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2012-04-23mmc: core: check PM_SLEEP for mmc_bus_suspend/resume callbacksChuanxiao Dong
If PM_SLEEP is not enabled, mmc.c will give warnning since mmc_bus_suspend/ mmc_bus_resume functions are defined but not used. This patch can fix this warnning. Reported-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: omap_hsmmc: release correct resourceRussell King
res can be one of several resources, as this variable is re-used several times during probe. This can cause the wrong resource parameters to be passed to release_mem_region(). Get the original memory resource before calling release_mem_region(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: tegra: support SDHCI SPEC 300Pavan Kunapuli
Tegra3 SDHOST controller doesn't advertise v3.00 support by default. This support has to be enabled by configuring a vendor register in the tegra3 sd host address space. Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: sdio: avoid spurious calls to interrupt handlersNicolas Pitre
Commit 06e8935feb ("optimized SDIO IRQ handling for single irq") introduced some spurious calls to SDIO function interrupt handlers, such as when the SDIO IRQ thread is started, or the safety check performed upon a system resume. Let's add a flag to perform the optimization only when a real interrupt is signaled by the host driver and we know there is no point confirming it. Reported-by: Sujit Reddy Thumma <sthumma@codeaurora.org> Signed-off-by: Nicolas Pitre <nico@linaro.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: remove imxmmc driverSascha Hauer
This driver is broken since 2.6.31 when the traditional i.MX1 support was removed. In theory the i.MX1 mmc controller can be supported by the mxcmmc driver which basically is the same hardware. However, the i.MX1 controller has severe bugs which made several workarounds necessary which resulted in a different driver structure. At that time it seemed easier to write a second driver to support hardware without bugs. As noone cared for the i.MX1 driver for a long time and it does not compile, remove it. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: sdhci: Log what timeout was set if the timeout is too largeMark Brown
Rather than just logging that we came up with an excessively large timeout say what the timeout was, this may provide some clues as to what the issue is. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: davinci_mmc: set MODULE_ALIAS to allow autoloadingJan Luebbe
Davinci MMC platform devices (as in mach-davinci/devices-da8xx.c) use "davinci_mmc" as their name. To allow autoloading of the relevant driver, the module needs to set the MODULE_ALIAS. Signed-off-by: Jan Luebbe <jlu@pengutronix.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: omap_hsmmc: Cleanup use of cpu_is_* for debounce_clockRajendra Nayak
There really does not seem to be a need to use cpu_is_* check for getting the debounce clock as clkdev is perfectly capable of handling situations when certain clocks are only available on select platforms. Also get rid of the 'got_dbclk' flag and instead use the dbclk clock pointer to know if a valid debounce clock exists for the platform. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: omap_hsmmc: use spinlock IRQ safe variantVenkatraman S
Prevent possible races between HSMMC/DMA IRQs and next requests. Signed-off-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: omap_hsmmc: add DDR supportBalaji T K
Add Dual data rate support for omap_hsmmc. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-22mmc: omap_hsmmc: Enable Auto CMD12Balaji T K
Enable Auto-CMD12 for multi block read/write on HSMMC. Tested on OMAP4430, OMAP3430 and OMAP2430 SDP Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-21Linux 3.4-rc4Linus Torvalds
2012-04-21sparc32,leon: add notify_cpu_starting()Yong Zhang
Otherwise cpu_active_mask will not set, which lead to other issue. Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Signed-off-by: Konrad Eisele <konrad@gaisler.com> Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-21Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull "ARM: SoC fixes" from Olof Johansson: * at91, ux500, imx, omap and bcmring: - at91 fixes for =m driver build issues, irqdomain fixes and config dependency fixes - ux500 kconfig dependency fixes and a smp wakeup bugfix - imx idle bugfix and build fix due to irq domain changes - omap uart pinmux fixes, softreset regression revert and misc fixes - bcmring build error regression fix * ux500 and imx had some small defconfig updates in this branch * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (27 commits) ARM: bcmring: fix UART declarations ARM: imx: Fix imx5 idle logic bug ARM: imx27-dt: Fix build due to removal of irq_domain_add_simple() ARM: imx_v4_v5_defconfig: Add support for CONFIG_REGULATOR_FIXED_VOLTAGE ARM: OMAP1: DMTIMER: fix broken timer clock source selection ARM: OMAP: serial: Fix the ocp smart idlemode handling bug ARM: OMAP2+: UART: Fix incorrect population of default uart pads ARM: OMAP: sram: fix BUG in dpll code for !PM case dmaengine: Kconfig: fix Atmel at_hdmac entry USB: gadget/at91_udc: add gpio_to_irq() function to vbus interrupt USB: ohci-at91: change annotations for probe/remove functions leds-atmel-pwm.c: Make pwmled_probe() __devinit ARM: at91: fix at91sam9261ek Ethernet dm9000 irq ARM: at91: fix rm9200ek flash size ARM: at91: remove empty at91_init_serial function ARM: at91: fix typo in at91_pmc_base assembly declaration ARM: at91: Export at91_matrix_base ARM: at91: Export at91_pmc_base ARM: at91: Export at91_ramc_base ARM: at91: Export at91_st_base ...
