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2011-08-10crypto: sha1 - export sha1_update for reuseMathias Krause2-4/+8
Export the update function as crypto_sha1_update() to not have the need to reimplement the same algorithm for each SHA-1 implementation. This way the generic SHA-1 implementation can be used as fallback for other implementations that fail to run under certain circumstances, like the need for an FPU context while executing in IRQ context. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-10crypto: picoxcell - fix possible invalid pointer dereferenceJamie Iles1-1/+1
The completion callback will free the request so we must remove it from the completion list before calling the callback. Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-10crypto: picoxcell - support for device tree matchingJamie Iles2-6/+53
Allow the crypto engines to be matched from device tree bindings. Cc: devicetree-discuss@lists.ozlabs.org Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-10crypto: picoxcell - add connection ID to the clock nameJamie Iles1-1/+1
For using the device tree probing we use a connection ID for the clk_get() operation. Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-10crypto: picoxcell - convert to platform ID tableJamie Iles1-60/+33
Use a platform ID table and a single platform_driver. It's neater and makes the device tree addition easier and more consistent. Rename the match values to be inline with what they'll be in the device tree bindings. There aren't any current in-tree users of the existing device names. Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-03crypto: padlock-aes - Make module loading even quieter when hardware is missingJonathan Nieder1-3/+1
When loading aes via the module alias, a padlock module failing to load due to missing hardware is not particularly notable. With v2.6.27-rc1~1107^2~14 (crypto: padlock - Make module loading quieter when hardware isn't available, 2008-07-03), the padlock-aes module suppresses the relevant messages when the "quiet" flag is in use; but better to suppress this particular message completely, since the administrator can already distinguish such errors by the absence of a message indicating initialization failing or succeeding. This avoids occasional messages in syslog of the form padlock_aes: VIA PadLock not detected. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-01oom: task->mm == NULL doesn't mean the memory was freedOleg Nesterov1-1/+3
exit_mm() sets ->mm == NULL then it does mmput()->exit_mmap() which frees the memory. However select_bad_process() checks ->mm != NULL before TIF_MEMDIE, so it continues to kill other tasks even if we have the oom-killed task freeing its memory. Change select_bad_process() to check ->mm after TIF_MEMDIE, but skip the tasks which have already passed exit_notify() to ensure a zombie with TIF_MEMDIE set can't block oom-killer. Alternatively we could probably clear TIF_MEMDIE after exit_mmap(). Signed-off-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-01Merge branch 'for-linus' of ↵Linus Torvalds9-202/+311
git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: (23 commits) regulator: Improve WM831x DVS VSEL selection algorithm regulator: Bootstrap wm831x DVS VSEL value from ON VSEL if not already set regulator: Set up GPIO for WM831x VSEL before enabling VSEL mode regulator: Add EPEs to the MODULE_ALIAS() for wm831x-dcdc regulator: Fix WM831x DCDC DVS VSEL bootstrapping regulator: Fix WM831x regulator ID lookups for multiple WM831xs regulator: Fix argument format type errors in error prints regulator: Fix memory leak in set_machine_constraints() error paths regulator: Make core more chatty about some errors regulator: tps65910: Fix array access out of bounds bug regulator: tps65910: Add missing breaks in switch/case regulator: tps65910: Fix a memory leak in tps65910_probe error path regulator: TWL: Remove entry of RES_ID for 6030 macros ASoC: tlv320aic3x: Add correct hw registers to Line1 cross connect muxes regulator: Add basic per consumer debugfs regulator: Add rdev_crit() macro regulator: Refactor supply implementation to work as regular consumers regulator: Include the device name in the microamps_requested_ file regulator: Increase the limit on sysfs file names regulator: Properly register dummy regulator driver ...
