Commit Graph

349471 Commits

Author SHA1 Message Date
Aaro Koskinen
e496efd950 ARM: OMAP1: nokia770: enable CBUS/Retu
Add needed platform data so that it's possible to use Retu and e.g. feed
Retu watchdog.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Javier Martinez Canillas
72718e8ce0 ARM: OMAP2+: omap2plus_defconfig: enable CMA allocator
The OMAP framebuffer driver now uses the standard dma allocator
instead of the (now removed) omap specific vram allocator.

Enable the Contiguous Memory Allocator by default to allow large
dma memory buffers allocation.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Javier Martinez Canillas
271b22b95a ARM: OMAP2+: omap2plus_defconfig: enable TFP410 chip support
Many OMAP3 based boards such as Beagle, Overo and IGEP use
the TFP410 DPI-to-DVI chip. So, it's good to have it built
as a module by default on OMAP2+ config.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Javier Martinez Canillas
8310f9d295 ARM: OMAP3: igep0020: simplify GPIO LEDs dependencies
The IGEPv2 board has two user GPIO LEDs and one of them is
default to "on" to tell the user that the board booted correctly.

But to use these LEDs the config options CONFIG_LEDS_GPIO,
CONFIG_LEDS_TRIGGERS and CONFIG_LEDS_TRIGGER_DEFAULT_ON have to
be enabled.

Since only the default-on and default-off triggers were used
anyway, it is better to just use .default_state instead of
.default_trigger and not depend on CONFIG_LEDS_TRIGGER_*

Also, this is consistent with IGEPv2 Device Tree that uses
default-state instead of linux,default-trigger for the leds
device nodes. The LED names also have been updated to use the
same names used on omap3-igep0020.dtb.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Kim Milo
a486dc2336 ARM: OMAP2+: craneboard: support the TPS65910 PMU
This patch supports the TPS65910 PMU function on the AM3517 Craneboard.
 The IRQ pin, SYS_NIRQ is dedicated connection between the AM3517 and
 the TPS65910 PMU.
 To handle the PMU IRQs, mux configuration is required.

 Platform data configuration:
 .IRQ number : SYS_NIRQ (M_IRQ_7)
 .External clock source : external 32KHz clock is connected

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Kim Milo
d58eb6b59f ARM: OMAP2+: craneboard: support NAND device
This patch enables the NAND device on the AM3517 Craneboard.

 MTD partitions are created as below.
 0x000000000000-0x000000080000 : "X-Loader"
 0x000000080000-0x000000240000 : "U-Boot"
 0x000000240000-0x000000280000 : "U-Boot Env"
 0x000000280000-0x000000780000 : "Kernel"
 0x000000780000-0x000010000000 : "File System"

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Igor Grinberg
ff95793a08 ARM: OMAP3: cm-t3517: add MMC support
cm-t3517 uses two MMC interfaces. Add support for both.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Kyungmin Park
21cc2bda8b ARM: OMAP2+: Remove apollon board support
As apollon board doesn't used anymore, remove it.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[tony@atomide.com: dropped uncompress.h changes, it's gone]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 10:11:19 -08:00
Linus Torvalds
88b62b915b Linux 3.8-rc6 2013-02-01 12:08:14 +11:00
Linus Torvalds
cc6c954a07 A fix for stacked dm thin devices and a fix for the new dm WRITE SAME
support.
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Merge tag 'dm-3.8-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm

Pull more device-mapper fixes from Alasdair G Kergon:
 "A fix for stacked dm thin devices and a fix for the new dm WRITE SAME
  support."

* tag 'dm-3.8-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
  dm: fix write same requests counting
  dm thin: fix queue limits stacking
2013-02-01 12:04:22 +11:00
Linus Torvalds
cf5425bfcd Merge branch 'for-3.8/upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
PullHID fixes from Jiri Kosina:

 - fix i2c-hid and hidraw interaction, by Benjamin Tissoires

 - a quirk to make a particular device (Formosa IR receiver) work
   properly, by Nicholas Santos

* 'for-3.8/upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: i2c-hid: fix i2c_hid_output_raw_report
  HID: usbhid: quirk for Formosa IR receiver
  HID: remove x bit from sensor doc
2013-02-01 08:44:59 +11:00
Linus Torvalds
bf6c8a8148 NFS client bugfixe for Linux 3.8
- Error reporting in nfs_xdev_mount incorrectly maps all errors to ENOMEM
 - Fix an NFSv4 refcounting issue
 - Fix a mount failure when the server reboots during NFSv4 trunking discovery
 - NFSv4.1 mounts may need to run the lease recovery thread.
 - Don't silently fail setattr() requests on mountpoints
 - Fix a SUNRPC socket/transport livelock and priority queue issue
 - We must handle NFS4ERR_DELAY when resetting the NFSv4.1 session.
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Merge tag 'nfs-for-3.8-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:

 - Error reporting in nfs_xdev_mount incorrectly maps all errors to
   ENOMEM

 - Fix an NFSv4 refcounting issue

 - Fix a mount failure when the server reboots during NFSv4 trunking
   discovery

 - NFSv4.1 mounts may need to run the lease recovery thread.

