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2011-02-23Merge branch 'devicetree/next' into spi/nextGrant Likely10-43/+8
To pick up removal of #ifdef around .of_match_table
2011-02-16spi/imx: select master mode for all channelsSascha Hauer1-3/+9
The hardware seems to have a race condition when the inactive channels are in slave mode. We support master mode only, so we can just switch all channels to master mode. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> [ukleinek: add more verbose comment about the race] Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-16spi/pl022: minor kerneldoc updatesLinus Walleij1-9/+16
Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-16spi/pl022: remove dangling status checkVirupax Sadashivpetimath1-2/+0
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-16spi/pl022: disable core voltage when idleLinus Walleij1-4/+13
This utilizes the new core voltage switch to power off the PL022 core voltage when it's not in use transmitting packets, if and only if a core voltage switch is available. Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-16spi/pl022: use dmaengine helper macrosLinus Walleij1-17/+10
This simplifies the DMA code a bit by using the dmaengine helpers. The cookie from descriptor submission can be ignored in this case as has been established in review of the MMCI/PL180 driver. Cc: Dan Williams <dan.j.williams@intel.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-16spi/bitbang: check for setup_transfer during initializationSascha Hauer1-9/+4
setup_transfer is mandatory if spi_bitbang_transfer is used, so check for it during initialization and not each time during runtime. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-15spi/bfin_spi: return immediately after skipping to next transferSonic Zhang1-0/+1
If there is an error with setting up a transfer, we need to return immediately rather than trying to continue to process things. We already set up the error states for the caller at this point. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-15spi/bfin_spi: support for multiples of 8bits with hardware CSBob Liu1-32/+71
We can do multiples of 8bit transfers when using the hardware CS and a little bit of magic, so make it work. Signed-off-by: Bob Liu <lliubbo@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-14Merge commit 'v2.6.38-rc4' into spi/nextGrant Likely1621-11510/+17169
2011-02-08Linux 2.6.38-rc4v2.6.38-rc4Linus Torvalds1-1/+1
2011-02-08Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds10-17/+119
* master.kernel.org:/home/rmk/linux-2.6-arm: ALSA: AACI: allow writes to MAINCR to take effect ARM: Update mach-types ARM: 6652/1: ep93xx: correct the end address of the AC97 memory resource ARM: mxs/imx28: remove now unused clock lookup "fec.0" ARM: mxs: fix clock base address missing ARM: mxs: acknowledge gpio irq ARM: mach-imx/mach-mx25_3ds: Fix section type ARM: imx: Add VPR200 and MX51_3DS entries to uncompress.h ARM i.MX23: use correct register for setting the rate ARM i.MX23/28: remove secondary field from struct clk. It's unused ARM i.MX28: use correct register for setting the rate ARM i.MX28: fix bit operation
2011-02-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds18-116/+371
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (33 commits) Btrfs: Fix page count calculation btrfs: Drop __exit attribute on btrfs_exit_compress btrfs: cleanup error handling in btrfs_unlink_inode() Btrfs: exclude super blocks when we read in block groups Btrfs: make sure search_bitmap finds something in remove_from_bitmap btrfs: fix return value check of btrfs_start_transaction() btrfs: checking NULL or not in some functions Btrfs: avoid uninit variable warnings in ordered-data.c Btrfs: catch errors from btrfs_sync_log Btrfs: make shrink_delalloc a little friendlier Btrfs: handle no memory properly in prepare_pages Btrfs: do error checking in btrfs_del_csums Btrfs: use the global block reserve if we cannot reserve space Btrfs: do not release more reserved bytes to the global_block_rsv than we need Btrfs: fix check_path_shared so it returns the right value btrfs: check return value of btrfs_start_ioctl_transaction() properly btrfs: fix return value check of btrfs_join_transaction() fs/btrfs/inode.c: Add missing IS_ERR test btrfs: fix missing break in switch phrase btrfs: fix several uncheck memory allocations ...