2011-08-01Merge branch 'for_linus' of ↵Linus Torvalds22-1972/+2190
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (60 commits) ext4: prevent memory leaks from ext4_mb_init_backend() on error path ext4: use EXT4_BAD_INO for buddy cache to avoid colliding with valid inode # ext4: use ext4_msg() instead of printk in mballoc ext4: use ext4_kvzalloc()/ext4_kvmalloc() for s_group_desc and s_group_info ext4: introduce ext4_kvmalloc(), ext4_kzalloc(), and ext4_kvfree() ext4: use the correct error exit path in ext4_init_inode_table() ext4: add missing kfree() on error return path in add_new_gdb() ext4: change umode_t in tracepoint headers to be an explicit __u16 ext4: fix races in ext4_sync_parent() ext4: Fix overflow caused by missing cast in ext4_fallocate() ext4: add action of moving index in ext4_ext_rm_idx for Punch Hole ext4: simplify parameters of reserve_backup_gdb() ext4: simplify parameters of add_new_gdb() ext4: remove lock_buffer in bclean() and setup_new_group_blocks() ext4: simplify journal handling in setup_new_group_blocks() ext4: let setup_new_group_blocks() set multiple bits at a time ext4: fix a typo in ext4_group_extend() ext4: let ext4_group_add_blocks() handle 0 blocks quickly ext4: let ext4_group_add_blocks() return an error code ext4: rename ext4_add_groupblocks() to ext4_group_add_blocks() ... Fix up conflict in fs/ext4/inode.c: commit aacfc19c626e ("fs: simplify the blockdev_direct_IO prototype") had changed the ext4_ind_direct_IO() function for the new simplified calling convention, while commit dae1e52cb126 ("ext4: move ext4_ind_* functions from inode.c to indirect.c") moved the function to another file.
2011-08-01Merge branch 'for-linus' of ↵Linus Torvalds31-150/+161
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: xfs: Fix build breakage in xfs_iops.c when CONFIG_FS_POSIX_ACL is not set VFS: Reorganise shrink_dcache_for_umount_subtree() after demise of dcache_lock VFS: Remove dentry->d_lock locking from shrink_dcache_for_umount_subtree() VFS: Remove detached-dentry counter from shrink_dcache_for_umount_subtree() switch posix_acl_chmod() to umode_t switch posix_acl_from_mode() to umode_t switch posix_acl_equiv_mode() to umode_t * switch posix_acl_create() to umode_t * block: initialise bd_super in bdget() vfs: avoid call to inode_lru_list_del() if possible vfs: avoid taking inode_hash_lock on pipes and sockets vfs: conditionally call inode_wb_list_del() VFS: Fix automount for negative autofs dentries Btrfs: load the key from the dir item in readdir into a fake dentry devtmpfs: missing initialialization in never-hit case hppfs: missing include
2011-08-01Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds17-399/+612
* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (37 commits) Improve slave/cyclic DMA engine documentation dmaengine: pl08x: handle the rest of enums in pl08x_width DMA: PL08x: cleanup selection of burst size DMA: PL08x: avoid recalculating cctl at each prepare DMA: PL08x: cleanup selection of buswidth DMA: PL08x: constify plchan->cd and plat->slave_channels DMA: PL08x: separately store source/destination cctl DMA: PL08x: separately store source/destination slave address DMA: PL08x: clean up LLI debugging DMA: PL08x: select LLI bus only once per LLI setup DMA: PL08x: remove unused constants ARM: mxs-dma: reset after disable channel dma: intel_mid_dma: remove redundant pci_set_drvdata calls dma: mxs-dma: fix unterminated platform_device_id table dmaengine: pl330: make platform data optional dmaengine: imx-sdma: return proper error if kzalloc fails pch_dma: Fix CTL register access issue dmaengine: mxs-dma: skip request_irq for NO_IRQ dmaengine/coh901318: fix slave submission semantics dmaengine/ste_dma40: allow memory buswidth/burst to be configured ... Fix trivial whitespace conflict in drivers/dma/mv_xor.c
