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* 'for-linus' of git://oss.sgi.com/xfs/xfs:
xfs: check if device support discard in xfs_ioc_trim()
xfs: prevent leaking uninitialized stack memory in FSGEOMETRY_V1
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The device is very similar to (0x0fe6, 0x8101),
And works well with dm9601 driver.
Signed-off-by: Shahar Havivi <shaharh@redhat.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- fix the RTL8111DP turn off the power when DASH is enabled.
- RTL_GIGA_MAC_VER_27 must wait for tx finish before reset.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
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Adjust and remove certain settings of RTL8102E which are for previous chips.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-off-by: Francois Romieu <romieu@fr.zoreil.com>
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It results in the wrong point address and influences RTL8168DP.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
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DM9000 revision B needs 1 ms delay after PHY power-on.
PHY must be powered on by writing 0 into register DM9000_GPR before
all other settings will change (see Davicom spec and example code).
Remember, that register DM9000_GPR was not changed by reset sequence.
Without this fix the FIFO is out of sync and sends wrong data after
sequence of "ifconfig ethX down ; ifconfig ethX up".
Signed-off-by: David S. Miller <davem@davemloft.net>
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The spin_lock should hold before reading register.
Signed-off-by: David S. Miller <davem@davemloft.net>
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netem_skb_cb() does :
return (struct netem_skb_cb *)qdisc_skb_cb(skb)->data;
Unfortunatly struct qdisc_skb_cb data is not long word aligned, so
access to psched_time_t time_to_send uses a non aligned access.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Btrfs fiemap code wasn't properly returning delalloc extents,
so applications that trust fiemap to decide if there are holes in the
file see holes instead of delalloc.
This reworks the btrfs fiemap code, adding a get_extent helper that
searches for delalloc ranges and also adding a helper for extent_fiemap
that skips past holes in the file.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Commit 8ee294cd9def0004887da7f44b80563493b0a097 converted serio
subsystem event handling from using a dedicated thread to using
common workqueue. Unfortunately, this regressed our boot times,
due to the fact that serio jobs take long time to execute. While
the new concurrency managed workqueue code manages long-playing
works just fine and schedules additional workers as needed, such
works wreck havoc among remaining users of flush_scheduled_work().
To solve this problem let's move serio/gameport works from system_wq
to system_long_wq which nobody tries to flush.
Reported-and-tested-by: Hernando Torque <pantherchen@versanet.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Since Synaptics technical writers department is a bit slow releasing updated
Synaptics interface guide, let's add some new bits (with their blessing)
to the code so that they don't get lost.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Commit
06824ba (ARM: tlb: delay page freeing for SMP and ARMv7 CPUs)
introduced a build failure for builds with CONFIG_SWAP=n:
In file included from arch/arm/mm/init.c:27:
arch/arm/include/asm/tlb.h: In function 'tlb_flush_mmu':
arch/arm/include/asm/tlb.h:101: error: implicit declaration of function 'release_pages'
arch/arm/include/asm/tlb.h: In function 'tlb_remove_page':
arch/arm/include/asm/tlb.h:165: error: implicit declaration of function 'page_cache_release'
as linux/swap.h doesn't include linux/pagemap.h but actually needs it
(see comments in linux/swap.h as to why this is.)
Fix that by #including <linux/pagemap.h> in <asm/pgalloc.h> as it's done
by x86.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The __param section is already brought in by RODATA above.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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These two Dell machines have been reported working well with
the ideapad model.
BugLink: http://bugs.launchpad.net/bugs/723676
Cc: stable@kernel.org
Tested-by: David Chen <david.chen@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Conexant 506e/20590 has the same graph as the rest of the 5066 family.
BugLink: http://bugs.launchpad.net/bugs/723672
Cc: stable@kernel.org
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The module forgot to sometimes unregister some resources.
This fixes Bug #22882.
[Patch updated to 2.6.38-rc3 by Randy Dunlap.]
Tested-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Florian Mickler <florian@mickler.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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When a USB audio device is disconnected, snd_usb_audio_disconnect()
kills all audio URBs. At the same time, the application, after being
notified of the disconnection, might close the device, in which case
ALSA calls the .hw_free callback, which should free the URBs too.
Commit de1b8b93a0ba "[ALSA] Fix hang-up at disconnection of usb-audio"
prevented snd_usb_hw_free() from freeing the URBs to avoid a hang that
resulted from this race, but this introduced another race because the
URB callbacks could now be executed after snd_usb_hw_free() has
returned, and try to access already freed data.