2011-02-08Merge branch 'merge' of ↵Linus Torvalds6-52/+94
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Fix hcall tracepoint recursion powerpc/numa: Fix bug in unmap_cpu_from_node powerpc/numa: Disable VPHN on dedicated processor partitions powerpc/numa: Add length when creating OF properties via VPHN powerpc/numa: Check for all VPHN changes powerpc/numa: Only use active VPHN count fields powerpc/pseries: Remove unnecessary variable initializations in numa.c powerpc/pseries: Fix brace placement in numa.c powerpc/pseries: Fix typo in VPHN comments powerpc: Fix some 6xx/7xxx CPU setup functions powerpc: Pass the right cpu_spec to ->setup_cpu() on 64-bit powerpc/book3e: Protect complex macro args in mmu-book3e.h powerpc: Fix pfn_valid() when memory starts at a non-zero address
2011-02-08Merge branch 'omap-fixes-for-linus' of ↵Linus Torvalds9-38/+39
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: arm: omap4: panda: remove usb_nop_xceiv_register(v1) OMAP1: Fix non-working LCD on OMAP310 OMAP3: Devkit8000: Change lcd power pin omap1: remove duplicated #include arm: mach-omap2: mux: free allocated memory on error exit arm: mach-omap2: board-rm680: fix rm680_vemmc regulator constraints OMAP: PM: SmartReflex: Fix possible null pointer read access OMAP: PM: SmartReflex: Fix possible memory leak arm: mach-omap2: voltage: debugfs: fix memory leak OMAP3: PM: fix save secure RAM to restore MPU power state OMAP: PM: SmartReflex: Add missing IS_ERR test
2011-02-08Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds1-3/+10
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, nx: Mark the ACPI resume trampoline code as +x
2011-02-08CRED: Fix memory and refcount leaks upon security_prepare_creds() failureTetsuo Handa1-2/+2
In prepare_kernel_cred() since 2.6.29, put_cred(new) is called without assigning new->usage when security_prepare_creds() returned an error. As a result, memory for new and refcount for new->{user,group_info,tgcred} are leaked because put_cred(new) won't call __put_cred() unless old->usage == 1. Fix these leaks by assigning new->usage (and new->subscribers which was added in 2.6.32) before calling security_prepare_creds(). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-08CRED: Fix BUG() upon security_cred_alloc_blank() failureTetsuo Handa2-5/+13
In cred_alloc_blank() since 2.6.32, abort_creds(new) is called with new->security == NULL and new->magic == 0 when security_cred_alloc_blank() returns an error. As a result, BUG() will be triggered if SELinux is enabled or CONFIG_DEBUG_CREDENTIALS=y. If CONFIG_DEBUG_CREDENTIALS=y, BUG() is called from __invalid_creds() because cred->magic == 0. Failing that, BUG() is called from selinux_cred_free() because selinux_cred_free() is not expecting cred->security == NULL. This does not affect smack_cred_free(), tomoyo_cred_free() or apparmor_cred_free(). Fix these bugs by (1) Set new->magic before calling security_cred_alloc_blank(). (2) Handle null cred->security in creds_are_invalid() and selinux_cred_free(). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds5-18/+28
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: remove checks for ses->status == CifsExiting cifs: add check for kmalloc in parse_dacl cifs: don't send an echo request unless NegProt has been done cifs: enable signing flag in SMB header when server has it on cifs: Possible slab memory corruption while updating extended stats (repost) CIFS: Fix variable types in cifs_iovec_read/write (try #2) cifs: fix length vs. total_read confusion in cifs_demultiplex_thread
2011-02-07Btrfs: Fix page count calculationYan, Zheng1-4/+4
take offset of start position into account when calculating page count. Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-02-07Merge branch 'fixes'Russell King9-13/+18
2011-02-07cifs: remove checks for ses->status == CifsExitingJeff Layton1-4/+1
ses->status is never set to CifsExiting, so these checks are always false. Tested-by: JG <jg@cms.ac> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-02-07Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into fixesRussell King7-11/+10
2011-02-07ALSA: AACI: allow writes to MAINCR to take effectRussell King1-1/+7
The AACI TRM requires the MAINCR enable bit to be held zero for two bitclk cycles plus three apb_pclk cycles. Use a delay of 1us to ensure this. Ensure that writes to MAINCR to change the addressed codec only happen when required, and that they take effect in a similar manner to the above, otherwise we seem to occasionally have stuck slot busy bits. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-07ARM: Update mach-typesRussell King1-4/+101
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-07x86, nx: Mark the ACPI resume trampoline code as +xH. Peter Anvin1-3/+10