 - Don't silently fail setattr() requests on mountpoints

 - Fix a SUNRPC socket/transport livelock and priority queue issue

 - We must handle NFS4ERR_DELAY when resetting the NFSv4.1 session.

* tag 'nfs-for-3.8-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFSv4.1: Handle NFS4ERR_DELAY when resetting the NFSv4.1 session
  SUNRPC: When changing the queue priority, ensure that we change the owner
  NFS: Don't silently fail setattr() requests on mountpoints
  NFSv4.1: Ensure that nfs41_walk_client_list() does start lease recovery
  NFSv4: Fix NFSv4 trunking discovery
  NFSv4: Fix NFSv4 reference counting for trunked sessions
  NFS: Fix error reporting in nfs_xdev_mount
2013-02-01 08:43:52 +11:00
Linus Torvalds
aeb8eede8e Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "A number of fixes all across the MIPS tree.  No area is particularly
  standing out and things have cooled down quite nicely for a release."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: Function tracer: Fix broken function tracing
  mips: Move __virt_addr_valid() to a place for MIPS 64
  MIPS: Netlogic: Fix UP compilation on XLR
  MIPS: AR71xx: Fix AR71XX_PCI_MEM_SIZE
  MIPS: AR724x: Fix AR724X_PCI_MEM_SIZE
  MIPS: Lantiq: Fix cp0_perfcount_irq mapping
  MIPS: DSP: Fix DSP mask for registers.
  MIPS: Fix build failure by adding definition of pfn_pmd().
  MIPS: Octeon: Fix warning.
  MIPS: delay.c: Check BITS_PER_LONG instead of __SIZEOF_LONG__
  MIPS: PNX833x: Fix comment.
  MIPS: Add struct p_format to union mips_instruction.
  MIPS: Export <asm/break.h>.
  MIPS: BCM47xx: Enable SSB prerequisite SSB_DRIVER_PCICORE.
  MIPS: BCM47xx: Select GPIOLIB for BCMA on bcm47xx platform
  MIPS: vpe.c: Fix null pointer dereference in print arguments.
2013-02-01 08:43:04 +11:00
Benjamin Tissoires
c284979aff HID: i2c-hid: fix i2c_hid_output_raw_report
i2c_hid_output_raw_report is used by hidraw to forward set_report requests.
The current implementation of i2c_hid_set_report needs to take the
report_id as an argument. The report_id is stored in the first byte
of the buffer in argument of i2c_hid_output_raw_report.

Not removing the report_id from the given buffer adds this byte 2 times
in the command, leading to a non working command.

Reported-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-01-31 17:57:53 +01:00
Al Cooper
58b69401c7 MIPS: Function tracer: Fix broken function tracing
Function tracing is currently broken for all 32 bit MIPS platforms.
When tracing is enabled, the kernel immediately hangs on boot.
This is a result of commit b732d439cb
that changes the kernel/trace/Kconfig file so that is no longer
forces FRAME_POINTER when FUNCTION_TRACING is enabled.

MIPS frame pointers are generally considered to be useless because
they cannot be used to unwind the stack. Unfortunately the MIPS
function tracing code has bugs that are masked by the use of frame
pointers. This commit fixes the bugs so that MIPS frame pointers
don't need to be enabled.

The bugs are a result of the odd calling sequence used to call the trace
routine. This calling sequence is inserted into every traceable function
when the tracing CONFIG option is enabled. This sequence is generated
for 32bit MIPS platforms by the compiler via the "-pg" flag.

Part of the sequence is "addiu sp,sp,-8" in the delay slot after every
call to the trace routine "_mcount" (some legacy thing where 2 arguments
used to be pushed on the stack). The _mcount routine is expected to
adjust the sp by +8 before returning.  So when not disabled, the original
jalr and addiu will be there, so _mcount has to adjust sp.

The problem is that when tracing is disabled for a function, the
"jalr _mcount" instruction is replaced with a nop, but the
"addiu sp,sp,-8" is still executed and the stack pointer is left
trashed. When frame pointers are enabled the problem is masked
because any access to the stack is done through the frame
pointer and the stack pointer is restored from the frame pointer when
the function returns.

This patch writes two nops starting at the address of the "jalr _mcount"
instruction whenever tracing is disabled. This means that the
"addiu sp,sp.-8" will be converted to a nop along with the "jalr".  When
disabled, there will be two nops.