2011-08-01Merge branch 'gpiolib' of ↵Linus Torvalds2-0/+59
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'gpiolib' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Hook up gpiolib support
2011-08-01Merge branch 'pstore-efi' of ↵Linus Torvalds9-34/+296
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'pstore-efi' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: efivars: Introduce PSTORE_EFI_ATTRIBUTES efivars: Use string functions in pstore_write efivars: introduce utf16_strncmp efivars: String functions efi: Add support for using efivars as a pstore backend pstore: Allow the user to explicitly choose a backend pstore: Make "part" unsigned pstore: Add extra context for writes and erases pstore: Extend API for more flexibility in new backends
2011-08-01Merge branch 'for_linus' of ↵Linus Torvalds7-42/+53
git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: kdb,kgdb: Allow arbitrary kgdb magic knock sequences kdb: Remove all references to DOING_KGDB2 kdb,kgdb: Implement switch and pass buffer from kdb -> gdb kdb: cleanup unused variables missed in the original kdb merge
2011-08-01ext4: prevent memory leaks from ext4_mb_init_backend() on error pathYu Jian1-6/+6
In ext4_mb_init(), if the s_locality_group allocation fails it will currently cause the allocations made in ext4_mb_init_backend() to be leaked. Moving the ext4_mb_init_backend() allocation after the s_locality_group allocation avoids that problem. Signed-off-by: Yu Jian <yujian@whamcloud.com> Signed-off-by: Andreas Dilger <adilger@whamcloud.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-08-01ext4: use EXT4_BAD_INO for buddy cache to avoid colliding with valid inode #Yu Jian1-1/+5
Signed-off-by: Yu Jian <yujian@whamcloud.com> Signed-off-by: Andreas Dilger <adilger@whamcloud.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-08-01ext4: use ext4_msg() instead of printk in mballocTheodore Ts'o1-37/+42
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-08-01kdb,kgdb: Allow arbitrary kgdb magic knock sequencesJason Wessel1-8/+20
The first packet that gdb sends when the kernel is in kdb mode seems to change with every release of gdb. Instead of continuing to add many different gdb packets, change kdb to automatically look for any thing that looks like a gdb packet. Example 1 cold start test: echo g > /proc/sysrq-trigger $D#44+ Example 2 cold start test: echo g > /proc/sysrq-trigger $3#33 The second one should re-enter kdb's shell right away and is purely a test. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2011-08-01kdb: Remove all references to DOING_KGDB2Jason Wessel4-7/+3
The DOING_KGDB2 was originally a state variable for one of the two ways to automatically transition from kdb to kgdb. Purge all these variables and just use one single state for the transition. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2011-08-01kdb,kgdb: Implement switch and pass buffer from kdb -> gdbJason Wessel4-21/+29
When switching from kdb mode to kgdb mode packets were getting lost depending on the size of the fifo queue of the serial chip. When gdb initially connects if it is in kdb mode it should entirely send any character buffer over to the gdbstub when switching connections. Previously kdb was zero'ing out the character buffer and this could lead to gdb failing to connect at all, or a lengthy pause could occur on the initial connect. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2011-08-01kdb: cleanup unused variables missed in the original kdb mergeJason Wessel3-8/+3
The BTARGS and BTSYMARG variables do not have any function in the mainline version of kdb. Reported-by: Tim Bird <tim.bird@am.sony.com> Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2011-08-01Merge branch 'for-next' into for-linusLiam Girdwood10-215/+332