Fix the first race by introducing a mutex to serialize the disconnect
callback and all PCM callbacks that manage URBs (hw_free and hw_params).
Reported-and-tested-by: Pierre-Louis Bossart <pierre-louis.bossart@intel.com>
Cc: <stable@kernel.org>
[CL: also serialize hw_params callback]
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This reverts commit 5a893fc28f0393adb7c885a871b8c59e623fd528.
This causes a use after free in the ttm free alloc pages path,
when it tries to get the be after the be has been destroyed.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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In OMAP35X TRM Rev 2010-05 Figure 7-18 "DPLL With EMI Reduction
Feature", it is shown that the internal frequency is calculated by
CLK_IN/(N+1). However, the value passed to _dpll_test_fint() is
already "N+1" since Linux is using the values to divide by. In the
technical reference manual, "N" is referring to the divider's register
value (0-127).
During power management testing, it was observed that programming the
wrong jitter correction value can cause the system to become unstable
and eventually crash.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
[paul@pwsan.com: added second paragraph to commit message]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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* drm-mm-cleanup:
radeon: move blit functions to radeon_asic.h
radeon: kill decls for inline functions
radeon: consolidate asic-specific function decls for r600 & later
drm/radeon: kill radeon_bo->gobj pointer
drm/radeon: introduce gem_to_radeon_bo helper
drm/radeon: embed struct drm_gem_object
drm: mm: add helper to unwind scan state
drm: mm: add api for embedding struct drm_mm_node
drm: mm: extract node insert helper functions
drm: mm: track free areas implicitly
drm/nouveau: don't munge in drm_mm internals
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into drm-next
* 'stable/ttm.pci-api.v5' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
ttm: Include the 'struct dev' when using the DMA API.
nouveau/ttm/PCIe: Use dma_addr if TTM has set it.
radeon/ttm/PCIe: Use dma_addr if TTM has set it.
ttm: Expand (*populate) to support an array of DMA addresses.
ttm: Utilize the DMA API for pages that have TTM_PAGE_FLAG_DMA32 set.
ttm: Introduce a placeholder for DMA (bus) addresses.
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Using an order 19 drm_ht for the mmap offsets is a little obscene. That
means that will a fully populated GTT with every single object mmaped at
least once in its lifetime, there will be exactly one object in each
bucket.
Typically systems only have at most a few thousand objects, though you
may see a KDE desktop hit 50000. And most of those should never be
mapped... On my systems, just using an order 10 ht would still have an
average occupancy less than 1, so apply a small safety factor and
use an order 12 ht, like the other mmap offset ht.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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* 'for-2639-rc4/i2c-fixes' of git://git.fluff.org/bjdooks/linux:
i2c-omap: fixup commit cb527ede1bf6ff2008a025606f25344b8ed7b4ac whitespace
i2c-omap: Double clear of ARDY status in IRQ handler
i2c-omap: fix build for !CONFIG_SUSPEND
i2c-omap: fix static suspend vs. runtime suspend
i2c-stu300: make sure adapter-name is terminated
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... and fixup some methods to accept the constant argument.
Now that constant module arrays are loaded into read-only memory, using
const appropriately has some benefits beyond warning the programmer
about likely mistakes.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Functions that are not used outsde of the module they are defined
should be marked as static.
Signed-off-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
Revert "USB: Reset USB 3.0 devices on (re)discovery"
USB: musb: omap2430: fix kernel panic on reboot
sierra: add new ID for Airprime/Sierra USB IP modem
USB: serial/usb_wwan, fix tty NULL dereference
USB: Reset USB 3.0 devices on (re)discovery
USB: Add quirk for Samsung Android phone modem
USB: Add Samsung SGH-I500/Android modem ID switch to visor driver
USB: add quirks entry for Keytouch QWERTY Panel
usb: musb: omap2430: fix kernel panic on reboot
usb: musb: fix build breakage
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the texture checking code didn't work for block formats like s3tc,
this overhauls it to work for all types.
v2: add texture array support.
v3: add subsampled formats
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Nouveau doesn't have enough information at ttm_backend_func.bind() time
to implement things like tiled GART, or to keep a buffer at a constant
address in the GPU virtual address space no matter where in physical
memory it's placed.