This is SMP safe because the first time this happens is during
ftrace_init() which is before any other processor has been started.
Subsequent calls to enable/disable tracing when other CPUs ARE running
will still be safe because the enable will only change the first nop
to a "jalr" and the disable, while writing 2 nops, will only be changing
the "jalr". This patch also stops using stop_machine() to call the
tracer enable/disable routines and calls them directly because the
routines are SMP safe.

When the kernel first boots we have to be able to handle the gcc
generated jalr, addui sequence until ftrace_init gets a chance to run
and change the sequence. At this point mcount just adjusts the stack
and returns. When ftrace_init runs, we convert the jalr/addui to nops.
Then whenever tracing is enabled we convert the first nop to a "jalr
mcount+8". The mcount+8 entry point skips the stack adjust.

[ralf@linux-mips.org: Folded in  Steven Rostedt's build fix.]

Signed-off-by: Al Cooper <alcooperx@gmail.com>
Cc: rostedt@goodmis.org
Cc: ddaney.cavm@gmail.com
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/4806/
Patchwork: https://patchwork.linux-mips.org/patch/4841/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-31 15:28:48 +01:00
Alasdair G Kergon
fe7af2d3ba dm: fix write same requests counting
When processing write same requests, fix dm to send the configured
number of WRITE SAME requests to the target rather than the number of
discards, which is not always the same.

Device-mapper WRITE SAME support was introduced by commit
23508a96cd ("dm: add WRITE SAME support").

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
2013-01-31 14:23:36 +00:00
Steven Rostedt
196897a297 mips: Move __virt_addr_valid() to a place for MIPS 64
Commit d3ce884318 "MIPS: Fix modpost error in modules attepting to use
virt_addr_valid()" moved __virt_addr_valid() from a macro in a header
file to a function in ioremap.c. But ioremap.c is only compiled for MIPS
32, and not for MIPS 64.

When compiling for my yeeloong2, which supposedly supports hibernation,
which compiles kernel/power/snapshot.c which calls virt_addr_valid(), I
got this error:

  LD      init/built-in.o
kernel/built-in.o: In function `memory_bm_free':
snapshot.c:(.text+0x4c9c4): undefined reference to `__virt_addr_valid'
snapshot.c:(.text+0x4ca58): undefined reference to `__virt_addr_valid'
kernel/built-in.o: In function `snapshot_write_next':
(.text+0x4e44c): undefined reference to `__virt_addr_valid'
kernel/built-in.o: In function `snapshot_write_next':
(.text+0x4e890): undefined reference to `__virt_addr_valid'
make[1]: *** [vmlinux] Error 1
make: *** [sub-make] Error 2

I suspect that __virt_addr_valid() is fine for mips 64. I moved it to
mmap.c such that it gets compiled for mips 64 and 32.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4842/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-31 15:14:59 +01:00
Mike Snitzer
0f640dca08 dm thin: fix queue limits stacking
thin_io_hints() is blindly copying the queue limits from the thin-pool
which can lead to incorrect limits being set.  The fix here simply
deletes the thin_io_hints() hook which leaves the existing stacking
infrastructure to set the limits correctly.

When a thin-pool uses an MD device for the data device a thin device
from the thin-pool must respect MD's constraints about disallowing a bio
from spanning multiple chunks.  Otherwise we can see problems.  If the raid0
chunksize is 1152K and thin-pool chunksize is 256K I see the following
md/raid0 error (with extra debug tracing added to thin_endio) when
mkfs.xfs is executed against the thin device:

md/raid0:md99: make_request bug: can't convert block across chunks or bigger than 1152k 6688 127
device-mapper: thin: bio sector=2080 err=-5 bi_size=130560 bi_rw=17 bi_vcnt=32 bi_idx=0

This extra DM debugging shows that the failing bio is spanning across
the first and second logical 1152K chunk (sector 2080 + 255 takes the
bio beyond the first chunk's boundary of sector 2304).  So the bio
splitting that DM is doing clearly isn't respecting the MD limits.

max_hw_sectors_kb is 127 for both the thin-pool and thin device
(queue_max_hw_sectors returns 255 so we'll excuse sysfs's lack of
precision).  So this explains why bi_size is 130560.

But the thin device's max_hw_sectors_kb should be 4 (PAGE_SIZE) given
that it doesn't have a .merge function (for bio_add_page to consult
indirectly via dm_merge_bvec) yet the thin-pool does sit above an MD
device that has a compulsory merge_bvec_fn.  This scenario is exactly
why DM must resort to sending single PAGE_SIZE bios to the underlying
layer. Some additional context for this is available in the header for
commit 8cbeb67a ("dm: avoid unsupported spanning of md stripe boundaries").

Long story short, the reason a thin device doesn't properly get
configured to have a max_hw_sectors_kb of 4 (PAGE_SIZE) is that
thin_io_hints() is blindly copying the queue limits from the thin-pool
device directly to the thin device's queue limits.

