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2012-05-20pinctrl: pinctrl-imx: add imx51 pinctrl driverDong Aisheng
ChangeLog v1->v2: * change PIN_FUNC_ID base in binding doc to 0 from 1. Acked-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-20pinctrl: pinctrl-imx: add imx53 pinctrl driverDong Aisheng
ChangeLog v1->v2: * change PIN_FUNC_ID base in binding doc to 0 from 1. Acked-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-15pinctrl: pinctrl-pxa3xx: remove empty pinmux disable functionDong Aisheng
Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-15pinctrl: pinctrl-mxs: remove empty pinmux disable functionDong Aisheng
Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-15pinctrl: pinctrl-imx: remove empty pinmux disable functionDong Aisheng
Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-15pinctrl: make pinmux disable function optionalDong Aisheng
Some SoCs may not have pinmux disable function in HW. Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-15pinctrl: a minor error checking improvement for pinconfDong Aisheng
Also checking invalid num_configs when validate the pinconf map. Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-14pinctrl: mxs: skip gpio nodes for group creationShawn Guo
The recent added mxs gpio device tree bindings require gpio nodes defined under pinctrl node too. The pinctrl-mxs driver should skip these node for group parsing and creating. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-14pinctrl: mxs: create group for pin config nodeShawn Guo
The initial mxs pinctrl support, commit 1772311 (pinctrl: add pinctrl-mxs support) skipped creating group from device tree pin config node. Add it to get pin config node work for client device. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-07pinctrl: add more info to error msgs in pin_requestStephen Warren
Additionally print which pin the request failed for, which entity already claimed it, and what entity was trying to claim it. Remove duplicate device name from a debug message. Clean up some indentation. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-02pinctrl: add pinctrl-mxs supportShawn Guo
Add pinctrl support for Freescale MXS SoCs, i.MX23 and i.MX28. The driver supports device tree probe only. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-02pinctrl: pinctrl-imx: add imx6q pinctrl driverDong Aisheng
Acked-by: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-02pinctrl: pinctrl-imx: add imx pinctrl core driverDong Aisheng
The driver has mux and config support while the gpio is still not supported. For select input setting, the driver will handle it internally and do not need user to take care of it. The pinctrl-imx core driver will parse the dts file and dynamically create the pinmux functions and groups. Each IMX SoC pinctrl driver should register pins with a pin register map including mux register and config register and select input map to core for proper operations. Acked-by: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-05-02pinctrl: support gpio request deferred probingDong Aisheng
As pinctrl handles, it may be possible the pinctrl gpio ranges are still not got registered when user call pinctrl_gpio_request. Thus, add defer support for it too. Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-26pinctrl: add pinctrl_provide_dummies interface for platforms to useDong Aisheng
Add a interface pinctrl_provide_dummies for platform to indicate whether it needs use pinctrl dummy state. ChangeLog v3->v4: * remove dummy gpio support in pinctrl subsystem. Let gpio driver decide whether it wants to use pinctrl gpio mux function. ChangeLog v2->v3: * Also changed the missed pinctrl gpio APIs in v1. ChangeLog v1->v2: * Based on sascha's suggestion, drop using kconfig since it will hide pinctrl errors on all other boards. See: https://lkml.org/lkml/2012/4/18/282 It seemed both Linus and Stephen agreed with this way, so i'm ok with it too. * Add dummy gpio support. pinctrl gpio in the same situation as state. * Patch name changed. Original is pinctrl: handle dummy state in core. * Split removing old dt dummy interface into a separate patch Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-26pinctrl: enhance reporting of errors when loading from DTJohn Crispin
There are a few places in the api where the code simply returns -EINVAL when it finds an error. An example is pinmux_map_to_setting() which now reports an error if we try to match a group with a function that it does not support. The reporting of errors in pinconf_check_ops and pinmux_check_ops now has the same style and is located inside the according functions and not the calling code. When the map is found in the DT but the default state can not be selected we get an error to know that the code at least tried. The patch also removes a stray word from one comment and a "->" from another for the sake of consistency. Finally we replace a few pr_err/debug() calls with dev_err/dbg(). Thanks go to Stephen Warren for reviewing the patch and enhancing the reporting inside pinmux_map_to_setting(). Signed-off-by: John Crispin <blogic@openwrt.org> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-26pinctrl: propagate map validation errorsStephen Warren