2011-08-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds9-376/+370
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: CIFS: Cleanup demupltiplex thread exiting code CIFS: Move mid search to a separate function CIFS: Move RFC1002 check to a separate function CIFS: Simplify socket reading in demultiplex thread CIFS: Move buffer allocation to a separate function cifs: remove unneeded variable initialization in cifs_reconnect_tcon cifs: simplify refcounting for oplock breaks cifs: fix compiler warning in CIFSSMBQAllEAs cifs: fix name parsing in CIFSSMBQAllEAs cifs: don't start signing too early cifs: trivial: goto out here is unnecessary cifs: advertise the right receive buffer size to the server
2011-08-01Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds18-707/+732
* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6: gpio_msm: Move Qualcomm MSM v2 gpio driver into drivers gpio_msm: Move Qualcomm v6 MSM driver into drivers msm: gpio: Fold register defs into C file msm: gpiomux: Move public API to public header msm: gpio: Remove ifdefs on gpio chip registers msm: gpio: Remove chip-specific register definitions msm: Remove chip-ifdefs for GPIO io mappings msm: gpio: Remove unsupported devices gpio: ab8500: fix MODULE_ALIAS for ab8500 of/gpio: export of_gpio_simple_xlate
2011-08-01Merge branch 'for-3.1-rc1' of git://gitorious.org/linux-omap-dss2/linuxLinus Torvalds23-1355/+1639
* 'for-3.1-rc1' of git://gitorious.org/linux-omap-dss2/linux: (31 commits) OMAP: DSS2: HDMI: fix hdmi clock name HACK: OMAP: DSS2: clk hack for OMAP2/3 OMAP: DSS2: DSS: Fix context save/restore OMAP: DSS2: DISPC: Fix context save/restore OMAP: DSS2: Remove ctx loss count from dss.c OMAP: DSS2: Remove unused code from display.c OMAP: DSS2: DISPC: remove finegrained clk enables/disables OMAP: DSS2: Remove unused opt_clock_available OMAP: DSS2: Use PM runtime & HWMOD support OMAP: DSS2: Remove CONFIG_OMAP2_DSS_SLEEP_BEFORE_RESET OMAP: DSS2: Remove core_dump_clocks OMAP: DSS2: DPI: remove unneeded SYSCK enable/disable OMAP: DSS2: Use omap_pm_get_dev_context_loss_count to get ctx loss count OMAP: DSS2: rewrite use of context_loss_count OMAP: DSS2: Remove clk optimization at dss init OMAP: DSS2: Fix init and unit sequence OMAP: DSS2: Clean up probe for DSS & DSI OMAP: DSS2: Handle dpll4_m4_ck in dss_get/put_clocks OMAP: DSS2: Fix FIFO threshold and burst size for OMAP4 OMAP: DSS2: DSI: sync when disabling a display ...
2011-08-01Merge branch 'sh-latest' of ↵Linus Torvalds54-1188/+962
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x * 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x: (39 commits) SH: static should be at beginning of declaration sh: move CLKDEV_xxx_ID macro to sh_clk.h sh: clock-shx3: add CLKDEV_ICK_ID for cleanup sh: clock-sh7786: add CLKDEV_ICK_ID for cleanup sh: clock-sh7785: add CLKDEV_ICK_ID for cleanup sh: clock-sh7757: add CLKDEV_ICK_ID for cleanup sh: clock-sh7366: add CLKDEV_ICK_ID for cleanup sh: clock-sh7343: add CLKDEV_ICK_ID for cleanup sh: clock-sh7722: add CLKDEV_ICK_ID for cleanup sh: clock-sh7724: add CLKDEV_ICK_ID for cleanup sh: clock-sh7366: modify I2C clock settings sh: clock-sh7343: modify I2C clock settings sh: clock-sh7723: modify I2C clock settings sh: clock-sh7722: modify I2C clock settings sh: clock-sh7724: modify I2C clock settings serial: sh-sci: Fix up pretty name printing for port IRQs. serial: sh-sci: Kill off per-port enable/disable callbacks. serial: sh-sci: Add missing module description/author bits. serial: sh-sci: Regtype probing doesn't need to be fatal. sh: Tidy up pre-clkdev clk_get() error handling. ...