Fix this by eliminating thin_io_hints.  Doing so is safe because the
block layer's queue limits stacking already enables the upper level thin
device to inherit the thin-pool device's discard and minimum_io_size and
optimal_io_size limits that get set in pool_io_hints.  But avoiding the
queue limits copy allows the thin and thin-pool limits to be different
where it is important, namely max_hw_sectors_kb.

Reported-by: Daniel Browning <db@kavod.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2013-01-31 14:11:14 +00:00
Linus Torvalds
04c2eee5b9 Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 EFI fixes from Peter Anvin:
 "This is a collection of fixes for the EFI support.  The controversial
  bit here is a set of patches which bumps the boot protocol version as
  part of fixing some serious problems with the EFI handover protocol,
  used when booting under EFI using a bootloader as opposed to directly
  from EFI.  These changes should also make it a lot saner to support
  cross-mode 32/64-bit EFI booting in the future.  Getting these changes
  into 3.8 means we avoid presenting an inconsistent ABI to bootloaders.

  Other changes are display detection and fixing efivarfs."

* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, efi: remove attribute check from setup_efi_pci
  x86, build: Dynamically find entry points in compressed startup code
  x86, efi: Fix PCI ROM handing in EFI boot stub, in 32-bit mode
  x86, efi: Fix 32-bit EFI handover protocol entry point
  x86, efi: Fix display detection in EFI boot stub
  x86, boot: Define the 2.12 bzImage boot protocol
  x86/boot: Fix minor fd leakage in tools/relocs.c
  x86, efi: Set runtime_version to the EFI spec revision
  x86, efi: fix 32-bit warnings in setup_efi_pci()
  efivarfs: Delete dentry from dcache in efivarfs_file_write()
  efivarfs: Never return ENOENT from firmware
  efi, x86: Pass a proper identity mapping in efi_call_phys_prelog
  efivarfs: Drop link count of the right inode
2013-01-31 17:10:36 +11:00
Linus Torvalds
bdb0ae6a76 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "This is a collection of miscellaneous fixes, the most important one is
  the fix for the Samsung laptop bricking issue (auto-blacklisting the
  samsung-laptop driver); the efi_enabled() changes you see below are
  prerequisites for that fix.

  The other issues fixed are booting on OLPC XO-1.5, an UV fix, NMI
  debugging, and requiring CAP_SYS_RAWIO for MSR references, just as
  with I/O port references."

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  samsung-laptop: Disable on EFI hardware
  efi: Make 'efi_enabled' a function to query EFI facilities
  smp: Fix SMP function call empty cpu mask race
  x86/msr: Add capabilities check
  x86/dma-debug: Bump PREALLOC_DMA_DEBUG_ENTRIES
  x86/olpc: Fix olpc-xo1-sci.c build errors
  arch/x86/platform/uv: Fix incorrect tlb flush all issue
  x86-64: Fix unwind annotations in recent NMI changes
  x86-32: Start out cr0 clean, disable paging before modifying cr3/4
2013-01-31 17:08:43 +11:00
Linus Torvalds
0fe94b9e56 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull console lockdep checking revert from Dave Airlie.

The lockdep splat this showed was interesting, but it's very very old,
and we won't be fixing it until 3.9.  In the meantime, undo the lockdep
annotation so that we don't generate the (known) console lockdep issue,
and then possibly hide any potential other (unknown) lockdep problems
that got disabled by the first one that triggered.

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  Revert "console: implement lockdep support for console_lock"
2013-01-31 17:04:46 +11:00
Dave Airlie
ff0d05bf73 Revert "console: implement lockdep support for console_lock"
This reverts commit daee779718.

I'll requeue this after the console locking fixes, so lockdep
is useful again for people until fbcon is fixed.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-01-31 15:46:56 +11:00
Trond Myklebust
c489ee290b NFSv4.1: Handle NFS4ERR_DELAY when resetting the NFSv4.1 session
NFS4ERR_DELAY is a legal reply when we call DESTROY_SESSION. It
usually means that the server is busy handling an unfinished RPC
request. Just sleep for a second and then retry.
We also need to be able to handle the NFS4ERR_BACK_CHAN_BUSY return
value. If the NFS server has outstanding callbacks, we just want to
similarly sleep & retry.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
2013-01-30 17:45:15 -05:00
Trond Myklebust
edd2e36fe8 SUNRPC: When changing the queue priority, ensure that we change the owner
This fixes a livelock in the xprt->sending queue where we end up never
making progress on lower priority tasks because sleep_on_priority()
keeps adding new tasks with the same owner to the head of the queue,
and priority bumps mean that we keep resetting the queue->owner to
whatever task is at the head of the queue.

Regression introduced by commit c05eecf636
(SUNRPC: Don't allow low priority tasks to pre-empt higher priority ones).

