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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: ice1724: increase SPDIF and independent stereo buffer sizes
ALSA: opl3: circular locking in the snd_opl3_note_on() and snd_opl3_note_off()
ALSA: ICE1712/24 - Change the Multi Track Peak control (level meters) from MIXER to PCM type
ALSA: hda - Fix yet another auto-mic bug in ALC268
ASoC: WM8350 capture PGA mutes are inverted
ASoC: Remove absent SYNC and TDM DAI format options from i.MX SSI
sound: via82xx: move DXS volume controls to PCM interface
ALSA: hda - Don't pick up invalid HP pins in alc_subsystem_id()
ALSA: hda - Add a workaround for ASUS A7K
ALSA: hda - Fix invalid initializations for ALC861 auto mode
ASoC: wm8940: Fix check on error code form snd_soc_codec_set_cache_io
ASoC: Fix SND_SOC_DAPM_LINE handling
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (24 commits)
drm/radeon/kms: fix vline register for second head.
drm/r600: avoid assigning vb twice in blit code
drm/radeon: use list_for_each_entry instead of list_for_each
drm/radeon/kms: Fix AGP support for R600/RV770 family (v2)
drm/radeon/kms: Fallback to non AGP when acceleration fails to initialize (v2)
drm/radeon/kms: Fix RS600/RV515/R520/RS690 IRQ
drm/radeon: Fix setting of bits
drm/ttm: fix refcounting in ttm global code.
drm/fb: add more correct 8/16/24/32 bpp fb support.
drm/fb: add setcmap and fix 8-bit support.
drm/radeon/kms: respect single crtc cards, only create one crtc. (v2)
drm: Delete the DRM_DEBUG_KMS in drm_mode_cursor_ioctl
drm/radeon/kms: add support for "Surround View"
drm/radeon/kms: Fix irq handling on AVIVO hw
drm/radeon/kms: R600/RV770 remove dead code and print message for wrong BIOS
drm/radeon/kms: Fix R600/RV770 disable acceleration path
drm/radeon/kms: Fix R600/RV770 startup path & reset
drm/radeon/kms: Fix R600 write back buffer
drm/radeon/kms: Remove old init path as no hw use it anymore
drm/radeon/kms: Convert RS600 to new init path
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
omapfb: Blizzard: constify register address tables
omapfb: Blizzard: fix pointer to be const
omapfb: Condition mutex acquisition
omap: iovmm: Add missing mutex_unlock
omap: iovmm: Fix incorrect spelling
omap: SRAM: flush the right address after memcpy in omap_sram_push
omap: Lock DPLL5 at boot
omap: Fix incorrect 730 vs 850 detection
OMAP3: PM: introduce a new powerdomain walk helper
OMAP3: PM: Enable GPIO module-level wakeups
OMAP3: PM: USBHOST: clear wakeup events on both hosts
OMAP3: PM: PRCM interrupt: only handle selected PRCM interrupts
OMAP3: PM: PRCM interrupt: check MPUGRPSEL register
OMAP3: PM: Prevent hang in prcm_interrupt_handler
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
amd64_edac: beef up DRAM error injection
amd64_edac: fix DRAM base and limit extraction
amd64_edac: fix chip select handling
amd64_edac: simple fix to allow reporting of CECC errors
amd64_edac: fix K8 intlv_sel check
amd64_edac: fix interleave enable tests
amd64_edac: fix DRAM base and limit address extraction
amd64_edac: fix driver instance lookup table allocation
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (40 commits)
ethoc: limit the number of buffers to 128
ethoc: use system memory as buffer
ethoc: align received packet to make IP header at word boundary
ethoc: fix buffer address mapping
ethoc: fix typo to compute number of tx descriptors
au1000_eth: Duplicate test of RX_OVERLEN bit in update_rx_stats()
netxen: Fix Unlikely(x) > y
pasemi_mac: ethtool get settings fix
add maintainer for network drop monitor kernel service
tg3: Fix phylib locking strategy
rndis_host: support ETHTOOL_GPERMADDR
ipv4: arp_notify address list bug
gigaset: add kerneldoc comments
gigaset: correct debugging output selection
gigaset: improve error recovery
gigaset: fix device ERROR response handling
gigaset: announce if built with debugging
gigaset: handle isoc frame errors more gracefully
gigaset: linearize skb
gigaset: fix reject/hangup handling
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6:
Revert "Revert "ide: try to use PIO Mode 0 during probe if possible""
sis5513: fix PIO setup for ATAPI devices
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git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
agp: parisc-agp.c - use correct page_mask function
parisc: Fix linker script breakage.