pinctrl_register_map() was returning early if pinmux_validate_map() or pinconf_validate_map() failed, but was not actually returning the error code. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-24pinctrl: fix signed vs unsigned conditionals inside pinmux_map_to_settingJohn Crispin
pinmux_map_to_setting() uses setting->data.mux.func/group to store the return code of pinmux_func_name_to_selector/pinctrl_get_group_selector(). However, struct pinctrl_setting_mux defines these elements as unsigned, resulting in all error codes getting lost. The conditionals following the assignments will always evaluate to false thus breaking the error paths. This bug can be triggered by loading a pinmux group map from the devicetree with an invalid function/group string. Signed-off-by: John Crispin <blogic@openwrt.org> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: show pin name for pingroups in sysfsDong Aisheng
Pin name is more useful to users. After change, when cat pingroups in sysfs, it becomes: root@freescale /sys/kernel/debug/pinctrl/20e0000.iomuxc$ cat pingroups registered pin groups: group: uart4grp-1 pin 219 (MX6Q_PAD_KEY_ROW0) pin 218 (MX6Q_PAD_KEY_COL0) group: usdhc4grp-1 pin 305 (MX6Q_PAD_SD4_CMD) pin 306 (MX6Q_PAD_SD4_CLK) pin 315 (MX6Q_PAD_SD4_DAT0) pin 316 (MX6Q_PAD_SD4_DAT1) pin 317 (MX6Q_PAD_SD4_DAT2) pin 318 (MX6Q_PAD_SD4_DAT3) pin 319 (MX6Q_PAD_SD4_DAT4) pin 320 (MX6Q_PAD_SD4_DAT5) pin 321 (MX6Q_PAD_SD4_DAT6) pin 322 (MX6Q_PAD_SD4_DAT7) Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: show pin name when request pinsDong Aisheng
Pin name is more useful to users. Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: implement devm_pinctrl_get()/put()Stephen Warren
These functions allow the driver core to automatically clean up any allocations made by drivers, thus leading to simplified drivers. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: a minor fix of pin config debug informationDong Aisheng
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: pinconf: fix compilation error if PINCONF is not selectedViresh Kumar
When we compile pinctrl layer for platforms without CONFIG_PINCONF, we get following compilation errors: drivers/built-in.o: In function `pinctrl_show': linux-2.6/drivers/pinctrl/core.c:1116: undefined reference to `pinconf_show_setting' drivers/built-in.o: In function `pinctrl_maps_show': linux-2.6/drivers/pinctrl/core.c:1071: undefined reference to `pinconf_show_map' drivers/built-in.o: In function `pinctrl_init_device_debugfs': linux-2.6/drivers/pinctrl/core.c:1224: undefined reference to `pinconf_init_device_debugfs' make[1]: *** [.tmp_vmlinux1] Error 1 This patch fixes this. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: allow pctldevs to decode pin config in debugfsStephen Warren
Add a pinconf op so that pin controller drivers can decode their pin config settings for debugfs. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: ifdef CONFIG_DEBUG_FS cleanupStephen Warren
Only provide prototypes for pin{mux,conf}.c debugfs-related functions when both CONFIG_PIN* /and/ CONFIG_DEBUG_FS are enabled, otherwise provide static inlines. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: mark non-EXPERIMENTALLinus Walleij
With the finalization of the external driver API and the device tree support, this subsystem is now mature and can be promoted to non-experimental status. Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: tegra: Add complete device tree supportStephen Warren
Implement pinctrl_ops dt_node_to_map() and dt_free_map(). These allow complete specification of the desired pinmux configuration using device tree. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18dt: add property iteration helpersStephen Warren
This patch adds macros of_property_for_each_u32() and of_property_for_each_string(), which iterate over an array of values within a device-tree property. Usage is for example: struct property *prop; const __be32 *p; u32 u; of_property_for_each_u32(np, "propname", prop, p, u) printk("U32 value: %x\n", u); struct property *prop; const char *s; of_property_for_each_string(np, "propname", prop, s) printk("String value: %s\n", s); Based on work by Rob Herring <robherring2@gmail.com> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: implement pinctrl deferred probingLinus Walleij
If drivers try to obtain pinctrl handles for a pin controller that has not yet registered to the subsystem, we need to be able to back out and retry with deferred probing. So let's return -EPROBE_DEFER whenever this location fails. Also downgrade the errors to info, maybe we will even set them to debug once the deferred probing is commonplace. Cc: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: add some error checking for user interfacesDong Aisheng
This patch can avoid kernel oops in case the mux or config function is not supported by driver. Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: fix pinmux_check_ops error checkingDong Aisheng
Do not use get_functions_count before checking. Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: replace list_*() with get_*_count()Viresh Kumar