We reserve lowmem for the things that need it, like the ACPI wakeup code, way early to guarantee availability. This happens before we set up the proper pagetables, so set_memory_x() has no effect. Until we have a better solution, use an initcall to mark the wakeup code executable. Originally-by: Matthieu Castet <castet.matthieu@free.fr> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Matthias Hopf <mhopf@suse.de> Cc: rjw@sisk.pl Cc: Suresh Siddha <suresh.b.siddha@intel.com> LKML-Reference: <4D4F8019.2090104@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-02-07powerpc: Fix hcall tracepoint recursionAnton Blanchard1-0/+37
Spinlocks on shared processor partitions use H_YIELD to notify the hypervisor we are waiting on another virtual CPU. Unfortunately this means the hcall tracepoints can recurse. The patch below adds a percpu depth and checks it on both the entry and exit hcall tracepoints. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: stable@kernel.org
2011-02-07powerpc/numa: Fix bug in unmap_cpu_from_nodeAnton Blanchard1-1/+1
When converting to the new cpumask code I screwed up: - if (cpu_isset(cpu, numa_cpumask_lookup_table[node])) { - cpu_clear(cpu, numa_cpumask_lookup_table[node]); + if (cpumask_test_cpu(cpu, node_to_cpumask_map[node])) { + cpumask_set_cpu(cpu, node_to_cpumask_map[node]); This was introduced in commit 25863de07af9 (powerpc/cpumask: Convert NUMA code to new cpumask API) Fix it. Signed-off-by: Anton Blanchard <anton@samba.org> Cc: <stable@kernel.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc/numa: Disable VPHN on dedicated processor partitionsAnton Blanchard1-1/+2
There is no need to start up the timer and monitor topology changes on a dedicated processor partition, so disable it. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc/numa: Add length when creating OF properties via VPHNAnton Blanchard1-3/+9
The rest of the NUMA code expects an OF associativity property with the first cell containing the length. Without this fix all topology changes cause us to misparse the property and put the cpu into node 0. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc/numa: Check for all VPHN changesAnton Blanchard1-1/+1
The hypervisor uses unsigned 1 byte counters to signal topology changes to the OS. Since they can wrap we need to check for any difference, not just if the hypervisor count is greater than the previous count. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc/numa: Only use active VPHN count fieldsAnton Blanchard1-4/+6
VPHN supports up to 8 distance fields but the number of entries in ibm,associativity-reference-points signifies how many are in use. Don't look at all the VPHN counts, only distance_ref_points_depth worth. Since we already cap our distance metrics at MAX_DISTANCE_REF_POINTS, use that to size the VPHN arrays and add a BUILD_BUG_ON to avoid it growing larger than the VPHN maximum of 8. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc/pseries: Remove unnecessary variable initializations in numa.cJesse Larrew1-9/+8
Remove unnecessary variable initializations in VPHN functions. Signed-off-by: Jesse Larrew <jlarrew@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc/pseries: Fix brace placement in numa.cJesse Larrew1-6/+3
Fix brace placement in VPHN code. Signed-off-by: Jesse Larrew <jlarrew@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc/pseries: Fix typo in VPHN commentsJesse Larrew1-1/+1
Correct a spelling error in VPHN comments in numa.c. Signed-off-by: Jesse Larrew <jlarrew@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc: Fix some 6xx/7xxx CPU setup functionsBenjamin Herrenschmidt1-20/+20
Some of those functions try to adjust the CPU features, for example to remove NAP support on some revisions. However, they seem to use r5 as an index into the CPU table entry, which might have been right a long time ago but no longer is. r4 is the right register to use. This probably caused some off behaviours on some PowerMac variants using 750cx or 7455 processor revisions. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: stable@kernel.org
2011-02-07powerpc: Pass the right cpu_spec to ->setup_cpu() on 64-bitBenjamin Herrenschmidt1-2/+2
When calling setup_cpu() on 64-bit, we pass a pointer to the cputable entry we have found. This used to be fine when cur_cpu_spec was a pointer to that entry, but nowadays, we copy the entry into a separate variable, and we do so before we call the setup_cpu() callback. That means that any attempt by that callback at patching the CPU table entry (to adjust CPU features for example) will patch the wrong table. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc/book3e: Protect complex macro args in mmu-book3e.hScott Wood1-4/+4
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-07powerpc: Fix pfn_valid() when memory starts at a non-zero addressScott Wood1-1/+1
max_mapnr is a pfn, not an index innto mem_map[]. So don't add ARCH_PFN_OFFSET a second time. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-02-06Merge branch 'ixp4xx' of ↵Linus Torvalds4-13/+11
git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 * 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6: arm/ixp4xx: Rename FREQ macro to avoid collisions IXP4xx: Fix qmgr_release_queue() flushing unexpected queue entries.