Reported-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-01-30 17:45:14 -05:00
H. Peter Anvin
becbd66080 Various urgent EFI fixes and some warning cleanups for v3.8
* EFI boot stub fix for Macbook Pro's from Maarten Lankhorst
   * Fix an oops in efivarfs from Lingzhu Xiang
   * 32-bit warning cleanups from Jan Beulich
   * Patch to Boot on >512GB RAM systems from Nathan Zimmer
   * Set efi.runtime_version correctly
   * efivarfs updates
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Merge tag 'efi-for-3.8' into x86/efi

Various urgent EFI fixes and some warning cleanups for v3.8

  * EFI boot stub fix for Macbook Pro's from Maarten Lankhorst
  * Fix an oops in efivarfs from Lingzhu Xiang
  * 32-bit warning cleanups from Jan Beulich
  * Patch to Boot on >512GB RAM systems from Nathan Zimmer
  * Set efi.runtime_version correctly
  * efivarfs updates

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2013-01-30 14:43:05 -08:00
Trond Myklebust
ab22541782 NFS: Don't silently fail setattr() requests on mountpoints
Ensure that any setattr and getattr requests for junctions and/or
mountpoints are sent to the server. Ever since commit
0ec26fd069 (vfs: automount should ignore LOOKUP_FOLLOW), we have
silently dropped any setattr requests to a server-side mountpoint.
For referrals, we have silently dropped both getattr and setattr
requests.

This patch restores the original behaviour for setattr on mountpoints,
and tries to do the same for referrals, provided that we have a
filehandle...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
2013-01-30 17:41:04 -05:00
Jayachandran C
26f5ae865d MIPS: Netlogic: Fix UP compilation on XLR
The commit 2a37b1a "MIPS: Netlogic: Move from u32 cpumask to cpumask_t"
breaks uniprocessor compilation on XLR with:

arch/mips/netlogic/xlr/setup.c: In function 'prom_init':
arch/mips/netlogic/xlr/setup.c:196:6: error: unused variable 'i'

Fix by defining 'i' only when CONFIG_SMP is defined.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Patchwork: http://patchwork.linux-mips.org/patch/4760/
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-30 21:44:18 +01:00
Gabor Juhos
fe950df700 MIPS: AR71xx: Fix AR71XX_PCI_MEM_SIZE
The base address of the PCI memory is 0x10000000 and the base address of the
PCI configuration space is 0x17000000 on the AR71xx SoCs.

The AR71XX_PCI_MEM_SIZE is defined as 0x08000000 which is wrong because that
overlaps with the configuration space.  This patch fixes the value of the
AR71XX_PCI_MEM_SIZE constant, in order to avoid this resource conflicts.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4873/
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-30 21:43:11 +01:00
Gabor Juhos
4c960910e2 MIPS: AR724x: Fix AR724X_PCI_MEM_SIZE
The base address of the PCI memory is
0x10000000 and the base address of the
PCI configuration space is 0x14000000
on the AR724x SoCs.

The AR724X_PCI_MEM_SIZE is defined as
0x08000000 which is wrong because that
overlaps  with the configuration space.

The patch fixes the value of the
AR724X_PCI_MEM_SIZE constant, in order
to avoid this resource conflicts.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4872/
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-30 21:42:41 +01:00
John Crispin
79d61a046b MIPS: Lantiq: Fix cp0_perfcount_irq mapping
The introduction of the OF support broke the cp0_perfcount_irq mapping. This
resulted in oprofile not working anymore.

Offending commit is :

commit 3645da0276
Author: John Crispin <blogic@openwrt.org>
Date:   Tue Apr 17 10:18:32 2012 +0200

OF: MIPS: lantiq: implement irq_domain support

Signed-off-by: Conor O'Gorman <i@conorogorman.net>
Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4875/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-30 21:28:28 +01:00
Matt Fleming
e0094244e4 samsung-laptop: Disable on EFI hardware
It has been reported that running this driver on some Samsung laptops
with EFI can cause those machines to become bricked as detailed in the
following report,

	https://bugs.launchpad.net/ubuntu-cdimage/+bug/1040557

There have also been reports of this driver causing Machine Check
Exceptions on recent EFI-enabled Samsung laptops,

	https://bugzilla.kernel.org/show_bug.cgi?id=47121

So disable it if booting from EFI since this driver relies on
grovelling around in the BIOS memory map which isn't going to work.

Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Steve Langasek <steve.langasek@canonical.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2013-01-30 11:52:11 -08:00
Matt Fleming
83e6818974 efi: Make 'efi_enabled' a function to query EFI facilities
Originally 'efi_enabled' indicated whether a kernel was booted from
EFI firmware. Over time its semantics have changed, and it now
indicates whether or not we are booted on an EFI machine with
bit-native firmware, e.g. 64-bit kernel with 64-bit firmware.