2012-04-21Merge tag 'mmc-fixes-for-3.4-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc Pull MMC fixes from Chris Ball: - Build fix for omap_hsmmc with OF against 3.4-rc1. - Fix CONFIG_MMC_UNSAFE_RESUME semantics regression against 3.3, which broke hotplug card detection when UNSAFE_RESUME is set. - Fix a race condition in omap_hsmmc with runtime PM. - Fix two libertas SDIO-powered-resume regressions. - Small fixes for discard/sanitize, dw_mmc, cd-gpio and esdhc-imx. * tag 'mmc-fixes-for-3.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: mmc: core: Do not pre-claim host in suspend mmc: dw_mmc: prevent NULL dereference for dma_ops mmc: unbreak sdhci-esdhc-imx on i.MX25 mmc: cd-gpio: Include header to pickup exported symbol prototypes mmc: sdhci: refine non-removable card checking for card detection mmc: dw_mmc: Fix switch from DMA to PIO mmc: remove MMC bus legacy suspend/resume method mmc: omap_hsmmc: Get rid of of_have_populated_dt() usage mmc: omap_hsmmc: build fix for CONFIG_OF=y and CONFIG_MMC_OMAP_HS=m mmc: fixes for eMMC v4.5 sanitize operation mmc: fixes for eMMC v4.5 discard operation
2012-04-21Merge branch 'v4l_for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media fixes from Mauro Carvalho Chehab: - Fixes a regression at DVB core when switching from DVB-S2 to DVB-S on Kaffeine (Fedora 16 Bugzilla #812895); - Fixes a mutex unlock at an error condition at drx-k; - Fix winbond-cir set mode; - mt9m032: Fix a compilation breakage with some random Kconfig; - mt9m032: fix two dead locks; - xc5000: don't require an special firmware (that won't be provided by the vendor) just because the xtal frequency is different; - V4L DocBook: fix some typos at multi-plane formats description. * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] xc5000: support 32MHz & 31.875MHz xtal using the 41.024.5 firmware [media] V4L: mt9m032: fix compilation breakage [media] V4L: DocBook: Fix typos in the multi-plane formats description [media] V4L: mt9m032: fix two dead-locks [media] rc-core: set mode for winbond-cir [media] drxk: Does not unlock mutex if sanity check failed in scu_command() [media] dvb_frontend: Fix a regression when switching back to DVB-S
2012-04-21Merge tag 'mfd-for-linus-3.4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 Pull MFD fixes from Samuel Ortiz: "We have 3 build fixes, a OMAP USB host PHY reset fix and the twl6040 conversion to an i2c driver. The latter may not sound like a fix but the twl6040 MFD driver won't probe without it, triggering an OMAP4 audio regression." * tag 'mfd-for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: mfd: Fix modular builds of rc5t583 regulator support mfd: Fix asic3_gpio_to_irq ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue mfd: Convert twl6040 to i2c driver, and separate it from twl core mfd : Fix dbx500 compilation error
2012-04-21kill mm argument of vm_munmap()Al Viro
it's always current->mm Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-04-21perfmon: kill some helpers and argumentsAl Viro
pfm_vm_munmap() is simply vm_munmap() and pfm_remove_smpl_mapping() always get current as the first argument. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-04-21aio: don't bother with unmapping when aio_free_ring() is coming from exit_aio()Al Viro
... since exit_mmap() is coming and it will munmap() everything anyway. In all other cases aio_free_ring() has ctx->mm == current->mm; moreover, all other callers of vm_munmap() have mm == current->mm, so this will allow us to get rid of mm argument of vm_munmap(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-04-20mmc: core: Do not pre-claim host in suspendUlf Hansson
Since SDIO drivers may want to do some SDIO operations in their suspend callback functions, we must not keep the host claimed when calling them. Daniel Drake reported that libertas_sdio encountered a deadlock in its suspend function. Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com> Tested-by: Daniel Drake <dsd@laptop.org> [stable@: please apply to 3.2-stable and 3.3-stable] Cc: stable <stable@vger.kernel.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20mmc: dw_mmc: prevent NULL dereference for dma_opsJaehoon Chung