To resolve this, nouveau will handle binding of all buffers to the GPU
itself from the move_notify() hook. This commit ensures it's called
for all buffer moves.
Talked to Dave about the impact on radeon, which uses move_notify, it
doesn't look like anything should break there.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Thomas Hellstrom <thomas@shipmail.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If there is an alpha channel, need to mask in 1's in the alpha channel
to prevent the fb from being completely transparent.
Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fixup the whitespace error noticed in cb527ede1bf6ff2008a025606f25344b8ed7b4ac
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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This errata occurs when the ARDY interrupt generation is enabled.
At the begining of every new transaction the ARDY interrupt is cleared.
On continuous i2c transactions where after clearing the ARDY bit from
I2C_STAT register (clearing the interrupt), the IRQ line is reasserted and the
I2C_STAT[ARDY] bit set again on 1. In fact, the ARDY status bit is not cleared
at the write access to I2C_STAT[ARDY] and only the IRQ line is deasserted and
then reasserted. This is not captured in the usual errata documents.
The workaround is to have a double clear of ARDY status in irq handler.
Signed-off-by: Richard woodruff <r-woodruff2@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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fix the build break when !CONFIG_SUSPEND
drivers/i2c/busses/i2c-omap.c:1173: error: lvalue required as unary '&' operand
make[3]: *** [drivers/i2c/busses/i2c-omap.o] Error 1
make[2]: *** [drivers/i2c/busses] Error 2
make[1]: *** [drivers/i2c] Error 2
make: *** [drivers] Error 2
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Now all the asic specific stuff ist mostly hid in radeon_asic.*
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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... and switch it to container_of upcasting.
v2: converted new pageflip code-paths.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Unconditionally initialize the drm gem object - it's not
worth the trouble not to for the few kernel objects.
This patch only changes the place of the drm gem object,
access is still done via pointers.
v2: Uncoditionally align the size in radeon_bo_create. At
least the r600/evergreen blit code didn't to this, angering
the paranoid gem code.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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With the switch to implicit free space accounting one pointer
got unused when scanning. Use it to create a single-linked list
to ensure correct unwinding of the scan state.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The old api has a two-step process: First search for a suitable
free hole, then allocate from that specific hole. No user used
this to do anything clever. So drop it for the embeddable variant
of the drm_mm api (the old one retains this ability, for the time
being).
With struct drm_mm_node embedded, we cannot track allocations
anymore by checking for a NULL pointer. So keep track of this
and add a small helper drm_mm_node_allocated.
Also add a function to move allocations between different struct
drm_mm_node.
v2: Implement suggestions by Chris Wilson.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The idea is to track free holes implicitly by marking the allocation
immediatly preceeding a hole.
To avoid an ugly corner case add a dummy head_node to struct drm_mm
to track the hole that spans to complete allocation area when the
memory manager is empty.
To guarantee that there's always a preceeding/following node (that might
be marked as hole_follows == 1), move the mm->node_list list_head to the
head_node.
The main allocator and fair-lru scan code actually becomes simpler.
Only the debug code slightly suffers because free areas are no longer
explicit.
Also add drm_mm_for_each_node (which will be much more useful when
struct drm_mm_node is embeddable).
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Nouveau was checking drm_mm internals on teardown to see whether the
memory manager was initialized. Hide these internals in a small
inline helper function.
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Some userspaces can emit a whole packet without disabling AA resolve
by the looks of it, so we have to deal with them.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Tested-by: Jorg Otte <jrg.otte@googlemail.com>
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r100_gpu_init() was dropped in 90aca4d ("drm/radeon/kms: simplify &
improve GPU reset V2") but here it was only commented out.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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modes.
Testing showed the current code can already handle doublescan
video modes just fine. A trivial tweak makes it work for interlaced
scanout as well.
Tested and shown to be precise on Radeon rv530, r600 and
Intel 945-GME.
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Documentation/atomic_ops.txt tells us that there are memory
barriers optimized for atomic_inc and other atomic_t ops.
Use these instead of smp_wmb(), and also to make the required
memory barriers around vblank counter increments more explicit.
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Use of abs() wrongly wrapped diff_ns to 32 bit, which gives a 1/4000
probability of a missed vblank increment at each vblank irq reenable
if the kms driver doesn't support high precision vblank timestamping.
Not a big deal in practice, but let's make it nice.
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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this aligns the height of the fb allocation so it doesn't trip
over the size checks later when we use this from userspace to
copy the buffer at X start.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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