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2012-01-11mmc: card: Kill block requests if card is removedSujit Reddy Thumma
Kill block requests when the host realizes that the card is removed from the slot and is sure that subsequent requests are bound to fail. Do this silently so that the block layer doesn't output unnecessary error messages. Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: core: Fixup delayed work clock gating patchStephen Boyd
c31b50e (mmc: core: Use delayed work in clock gating framework, 2011-11-14) missed a few things during review: o A useless pr_info() o milliseconds was written as two words o The sysfs file had units in its output Fix all three problems. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Sujit Reddy Thumma <sthumma@codeaurora.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: sdhci-pci: simplify error handlingAxel Lin
Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: boot partition ro lock supportJohan Rudholm
Enable boot partitions to be read-only locked until next power on via a sysfs entry. There will be one sysfs entry for each boot partition: /sys/block/mmcblkXbootY/ro_lock_until_next_power_on Each boot partition is locked by writing 1 to its file. Signed-off-by: Johan Rudholm <johan.rudholm@stericsson.com> Signed-off-by: John Beckett <john.beckett@stericsson.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11ARM: SAMSUNG: Add pm_caps into platform dataSangwook Lee
Add pm_caps into platform_data. This is power management, usually for SDIO device such as SDIO WLAN. Signed-off-by: Sangwook Lee <sangwook.lee@samsung.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: sdhci-s3c: Add pm_caps into SD/MMC hostSangwook Lee
sdhci-s3c updates pm_caps from platform data for SDIO PM. Signed-off-by: Sangwook Lee <sangwook.lee@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: allow upper layers to know immediately if card has been removedAdrian Hunter
Add a function mmc_detect_card_removed() which upper layers can use to determine immediately if a card has been removed. This function should be called after an I/O request fails so that all queued I/O requests can be errored out immediately instead of waiting for the card device to be removed. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Sujit Reddy Thumma <sthumma@codeaurora.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: remove the second argument of k[un]map_atomic()Cong Wang
Signed-off-by: Cong Wang <amwang@redhat.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: convert drivers/mmc/host/* to use module_platform_driver()Axel Lin
This patch converts the drivers in drivers/mmc/host/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: "Michał Mirosław" <mirq-linux@rere.qmqm.pl> Acked-by: David Brown <davidb@codeaurora.org> Acked-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: Remove redundant spi driver bus initializationLars-Peter Clausen
In ancient times it was necessary to manually initialize the bus field of an spi_driver to spi_bus_type. These days this is done in spi_driver_register(), so we can drop the manual assignment. The patch was generated using the following coccinelle semantic patch: // <smpl> @@ identifier _driver; @@ struct spi_driver _driver = { .driver = { - .bus = &spi_bus_type, }, }; // </smpl> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: sh_mmcif: simplify clock divisor calculationGuennadi Liakhovetski
Replace ilog2(__rounddown_pow_of_two(x)) with the equivalent but much simpler fls(x) - 1. Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: core: check for zero length ioctl dataJohan Rudholm
If the read or write buffer size associated with the command sent through the mmc_blk_ioctl is zero, do not prepare data buffer. This enables a ioctl(2) call to for instance send a MMC_SWITCH to set a byte in the ext_csd. Signed-off-by: Johan Rudholm <johan.rudholm@stericsson.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: sdhci-esdhc: Change delay after setting clock from 100ms to 1msTony Lin
1ms is enough for hardware to change the clock to stable. 100ms is too long in the tasklet. Signed-off-by: Tony Lin <tony.lin@freescale.com> CC: Xiaobo Xie <X.Xie@freescale.com> CC: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: mmc_test: align max_seg_sizePer Forlin
If max_seg_size is unaligned, mmc_test_map_sg() may create sg element sizes that are not aligned with 512 byte. Fix, align max_seg_size at mmc_test_area_init(). Signed-off-by: Per Forlin <per.forlin@stericsson.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: mmci: add capabilities2 for MMC_CAP2Per Forlin
Signed-off-by: Per Forlin <per.forlin@stericsson.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: sdio: support SDIO UHS cardsPhilip Rakity