Now, dma_ops is assumed that use the IDMAC. But if dma_ops is assigned the pdata->dma_ops, we didn't ensure that callback function is defined. If the callback isn't defined, then we should run in PIO mode. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20mmc: unbreak sdhci-esdhc-imx on i.MX25Eric Bénard
This was broken by me in 37865fe91582582a6f6c00652f6a2b1ff71f8a78 ("mmc: sdhci-esdhc-imx: fix timeout on i.MX's sdhci") where more extensive tests would have shown that read or write of data to the card were failing (even if the partition table was correctly read). Signed-off-by: Eric Bénard <eric@eukrea.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Cc: stable <stable@vger.kernel.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20mmc: cd-gpio: Include header to pickup exported symbol prototypesH Hartley Sweeten
Include the linux/mmc/cd-gpio.h header to pickup the prototypes for the two exported symbols. This quiets the sparse warnings: warning: symbol 'mmc_cd_gpio_request' was not declared. Should it be static? warning: symbol 'mmc_cd_gpio_free' was not declared. Should it be static? Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20mmc: sdhci: refine non-removable card checking for card detectionDaniel Drake
Commit c79396c191bc19 ("mmc: sdhci: prevent card detection activity for non-removable cards") disables card detection where the cards are marked as non-removable. This makes sense, but the implementation detail of calling mmc_card_is_removable() causes some problems, because mmc_card_is_removable() is overloaded with CONFIG_MMC_UNSAFE_RESUME semantics. In the OLPC XO case, we need CONFIG_MMC_UNSAFE_RESUME because our root filesystem is stored on SD, but we also have external SD card slots where we want automatic card detection. Refine the check to only apply to hosts marked as MMC_CAP_NONREMOVABLE, which is defined to mean that the card is *really* nonremovable. This could be revisited in future if we find a way to improve CONFIG_MMC_UNSAFE_RESUME semantics. Signed-off-by: Daniel Drake <dsd@laptop.org> Acked-by: Chuanxiao Dong <chuanxiao.dong@intel.com> [stable@: please apply to 3.3-stable] Cc: stable <stable@vger.kernel.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20mmc: dw_mmc: Fix switch from DMA to PIOSeungwon Jeon
When dw_mci_pre_dma_transfer returns failure in some reasons, dw_mci_submit_data will prepare to switch the PIO mode from DMA. After switching to PIO mode, DMA(IDMAC in particular) is still enabled. This makes the corruption in handling interrupt and the driver lock-up. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20mmc: remove MMC bus legacy suspend/resume methodChuanxiao Dong
MMC bus is using legacy suspend/resume method, which is not compatible if runtime pm callbacks are used. In this scenario, MMC bus suspend/resume callbacks cannot be called when system entering S3. So change to use the new defined dev_pm_ops for system sleeping mode. Tested on AM335x Platform. Solves major issue/crash reported at http://www.mail-archive.com/linux-omap@vger.kernel.org/msg65425.html Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com> Tested-by: Hebbar, Gururaja <gururaja.hebbar@ti.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Ulf Hansson <ulf.hansson@stericsson.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20VM: add "vm_mmap()" helper functionLinus Torvalds
This continues the theme started with vm_brk() and vm_munmap(): vm_mmap() does the same thing as do_mmap(), but additionally does the required VM locking. This uninlines (and rewrites it to be clearer) do_mmap(), which sadly duplicates it in mm/mmap.c and mm/nommu.c. But that way we don't have to export our internal do_mmap_pgoff() function. Some day we hopefully don't have to export do_mmap() either, if all modular users can become the simpler vm_mmap() instead. We're actually very close to that already, with the notable exception of the (broken) use in i810, and a couple of stragglers in binfmt_elf. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-20VM: add "vm_munmap()" helper functionLinus Torvalds
Like the vm_brk() function, this is the same as "do_munmap()", except it does the VM locking for the caller. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-20mmc: omap_hsmmc: Get rid of of_have_populated_dt() usageRajendra Nayak