parisc: convert to asm-generic/hardirq.h
parisc: Make THREAD_SIZE available to assembly files and linker scripts.
parisc: correct use of SHF_ALLOC
parisc: rename parisc's vmalloc_start to parisc_vmalloc_start
parisc: add me to Maintainers
parisc: includecheck fix: signal.c
parisc: HAVE_ARCH_TRACEHOOK
parisc: add skeleton syscall.h
parisc: stop using task->ptrace for {single,block}step flags
parisc: split syscall_trace into two halves
parisc: add missing TI_TASK macro in syscall.S
parisc: tracehook_signal_handler
parisc: tracehook_report_syscall
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In module unload, lis3lv02d core driver sysfs clean up was not called.
Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Cc: Éric Piel <eric.piel@tremplin-utc.net>
Cc: "Trisal, Kalhan" <kalhan.trisal@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The PC Card 8.0 specification (vol. 4, section 3.2.10) says the
TPLLV1_INFO field of the CISTPL_VERS_1 tuple must contain 4 strings. Some
cards don't have all 4 so just parse as many as we can.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Tested-by: Jonathan Cameron <jic23@cam.ac.uk>
Tested-by: Bing Zhao <bzhao@marvell.com>
Cc: Roel Kluin <roel.kluin@gmail.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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For hwpoison stress testing. The debugfs mount point is assumed to be
/debug/.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Refactor the code to be more modular and easier to reuse.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This helps merge duplicate code (now and future) and outstand the main
logic.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It indicates to the system admin that processes mapping such pages may be
eating less physical memory than the reported numbers by legacy tools.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Izik Eidus <ieidus@redhat.com>
Acked-by: Chris Wright <chrisw@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This flag indicates a hardware detected memory corruption on the page.
Any future access of the page data may bring down the machine.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update documentation of cgroups tasks and procs files
Document the cgroup.procs file.
Clarify the semantics of the cgroup.procs and tasks files. Although the
current cgroup.procs interface returns a sorted and uniqified list of
pids, potential future performance enhancements could result in those
properties being removed - explicitly document this aspect of the API.
There are no existing users of cgroup.procs, so compatibility isn't an
issue. There are users of the "tasks" file, but none that would appear to
break in the event of the sorted property being broken. The standard
"libcpuset" explicitly sorts the results of reading from the tasks file,
and "libcg" and other users don't appear to care about ordering.
Signed-off-by: Paul Menage <menage@google.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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fix the following 'make includecheck' warning:
drivers/video/da8xx-fb.c: linux/device.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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fix the following 'make includecheck' warning:
drivers/video/msm/mddi.c: linux/delay.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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fix the following 'make includecheck' warning:
fs/proc/kcore.c: linux/mm.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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fix the following 'make includecheck' warning:
mm/vmalloc.c: linux/highmem.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Adjust the max_kernel_pages default to a quarter of totalram_pages,
instead of nr_free_buffer_pages() / 4: the KSM pages themselves come from
highmem, and even on a 16GB PAE machine, 4GB of KSM pages would only be
pinning 32MB of lowmem with their rmap_items, so no need for the more
obscure calculation (nor for its own special init function).
There is no way for the user to switch KSM on if CONFIG_SYSFS is not
enabled, so in that case default run to KSM_RUN_MERGE.
