages_supported(). This patch (of 4): revert commit cf54e2fce51c ("s390/mm: change HPAGE_SHIFT type to int") in preparation. Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17openrisc: fix CONFIG_UID16 settingAndrew Morton1-3/+1
openrisc-allnoconfig: kernel/uid16.c: In function 'SYSC_setgroups16': kernel/uid16.c:184:2: error: implicit declaration of function 'groups_alloc' kernel/uid16.c:184:13: warning: assignment makes pointer from integer without a cast openrisc shouldn't be setting CONFIG_UID16 when CONFIG_MULTIUSER=n. Fixes: 2813893f8b197a1 ("kernel: conditionally support non-root users, groups and capabilities") Reported-by: Fengguang Wu <fengguang.wu@gmail.com> Cc: Iulia Manda <iulia.manda21@gmail.com> Cc: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17MAINTAINERS: change mhocko's email address to kernel.orgMichal Hocko1-1/+1
I am moving from mhocko@suse.cz to mhocko@kernel.org for kernel related stuff. Signed-off-by: Michal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17fs, proc: add help for CONFIG_PROC_CHILDRENIago López Galeiras1-0/+6
The purpose of the option was documented in Documentation/filesystems/proc.txt but the help text was missing. Add small help text that also points to the documentation. Signed-off-by: Iago López Galeiras <iago@endocode.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17MAINTAINERS: switch to suse.com many-in-one (fwd)Jiri Slaby1-46/+46
Since suse.{de,cz} is deprecated to use (but will still work for some time), switch to suse.com which is now to be used instead. Signed-off-by: Jiri Slaby <jslaby@suse.com> Acked-by: Alexander Graf <agraf@suse.de> Acked-by: David Sterba <dsterba@suse.com> Acked-by: Hannes Reinecke <hare@suse.com> Acked-by: Jan Kara <jack@suse.com> Acked-by: Jean Delvare <jdelvare@suse.com> Acked-by: Jiri Kosina <jkosina@suse.com> Acked-by: Michal Marek <mmarek@suse.com> Acked-by: NeilBrown <neilb@suse.com> Acked-by: Oliver Neukum <oneukum@suse.de> Acked-by: Takashi Iwai <tiwai@suse.com> Acked-by: Thomas Renninger <trenn@suse.de> Acked-by: Tomas Cech <sleep_walker@suse.com> Acked-by: Vojtech Pavlik <vojtech@suse.com> Signed-off-by: Jiri Kosina <jkosina@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17drm/ttm: improve uncached page deallocation.Jérôme Glisse1-6/+6
Calls to set_memory_wb() incure heavy TLB flush and IPI cost. To minimize those wait until pool grow beyond batch size before draining the pool. Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com> Reviewed-and-Tested-by: Michel Dänzer <michel@daenzer.net> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-07-17drm/ttm: fix uncached page deallocation to properly fill page pool v3.Jérôme Glisse1-1/+0
Current code never allowed the page pool to actualy fill in anyway. This fix it, so that we only start freeing page from the pool when we go over the pool size. Changed since v1: - Move the page batching optimization to its separate patch. Changed since v2: - Do not remove code part of the batching optimization with this patch. - Better commit message. Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com> Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-07-16drm/amdgpu/dce8: Re-set VBLANK interrupt state when enabling a CRTCMichel Dänzer1-0/+4
Something (ATOM BIOS?) seems to be clobbering the LB_INTERRUPT_MASK register while the CRTC is off, which caused e.g. glxgears or gnome-shell to hang after a modeset. Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
2015-07-16drm/radeon/ci: silence a harmless PCC warningAlex Deucher1-1/+1
This has been a source of confusion. Make it debug only. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-07-16drm/amdgpu/cz: silence some dpm debug outputAlex Deucher1-3/+3
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-16drm/amdgpu/cz: store the forced dpm levelAlex Deucher1-0/+2
So the selected forced level shows up properly in sysfs. Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-16drm/amdgpu/cz: unforce dpm levels before forcing to low/highAlex Deucher1-1/+7
This is necessary to properly reset the min/max limits before clamping them otherwise we may get improper clamping depending on what what was the last forced level. Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-16drm/amdgpu: remove bogus check in gfx8 rb setupAlex Deucher1-4/+1
Always respect the harvest configuration as is. Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-16drm/amdgpu: set proper index/data pair for smc regs on CZ (v2)Alex Deucher1-2/+33
v2: squash in later fix Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-16drm/amdgpu: disable the IP module if early_init returns -ENOENT (v2)Alex Deucher1-2/+7