2011-08-01Merge branch 'msm-move-gpio' of ↵Grant Likely15-704/+719
git://codeaurora.org/quic/kernel/davidb/linux-msm into gpio/next Conflicts: drivers/gpio/Kconfig drivers/gpio/Makefile
2011-08-01CIFS: Cleanup demupltiplex thread exiting codePavel Shilovsky1-77/+96
Reviewed-and-Tested-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-08-01CIFS: Move mid search to a separate functionPavel Shilovsky1-65/+61
Reviewed-and-Tested-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-08-01CIFS: Move RFC1002 check to a separate functionPavel Shilovsky1-49/+67
Reviewed-and-Tested-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-08-01CIFS: Simplify socket reading in demultiplex threadPavel Shilovsky1-83/+71
Move reading to separate function and remove csocket variable. Also change semantic in a little: goto incomplete_rcv only when we get -EAGAIN (or a familiar error) while reading rfc1002 header. In this case we don't check for echo timeout when we don't get whole header at once, as it was before. Reviewed-and-Tested-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-08-01ext4: use ext4_kvzalloc()/ext4_kvmalloc() for s_group_desc and s_group_infoTheodore Ts'o3-13/+15
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-08-01ext4: introduce ext4_kvmalloc(), ext4_kzalloc(), and ext4_kvfree()Theodore Ts'o2-18/+39
Introduce new helper functions which try kmalloc, and then fall back to vmalloc if necessary, and use them for allocating and deallocating s_flex_groups. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-08-01CIFS: Move buffer allocation to a separate functionPavel Shilovsky1-37/+55
Reviewed-and-Tested-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-08-01gpio_msm: Move Qualcomm MSM v2 gpio driver into driversDavid Brown5-8/+12
Migrate the driver for the v7-based MSM chips into drivers/gpio. The driver is unchanged, only moved. Change-Id: I810db5b50b71cdca4e869aa0d0310f7f48781a55 Signed-off-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-08-01gpio_msm: Move Qualcomm v6 MSM driver into driversDavid Brown5-5/+14
Migrate the driver for the v6-based MSM chips into drivers/gpio. The driver is unchanged, only moved. Change-Id: I03ba597b95b4d62b42da112a8efac88d67aa40f9 Signed-off-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-08-01msm: gpio: Fold register defs into C fileDavid Brown2-273/+250
No need to have a separate header file containing only register definitions that are used by a single driver. Fold these into the gpio driver. Signed-off-by: David Brown <davidb@codeaurora.org>
2011-08-01msm: gpiomux: Move public API to public headerDavid Brown3-17/+40
The gpiomux.h header contains some SOC ifdefs. However, the API that is actually used by the GPIO driver only uses two functions that are general. Move these general definitions into a public header file. Change-Id: Ia5df8af87dba268225598d56908e523bcfc24ef6 Signed-off-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-08-01msm: gpio: Remove ifdefs on gpio chip registersDavid Brown1-7/+26
Select the GPIO register configuration at runtime rather than through idefs. Change-Id: I02ea0a3d61bc81669f32097c32420f0688552231 Signed-off-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-08-01msm: gpio: Remove chip-specific register definitionsDavid Brown2-226/+220
Put an SOC prefix on each GPIO register definition, eliminating the need to have SOC ifdefs around the definitions. Change-Id: I5a01fd328a89ce1be610847934d6e118f5465e42 Signed-off-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-08-01msm: Remove chip-ifdefs for GPIO io mappingsDavid Brown5-24/+20
The two GPIO controllers are always mapped to the same virtual address across all MSM devices. Instead of selecting this at compile time, determine the physical address at runtime, eliminating yet something else preventing multiple MSM targets from being compiled into the same kernel. Change-Id: I1672219d978ab6243526adeda6badf49472baa27 Signed-off-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-08-01msm: gpio: Remove unsupported devicesDavid Brown1-7/+0
The MSM7x25 and MSM7x27 devices are not yet supported in the kernel. Remove #ifdef-based tables supporting these chips for now. Change-Id: I4d9f5abc4cc0942ce75a067097b072489493c1b8 Signed-off-by: David Brown <davidb@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-08-01OMAP: DSS2: HDMI: fix hdmi clock nameTomi Valkeinen1-2/+2
The HDMI clock (hdmi_clk) is missing in the current OMAP4 HWMOD database. Fix this in the DSS driver by using the old clock name (dss_48mhz_clk). Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2011-08-01HACK: OMAP: DSS2: clk hack for OMAP2/3Tomi Valkeinen5-3/+19