This patch adds support for sdio UHS cards per the version 3.0 spec. UHS mode is only enabled for version 3.0 cards when both the host and the controller support UHS modes. 1.8v signaling support is removed if both the card and the host do not support UHS. This is done to maintain compatibility and some system/card combinations break when 1.8v signaling is enabled when the host does not support UHS. Signed-off-by: Philip Rakity <prakity@marvell.com> Signed-off-by: Aaron Lu <Aaron.lu@amd.com> Reviewed-by: Arindam Nath <arindam.nath@amd.com> Tested-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: sdhci-spear: Implement suspend/resumeViresh Kumar
Suspend/Resume is missing from sdhci-spear driver. This patch adds support for suspend/resume for this driver. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: core: Use delayed work in clock gating frameworkSujit Reddy Thumma
Current clock gating framework disables the MCI clock as soon as the request is completed and enables it when a request arrives. This aggressive clock gating framework, when enabled, cause following issues: When there are back-to-back requests from the Queue layer, we unnecessarily end up disabling and enabling the clocks between these requests since 8MCLK clock cycles is a very short duration compared to the time delay between back to back requests reaching the MMC layer. This overhead can effect the overall performance depending on how long the clock enable and disable calls take which is platform dependent. For example on some platforms we can have clock control not on the local processor, but on a different subsystem and the time taken to perform the clock enable/disable can add significant overhead. Also if the host controller driver decides to disable the host clock too when mmc_set_ios function is called with ios.clock=0, it adds additional delay and it is highly possible that the next request had already arrived and unnecessarily blocked in enabling the clocks. This is seen frequently when the processor is executing at high speeds and in multi-core platforms thus reduces the overall throughput compared to if clock gating is disabled. Fix this by delaying turning off the clocks by posting request on delayed workqueue. Also cancel the unscheduled pending work, if any, when there is access to card. sysfs entry is provided to tune the delay as needed, default value set to 200ms. Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: card: Use manufacturer ID symbols in card quirks.Chris Ball
No functional change; adds macros for card manufacturer IDs. Signed-off-by: Chris Ball <cjb@laptop.org> Cc: Andrei E. Warkentin <andrey.warkentin@gmail.com> Cc: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com>
2012-01-11mmc: debugfs: expose the SDCLK frq in sys iosGiuseppe CAVALLARO
This patch is to expose the actual SDCLK frequency in /sys/kernel/debug/mmcX/ios entry. For example, if the max clk for a normal speed card is 20MHz this is reported in /sys/kernel/debug/mmcX/ios. Unfortunately the actual SDCLK frequency (i.e. Baseclock / divisor) is not reported at all: for example, in that case, on Arasan HC, it should be 48/4=12 (MHz). Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: sdio: Fix to support any block size optimallyStefan Nilsson XK
This patch allows any block size to be set on the SDIO link, and still have an arbitrary sized packet (adjusted in size by using sdio_align_size) transferred in an optimal way (preferably one transfer). Previously if the block size was larger than the default of 512 bytes and the transfer size was exactly one block size (possibly thanks to using sdio_align_size to get an optimal transfer size), it was sent as a number of byte transfers instead of one block transfer. Also if the number of blocks was (max_blocks * N) + 1, the tranfer would be conducted with a number of blocks and finished off with a number of byte transfers. When doing this change it was also possible to break out the quirk for broken byte mode in a much cleaner way, and collect the logic of when to do byte or block transfer in one function instead of two. Signed-off-by: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com> Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-11mmc: sd: Macro name cleanup for high speed dtrQiang Liu
Add new macros for the high speed 50MHz case, rather than having a confusing reuse of the value for UHS SDR50, which is 100MHz. Reported-by: Aaron Lu <aaron.lu@amd.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-01-12sh: magicpanelr2: Update for parse_mtd_partitions() fallout.Paul Mundt
Follows the RSK+ change for the same rationale. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-01-12sh: mach-rsk: Update for parse_mtd_partitions() fallout.Paul Mundt
The RSK+ setup code was doing some pretty dubious things with parse_mtd_partitions() in order to populate the physmap-flash map platform data. The physmap-flash driver contains all of the functionality that we require already, so simply drop the special casing and pad out the platform data accordingly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-01-12Merge branch 'sh/nommu' into sh-latestPaul Mundt
2012-01-12sh: sh2a: Improve cache flush/invalidate functionsPhil Edworthy
