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2010-01-10xfs: fix timestamp handling in xfs_setattrChristoph Hellwig
We currently have some rather odd code in xfs_setattr for updating the a/c/mtime timestamps: - first we do a non-transaction update if all three are updated together - second we implicitly update the ctime for various changes instead of relying on the ATTR_CTIME flag - third we set the timestamps to the current time instead of the arguments in the iattr structure in many cases. This patch makes sure we update it in a consistent way: - always transactional - ctime is only updated if ATTR_CTIME is set or we do a size update, which is a special case - always to the times passed in from the caller instead of the current time The only non-size caller of xfs_setattr that doesn't come from the VFS is updated to set ATTR_CTIME and pass in a valid ctime value. Reported-by: Eric Blake <ebb9@byu.net> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-10xfs: use DECLARE_EVENT_CLASSChristoph Hellwig
Using DECLARE_EVENT_CLASS allows us to to use trace event code instead of duplicating it in the binary. This was not available before 2.6.33 so it had to be done as a separate step once the prerequisite was merged. This only requires changes to xfs_trace.h and the results are rather impressive: hch@brick:~/work/linux-2.6/obj-kvm$ size fs/xfs/xfs.o* text data bss dec hex filename 607732 41884 3616 653232 9f7b0 fs/xfs/xfs.o 1026732 41884 3808 1072424 105d28 fs/xfs/xfs.o.old Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-08DRM / i915: Fix resume regression on MSI Wind U100 w/o KMSRafael J. Wysocki
Commit cbda12d77ea590082edb6d30bd342a67ebc459e0 (drm/i915: implement new pm ops for i915), among other things, removed the .suspend and .resume pointers from the struct drm_driver object in i915_drv.c, which broke resume without KMS on my MSI Wind U100. Fix this by reverting that part of commit cbda12d77ea59. [ The DRM layer will not use the class-specific suspend/resume functions if the driver is marked MODESET-aware, and conversely it will not register the PCI device if the drievr isn't so marked, so you always end up with _either_ the drm-class suspend/resume _or_ the PCI layer PM functionality, never both. - Linus ] Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-01-08Merge branch 'for_2.6.33rc_c' of git://git.pwsan.com/linux-2.6 into ↵Tony Lindgren
omap-fixes-for-linus
2010-01-08OMAP2 clock: dynamically allocate CPUFreq frequency tablePaul Walmsley
Dynamically allocate the CPUFreq frequency table on OMAP2xxx chips. This fixes some compilation problems, since the kernel may not know what chip it is running on until boot-time. This also reduces the size of the CPUFreq frequency table. Problem originally reported by Felipe Balbi <felipe.balbi@nokia.com>. Thanks also for comments on the patch from Felipe and Kevin. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Felipe Balbi <felipe.balbi@nokia.com> Cc: Kevin Hilman <khilman@deeprootsystems.com>
2010-01-08OMAP clock/CPUFreq: add clk_exit_cpufreq_table()Paul Walmsley
A subsequent patch adds code on OMAP2xxx to dynamically allocate the CPUFreq frequency table in clk_init_cpufreq_table(), so for it to avoid a leak, it will need a corresponding function to free the memory. This patch adds clk_exit_cpufreq_table() with generic code to call a chip-specific variant inside the clockfw_lock spinlock via struct clk_functions. Signed-off-by: Paul Walmsley <paul@pwsan.com>
2010-01-08OMAP2xxx OPP: clean up comments in OPP dataPaul Walmsley
Revise some of the comments in the OMAP2xxx OPP data for clarity. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Richard Woodruff <r-woodruff2@ti.com>
2010-01-08OMAP2xxx clock: clk2xxx.c doesn't compile if CPUFREQ is enabledFelipe Balbi
if we enable CPUFREQ we can't build omap2 for two reasons, one of them is fixed by the patch below. It's failing because the __must_be_array() check in ARRAY_SIZE() is failing and printing the following message: arch/arm/mach-omap2/clock2xxx.c:453: error: negative width in bit-field '<anonymous>' Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> [paul@pwsan.com: commit message updated; changed rate variable name] Signed-off-by: Paul Walmsley <paul@pwsan.com>
2010-01-08OMAP1 clock: remove __initdata from struct clk_functions to prevent crashCory Maccarrone
Commit 52650505fbf3a6ab851c801f54e73e76c55ab8da added an __initdata decoration to the structure containing the clk_enable and clk_disable functions. Once init data was freed, these pointers went to null, and the next enable or disable call caused the kernel to crash. This change removes this decoration. Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com> [paul@pwsan.com: patch manually split and commit message edited] Signed-off-by: Paul Walmsley <paul@pwsan.com>