If we run into a part with a harvest configuration where the entire IP block is unusable, just disable the IP block. v2: fix logic as noted by Christian Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-16drm/amdgpu: stop context leak in the error pathChristian König1-2/+6
Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
2015-07-16drm/amdgpu: validate the context id in the dependenciesChristian König1-1/+10
Just to make sure userspace don't send nonsense to the kernel. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
2015-07-16drm/radeon: fix user ptr race conditionChristian König2-1/+1
Port of amdgpu patch 9298e52f8b51d1e4acd68f502832f3a97f8cf892. Signed-off-by: Christian König <christian.koenig@amd.com> CC: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-16drm/radeon: Don't flush the GART TLB if rdev->gart.ptr == NULLMichel Dänzer1-4/+8
This can be the case when the GPU is powered off, e.g. via vgaswitcheroo or runpm. When the GPU is powered up again, radeon_gart_table_vram_pin flushes the TLB after setting rdev->gart.ptr to non-NULL. Fixes panic on powering off R7xx GPUs. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61529 Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-07-16drm/radeon: add a dpm quirk for Sapphire Radeon R9 270X 2GB GDDR5Alex Deucher1-0/+1
bug: https://bugs.freedesktop.org/show_bug.cgi?id=76490 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-07-16blk-mq: set default timeout as 30 secondsMing Lei1-1/+1
It is reasonable to set default timeout of request as 30 seconds instead of 30000 ticks, which may be 300 seconds if HZ is 100, for example, some arm64 based systems may choose 100 HZ. Signed-off-by: Ming Lei <ming.lei@canonical.com> Fixes: c76cbbcf4044 ("blk-mq: put blk_queue_rq_timeout together in blk_mq_init_queue()" Signed-off-by: Jens Axboe <axboe@fb.com>
2015-07-16gpio: pca953x: fix nested irqs reschedulingGrygorii Strashko1-0/+4
pca953x interrupt controller functionality is implemented using nested threaded IRQs which require parent_irq to be configured properly otherwise below warning can be seen if IRQ core will try re-schedule nested IRQ: ------------[ cut here ]------------ WARNING: CPU: 1 PID: 12 at kernel/irq/manage.c:696 irq_nested_primary_handler+0x30/0x38() Primary handler called for nested irq 301 Modules linked in: uinput ipv6 smsc95xx usbnet mii imx2_wdt etnaviv(C) matrix_keypad matrix_keymap ar1021_i2c CPU: 1 PID: 12 Comm: ksoftirqd/1 Tainted: G WC 4.1.1 #9 Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) Backtrace: [<c0013298>] (dump_backtrace) from [<c0013488>] (show_stack+0x20/0x24) [<c0013468>] (show_stack) from [<c05743c4>] (dump_stack+0x70/0xc0) [<c0574354>] (dump_stack) from [<c002b7b8>] (warn_slowpath_common+0x88/0xc0) [<c002b730>] (warn_slowpath_common) from [<c002b8ac>] (warn_slowpath_fmt+0x40/0x48) [<c002b870>] (warn_slowpath_fmt) from [<c0075798>] (irq_nested_primary_handler+0x30/0x38) [<c0075768>] (irq_nested_primary_handler) from [<c0075200>] (handle_irq_event_percpu+0x70/0x2d0) [<c0075190>] (handle_irq_event_percpu) from [<c00754ac>] (handle_irq_event+0x4c/0x6c) [<c0075460>] (handle_irq_event) from [<c0078204>] (handle_simple_irq+0xa4/0xc8) [<c0078160>] (handle_simple_irq) from [<c0077cd4>] (resend_irqs+0x50/0x7c) [<c0077c84>] (resend_irqs) from [<c002f99c>] (tasklet_action+0x94/0x140) [<c002f908>] (tasklet_action) from [<c002eea8>] (__do_softirq+0xa0/0x3c8) [<c002ee08>] (__do_softirq) from [<c002f208>] (run_ksoftirqd+0x38/0x54) [<c002f1d0>] (run_ksoftirqd) from [<c004b1e4>] (smpboot_thread_fn+0x1f8/0x2f0) [<c004afec>] (smpboot_thread_fn) from [<c0047744>] (kthread+0xe8/0x104) [<c004765c>] (kthread) from [<c000fac8>] (ret_from_fork+0x14/0x2c) ---[ end trace 96052cda48865769 ]--- The issue was reported and described in details by Lothar Waßmann and Christian Gmeiner in https://lkml.org/lkml/2014/9/9/123. Fix it by adding missed call of gpiochip_set_chained_irqchip() so GPIO IRQ chip helpers will set parent_irq for nested IRQs properly. Reported-by: Lothar Waßmann <LW@KARO-electronics.de> Tested-by: Christian Gmeiner <christian.gmeiner@gmail.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-07-16gpio: omap: prevent module from being unloaded while in useGrygorii Strashko1-0/+1
OMAP GPIO driver allowed to be built as loadable module, but it doesn't set owner field in GPIO chip structure. As result, module_get/put() API is not working and it's possible to unload OMAP driver while in use: omap_gpio 48051000.gpio: REMOVING GPIOCHIP WITH GPIOS STILL REQUESTED Hence, add missing configuration. Cc: Tony Lindgren <tony@atomide.com> Fixes: cac089f9026e ('gpio: omap: Allow building as a loadable module') Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-07-16gpio: max732x: Add missing dev reference to gpiochipMarek Vasut1-0/+1