Update KSM Documentation and Kconfig to reflect the new defaults.
Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Izik Eidus <ieidus@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Increase the default and maximum PCM buffer prellocation size for ice1724's
SPDIF and independent stereo pair outputs to 256K, which is the hardware's
maximum supported size. This allows a reduction in interrupt rate and
potentially power usage when an application is not latency-critical.
Signed-off-by: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Fix following circular locking in the opl3 driver.
=======================================================
[ INFO: possible circular locking dependency detected ]
2.6.32-rc3 #87
-------------------------------------------------------
swapper/0 is trying to acquire lock:
(&opl3->voice_lock){..-...}, at: [<cca748fe>] snd_opl3_note_off+0x1e/0xe0 [snd_opl3_synth]
but task is already holding lock:
(&opl3->sys_timer_lock){..-...}, at: [<cca75169>] snd_opl3_timer_func+0x19/0xc0 [snd_opl3_synth]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&opl3->sys_timer_lock){..-...}:
[<c02461d5>] validate_chain+0xa25/0x1040
[<c0246aca>] __lock_acquire+0x2da/0xab0
[<c024731a>] lock_acquire+0x7a/0xa0
[<c044c300>] _spin_lock_irqsave+0x40/0x60
[<cca75046>] snd_opl3_note_on+0x686/0x790 [snd_opl3_synth]
[<cca68912>] snd_midi_process_event+0x322/0x590 [snd_seq_midi_emul]
[<cca74245>] snd_opl3_synth_event_input+0x15/0x20 [snd_opl3_synth]
[<cca4dcc0>] snd_seq_deliver_single_event+0x100/0x200 [snd_seq]
[<cca4de07>] snd_seq_deliver_event+0x47/0x1f0 [snd_seq]
[<cca4e50b>] snd_seq_dispatch_event+0x3b/0x140 [snd_seq]
[<cca5008c>] snd_seq_check_queue+0x10c/0x120 [snd_seq]
[<cca5037b>] snd_seq_enqueue_event+0x6b/0xe0 [snd_seq]
[<cca4e0fd>] snd_seq_client_enqueue_event+0xdd/0x100 [snd_seq]
[<cca4eb7a>] snd_seq_write+0xea/0x190 [snd_seq]
[<c02827b6>] vfs_write+0x96/0x160
[<c0282c9d>] sys_write+0x3d/0x70
[<c0202c45>] syscall_call+0x7/0xb
-> #0 (&opl3->voice_lock){..-...}:
[<c02467e6>] validate_chain+0x1036/0x1040
[<c0246aca>] __lock_acquire+0x2da/0xab0
[<c024731a>] lock_acquire+0x7a/0xa0
[<c044c300>] _spin_lock_irqsave+0x40/0x60
[<cca748fe>] snd_opl3_note_off+0x1e/0xe0 [snd_opl3_synth]
[<cca751f0>] snd_opl3_timer_func+0xa0/0xc0 [snd_opl3_synth]
[<c022ac46>] run_timer_softirq+0x166/0x1e0
[<c02269e8>] __do_softirq+0x78/0x110
[<c0226ac6>] do_softirq+0x46/0x50
[<c0226e26>] irq_exit+0x36/0x40
[<c0204bd2>] do_IRQ+0x42/0xb0
[<c020328e>] common_interrupt+0x2e/0x40
[<c021092f>] apm_cpu_idle+0x10f/0x290
[<c0201b11>] cpu_idle+0x21/0x40
[<c04443cd>] rest_init+0x4d/0x60
[<c055c835>] start_kernel+0x235/0x280
[<c055c066>] i386_start_kernel+0x66/0x70
other info that might help us debug this:
2 locks held by swapper/0:
#0: (&opl3->tlist){+.-...}, at: [<c022abd0>] run_timer_softirq+0xf0/0x1e0
#1: (&opl3->sys_timer_lock){..-...}, at: [<cca75169>] snd_opl3_timer_func+0x19/0xc0 [snd_opl3_synth]
stack backtrace:
Pid: 0, comm: swapper Not tainted 2.6.32-rc3 #87
Call Trace:
[<c0245188>] print_circular_bug+0xc8/0xd0
[<c02467e6>] validate_chain+0x1036/0x1040
[<c0247f14>] ? check_usage_forwards+0x54/0xd0
[<c0246aca>] __lock_acquire+0x2da/0xab0
[<c024731a>] lock_acquire+0x7a/0xa0
[<cca748fe>] ? snd_opl3_note_off+0x1e/0xe0 [snd_opl3_synth]
[<c044c300>] _spin_lock_irqsave+0x40/0x60
[<cca748fe>] ? snd_opl3_note_off+0x1e/0xe0 [snd_opl3_synth]
[<cca748fe>] snd_opl3_note_off+0x1e/0xe0 [snd_opl3_synth]
[<c044c307>] ? _spin_lock_irqsave+0x47/0x60
[<cca751f0>] snd_opl3_timer_func+0xa0/0xc0 [snd_opl3_synth]