2010-01-08OMAP1 clock: Add missing clocks for OMAP 7xxCory Maccarrone
This change adds in some missing clocks that were needed as a result of 526505... (OMAP1 clock: convert mach-omap1/clock.h to mach-omap1/clock_data.c). Prior to this, it was just assumed that these clocks existed for all devices, and it was used directly instead of calling it out with a clock_get call or similar. So, not having the CK_7XX meant these clocks weren't being used anymore for omap 7xx devices, which broke things badly. Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com> [paul@pwsan.com: commit message edited] Signed-off-by: Paul Walmsley <paul@pwsan.com>
2010-01-08OMAP clock: remove incorrect EXPORT_SYMBOL()sPaul Walmsley
The only symbols that should be exported are symbols that are to be called from loadable kernel modules, e.g., device drivers. In the context of plat-omap/clock.c, these should only be the Linux clock interface symbols as defined by include/linux/clk.h. Core code doesn't need these symbols to be exported. Also, clean up an old comment while here. Signed-off-by: Paul Walmsley <paul@pwsan.com>
2010-01-08OMAP3 clock: Add capability to change rate of dpll4_m5_ckTuukka Toivonen
Add necessary definitions to clock framework to allow changing dpll4_m5_ck rate. This is used by the camera code. Signed-off-by: Jouni Högander <jouni.hogander@nokia.com> Signed-off-by: Tuukka Toivonen <tuukka.o.toivonen@nokia.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2010-01-08OMAP3 clock: McBSP 2, 3, 4 functional clock parent is PER_96M_FCLK, not ↵Paul Walmsley
CORE_96M_FCLK The correct parent of the McBSP 2, 3, and 4 functional clocks is PER_96M_FCLK, not CORE_96M_FCLK. Fix this in the OMAP clock tree. Reported by Nicole Chalhoub <n-chalhoub@ti.com>. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Nicole Chalhoub <n-chalhoub@ti.com>
2010-01-08OMAP3: clock: add clockdomains for UART1 & 2Kevin Hilman
UART1 & 2 were missing clockdomains resulting in broken omap_hwmod init for these devices. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2010-01-08OMAP2420 IO mapping: move IVA mapping virtual address out of vmalloc spacePaul Walmsley
Commit 10db25fea4c11661070b97832b8cc3d2af495092 causes the following kernel messages during N800 boot (and presumably all other 2420 boards): [ 0.000000] BUG: mapping for 0x58000000 at 0xe0000000 overlaps vmalloc space [ 0.000000] BUG: mapping for 0x59000000 at 0xe1000000 overlaps vmalloc space [ 0.000000] BUG: mapping for 0x5a000000 at 0xe2000000 overlaps vmalloc space Fix by remapping the IVA memory areas somewhere outside vmalloc space. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: Tony Lindgren <tony@atomide.com>
2010-01-08OMAP2xxx IO mapping: mark DSP mappings as being 2420-onlyPaul Walmsley
Out of the three major OMAP2 chip types, OMAP2420, OMAP2430, and OMAP3430, we only map the IVA on OMAP2420. The memory mapping is not shared between OMAP2420 and OMAP2430, so it is inappropriate to label those macros as '24XX'; this patch changes them to '2420'. Signed-off-by: Paul Walmsley <paul@pwsan.com>
2010-01-08ARM: OMAP3: PM: Fix the Invalid CM_CLKSTCTRL reg access.Abhijit Pagare
In OMAP2/3 some of the clock-domains which did not have control facility were being falsely written to and read using the CM_CLKSTCTRL register though it did not exist for them. One check is added to remove this flaw. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
2010-01-08OMAP2: remove duplicated #includeHuang Weiyi
Remove duplicated #include('s) in arch/arm/mach-omap2/clock34xx.c arch/arm/mach-omap2/io.c Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2010-01-08Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/addr: Correct CONFIG_IPv6 to CONFIG_IPV6 mlx4_core: Fix cleanup in __mlx4_init_one() error path IB/mlx4: Fix queue overflow check in post_recv IB/mlx4: Initialize SRQ scatter entries when creating an SRQ
2010-01-08Merge branch 'for_linus' of ↵Linus Torvalds
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: kgdb: Fix kernel-doc format error in kgdb.h blackfin,kgdb: Do not put PC in gdb_regs into retx. blackfin,kgdb,probe_kernel: Cleanup probe_kernel_read/write maccess,probe_kernel: Allow arch specific override probe_kernel_(read|write)
2010-01-08Merge branch 'reiserfs/kill-bkl' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing * 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing: reiserfs: Relax reiserfs_xattr_set_handle() while acquiring xattr locks reiserfs: Fix unreachable statement reiserfs: Don't call reiserfs_get_acl() with the reiserfs lock reiserfs: Relax lock on xattr removing reiserfs: Relax the lock before truncating pages reiserfs: Fix recursive lock on lchown reiserfs: Fix mistake in down_write() conversion
2010-01-08Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: kill some warnings on i386 builds