The cache functions lock out interrupts for long periods; this patch reduces the impact when operating on large address ranges. In such cases it will: - Invalidate the entire cache rather than individual addresses. - Do nothing when flushing the operand cache in write-through mode. - When flushing the operand cache in write-back mdoe, index the search for matching addresses on the cache entires instead of the addresses to flush Note: sh2a__flush_purge_region was only invalidating the operand cache, this adds flush. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-01-12Merge branch 'sh/hwblk' into sh-latestPaul Mundt
2012-01-12Merge branch 'sh/pm-runtime' into sh-latestPaul Mundt
Conflicts: arch/sh/kernel/cpu/sh4a/clock-sh7723.c Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-01-12sh: also without PM_RUNTIME pm_runtime.o must be builtGuennadi Liakhovetski
When CONFIG_PM_RUNTIME is off, drivers/sh/pm_runtime.o still has to be built on sh platforms, because then it provides means to statically switch on device PM clocks. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-01-12sh: add a resource name for shdmaShimoda, Yoshihiro
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-01-12Merge branch 'rmobile/smp' into rmobile-latestPaul Mundt
2012-01-12arm: mach-shmobile: add a resource name for shdmaShimoda, Yoshihiro
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-01-11Merge branch 'x86-platform-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/intel config: Fix the APB_TIMER selection x86/mrst: Add additional debug prints for pb_keys x86/intel config: Revamp configuration to allow for Moorestown and Medfield x86/intel/scu/ipc: Match the changes in the x86 configuration x86/apb: Fix configuration constraints x86: Fix INTEL_MID silly x86/Kconfig: Cyclone-timer depends on x86-summit x86: Reduce clock calibration time during slave cpu startup x86/config: Revamp configuration for MID devices x86/sfi: Kill the IRQ as id hack
2012-01-11Merge branch 'x86-debug-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, reboot: Fix typo in nmi reboot path x86, NMI: Add to_cpumask() to silence compile warning x86, NMI: NMI selftest depends on the local apic x86: Add stack top margin for stack overflow checking x86, NMI: NMI-selftest should handle the UP case properly x86: Fix the 32-bit stackoverflow-debug build x86, NMI: Add knob to disable using NMI IPIs to stop cpus x86, NMI: Add NMI IPI selftest x86, reboot: Use NMI instead of REBOOT_VECTOR to stop cpus x86: Clean up the range of stack overflow checking x86: Panic on detection of stack overflow x86: Check stack overflow in detail
2012-01-11Merge branch 'x86-efi-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, efi: Break up large initrd reads x86, efi: EFI boot stub support efi: Add EFI file I/O data types efi.h: Add boottime->locate_handle search types efi.h: Add graphics protocol guids efi.h: Add allocation types for boottime->allocate_pages() efi.h: Add efi_image_loaded_t efi.h: Add struct definition for boot time services x86: Don't use magic strings for EFI loader signature x86: Add missing bzImage fields to struct setup_header
2012-01-11Merge branch 'x86-mm-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/numa: Add constraints check for nid parameters mm, x86: Remove debug_pagealloc_enabled x86/mm: Initialize high mem before free_all_bootmem() arch/x86/kernel/e820.c: quiet sparse noise about plain integer as NULL pointer arch/x86/kernel/e820.c: Eliminate bubble sort from sanitize_e820_map() x86: Fix mmap random address range x86, mm: Unify zone_sizes_init() x86, mm: Prepare zone_sizes_init() for unification x86, mm: Use max_low_pfn for ZONE_NORMAL on 64-bit x86, mm: Wrap ZONE_DMA32 with CONFIG_ZONE_DMA32 x86, mm: Use max_pfn instead of highend_pfn x86, mm: Move zone init from paging_init() on 64-bit x86, mm: Use MAX_DMA_PFN for ZONE_DMA on 32-bit
2012-01-11Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: (23 commits) [CPUFREQ] EXYNOS: Removed useless headers and codes [CPUFREQ] EXYNOS: Make EXYNOS common cpufreq driver [CPUFREQ] powernow-k8: Update copyright, maintainer and documentation information [CPUFREQ] powernow-k8: Fix indexing issue [CPUFREQ] powernow-k8: Avoid Pstate MSR accesses on systems supporting CPB [CPUFREQ] update lpj only if frequency has changed [CPUFREQ] cpufreq:userspace: fix cpu_cur_freq updation [CPUFREQ] Remove wall variable from cpufreq_gov_dbs_init() [CPUFREQ] EXYNOS4210: cpufreq code is changed for stable working [CPUFREQ] EXYNOS4210: Update frequency table for cpu divider [CPUFREQ] EXYNOS4210: Remove code about bus on cpufreq [CPUFREQ] s3c64xx: Use pr_fmt() for consistent log messages cpufreq: OMAP: fixup for omap_device changes, include <linux/module.h> cpufreq: OMAP: fix freq_table leak cpufreq: OMAP: put clk if cpu_init failed cpufreq: OMAP: only supports OPP library cpufreq: OMAP: dont support !freq_table cpufreq: OMAP: deny initialization if no mpudev cpufreq: OMAP: move clk name decision to init cpufreq: OMAP: notify even with bad boot frequency ...