[<c022ac46>] run_timer_softirq+0x166/0x1e0
[<c022abd0>] ? run_timer_softirq+0xf0/0x1e0
[<cca75150>] ? snd_opl3_timer_func+0x0/0xc0 [snd_opl3_synth]
[<c02269e8>] __do_softirq+0x78/0x110
[<c044c0fd>] ? _spin_unlock+0x1d/0x20
[<c025915f>] ? handle_level_irq+0xaf/0xe0
[<c0226ac6>] do_softirq+0x46/0x50
[<c0226e26>] irq_exit+0x36/0x40
[<c0204bd2>] do_IRQ+0x42/0xb0
[<c024463c>] ? trace_hardirqs_on_caller+0x12c/0x180
[<c020328e>] common_interrupt+0x2e/0x40
[<c0208d88>] ? default_idle+0x38/0x50
[<c021092f>] apm_cpu_idle+0x10f/0x290
[<c0201b11>] cpu_idle+0x21/0x40
[<c04443cd>] rest_init+0x4d/0x60
[<c055c835>] start_kernel+0x235/0x280
[<c055c210>] ? unknown_bootoption+0x0/0x210
[<c055c066>] i386_start_kernel+0x66/0x70
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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MIXER to PCM type
* PLEASE NOTE - this change requires the corresponding update of
envy24control for ice1712 - kind of an ABI change.
* The "Multi Track Peak" control is read-only level meters indicator.
* The control is VERY confusing to most users since it is currently displayed
in regular mixers. E.g. alsamixer ignores its read-only status
and allows changing the levels with keys which makes no sense.
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Acked-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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conflict in radeon since new init path merged with vga arb code.
Conflicts:
drivers/gpu/drm/radeon/radeon.h
drivers/gpu/drm/radeon/radeon_asic.h
drivers/gpu/drm/radeon/radeon_device.c
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Both r100/r600 had this wrong, use the macro to extract the register
to relocate.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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There is no need to assign vb before you know that space is available.
[agd5f: adapted for kernel tree.]
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This is just a cleanup of the list macro usage.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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For AGP to work unmapped access must cover VRAM & AGP as
AGP is treated like VRAM by the GPU (ie physical address).
This patch properly setup the virtual memory system aperture
to cover AGP if AGP is enabled. It seems that there is memory
corruption after resume when using AGP (RV770 seems unaffected
thought). Version 2 just fix merge issue with updated AGP
fallback patch.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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When GPU acceleration is not working with AGP try to fallback to non
AGP GART (either PCI or PCIE GART). This should make KMS failure on
AGP less painfull. We still need to find out what is wrong when AGP
fails but at least user have a lot of more chances to get a working
configuration with acceleration. This patch also cleanup R600/RV770
fallback path so they use same code as others asics. Version 2
factorize agp disabling logic to avoid code duplication and bugs.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Bad generated header file leaded to use wrong register
to check IRQ status and acknowledge them. Fix the header
and use proper registers.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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When injecting DRAM ECC errors (F3xBC_x8), EccVector[15:0] is a bitmask
of which bits should be error injected when written to and holds the
payload of 16-bit DRAM word when read, respectively.