of_have_populated_dt() is not expected to be used in drivers but instead only in early platform init code. Drivers on the other hand should rely on dev->of_node or of_match_device(). Besides usage of of_have_populated_dt() also throws up build error as below which was reported by Balaji TK, when omap_hsmmc is built as a module. ERROR: "allnodes" [drivers/mmc/host/omap_hsmmc.ko] undefined! make[1]: *** [__modpost] Error 1 make: *** [modules] Error 2 So get rid of all of_have_populated_dt() usage in omap_hsmmc driver and instead use dev->of_node to make the same dicisions as earlier. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Reported-by: Benoit Cousson <b-cousson@ti.com> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Rob Herring <rob.herring@calxeda.com> Reviewed-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20mmc: omap_hsmmc: build fix for CONFIG_OF=y and CONFIG_MMC_OMAP_HS=mChris Ball
Commit 46856a68dc ("mmc: omap_hsmmc: Convert hsmmc driver to use device tree") introduced in 3.4-rc1 has a missing semi-colon, causing: drivers/mmc/host/omap_hsmmc.c:1745: error: expected ',' or ';' before 'extern' Reported-by: Russell King <linux@arm.linux.org.uk> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20mmc: fixes for eMMC v4.5 sanitize operationAdrian Hunter
eMMC v4.5 sanitize operation erases all copies of unmapped data. However trim or erase operations must be used first to unmap the required sectors. That was not being done. Fixes apply to linux 3.2 on. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: <stable@vger.kernel.org> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20mmc: fixes for eMMC v4.5 discard operationAdrian Hunter
eMMC v4.5 discard operation is significantly different from the existing trim operation because it is not guaranteed to work with the new sanitize operation. Consequently mmc_can_trim() is separated from mmc_can_discard(). Also the new discard operation does not result in the sectors being set to all-zeros, so discard_zeroes_data must not be set. In addition, the new discard has the same timeout as trim, but from v4.5 trim is defined to use the hc timeout. The timeout calculation is adjusted accordingly. Fixes apply to linux 3.2 on. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: <stable@vger.kernel.org> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-04-20VM: add "vm_brk()" helper functionLinus Torvalds
It does the same thing as "do_brk()", except it handles the VM locking too. It turns out that all external callers want that anyway, so we can make do_brk() static to just mm/mmap.c while at it. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-20Merge tag 'for-torvalds-20120418' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pinctrl fixes from Linus Walleij: - Fixed compilation errors and warnings - Stricter checks on the ops vtable * tag 'for-torvalds-20120418' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: implement pinctrl_check_ops pinctrl: include <linux/bug.h> to prevent compile errors pinctrl: fix compile error if not select PINMUX support
2012-04-20Merge tag 'tty-3.4-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull 3 tiny tty bugfixes from Greg Kroah-Hartman. * tag 'tty-3.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: drivers/tty/amiserial.c: add missing tty_unlock pch_uart: Fix dma channel unallocated issue ARM: clps711x: serial driver hungs are a result of call disable_irq within ISR
2012-04-20Merge tag 'usb-3.4-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg Kroah-Hartman: "Here are a number of tiny USB fixes for 3.4-rc4. Most of them are in the USB gadget area, but a few other minor USB driver and core fixes are here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'usb-3.