In case the gpiochip doesn't have the .dev field set, as is the case in here, it is not possible to reference this device in DT as a GPIO controller. A good example of this problem is that gpio-leds can not be used when connected to this chip, the gpio-leds driver bails out with -EPROBE_DEFER. Fix this problem by setting the .dev field of the gpio_chip to the parent i2c device. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Mans Rullgard <mans@mansr.com> Cc: Olaf Mandel <o.mandel@menlosystems.com> Cc: Semen Protsenko <semen.protsenko@globallogic.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-07-16gpio/xilinx: Use correct address when setting initial values.Raphaël Teysseyre1-2/+2
xgpio_save_regs() is used in this driver to setup the initial values of the registers in the hardware. The relevant registers at that time are: 0x0 -> channel 0 data (32 bits, one for each GPIO on this channel). 0x4 -> channel 0 tri, controls in/out status for each GPIO of this channel. 0x8 -> channel 1 data 0xC -> channel 1 tri gpio-xilinx.c defines these: XGPIO_DATA_OFFSET (0x0) XGPIO_TRI_OFFSET (0x4) XGPIO_CHANNEL_OFFSET 0x8 Before this patch, the "data" register value of channel 1 was written at 0x4 intead of 0x8 (overwriting the channel 0 "tri" register), and the "tri" register value for channel 1 was written at 0x8 instead of 0xC. Signed-off-by: Raphaël Teysseyre <rteysseyre@gmail.com> Reviewed-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-07-16gpio: zynq: Fix problem with unbalanced pm_runtime_enableMichal Simek1-0/+1
Add missing pm_runtime_disabled to remove(). Error log: root@zynqmp:~# modprobe gpio_zynq root@zynqmp:~# lsmod Not tainted gpio_zynq 7086 0 - Live 0xffffffbffc00a000 root@zynqmp:~# rmmod gpio_zynq root@zynqmp:~# lsmod Not tainted root@zynqmp:~# modprobe gpio_zynq [ 246.924438] zynq-gpio ff0a0000.gpio: Unbalanced pm_runtime_enable! root@zynqmp:~# rmmod gpio_zynq root@zynqmp:~# lsmod Not tainted Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-07-16ALSA: hda/realtek: Enable HP amp and mute LED on HP Folio 9480m [v3]Keith Packard1-0/+55
This laptop needs GPIO4 pulled high to enable the headphone amplifier, and has a mute LED on GPIO3. I modelled the patch on the existing GPIO4 code which pulls the line low for the same purpose; this time, the HP amp line is pulled high. v2: Disable the headphone amplifier when no headphone is connected. Don't disable power savings to preserve the LED state. v3: Remove headset-specific hooks and code; this is just a headphone. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-07-16gpio: omap: add missed spin_unlock_irqrestore in omap_gpio_irq_typeGrygorii Strashko1-1/+3
Add missed spin_unlock_irqrestore in omap_gpio_irq_type when omap_set_gpio_triggering() is failed. It fixes static checker warning: drivers/gpio/gpio-omap.c:523 omap_gpio_irq_type() warn: inconsistent returns 'spin_lock:&bank->lock'. This fixes commit: 1562e4618ded ('gpio: omap: fix error handling in omap_gpio_irq_type') Reported-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: Grygorii Strashko <grygorii.strashko@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-07-16gpio: brcmstb: fix null ptr dereference in driver removeGregory Fong1-3/+11
If a failure occurs during probe, brcmstb_gpio_remove() is called. In remove, we call platform_get_drvdata(), but at the time of failure in the probe the driver data hadn't yet been set which leads to a NULL ptr dereference in the remove's list_for_each. Call platform_set_drvdata() and set up list head right after allocating the priv struct to both avoid the null pointer dereference that could occur today. To guard against potential future changes, check for null pointer in remove. Reported-by: Tim Ross <tross@broadcom.com> Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-07-16gpio: Remove double "base" in commentGeert Uytterhoeven1-1/+1
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-07-15NVMe: Reread partitions on metadata formatsKeith Busch1-2/+11
This patch has the driver automatically reread partitions if a namespace has a separate metadata format. Previously revalidating a disk was sufficient to get the correct capacity set on such formatted drives, but partitions that may exist would not have been surfaced. Reported-by: Paul Grabinar <paul.grabinar@ranbarg.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Cc: Matthew Wilcox <willy@linux.intel.com> Tested-by: Paul Grabinar <paul.grabinar@ranbarg.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-07-15jfs: clean up jfs_rename and fix out of order unlockDave Kleikamp1-14/+13
