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2010-08-12CRIS: Define io_remap_pfn_range as remap_pfn_rangeJesper Nilsson1-0/+3
CRIS don't need any special mapping for io, but didn't define this, meaning that all uses of io_remap_pfn_range lead to compile errors. This fixes a compile error introduced in CRIS when drivers/mtd/mtdchar.c mmap handling was changed in commit dd02b67d5e9e7896891fa27eb5db65f55a290998 Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2010-08-09CRIS: ioctl for getting RS485 informationClaudio Scordino2-0/+12
Add ioctl to CRIS serial driver to get RS485 data from user-space. Signed-off-by: Claudio Scordino <claudio@evidence.eu.com> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2010-08-01Linux 2.6.35v2.6.35Linus Torvalds1-1/+1
2010-08-01NFS: Fix a typo in include/linux/nfs_fs.hTrond Myklebust2-5/+6
nfs_commit_inode() needs to be defined irrespectively of whether or not we are supporting NFSv3 and NFSv4. Allow the compiler to optimise away code in the NFSv2-only case by converting it into an inlined stub function. Reported-and-tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-30Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds11-49/+75
* master.kernel.org:/home/rmk/linux-2.6-arm: cyber2000fb: fix console in truecolor modes cyber2000fb: fix machine hang on module load SA1111: Eliminate use after free ARM: Fix Versatile/Realview/VExpress MMC card detection sense ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_vipt ARM: Add barriers to io{read,write}{8,16,32} accessors as well ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLE ARM: 6272/1: Convert L2x0 to use the IO relaxed operations ARM: 6271/1: Introduce *_relaxed() I/O accessors ARM: 6275/1: ux500: don't use writeb() in uncompress.h ARM: 6270/1: clean files in arch/arm/boot/compressed/ ARM: Fix csum_partial_copy_from_user()
2010-07-30Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds4-11/+32
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: Ensure that writepage respects the nonblock flag NFS: kswapd must not block in nfs_release_page nfs: include space for the NUL in root path
2010-07-30Merge branch 'drm-fixes' of ↵Linus Torvalds2-2/+3
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/edid: Fix the HDTV hack sync adjustment drm/radeon/kms: fix radeon mid power profile reporting
2010-07-30mm: fix ia64 crash when gcore reads gate areaHugh Dickins1-3/+13
Debian's ia64 autobuilders have been seeing kernel freeze or reboot when running the gdb testsuite (Debian bug 588574): dannf bisected to 2.6.32 62eede62dafb4a6633eae7ffbeb34c60dba5e7b1 "mm: ZERO_PAGE without PTE_SPECIAL"; and reproduced it with gdb's gcore on a simple target. I'd missed updating the gate_vma handling in __get_user_pages(): that happens to use vm_normal_page() (nowadays failing on the zero page), yet reported success even when it failed to get a page - boom when access_process_vm() tried to copy that to its intermediate buffer. Fix this, resisting cleanups: in particular, leave it for now reporting success when not asked to get any pages - very probably safe to change, but let's not risk it without testing exposure. Why did ia64 crash with 16kB pages, but succeed with 64kB pages? Because setup_gate() pads each 64kB of its gate area with zero pages. Reported-by: Andreas Barth <aba@not.so.argh.org> Bisected-by: dann frazier <dannf@debian.org> Signed-off-by: Hugh Dickins <hughd@google.com> Tested-by: dann frazier <dannf@dannf.org> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-30CIFS: Remove __exit mark from cifs_exit_dns_resolver()David Howells2-2/+2
Remove the __exit mark from cifs_exit_dns_resolver() as it's called by the module init routine in case of error, and so may have been discarded during linkage. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-30cyber2000fb: fix console in truecolor modesOndrej Zary1-0/+1
Return value was not set to 0 in setcolreg() with truecolor modes. This causes fb_set_cmap() to abort after first color, resulting in blank palette - and blank console in 24bpp and 32bpp modes. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30cyber2000fb: fix machine hang on module loadOndrej Zary1-0/+2
I was testing two CyberPro 2000 based PCI cards on x86 and the machine always hanged completely when the cyber2000fb module was loaded. It seems that the card hangs when some registers are accessed too quickly after writing RAMDAC control register. With this patch, both card work. Add delay after RAMDAC control register write to prevent hangs on module load. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30SA1111: Eliminate use after freeJulia Lawall1-3/+2