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (36 commits) USB: serial: cp210x: Fixed usb_control_msg timeout values USB: ehci-tegra: don't call set_irq_flags(IRQF_VALID) USB: yurex: Fix missing URB_NO_TRANSFER_DMA_MAP flag in urb USB: yurex: Remove allocation of coherent buffer for setup-packet buffer drivers/usb/misc/usbtest.c: add kfrees USB: ehci-fsl: Fix kernel crash on mpc5121e uwb: fix error handling uwb: fix use of del_timer_sync() in interrupt EHCI: always clear the STS_FLR status bit EHCI: fix criterion for resuming the root hub USB: sierra: avoid QMI/wwan interface on MC77xx usb: usbtest: avoid integer overflow in alloc_sglist() usb: usbtest: avoid integer overflow in test_ctrl_queue() USB: fix deadlock in bConfigurationValue attribute method usb: gadget: eliminate NULL pointer dereference (bugfix) usb: gadget: uvc: Remove non-required locking from 'uvc_queue_next_buffer' routine usb: gadget: rndis: fix Missing req->context assignment usb: musb: omap: fix the error check for pm_runtime_get_sync usb: gadget: udc-core: fix asymmetric calls in remove_driver usb: musb: omap: fix crash when musb glue (omap) gets initialized ...
2012-04-20Merge tag 'stable/for-linus-3.4-rc3-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull xen fixes from Konrad Rzeszutek Wilk: - mechanism to work with misconfigured backends (where they are advertised but in reality don't exist). - two tiny compile warning fixes. - proper error handling in gnttab_resume - Not using VM_PFNMAP anymore to allow backends in the same domain. * tag 'stable/for-linus-3.4-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: Revert "xen/p2m: m2p_find_override: use list_for_each_entry_safe" xen/resume: Fix compile warnings. xen/xenbus: Add quirk to deal with misconfigured backends. xen/blkback: Fix warning error. xen/p2m: m2p_find_override: use list_for_each_entry_safe xen/gntdev: do not set VM_PFNMAP xen/grant-table: add error-handling code on failure of gnttab_resume
2012-04-20Revert "ACPI: ignore FADT reset-reg-sup flag"Linus Torvalds
This reverts commit cf450136bfde77c7f95065c91bffded4aa7fa731. It breaks reboot on at least one Thinkpad T43, as reported by Jörg Otte: "On reboot it shuts down as normal. The last lines displayed are: >Unmounting temporary filesystems.. [OK] >Deactivating swap... [OK] >Unmounting local filesystems... [OK] >Will now restart > Restarting system Then I hear it accessing the cd-drive, but then it's being stuck." Jörg bisected the regression to this commit. That commit fixes another machine (see https://bugzilla.kernel.org/show_bug.cgi?id=11533 for details) that has a BIOS bug and doesn't support ACPI reset. However, at least one of those other reporters no longer even has the machine in question, and had a different workaround to begin with. Besides, it clearly was a buggy BIOS. Let's not break the correct case to fix that case. Reported-and-bisected-by: Jörg Otte <jrg.otte@googlemail.com> Cc: linux-acpi@vger.kernel.org Cc: Len Brown <lenb@kernel.org> Cc: Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-20memblock: memblock should be able to handle zero length operationsTejun Heo
Commit 24aa07882b ("memblock, x86: Replace memblock_x86_reserve/ free_range() with generic ones") replaced x86 specific memblock operations with the generic ones; unfortunately, it lost zero length operation handling in the process making the kernel panic if somebody tries to reserve zero length area. There isn't much to be gained by being cranky to zero length operations and panicking is almost the worst response. Drop the BUG_ON() in memblock_reserve() and update memblock_add_region/isolate_range() so that all zero length operations are handled as noops. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org Reported-by: Valere Monseur <valere.monseur@ymail.com> Bisected-by: Joseph Freeman <jfree143dev@gmail.com> Tested-by: Joseph Freeman <jfree143dev@gmail.com> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43098 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-20Merge tag 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pyll hwmon fixes from Guenter Roeck: "Two patches: Fix build warning in ads1015 driver, and fix bogus power values with current BIOSes in fam15h_power driver." * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (ads1015) Fix build warning hwmon: fam15h_power: fix bogus values with current BIOSes
2012-04-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