The end of jfs_rename(), which is also used by the error paths, included a call to IWRITE_UNLOCK(new_ip) after labels out1, out2 and out3. If we come in through these labels, IWRITE_LOCK() has not been called yet. In moving that call to the correct spot, I also moved some exceptional truncate code earlier as well, since the early error paths don't need to deal with it, and I renamed out4: to out_tx: so a future patch by Jan Kara doesn't need to deal with renumbering or confusing out-of-order labels. Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
2015-07-15drm/armada: avoid saving the adjusted mode to crtc->modeRussell King1-2/+0
We're not supposed to store the adjusted mode into crtc->mode. We don't use it anyway, so we can safely remove this. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-15drm/armada: fix overlay when partially off-screenRussell King1-14/+28
Fix the start address calculation when overlay is partially off screen. fb->bits_per_pixel is not set for YUV formats, and is always zero, which led to the first component always starting at zero. Use drm_format_plane_cpp() instead. This also revealed a problem in that YUYV formats toggle the U/V data for odd pixel start address offsets. We try to rectify that by toggling the U/V swap, which for the most part works, but seemingly introduces a flicker for one scan frame of swapped U/V. However, these changes result in an overall improvement. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-15drm/armada: convert overlay to use drm_plane_helper_check_update()Russell King1-28/+39
Use drm_plane_helper_check_update() rather than our own code to validate and limit the size of the displayed image. As we are able to support scaling, permit the full scaling ability. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-15drm/armada: fix gem object free after failed prime importRussell King1-2/+3
Fix the gem object freeing after a partial import of a dma buffer, eg, one which has been imported, but not mapped. This was provoking a warning from the dma_buf code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-15drm/armada: fix incorrect overlay plane cleanupRussell King1-1/+5
The Armada overlay plane wasn't being properly cleaned up as it was missing a call to drm_plane_cleanup(). It also wasn't freeing the right type of pointer (although we were still freeing the right pointer value.) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-15drm/armada: fix missing overlay wake-upRussell King1-5/+5
Nothing was waking up the overlay plane wait queue, so we were fully reliant on the HZ/25 wait timing out to make progress. Fix the lack of wake-up. We were also mis-handling the wait_event_timeout() return value - this returns an unsigned integer of the remaining time, or zero on timeout and the condition evaluated false. Checking this for less than zero is not sane. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-15drm: Provide compat ioctl for addfb2.1Tvrtko Ursulin1-0/+60
Frame buffer modifiers extensions provided in; commit e3eb3250d84ef97b766312345774367b6a310db8 Author: Rob Clark <robdclark@gmail.com> Date: Thu Feb 5 14:41:52 2015 +0000 drm: add support for tiled/compressed/etc modifier in addfb2 Missed the structure packing/alignment problem where 64-bit members were added after the odd number of 32-bit ones. This makes the compiler produce structures of different sizes under 32- and 64-bit x86 targets and makes the ioctl need explicit compat handling. v2: Removed the typedef. (Daniel Vetter) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Cc: Rob Clark <robdclark@gmail.com> Cc: Daniel Stone <daniels@collabora.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: stable@vger.kernel.org [danvet: Squash in compile fix from Mika.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-14staging: vt6656: check ieee80211_bss_conf bssid not NULLMalcolm Priestley1-1/+1
Sometimes bssid can go null on failed association. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Cc: <stable@vger.kernel.org> # v3.17+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-07-14staging: vt6655: check ieee80211_bss_conf bssid not NULLMalcolm Priestley1-1/+1
Sometimes bssid can go null on failed association. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Cc: <stable@vger.kernel.org> # v3.19+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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