The immediate motivation for this patch is the bug report at,

    https://bugs.launchpad.net/ubuntu-cdimage/+bug/1040557

which details how running a platform driver on an EFI machine that is
designed to run under BIOS can cause the machine to become
bricked. Also, the following report,

    https://bugzilla.kernel.org/show_bug.cgi?id=47121

details how running said driver can also cause Machine Check
Exceptions. Drivers need a new means of detecting whether they're
running on an EFI machine, as sadly the expression,

    if (!efi_enabled)

hasn't been a sufficient condition for quite some time.

Users actually want to query 'efi_enabled' for different reasons -
what they really want access to is the list of available EFI
facilities.

For instance, the x86 reboot code needs to know whether it can invoke
the ResetSystem() function provided by the EFI runtime services, while
the ACPI OSL code wants to know whether the EFI config tables were
mapped successfully. There are also checks in some of the platform
driver code to simply see if they're running on an EFI machine (which
would make it a bad idea to do BIOS-y things).

This patch is a prereq for the samsung-laptop fix patch.

Cc: David Airlie <airlied@linux.ie>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Peter Jones <pjones@redhat.com>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Steve Langasek <steve.langasek@canonical.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Konrad Rzeszutek Wilk <konrad@kernel.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: <stable@vger.kernel.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2013-01-30 11:51:59 -08:00
Linus Torvalds
a56e160098 Two minor correctness fixlets from Dan Carpenter and Joe Perches each.
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Merge tag 'edac_for_3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC fixlets from Borislav Petkov:
 "Two minor correctness fixlets from Dan Carpenter and Joe Perches each."

* tag 'edac_for_3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC: Fix kcalloc argument order
  EDAC: Test correct variable in ->store function
2013-01-30 22:32:48 +11:00
Linus Torvalds
58ff603bec Sound fixes for 3.8-rc6
- A collection of small ASoC driver fixes (error path fixes, register
   correction, regulator bypass mode fix, etc)
 - A few regression fixes and quirks of HD-audio (wrong page attributes
   for SG-buffer, Poulsbo/Oaktrail controller fix, digital mic fix for
   Acer, etc)
 - A fix for USB-audio UAC2 devices wrt FU length check
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Merge tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:

 - A collection of small ASoC driver fixes (error path fixes, register
   correction, regulator bypass mode fix, etc)

 - A few regression fixes and quirks of HD-audio (wrong page attributes
   for SG-buffer, Poulsbo/Oaktrail controller fix, digital mic fix for
   Acer, etc)

 - A fix for USB-audio UAC2 devices wrt FU length check

* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Fix non-snoop page handling
  ALSA: hda - Enable LPIB delay count for Poulsbo / Oaktrail
  ALSA: hda - fix inverted internal mic on Acer AOA150/ZG5
  ALSA: usb-audio: fix invalid length check for RME and other UAC 2 devices
  ALSA: hda - Add a fixup for Packard-Bell desktop with ALC880
  ASoC: wm_adsp: Release firmware on error
  ASoC: wm_adsp: Use GFP_DMA for things that may be DMAed
  ASoC: arizona: Use actual rather than desired BCLK when calculating LRCLK
  ASoC: wm2200: correct mixer values and text
  ASoC: MAINTAINERS: Update email address.
  ASoC: wm5110: Correct AEC loopback mask
  ASoC: wm5102: Correct AEC loopback mask
  ASoC: dapm: Fix sense of regulator bypass mode
  ASoC: fsl: fix multiple definition of init_module
  ASoC: arizona: Disable free-running mode on FLL1
2013-01-30 22:20:48 +11:00
Joe Perches
d3d09e1820 EDAC: Fix kcalloc argument order
First number, then size.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
2013-01-30 11:38:25 +01:00
Dan Carpenter
8024c4c0b1 EDAC: Test correct variable in ->store function
We're testing for ->show but calling ->store().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Borislav Petkov <bp@suse.de>
2013-01-30 11:38:11 +01:00
Linus Torvalds
2e51b231a8 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Intel, radeon and exynos fixes.  Nothing too major or wierd: one dmar
  fix and a radeon cursor corruption, along with misc exynos fixes."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (21 commits)
  drm/exynos: add check for the device power status
  drm/exynos: Make 'drm_hdmi_get_edid' static
  drm/exynos: fimd and ipp are broken on multiplatform
  drm/exynos: don't include plat/gpio-cfg.h
  drm/exynos: Remove "internal" interrupt handling
  drm/exynos: Add missing static specifiers in exynos_drm_rotator.c
  drm/exynos: Replace mdelay with usleep_range
  drm/exynos: Make ipp_handle_cmd_work static
  drm/exynos: Make g2d_userptr_get_dma_addr static
  drm/exynos: consider DMA_NONE flag to dmabuf import
  drm/exynos: free sg object if dma_map_sg is failed
  drm/exynos: added validation of edid for vidi connection
  drm/exynos: let drm handle edid allocations
  drm/radeon: Enable DMA_IB_SWAP_ENABLE on big endian hosts.
  drm/radeon: fix a rare case of double kfree
  radeon_display: Use pointer return error codes
  drm/radeon: fix cursor corruption on DCE6 and newer
  drm/i915: dump UTS_RELEASE into the error_state
  iommu/intel: disable DMAR for g4x integrated gfx
  drm/i915: GFX_MODE Flush TLB Invalidate Mode must be '1' for scanline waits
  ...
2013-01-30 12:02:26 +11:00
Linus Torvalds
f96736e1ba xfs: bugfixes for 3.8-rc6
- fix return value when filesystem probe finds no XFS magic, a
   regression introduced in 9802182.
 