__sa1111_remove always frees its argument, so the subsequent reference to sachip->saved_state represents a use after free. __sa1111_remove does not appear to use the saved_state field, so the patch simply frees it first. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression E,E2; @@ __sa1111_remove(E) ... ( E = E2 | * E ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30ARM: Fix Versatile/Realview/VExpress MMC card detection senseRussell King3-4/+8
The MMC card detection sense has become really confused with negations at various levels, leading to some platforms not detecting inserted cards. Fix this by converting everything to positive logic throughout, thereby getting rid of these negations. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_viptGary King1-5/+8
smp_processor_id() must not be called from a preemptible context (this is checked by CONFIG_DEBUG_PREEMPT). kmap_high_l1_vipt() was doing so. This lead to a problem where the wrong per_cpu kmap_high_l1_vipt_depth could be incremented, causing a BUG_ON(*depth <= 0); in kunmap_high_l1_vipt(). The solution is to move the call to smp_processor_id() after the call to preempt_disable(). Originally by: Andrew Howe <ahowe@nvidia.com> Signed-off-by: Gary King <gking@nvidia.com> Acked-by: Nicolas Pitre <nico.as.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30NFS: Ensure that writepage respects the nonblock flagTrond Myklebust1-6/+17
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-07-30NFS: kswapd must not block in nfs_release_pageTrond Myklebust3-4/+14
See https://bugzilla.kernel.org/show_bug.cgi?id=16056 If other processes are blocked waiting for kswapd to free up some memory so that they can make progress, then we cannot allow kswapd to block on those processes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
2010-07-30nfs: include space for the NUL in root pathDan Carpenter1-1/+1
In root_nfs_name() it does the following: if (strlen(buf) + strlen(cp) > NFS_MAXPATHLEN) { printk(KERN_ERR "Root-NFS: Pathname for remote directory too long.\n"); return -1; } sprintf(nfs_export_path, buf, cp); In the original code if (strlen(buf) + strlen(cp) == NFS_MAXPATHLEN) then the sprintf() would lead to an overflow. Generally the rest of the code assumes that the path can have NFS_MAXPATHLEN (1024) characters and a NUL terminator so the fix is to add space to the nfs_export_path[] buffer. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-07-29Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds3-10/+32
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] etr: fix clock synchronization race [S390] Fix IRQ tracing in case of PER
2010-07-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds1-0/+2
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: watchdog: update MAINTAINERS entry
2010-07-29Merge branch 'fix/hda' of ↵Linus Torvalds3-20/+58
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Add a PC-beep workaround for ASUS P5-V ALSA: hda - Assume PC-beep as default for Realtek ALSA: hda - Don't register beep input device when no beep is available ALSA: hda - Fix pin-detection of Nvidia HDMI
2010-07-29CRED: Fix __task_cred()'s lockdep check and banner commentDavid Howells3-5/+14
Fix __task_cred()'s lockdep check by removing the following validation condition: lockdep_tasklist_lock_is_held() as commit_creds() does not take the tasklist_lock, and nor do most of the functions that call it, so this check is pointless and it can prevent detection of the RCU lock not being held if the tasklist_lock is held. Instead, add the following validation condition: task->exit_state >= 0 to permit the access if the target task is dead and therefore unable to change its own credentials. Fix __task_cred()'s comment to: (1) discard the bit that says that the caller must prevent the target task from being deleted. That shouldn't need saying. (2) Add a comment indicating the result of __task_cred() should not be passed directly to get_cred(), but rather than get_task_cred() should be used instead. Also put a note into the documentation to enforce this point there too. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-29CRED: Fix get_task_cred() and task_state() to not resurrect dead credentialsDavid Howells3-21/+27
It's possible for get_task_cred() as it currently stands to 'corrupt' a set of credentials by incrementing their usage count after their replacement by the task being accessed. What happens is that get_task_cred() can race with commit_creds(): TASK_1 TASK_2 RCU_CLEANER -->get_task_cred(TASK_2) rcu_read_lock() __cred = __task_cred(TASK_2) -->commit_creds() old_cred = TASK_2->real_cred TASK_2->real_cred = ... put_cred(old_cred) call_rcu(old_cred) [__cred->usage == 0] get_cred(__cred) [__cred->usage == 1] rcu_read_unlock() -->put_cred_rcu() [__cred->usage == 1] panic() However, since a tasks credentials are generally not changed very often, we can reasonably make use of a loop involving reading the creds pointer and using atomic_inc_not_zero() to attempt to increment it if it hasn't already hit zero. If successful, we can safely return the credentials in the knowledge that, even if the task we're accessing has released them, they haven't gone to the RCU cleanup code. We then change task_state() in procfs to use get_task_cred() rather than calling get_cred() on the result of __task_cred(), as that suffers from the same problem. Without this change, a BUG_ON in __put_cred() or in put_cred_rcu() can be tripped when it is noticed that the usage count is not zero as it ought to be, for example: kernel BUG at kernel/cred.c:168! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/kernel/mm/ksm/run CPU 0 Pid: 2436, comm: master Not tainted 2.6.33.3-85.fc13.x86_64 #1 0HR330/OptiPlex 745 RIP: 0010:[<ffffffff81069881>] [<ffffffff81069881>] __put_cred+0xc/0x45 RSP: 0018:ffff88019e7e9eb8 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffff880161514480 RCX: 00000000ffffffff RDX: 00000000ffffffff RSI: ffff880140c690c0 RDI: ffff880140c690c0 RBP: ffff88019e7e9eb8 R08: 00000000000000d0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000040 R12: ffff880140c690c0 R13: ffff88019e77aea0 R14: 00007fff336b0a5c R15: 0000000000000001 FS: 00007f12f50d97c0(0000) GS:ffff880007400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f461bc000 CR3: 00000001b26ce000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process master (pid: 2436, threadinfo ffff88019e7e8000, task ffff88019e77aea0) Stack: ffff88019e7e9ec8 ffffffff810698cd ffff88019e7e9ef8 ffffffff81069b45 <0> ffff880161514180 ffff880161514480 ffff880161514180 0000000000000000 <0> ffff88019e7e9f28 ffffffff8106aace 0000000000000001 0000000000000246 Call Trace: [<ffffffff810698cd>] put_cred+0x13/0x15 [<ffffffff81069b45>] commit_creds+0x16b/0x175 [<ffffffff8106aace>] set_current_groups+0x47/0x4e [<ffffffff8106ac89>] sys_setgroups+0xf6/0x105 [<ffffffff81009b02>] system_call_fastpath+0x16/0x1b Code: 48 8d 71 ff e8 7e 4e 15 00 85 c0 78 0b 8b 75 ec 48 89 df e8 ef 4a 15 00 48 83 c4 18 5b c9 c3 55 8b 07 8b 07 48 89 e5 85 c0 74 04 <0f> 0b eb fe 65 48 8b 04 25 00 cc 00 00 48 3b b8 58 04 00 00 75 RIP [<ffffffff81069881>] __put_cred+0xc/0x45 RSP <ffff88019e7e9eb8> ---[ end trace df391256a100ebdd ]--- Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-29watchdog: update MAINTAINERS entryWim Van Sebroeck1-0/+2
Add Mailing-list and website to watchdog MAINTAINERS entry. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-07-29ALSA: hda - Add a PC-beep workaround for ASUS P5-VTakashi Iwai1-8/+24
ASUS P5-V provides a SSID that unexpectedly matches with the value compilant with Realtek's specification. Thus the driver interprets it badly, resulting in non-working PC beep. This patch adds a white-list for such a case; a white-list of known devices with working PC beep. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-29ARM: Add barriers to io{read,write}{8,16,32} accessors as wellRussell King1-20/+18
The ioread/iowrite accessors also need barriers as they're used in place of readl/writel et.al. in portable drivers. Create __iormb() and __iowmb() which are conditionally defined to be barriers dependent on ARM_DMA_MEM_BUFFERABLE, and always use these macros in the accessors. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLECatalin Marinas1-0/+11
When the coherent DMA buffers are mapped as Normal Non-cacheable (ARM_DMA_MEM_BUFFERABLE enabled), buffer accesses are no longer ordered with Device memory accesses causing failures in device drivers that do not use the mandatory memory barriers before starting a DMA transfer. LKML discussions led to the conclusion that such barriers have to be added to the I/O accessors: http://thread.gmane.org/gmane.linux.kernel/683509/focus=686153 http://thread.gmane.org/gmane.linux.ide/46414 http://thread.gmane.org/gmane.linux.kernel.cross-arch/5250 This patch introduces a wmb() barrier to the write*() I/O accessors to handle the situations where Normal Non-cacheable writes are still in the processor (or L2 cache controller) write buffer before a DMA transfer command is issued. For the read*() accessors, a rmb() is introduced after the I/O to avoid speculative loads where the driver polls for a DMA transfer ready bit. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6272/1: Convert L2x0 to use the IO relaxed operationsCatalin Marinas1-13/+13
This patch is in preparation for a subsequent patch which adds barriers to the I/O accessors. Since the mandatory barriers may do an L2 cache sync, this patch avoids a recursive call into l2x0_cache_sync() via the write*() accessors and wmb() and a call into l2x0_cache_sync() with the l2x0_lock held. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6271/1: Introduce *_relaxed() I/O accessorsCatalin Marinas1-12/+17