2010-01-08Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] move fnptr definition inside #ifdef __KERNEL__
2010-01-08Merge branch 'for-linus/samsung' of git://git.fluff.org/bjdooks/linuxLinus Torvalds
* 'for-linus/samsung' of git://git.fluff.org/bjdooks/linux: ARM: S3C64XX: Fix possible clock look in EPLL and MPLL clock chains
2010-01-08Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip: x86, irq: Check move_in_progress before freeing the vector mapping x86: copy_from_user() should not return -EFAULT Revert "x86: Side-step lguest problem by only building cmpxchg8b_emu for pre-Pentium" x86/pci: Intel ioh bus num reg accessing fix x86: Fix size for ex trampoline with 32bit
2010-01-08Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCIe AER: prevent AER injection if hardware masks error reporting PCI/PM: Use per-device D3 delays PCI: Check the node argument passed to cpumask_of_node PCI: AER: fix aer inject result in kernel oops PCI: pcie portdrv: style cleanup
2010-01-08Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: nfs: fix oops in nfs_rename() sunrpc: fix build-time warning sunrpc: on successful gss error pipe write, don't return error SUNRPC: Fix the return value in gss_import_sec_context() SUNRPC: Fix up an error return value in gss_import_sec_context_kerberos()
2010-01-08xfs: kill some warnings on i386 buildsDave Chinner
Randy Dunlap Reported printk() format-related warnings reported on i386 builds in his environment. Dave Chinner provided this patch to eliminate them. Signed-off by: Dave Chinner <david@fromorbit.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-01-08[IA64] move fnptr definition inside #ifdef __KERNEL__Tony Luck
Linus pointed out that this definition should not be exported to user space. Signed-off-by: Tony Luck <tony.luck@intel.com>
2010-01-08omap3: EVM: Choose OMAP_PACKAGE_CBBVaibhav Hiremath
Without this the kernel doesn't boot, it craches in omap_mux_package_fixup(), since the package_subset becomes NULL. Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap3: Fix booting if package is uninitializedTony Lindgren
Otherwise bringing up new boards can be harder: Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 5 [#1] last sysfs file: Modules linked in: CPU: 0 Not tainted (2.6.33-rc2-00015-g0bc9c93-dirty #37) PC is at omap_mux_init+0xa4/0x3d8 LR is at omap_mux_init+0x3c/0x3d8 ... Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap3: add missing parenthesesRoel Kluin
`!' has a higher precedence than `&' so parentheses are required. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap3: add missing parenthesesRoel Kluin
not(!) has a higher precedence than bit and(&). Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap2/3: ZOOM: Correcting key mapping for few keysVimal Singh
Keys: 'right arrow', 'up arrow' and 'select' were mapped wrongly. This patch corrects them. This patch also adds one missing key present in the board, currently I added it as 'unknown' key, as I am not able to find proper description for this key. One key entry (r: 7, c: 5) is present in the keymap, which is really not present in the board, removing it. Signed-off-by: Vimal Singh <vimalsingh@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap2/3: make serial_in_override() address the right uart portAlexander Shishkin
Commit f62349ee9788b1d94c55eb6c291d74a1f69bdd9e makes it possible to have some other than first uart port as ttyS0, which breaks the workaround serial_in_override() function which will try to address the first uart port (for ttyS0) and not the one that was initialized. Signed-off-by: Alexander Shishkin <virtuoso@slind.org> CC: Mika Westerberg <ext-mika.1.westerberg@nokia.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap1: Fix compile for omap1_bl.cTony Lindgren
Commit 9905a43b made struct backlight_ops const. Omap was setting check_fb dynamically, which caused the following compile error: drivers/video/backlight/omap1_bl.c: In function 'omapbl_probe': drivers/video/backlight/omap1_bl.c:142: error: assignment of read-only variable 'omapbl_ops' Turns out pdata->check_fb is not being used, so just remove it to fix the compile. Cc: Emese Revfy <re.emese@gmail.com> Cc: Richard Purdie <rpurdie@linux.intel.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap1: Add 7xx clocks and pin muxes for SPICory Maccarrone
Commit 35c9049b27040d09461bc90928ad770be7ddf661 added drivers/spi/omap_spi_100k.c. This patch add the related clocks and pin muxing entries to make the driver work on omap7xx platforms. Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap: Remove uninitialized warning for gpio.cTony Lindgren
Flags is not used on 15xx. Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap: &&/|| confusion in iommu_put()Roel Kluin
obj can't be both NULL and be an error pointer. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap: gpio: Simultaneously requested rising and falling edgeCory Maccarrone