 - fix stack switch in __xfs_bmapi_allocate by moving the check for stack
   switch up into xfs_bmapi_write.
 
 - fix oops in _xfs_buf_find by validating that the requested block is
   within the filesystem bounds.
 
 - limit speculative preallocation near ENOSPC.
 
 - fix an unmount hang in xfs_wait_buftarg by freeing the
   xfs_buf_log_item in xfs_buf_item_unlock.
 
 - fix a possible use after free with AIO.
 
 - fix xfs_swap_extents after removal of xfs_flushinval_pages, a
   regression introduced in fb59581404.
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Merge tag 'for-linus-v3.8-rc6' of git://oss.sgi.com/xfs/xfs

Pull xfs bugfixes from Ben Myers:
 "Here are fixes for returning EFSCORRUPTED on probe of a non-xfs
  filesystem, the stack switch in xfs_bmapi_allocate, a crash in
  _xfs_buf_find, speculative preallocation as the filesystem nears
  ENOSPC, an unmount hang, a race with AIO, and a regression with
  xfs_fsr:

   - fix return value when filesystem probe finds no XFS magic, a
     regression introduced in 9802182.

   - fix stack switch in __xfs_bmapi_allocate by moving the check for
     stack switch up into xfs_bmapi_write.

   - fix oops in _xfs_buf_find by validating that the requested block is
     within the filesystem bounds.

   - limit speculative preallocation near ENOSPC.

   - fix an unmount hang in xfs_wait_buftarg by freeing the
     xfs_buf_log_item in xfs_buf_item_unlock.

   - fix a possible use after free with AIO.

   - fix xfs_swap_extents after removal of xfs_flushinval_pages, a
     regression introduced in commit fb59581404a."

* tag 'for-linus-v3.8-rc6' of git://oss.sgi.com/xfs/xfs:
  xfs: Fix xfs_swap_extents() after removal of xfs_flushinval_pages()
  xfs: Fix possible use-after-free with AIO
  xfs: fix shutdown hang on invalid inode during create
  xfs: limit speculative prealloc near ENOSPC thresholds
  xfs: fix _xfs_buf_find oops on blocks beyond the filesystem end
  xfs: pull up stack_switch check into xfs_bmapi_write
  xfs: Do not return EFSCORRUPTED when filesystem probe finds no XFS magic
2013-01-30 11:59:37 +11:00
Linus Torvalds
8e5d573a6a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull one s390 fix from Martin Schwidefsky:
 "Another transparent huge page fix, we need to define a s390 variant
  for pmdp_set_wrprotect to flush the TLB for the huge page correctly."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/thp: implement pmdp_set_wrprotect()
2013-01-30 11:58:26 +11:00
Linus Torvalds
d6a3bf93d6 Pinctrl fixes for the v3.8 series:
- Revert gpio request/free backend, new patch set
   in the works, will be for v3.9. Get this old cruft
   out before anyone hurts himself on it.
 - Kconfig buzz
 - Various compile warnings
 - MPP6 value for the Kirkwood
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Merge tag 'pinctrl-fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fixes from Linus Walleij:
 "This is a late pinctrl fix pull request, we had to revert out the
  pinctrl-single GPIO backend, because of, well, design issues.  We're
  cooking a better thing for the next cycle.

   - Revert gpio request/free backend, new patch set in the works, will
     be for v3.9.  Get this old cruft out before anyone hurts himself on
     it.
   - Kconfig buzz
   - Various compile warnings
   - MPP6 value for the Kirkwood"

* tag 'pinctrl-fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: nomadik: nmk_prcm_gpiocr_get_mode may be unused
  pinctrl: exynos: don't mark probing functions as __init
  Revert "pinctrl: single: support gpio request and free"
  pinctrl: mvebu: fix MPP6 value for kirkwood driver
  pinctrl: mvebu: Fix compiler warnings
  pinctrl: pinctrl-mxs: Fix variables' definition type
  pinctrl: samsung: removing duplicated condition for PINCTRL_SAMSUNG
2013-01-30 11:34:50 +11:00
Arnd Bergmann
0fafd50e4b pinctrl: nomadik: nmk_prcm_gpiocr_get_mode may be unused
nmk_prcm_gpiocr_get_mode is only needed for debugfs output at
the moment, which can be compile-time disabled. Marking
the function __maybe_unused still gives us compile-time
coverage, but avoids a gcc warning.