Add /sysfs members to show the DRAM ECC section/word/vector.
Fail wrong injection values entered over /sysfs instead of truncating
them.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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On Fam10h and above, F1x[1, 0][7C:40] are DRAM Base/Limit registers
which specify the destination node of a DRAM address. Those address
boundaries are being extracted into ->dram_base[] and ->dram_limit[].
Correct the extraction masks to match the respective address bits.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Different processor families support a different number of chip selects.
Handle this in a family-dependent way with the proper values assigned at
init time (see amd64_set_dct_base_and_mask).
Remove _DCSM_COUNT defines since they're used at one place and originate
from public documentation.
CC: Keith Mannthey <kmannth@us.ibm.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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This allows the errors to be further decoded and mapped to csrows.
Tested with ECC debug dimms and an Rev F cpu based system.
Signed-off-by: Keith Mannthey <kmannth@us.ibm.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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The check when DRAM interleaving is enabled should be done against the
pvt->dram_IntlvSel field and not against the ->dram_limit.
Simplify first loop and fixup printk formatting while at it.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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The pvt->dram_IntlvEn saves the 3 "Interleave Enable" bits already
right-shifted by 8 so the check in find_mc_by_sys_addr() by shifting the
values to the left 8 bits is wrong.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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K8 DRAM base and limit addresses from F1x40 +8*i and F1x44 + 8*i, where
i in (0..7) are both bits 39-24 and therefore the shifting should be
done by 24 and not by 8.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Allocate memory statically for 8-node machines max for simplicity
instead of relying on MAX_NUMNODES which is 0 on !CONFIG_NUMA builds.
Spotted by Jan Beulich.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Since patch_alc268() doesn't call set_capture_mixer() (due to its h/w
design different from other siblings), it needs to call fixup_automic_adc()
explicitly to set up the auto-mic routing. Otherwise the indices for
int/ext mics aren't set properly.
Reference: Novell bnc#544899
http://bugzilla.novell.com/show_bug.cgi?id=544899
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This reverts commit 24df31acaff8465d797f0006437b45ad0f2a5cb1.
The root cause of reported system hangs was (now fixed) sis5513 bug
and not "ide: try to use PIO Mode 0 during probe if possible" change
(commit 6029336426a2b43e4bc6f4a84be8789a047d139e) so the revert was
incorrect (it simply replaced one regression with the other one).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clear prefetch setting before potentially (re-)enabling it in
config_drive_art_rwp() so the transition of the device type on
the port from ATA to ATAPI (i.e. during warm-plug operation)
is handled correctly.
This is a really old bug (it probably goes back to very early
days of the driver) but it was only affecting warm-plug operation
until the recent "ide: try to use PIO Mode 0 during probe if
possible" change (commit 6029336426a2b43e4bc6f4a84be8789a047d139e).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Tested-by: David Fries <david@fries.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Only 128 buffer descriptors are supported in the core. Limit the
number in case we have more memory.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch enabled the ethoc to allocate system memory as buffer
when there is no dedicated buffer memory.
Some hardware designs may not have dedicated buffer memory such as
on chip or off chip SRAM. In this case, only one memory resource is
supplied in the platform data instead of two. Then a DMA buffer can
be allocated from system memory and used for the transfer.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The packet buffer is allocated at 4 bytes boundary, but the IP header
length and version bits is located at byte 14. These bit fields access
as 32 bits word and caused exception on processors that do not support
unaligned access.
The patch adds 2 bytes offset to make the bit fields word aligned.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The pointer address in buffer descriptors is physical address. The
pointer that processor used to access packet is virtual address.
Though the higher bits of pointer address used by the MAC may be
truncated to zero in special case, it is not always true in larger
designs.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
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