The HWMOD data for OMAP2 and 3 are currently not up to date regarding DSS (OMAP4 HWMOD data is fine). This patch makes the DSS driver to get the opt clocks needed for OMAP2/3 with the old clock names, thus allowing DSS driver to use runtime PM. The HWMOD databases should be fixes ASAP, and this patch can be reverted after that. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2011-08-01ext4: use the correct error exit path in ext4_init_inode_table()Yongqiang Yang1-1/+1
This patch lets ext4_init_inode_table() handle errors right. ext4_init_inode_table() should down_write() alloc_sem which has been up_write()ed and stop the started journal handle. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-08-01xfs: Fix build breakage in xfs_iops.c when CONFIG_FS_POSIX_ACL is not setMarkus Trippelsdorf1-1/+4
commit 4e34e719e45, that takes the ACL checks to common code, accidentely broke the build when CONFIG_FS_POSIX_ACL is not set: CC fs/xfs/linux-2.6/xfs_iops.o fs/xfs/linux-2.6/xfs_iops.c:1025:14: error: ‘xfs_get_acl’ undeclared here (not in a function) Fix this by declaring xfs_get_acl a static inline function. Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-08-01VFS: Reorganise shrink_dcache_for_umount_subtree() after demise of dcache_lockDavid Howells1-17/+5
Reorganise shrink_dcache_for_umount_subtree() in light of the demise of dcache_lock. Without that dcache_lock, there is no need for the batching of removal of dentries from the system under it (we wanted to make intensive use of the locked data whilst we held it, but didn't want to hold it for long at a time). This works, provided the preceding patch is correct in its removal of locking on dentry->d_lock on the basis that no one should be locking these dentries any more as the whole superblock is defunct. With this patch, the calls to dentry_lru_del() and __d_shrink() are placed at the point where each dentry is detached handled. It is possible that, as an alternative, the batching should still be done - but only for dentry_lru_del() of all a dentry's children in one go. In such a case, the batching would be done under dcache_lru_lock. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-08-01VFS: Remove dentry->d_lock locking from shrink_dcache_for_umount_subtree()David Howells1-24/+24
Locks of the dcache_lock were replaced by locks of dentry->d_lock in commits such as: 2304450783dfde7b0b94ae234edd0dbffa865073 2fd6b7f50797f2e993eea59e0a0b8c6399c811dc as part of the RCU-based pathwalk changes, despite the fact that the caller (shrink_dcache_for_umount()) notes in the banner comment the reasons that d_lock is not necessary in these functions: /* * destroy the dentries attached to a superblock on unmounting * - we don't need to use dentry->d_lock because: * - the superblock is detached from all mountings and open files, so the * dentry trees will not be rearranged by the VFS * - s_umount is write-locked, so the memory pressure shrinker will ignore * any dentries belonging to this superblock that it comes across * - the filesystem itself is no longer permitted to rearrange the dentries * in this superblock */ So remove these locks. If the locks are actually necessary, then this banner comment should be altered instead. The hash table chains are protected by 1-bit locks in the hash table heads, so those shouldn't be a problem. Note that to make this work, __d_drop() has to be split so that the RCUwalk barrier can be avoided. This causes problems otherwise as it has an assertion that dentry->d_lock is locked - but there is no need for that as no one else can be trying to access this dentry, except to step over it (and that should be handled by d_free(), I think). Signed-off-by: David Howells <dhowells@redhat.com> Cc: Nick Piggin <npiggin@kernel.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-08-01VFS: Remove detached-dentry counter from shrink_dcache_for_umount_subtree()David Howells1-3/+0
Remove the detached-dentry counter from shrink_dcache_for_umount_subtree() as the value it computes is no longer used as of commit 312d3ca856d369bb04d0443846b85b4cdde6fa8a which made the nr_dentry counters summed per-CPU rather than global atomic. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-08-01switch posix_acl_chmod() to umode_tAl Viro2-3/+3
again, that's what all callers pass to it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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