Pull crypto fixes from Herbert Xu: - Locking fix for talitos driver - Fix 64-bit counter overflow in SHA-512 - Build fix for ixp4xx. * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: talitos - properly lock access to global talitos registers crypto: ixp4xx - include fix crypto: sha512 - Fix byte counter overflow in SHA-512
2012-04-20Merge tag 'sound-3.4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Fixes for a few regressions of HD-audio, originated partly from 3.4 and partly 3.3. The fixes for ThinkPad docking-station are for 3.3 kernels, thus they are based on 3.3 then merged back to 3.4, so that they can be merged to stable tree cleanly. The non-trivial merge conflicts are because of this action. In addition, a couple of trivial fixes for documentation and a long- standing issue in the listing of built-in sound driver at boot time." * tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/conexant - Set up the missing docking-station pins ALSA: hda/conexant - Don't set HP pin-control bit unconditionally ALSA: workaround: change the timing of alsa_sound_last_init() ALSA: hda/sigmatel - Fix inverted mute LED ALSA: hda/realtek - Fix regression on Quanta/Gericom KN1 ALSA: fix core/vmaster.c kernel-doc warning
2012-04-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID fixes from Jiri Kosina: "Fix for one particular device (bluetooth Tivo Slide) and change of 'default y' -> 'default n' for CONFIG_HID_BATTERY_STRENGTH which I overlooked in the initial merge of the battery support" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: default HID_BATTERY_STRENGTH to no HID: tivo: fix support for bluetooth version of tivo Slide
2012-04-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68k arch fixes from Greg Ungerer: "This contains four fixes for 3.4. Two fix and clean up compilation for the nommu 68x328 CPU targets. The other two fix the platform definition and multi-function pin setup of the second eth interface on the ColdFire 5275 SoC." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: make sure 2nd FEC eth interface pins are enabled on 5275 ColdFire m68knommu: fix id number for second eth device on 5275 ColdFire m68knommu: move and fix the 68VZ328 platform bootlogo.h m68knommu: remove the unused bootlogo.h processing for 68EZ328 and 68VZ328
2012-04-20Revert "xen/p2m: m2p_find_override: use list_for_each_entry_safe"Konrad Rzeszutek Wilk
This reverts commit b960d6c43a63ebd2d8518b328da3816b833ee8cc. If we have another thread (very likely) touched the list, we end up hitting a problem "that the next element is wrong because we should be able to cope with that. The problem is that the next->next pointer would be set LIST_POISON1. " (Stefano's comment on the patch). Reverting for now. Suggested-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-04-20USB: serial: cp210x: Fixed usb_control_msg timeout valuesYuri Matylitski
Fixed too small hardcoded timeout values for usb_control_msg in driver for SiliconLabs cp210x-based usb-to-serial adapters. Replaced with USB_CTRL_GET_TIMEOUT/USB_CTRL_SET_TIMEOUT. Signed-off-by: Yuri Matylitski <ym@tekinsoft.com> Acked-by: Kirill A. Shutemov <kirill@shutemov.name> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-19drivers/tty/amiserial.c: add missing tty_unlockJulia Lawall
tty_unlock is used on all other exits from the function. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Jiri Slaby <jslaby@suse.cz> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-19Merge branch 'for-3.4' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
Pull nfsd bugfixes from J. Bruce Fields: "One bugfix, and one minor header fix from Jeff Layton while we're here" * 'for-3.4' of git://linux-nfs.org/~bfields/linux: nfsd: include cld.h in the headers_install target nfsd: don't fail unchecked creates of non-special files
2012-04-19[media] xc5000: support 32MHz & 31.875MHz xtal using the 41.024.5 firmwareMichael Krufky
Rather than loading firmware specific for the xtal frequency, just use the standard firmware and set the xtal frequency after firmware upload. The modified firmware will never be released, so we're better off merging this now rather than waiting for v3.5. Signed-off-by: Michael Krufky <mkrufky@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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