Some chips, namely any OMAP1 chips using METHOD_MPUIO, OMAP15xx and OMAP7xx, cannot be setup to respond to on-chip GPIO interrupts in both rising and falling edge directions -- they can only respond to one direction or the other, depending on how the ICR is configured. Additionally, current code forces rising edge detection if both flags are specified: if (trigger & IRQ_TYPE_EDGE_RISING) l |= 1 << gpio; else if (trigger & IRQ_TYPE_EDGE_FALLING) l &= ~(1 << gpio); else goto bad; This change implements a toggle function that will modify the ICR to flip the direction of interrupt for IRQs that are requested with both rising and falling flags. The toggle function is not called for chips and GPIOs it does not apply to through the use of a flip_mask that's added on a per-bank basis. The mask is only set for those GPIOs where a toggle is necessary. Edge detection starts out the same as above with FALLING mode first. The toggle happens on EACH interrupt; without it, we have the following sequence of actions on GPIO transition: ICR GPIO Result 0x1 0 -> 1 (rising) Interrupt 0x1 1 -> 0 (falling) No interrupt (set ICR to 0x0 manually) 0x0 0 -> 1 (rising) No interrupt 0x0 1 -> 0 (falling) Interrupt That is, with the ICR set to 1 for a gpio, only rising edge interrupts are caught, and with it set to 0, only falling edge interrupts are caught. If we add in the toggle, we get this: ICR GPIO Result 0x1 0 -> 1 (rising) Interrupt (ICR set to 0x0) 0x0 1 -> 0 (falling) Interrupt (ICR set to 0x1) 0x1 0 -> 1 ... so, both rising and falling are caught, per the request for both (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING). Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08omap: McBSP: Fix possible port lockoutJanusz Krzysztofik
In its current form, the omap_mcbsp_request() function can return after irq_request() failure without any cleanups, effectively locking out the port forever with clocks left running. Fix it. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Acked-by: Jarkko Nikula <jhnikula@gmail.com> Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-01-08Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: hp-wmi: remove double free caused by merge conflict
2010-01-08Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] __per_cpu_idtrs[] is a memory hog [IA64] sanity in #include files. Move fnptr to types.h [IA64] use helpers for rlimits [IA64] cpumask_of_node() should handle -1 as a node
2010-01-08GFS2: Fix gfs2_xattr_acl_chmod()Steven Whitehouse
The ref counting for the bh returned by gfs2_ea_find() was wrong. This patch ensures that we always drop the ref count to that bh correctly. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2010-01-08GFS2: Fix locking bug in renameSteven Whitehouse
The rename code was taking a resource group lock in cases where it wasn't actually needed, this caused problems if the rename was resulting in an inode being unlinked. The patch ensures that we only take the rgrp lock early if it is really needed. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2010-01-08GFS2: Ensure uptodate inode size when using O_APPENDSteven Whitehouse
The VFS reads the inode size during generic_file_aio_write() but with no locking around it. In order to get the expected result from O_APPEND opens, this patch updated the inode size before calling generic_file_aio_write() There is of course still a race here, in that there is nothing to prevent another node coming in and extending the file in the mean time. On the other hand, when used with file locking this will ensure that the expected results are obtained. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2010-01-08drm/radeon/kms: Don't try to enable IRQ if we have no handler installedJerome Glisse
If for any reason we haven't installed handler we shouldn't try to enable IRQ/MSI on the hw so we don't get unhandled IRQ/MSI which makes the kernel sad. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-01-08drm: Avoid calling vblank function is vblank wasn't initializedJerome Glisse
In some case vblank might not be initialized and we shouldn't try to use associated function. This patch make sure this is the case. It also export drm_vblank_cleanup so driver can cleanup vblank if for any reason IRQ/MSI is not working. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-01-08drm/radeon: mkregtable.c: close a file before exitAlexander Beregalov
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-01-08drm/radeon/kms: Make sure we release AGP device if we acquired itJerome Glisse
In some case we weren't releasing the AGP device at module unloading. This leaded to unfunctional AGP at next module load. This patch make sure we release the AGP bus if we acquire it. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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