Without this patch, building nhk8815_defconfig results in:

drivers/pinctrl/pinctrl-nomadik.c:676:12: warning: 'nmk_prcm_gpiocr_get_mode' defined but not used [-Wunused-function]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Jean-Nicolas Graux <jean-nicolas.graux@stericsson.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-29 23:10:30 +01:00
Arnd Bergmann
312b00e510 pinctrl: exynos: don't mark probing functions as __init
Functions called from a driver probe() method must not be
marked __init, because they may get called after the
init phase is done, when the device shows up late, or
because of deferred probing.

Without this patch, building exynos_defconfig results in
multiple warnings like:

WARNING: drivers/pinctrl/built-in.o(.text+0x51bc): Section mismatch in reference from the function exynos5440_pinctrl_probe() to the function .init.text:exynos5440_gpiolib_register()
The function exynos5440_pinctrl_probe() references
the function __init exynos5440_gpiolib_register().
This is often because exynos5440_pinctrl_probe lacks a __init
annotation or the annotation of exynos5440_gpiolib_register is wrong.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-29 23:10:11 +01:00
Maarten Lankhorst
739701888f x86, efi: remove attribute check from setup_efi_pci
It looks like the original commit that copied the rom contents from
efi always copied the rom, and the fixup in setup_efi_pci from commit
886d751a2e ("x86, efi: correct precedence of operators in
setup_efi_pci") broke that.

This resulted in macbook pro's no longer finding the rom images, and
thus not being able to use the radeon card any more.

The solution is to just remove the check for now, and always copy the
rom if available.

Reported-by: Vitaly Budovski <vbudovski+news@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Seth Forshee <seth.forshee@canonical.com>
Acked-by: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2013-01-29 17:52:06 +00:00
Takashi Iwai
9ddf1aeb21 ALSA: hda - Fix non-snoop page handling
For non-snoop mode, we fiddle with the page attributes of CORB/RIRB
and the position buffer, but also the ring buffers.  The problem is
that the current code blindly assumes that the buffer is contiguous.
However, the ring buffers may be SG-buffers, thus a wrong vmapped
address is passed there, leading to Oops.

This patch fixes the handling for SG-buffers.

Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=800701

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-01-29 18:18:00 +01:00
Takashi Iwai
f748abcc5b ALSA: hda - Enable LPIB delay count for Poulsbo / Oaktrail
Currently we use LPIB forcibly for both playback and capture for
Poulsbo and Oaktrail devices, and this seems rather problematic.
The recent fix for LPIB delay count seems working well with these
devices, so let's enable it instead.

Reported-by: Martin Weishart <martin.weishart@telosalliance.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-01-29 10:15:35 +01:00
Linus Torvalds
6abb7c2577 regulator: Fixes for v3.8-rc5
Fairly small stuff - a build failure fix for ST platforms, an error
 checking fix and an update to the MAINTAINERS file for Liam.
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Merge tag 'regulator-3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "Fairly small stuff - a build failure fix for ST platforms, an error
  checking fix and an update to the MAINTAINERS file for Liam."

* tag 'regulator-3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: tps80031: Use IS_ERR to check return value of regulator_register()
  regulators: db8500: Fix compile failure for drivers/regulator/dbx500-prcmu.c
  regulator: MAINTAINERS: update email address
2013-01-28 22:44:53 -08:00
Mark Brown
51b919bae5 Merge remote-tracking branch 'regulator/fix/lrg' into tmp 2013-01-29 11:14:41 +08:00
Mark Brown
1433d0905f Merge remote-tracking branch 'regulator/fix/tps80031' into tmp 2013-01-29 11:14:35 +08:00
Mark Brown
3c3a6aae5d Merge remote-tracking branch 'regulator/fix/db8500' into tmp 2013-01-29 11:14:28 +08:00
Linus Torvalds
fc16e884a2 Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc fixes from Benjamin Herrenschmidt:
 "Whenever you have a chance between two dives, you might want to
  consider pulling my merge branch to pickup a few fixes for 3.8 that
  have been accumulating for the last couple of weeks (I was myself
  travelling then on vacation).

  Nothing major, just a handful of powerpc bug fixes that I consider
  worth getting in before 3.8 goes final."

And I'll have everybody know that I'm not diving for several days yet.
Snif.

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Max next_tb to prevent from replaying timer interrupt
  powerpc: kernel/kgdb.c: Fix memory leakage
  powerpc/book3e: Disable interrupt after preempt_schedule_irq
  powerpc/oprofile: Fix error in oprofile power7_marked_instr_event() function
  powerpc/pasemi: Fix crash on reboot
  powerpc: Fix MAX_STACK_TRACE_ENTRIES too low warning for ppc32
2013-01-28 16:23:07 -08:00