2012-01-11Merge git://git.infradead.org/battery-2.6Linus Torvalds
* git://git.infradead.org/battery-2.6: (68 commits) power_supply: Mark da9052 driver as broken power_supply: Drop usage of nowarn variant of sysfs_create_link() s3c_adc_battery: Average over more than one adc sample power_supply: Add DA9052 battery driver isp1704_charger: Fix missing check jz4740-battery: Fix signedness bug power_supply: Assume mains power by default sbs-battery: Fix devicetree match table ARM: rx51: Add bq27200 i2c board info sbs-battery: Change power supply name devicetree-bindings: Propagate bq20z75->sbs rename to dt bindings devicetree-bindings: Add vendor entry for Smart Battery Systems sbs-battery: Rename internals to new name bq20z75: Rename to sbs-battery wm97xx_battery: Use DEFINE_MUTEX() for work_lock max8997_charger: Remove duplicate module.h lp8727_charger: Some minor fixes for the header lp8727_charger: Add header file power_supply: Convert drivers/power/* to use module_platform_driver() power_supply: Add "unknown" in power supply type ...
2012-01-11Merge branch 'slab/for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux * 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux: slub: disallow changing cpu_partial from userspace for debug caches slub: add missed accounting slub: Extract get_freelist from __slab_alloc slub: Switch per cpu partial page support off for debugging slub: fix a possible memleak in __slab_alloc() slub: fix slub_max_order Documentation slub: add missed accounting slab: add taint flag outputting to debug paths. slub: add taint flag outputting to debug paths slab: introduce slab_max_order kernel parameter slab: rename slab_break_gfp_order to slab_max_order
2012-01-11Merge tag 'md-3.3-fixes' of git://neil.brown.name/mdLinus Torvalds
Two bugfixes for md. One is a recently introduced regression that affects an unusual configuration with a guaranteed BUG_ON. Has been tagged for -stable. The other is minor missing functionality. * tag 'md-3.3-fixes' of git://neil.brown.name/md: md/raid1: perform bad-block tests for WriteMostly devices too. md: notify the 'degraded' sysfs attribute on failure.
2012-01-11Merge branch 'linux-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci * 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: (80 commits) x86/PCI: Expand the x86_msi_ops to have a restore MSIs. PCI: Increase resource array mask bit size in pcim_iomap_regions() PCI: DEVICE_COUNT_RESOURCE should be equal to PCI_NUM_RESOURCES PCI: pci_ids: add device ids for STA2X11 device (aka ConneXT) PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that breaks USB x86/PCI: amd: factor out MMCONFIG discovery PCI: Enable ATS at the device state restore PCI: msi: fix imbalanced refcount of msi irq sysfs objects PCI: kconfig: English typo in pci/pcie/Kconfig PCI/PM/Runtime: make PCI traces quieter PCI: remove pci_create_bus() xtensa/PCI: convert to pci_scan_root_bus() for correct root bus resources x86/PCI: convert to pci_create_root_bus() and pci_scan_root_bus() x86/PCI: use pci_scan_bus() instead of pci_scan_bus_parented() x86/PCI: read Broadcom CNB20LE host bridge info before PCI scan sparc32, leon/PCI: convert to pci_scan_root_bus() for correct root bus resources sparc/PCI: convert to pci_create_root_bus() sh/PCI: convert to pci_scan_root_bus() for correct root bus resources powerpc/PCI: convert to pci_create_root_bus() powerpc/PCI: split PHB part out of pcibios_map_io_space() ... Fix up conflicts in drivers/pci/msi.c and include/linux/pci_regs.h due to the same patches being applied in other branches.