This patch introduces readl*_relaxed()/write*_relaxed() as the main I/O accessors (when __mem_pci is defined). The standard read*()/write*() macros are now based on the relaxed accessors. This patch is in preparation for a subsequent patch which adds barriers to the I/O accessors. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6275/1: ux500: don't use writeb() in uncompress.hRabin Vincent1-5/+5
Don't use writeb() in uncompress.h, to avoid the following build errors when the "Add barriers to the I/O accessors" series is applied. Use __raw_writeb() instead. arch/arm/boot/compressed/misc.o: In function `putc': arch/arm/mach-ux500/include/mach/uncompress.h:41: undefined reference to `outer_cache' Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6270/1: clean files in arch/arm/boot/compressed/Magnus Damm1-0/+3
Update the compressed boot Makefile for ARM to remove files during clean. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29drm/edid: Fix the HDTV hack sync adjustmentAdam Jackson1-2/+2
We're adjusting horizontal timings only here, moving vsync was just a slavish translation of a typo in the X server. Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-07-29drm/radeon/kms: fix radeon mid power profile reportingDaniel J Blueman1-0/+1
Fix incorrectly reporting 'default' power profile, when it is set to 'mid'. Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com> Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-07-28Merge branch 'for_linus' of ↵Linus Torvalds1-2/+7
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: x86,kgdb: Fix hw breakpoint regression
2010-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds6-34/+63
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] ibmvscsi: Fix oops when an interrupt is pending during probe [SCSI] zfcp: Update status read mempool [SCSI] zfcp: Do not wait for SBALs on stopped queue [SCSI] zfcp: Fix check whether unchained ct_els is possible [SCSI] ipr: fix resource path display and formatting
2010-07-28Merge branch 'for-linus' of ↵Linus Torvalds5-10/+72
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: davinci: da850/omap-l138 evm: account for DEFDCDC{2,3} being tied high regulator: tps6507x: allow driver to use DEFDCDC{2,3}_HIGH register wm8350-regulator: fix wm8350_register_regulator error handling ab3100: fix off-by-one value range checking for voltage selector
2010-07-28ecryptfs: Bugfix for error related to ecryptfs_hash_bucketsAndre Osterhues1-8/+9
The function ecryptfs_uid_hash wrongly assumes that the second parameter to hash_long() is the number of hash buckets instead of the number of hash bits. This patch fixes that and renames the variable ecryptfs_hash_buckets to ecryptfs_hash_bits to make it clearer. Fixes: CVE-2010-2492 Signed-off-by: Andre Osterhues <aosterhues@escrypt.com> Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-28x86,kgdb: Fix hw breakpoint regressionJason Wessel1-2/+7
HW breakpoints events stopped working correctly with kgdb as a result of commit: 018cbffe6819f6f8db20a0a3acd9bab9bfd667e4 (Merge commit 'v2.6.33' into perf/core). The regression occurred because the behavior changed for setting NOTIFY_STOP as the return value to the die notifier if the breakpoint was known to the HW breakpoint API. Because kgdb is using the HW breakpoint API to register HW breakpoints slots, it must also now implement the overflow_handler call back else kgdb does not get to see the events from the die notifier. The kgdb_ll_trap function will be changed to be general purpose code which can allow an easy way to implement the hw_breakpoint API overflow call back. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Dongdong Deng <dongdong.deng@windriver.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
2010-07-28Merge branch 'for-linus' of ↵Linus Torvalds9-36/+50
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: use complete_all and wake_up_all ceph: Correct obvious typo of Kconfig variable "CRYPTO_AES" ceph: fix dentry lease release ceph: fix leak of dentry in ceph_init_dentry() error path ceph: fix pg_mapping leak on pg_temp updates ceph: fix d_release dop for snapdir, snapped dentries ceph: avoid dcache readdir for snapdir
2010-07-28GFS2: Use kmalloc when possible for ->readdir()Steven Whitehouse1-6/+25
If we don't need a huge amount of memory in ->readdir() then we can use kmalloc rather than vmalloc to allocate it. This should cut down on the greater overheads associated with vmalloc for smaller directories. We may be able to eliminate vmalloc entirely at some stage, but this is easy to do right away. Also using GFP_NOFS to avoid any issues wrt to deleting inodes while under a glock, and suggestion from Linus to factor out the alloc/dealloc. I've given this a test with a variety of different sized directories and it seems to work ok. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Nick Piggin <npiggin@suse.de> Cc: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-28ALSA: hda - Assume PC-beep as default for RealtekTakashi Iwai1-3/+3