2011-02-06Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds3-1/+9
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: lockdep, timer: Fix del_timer_sync() annotation RTC: Prevents a division by zero in kernel code.
2011-02-06Merge branch 'irq-fixes-for-linus' of ↵Linus Torvalds2-2/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: m32r: Fixup last __do_IRQ leftover genirq: Add missing status flags to modification mask
2011-02-06Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds11-95/+106
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf stat: Fix aggreate counter reading accounting tracing: Replace syscall_meta_data struct array with pointer array tracepoints: Fix section alignment using pointer array tracing: Replace trace_event struct array with pointer array
2011-02-06Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds6-33/+26
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86-32: Make sure the stack is set up before we use it x86, mtrr: Avoid MTRR reprogramming on BP during boot on UP platforms x86, nx: Don't force pages RW when setting NX bits
2011-02-06Merge branch 'for-linus' of ↵Linus Torvalds14-79/+138
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: use linux/io.h to fix compile warnings ALSA: hda - Fix memory leaks in conexant jack arrays ASoC: CX20442: fix NULL pointer dereference ASoC: Amstrad Delta: fix const related build error ALSA: oxygen: fix output routing on Xonar DG sound: silent echo'ed messages in Makefile ASoC: Fix mask/val_mask confusion snd_soc_dapm_put_volsw() ASoC: DaVinci: fix kernel panic due to uninitialized platform_data ALSA: HDA: Fix microphone(s) on Lenovo Edge 13 ASoC: Fix module refcount for auxiliary devices ALSA: HDA: cxt5066 - Use asus model for Asus U50F, select correct SPDIF output ALSA: HDA: Add a new model "asus" for Conexant 5066/205xx ALSA: HDA: Refactor some redundant code for Conexant 5066/205xx
2011-02-06arm/ixp4xx: Rename FREQ macro to avoid collisionsBen Hutchings3-9/+6
FREQ is a ridiculously short name for a platform-specific macro in a generic header, and it now conflicts with an enumeration in the gspca/ov519 driver. Also delete conditional reference to ixp4xx_get_board_tick_rate() which is not defined anywhere. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
2011-02-06IXP4xx: Fix qmgr_release_queue() flushing unexpected queue entries.Krzysztof Hałasa1-4/+5
Queues should be empty when released, if not, there is a safety valve. Make sure the queue is usable after it triggers. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
2011-02-06btrfs: Drop __exit attribute on btrfs_exit_compressAlexey Charkov1-1/+1
As this function is called in some error paths while not removing the module, the __exit attribute prevents the kernel image from linking when btrfs is compiled in statically. Signed-off-by: Alexey Charkov <alchark@gmail.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-02-06btrfs: cleanup error handling in btrfs_unlink_inode()Tsutomu Itoh1-1/+1
When btrfs_alloc_path() fails, btrfs_free_path() need not be called. Therefore, it changes the branch ahead. Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-02-06Btrfs: exclude super blocks when we read in block groupsJosef Bacik1-8/+18
This has been resulting in a BUT_ON(ret) after btrfs_reserve_extent in btrfs_cow_file_range. The reason is we don't actually calculate the bytes_super for a block group until we go to cache it, which means that the space_info can hand out reservations for space that it doesn't actually have, and we can run out of data space. This is also a problem if you are using space caching since we don't ever calculate bytes_super for the block groups. So instead everytime we read a block group call exclude_super_stripes, which calculates the bytes_super for the block group so it can be left out of the space_info. Then whenever caching completes we just call free_excluded_extents so that the super excluded extents are freed up. Also if we are unmounting and we hit any block groups that haven't been cached we still need to call free_excluded_extents to make sure things are cleaned up properly. Thanks, Reported-by: Arne Jansen <sensille@gmx.net> Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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