2012-01-12ARM: mach-shmobile: r8a7779 SMP support V3Magnus Damm
This patch contains r8a7779 SMP support V3 - now including CPU hotplug offine and online support. The r8a7779 power domain code is tied together with SMP glue code which allows us to control the power domains via CPU hotplug. At this point the kernel boots with the 4 Cortex-A9 cores in SMP mode and all CPU cores except CPU0 can be hotplugged. The code in platsmp.c is quite far from pretty, but it is kept like that intentionally to avoid creating layers of code that will go away in the near future anyway. The code needs to be updated when some per-SoC handling code will be added to the ARM architecture, see the following patch for more information: "[RFC PATCH 0/3] Per SoC descriptor" Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-01-11ceph: always initialize the dentry in open_root_dentry()Alex Elder
When open_root_dentry() gets a dentry via d_obtain_alias() it does not get initialized. If the dentry obtained came from the cache, this is OK. But if not, the result is an improperly initialized dentry. To fix this, call ceph_init_dentry() regardless of which path produced the dentry. That function returns immediately for a dentry that is already initialized, it is safe to use either way. (Credit to Sage, who suggested this fix.) Signed-off-by: Alex Elder <aelder@sgi.com>
2012-01-11cpu: Register a generic CPU device on architectures that currently do notBen Hutchings
frv, h8300, m68k, microblaze, openrisc, score, um and xtensa currently do not register a CPU device. Add the config option GENERIC_CPU_DEVICES which causes a generic CPU device to be registered for each present CPU, and make all these architectures select it. Richard Weinberger <richard@nod.at> covered UML and suggested using per_cpu. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-11cpu: Do not return errors from cpu_dev_init() which will be ignoredBen Hutchings
cpu_dev_init() is only called from driver_init(), which does not check its return value. Therefore make cpu_dev_init() return void. We must register the CPU subsystem, so panic if this fails. If sched_create_sysfs_power_savings_entries() fails, the damage is contained, so ignore this (as before). Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-11Revert "atmel_lcdfb: Adjust HFP calculation so it matches the manual."Florian Tobias Schandinat
This reverts commit 5d910426a6e80194a50e33351c91abcad266c809. Nicolas Ferre <nicolas.ferre@atmel.com> wrote: "Unfortunately this is not true for all the SoC that embed the atmel_lcdfb... So I may need to rework this patch but it is certainly not applicable in the current form." Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-01-11inet_diag: Rename inet_diag_req_compat into inet_diag_reqPavel Emelyanov
Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-11inet_diag: Rename inet_diag_req into inet_diag_req_v2Pavel Emelyanov
Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-11bond_alb: don't disable softirq under bond_alb_xmitMaxim Uvarov
No need to lock soft irqs under bond_alb_xmit() which already has softirq disabled. Changes: 1. add non-bh/bh version to tlb_clear_slave() 2. represent BH and non BH hash table locks _lock_rx_hashtbl_bh/_unlock_rx_hashtbl_bh _lock_rx_hashtbl/_unlock_rx_hashtbl _lock_tx_hashtbl_bh/_unlock_tx_hashtbl_bh _lock_tx_hashtbl/_unlock_tx_hashtbl Signed-off-by: Maxim Uvarov <maxim.uvarov@oracle.com> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-11mac80211: fix rx->key NULL pointer dereference in promiscuous modeStanislaw Gruszka
Since: commit 816c04fe7ef01dd9649f5ccfe796474db8708be5 Author: Christian Lamparter <chunkeey@googlemail.com> Date: Sat Apr 30 15:24:30 2011 +0200 mac80211: consolidate MIC failure report handling is possible to that we dereference rx->key == NULL when driver set RX_FLAG_MMIC_STRIPPED and not RX_FLAG_IV_STRIPPED and we are in promiscuous mode. This happen with rt73usb and rt61pci at least. Before the commit we always check rx->key against NULL, so I assume fix should be done in mac80211 (also mic_fail path has similar check). References: https://bugzilla.redhat.com/show_bug.cgi?id=769766 http://rt2x00.serialmonkey.com/pipermail/users_rt2x00.serialmonkey.com/2012-January/004395.html Cc: stable@vger.kernel.org # 3.0+ Reported-by: Stuart D Gathman <stuart@gathman.org> Reported-by: Kai Wohlfahrt <kai.scorpio@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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