Enable PC-beep as default for hardwares that aren't compliant with the SSID value Realtek requires. In such a case, better to enable the beep to avoid a regression. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-28ALSA: hda - Don't register beep input device when no beep is availableTakashi Iwai1-13/+19
We check now the availability of PC beep and skip the build of beep mixers, but the driver still registers the input device. This should be checked as well. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-28davinci: da850/omap-l138 evm: account for DEFDCDC{2,3} being tied highSekhar Nori1-0/+8
Per the da850/omap-l138 Beta EVM SOM schematic, the DEFDCDC2 and DEFDCDC3 lines are tied high. This leads to a 3.3V IO and 1.2V CVDD voltage. Pass the right platform data to the TPS6507x driver so it can operate on the DEFDCDC{2,3}_HIGH register to read and change voltage levels. Signed-off-by: Sekhar Nori <nsekhar@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-07-28regulator: tps6507x: allow driver to use DEFDCDC{2,3}_HIGH registerAnuj Aggarwal2-7/+61
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> In TPS6507x, depending on the status of DEFDCDC{2,3} pin either DEFDCDC{2,3}_LOW or DEFDCDC{2,3}_HIGH register needs to be read or programmed to change the output voltage. The current driver assumes DEFDCDC{2,3} pins are always tied low and thus operates only on DEFDCDC{2,3}_LOW register. This need not always be the case (as is found on OMAP-L138 EVM). Unfortunately, software cannot read the status of DEFDCDC{2,3} pins. So, this information is passed through platform data depending on how the board is wired. Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-07-28ALSA: hda - Fix pin-detection of Nvidia HDMITakashi Iwai2-0/+16
The behavior of Nvidia HDMI codec regarding the pin-detection unsol events is based on the old HD-audio spec, i.e. PD bit indicates only the update and doesn't show the current state. Since the current code assumes the new behavior, the pin-detection doesn't work relialby with these h/w. This patch adds a flag for indicating the old spec, and fixes the issue by checking the pin-detection explicitly for such hardware. Tested-by: Wei Ni <wni@nvidia.com> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-27Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: Pass the correct end of buffer to p9stat_read
2010-07-27gpio: fix spurious printk when freeing a gpioJon Povey1-3/+4
When freeing a gpio that has not been exported, gpio_unexport() prints a debug message when it should just fall through silently. Example spurious message: gpio_unexport: gpio0 status -22 Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk> Cc: David Brownell <david-b@pacbell.net> Acked-by: Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de> Cc: Gregory Bean <gbean@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-27edac: mpc85xx: fix coldplug/hotplug module autoloadingAnton Vorontsov1-0/+3
The MPC85xx EDAC driver is missing module device aliases, so the driver won't load automatically on boot. This patch fixes the issue by adding proper MODULE_DEVICE_TABLE() macros. Signed-off-by: Anton Vorontsov <avorontsov@mvista.com> Cc: Doug Thompson <dougthompson@xmission.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Dave Jiang <djiang@mvista.com> Cc: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-27drivers/rtc/rtc-rx8581.c: fix setdatetimeRudolf Marek1-3/+17
Fix the logic while writing new date/time to the chip. The driver incorrectly wrote back register values to different registers and even with wrong mask. The patch adds clearing of the VLF register, which should be cleared if all date/time values are set. Signed-off-by: Rudolf Marek <rudolf.marek@sysgo.com> Acked-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Martyn Welch <martyn.welch@gefanuc.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-27dynamic debug: move ddebug_remove_module() down into free_module()Jason Baron1-1/+3
The command echo "file ec.c +p" >/sys/kernel/debug/dynamic_debug/control causes an oops. Move the call to ddebug_remove_module() down into free_module(). In this way it should be called from all error paths. Currently, we are missing the remove if the module init routine fails. Signed-off-by: Jason Baron <jbaron@redhat.com> Reported-by: Thomas Renninger <trenn@suse.de> Tested-by: Thomas Renninger <trenn@suse.de> Cc: <stable@kernel.org> [2.6.32+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-27ceph: use complete_all and wake_up_allYehuda Sadeh6-20/+20
This fixes an issue triggered by running concurrent syncs. One of the syncs would go through while the other would just hang indefinitely. In any case, we never actually want to wake a single waiter, so the *_all functions should be used. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
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