Most of the SoC drivers implement list_groups() and list_functions() routines for pinctrl and pinmux. These routines continue returning zero until the selector argument is greater than total count of available groups or functions. This patch replaces these list_*() routines with get_*_count() routines, which returns the number of available selection for SoC driver. pinctrl layer will use this value to check the range it can choose. This patch fixes all user drivers for this change. There are other routines in user drivers, which have checks to check validity of selector passed to them. It is also no more required and hence removed. Documentation updated as well. Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> [Folded in fix and fixed a minor merge artifact manually] Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: mark const init data with __initconst instead of __initdataUwe Kleine-König
As long as there is no other non-const variable marked __initdata in the same compilation unit it doesn't hurt. If there were one however compilation would fail with error: $variablename causes a section type conflict because a section containing const variables is marked read only and so cannot contain non-const variables. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: fix build when CONFIG_OF && !CONFIG_PINCTRLStephen Warren
pinctrl/devicetree.c won't compile when !CONFIG_PINCTRL, since the pinctrl headers don't declare some types when !PINCTRL. Make sure pinctrl/Makefile only attempts to compile devicetree.c when OF && PINCTRL. Acked-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: core device tree mapping table parsing supportStephen Warren
During pinctrl_get(), if the client device has a device tree node, look for the common pinctrl properties there. If found, parse the referenced device tree nodes, with the help of the pinctrl drivers, and generate mapping table entries from them. During pinctrl_put(), free any results of device tree parsing. Acked-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-18pinctrl: implement pinctrl_check_opsStephen Warren
Most code assumes that the pinctrl ops are present. Validate this when registering a pinctrl driver. Remove the one place in the code that was checking whether one of these non-optional ops was present. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-04-15Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds
Pull ARM fixes from Russell King: "Nothing too disasterous, the biggest thing being the removal of the regulator support for vcore in the AMBA driver; only one SoC was using this and it got broken during the last merge window, which then started causing problems for other people. Mutual agreement was reached for it to be removed." * 'fixes' of git://git.linaro.org/people/rmk/linux-arm: ARM: 7386/1: jump_label: fixup for rename to static_key ARM: 7384/1: ThumbEE: Disable userspace TEEHBR access for !CONFIG_ARM_THUMBEE ARM: 7382/1: mm: truncate memory banks to fit in 4GB space for classic MMU ARM: 7359/2: smp_twd: Only wait for reprogramming on active cpus ARM: 7383/1: nommu: populate vectors page from paging_init ARM: 7381/1: nommu: fix typo in mm/Kconfig ARM: 7380/1: DT: do not add a zero-sized memory property ARM: 7379/1: DT: fix atags_to_fdt() second call site ARM: 7366/3: amba: Remove AMBA level regulator support ARM: 7377/1: vic: re-read status register before dispatching each IRQ handler ARM: 7368/1: fault.c: correct how the tsk->[maj|min]_flt gets incremented
2012-04-15PCI: Fix regression in pci_restore_state(), v3Rafael J. Wysocki
Commit 26f41062f28d ("PCI: check for pci bar restore completion and retry") attempted to address problems with PCI BAR restoration on systems where FLR had not been completed before pci_restore_state() was called, but it did that in an utterly wrong way. First off, instead of retrying the writes for the BAR registers only, it did that for all of the PCI config space of the device, including the status register (whose value after the write quite obviously need not be the same as the written one). Second, it added arbitrary delay to pci_restore_state() even for systems where the PCI config space restoration was successful at first attempt. Finally, the mdelay(10) it added to every iteration of the writing loop was way too much of a delay for any reasonable device. All of this actually caused resume failures for some devices on Mikko's system. To fix the regression, make pci_restore_state() only retry the writes for BAR registers and only wait if the first read from the register doesn't return the written value. Additionaly, make it wait for 1 ms, instead of 10 ms, after every failing attempt to write into config space. Reported-by: Mikko Vinni <mmvinni@yahoo.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-15Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull "ARM: a few more SoC fixes for 3.4-rc" from Olof Johansson: - A handful of warning and build fixes for Qualcomm MSM - Build/warning and bug fixes for Samsung Exynos - A fix from Rob Herring that removes misplaced interrupt-parent properties from a few device trees - A fix to OMAP dealing with cpufreq build errors, removing some of the offending code since it was redundant anyway * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: OMAP: clock: cleanup CPUfreq leftovers, fix build errors ARM: dts: remove blank interrupt-parent properties ARM: EXYNOS: Fix Kconfig dependencies for device tree enabled machine files ARM: EXYNOS: Remove broken config values for touchscren for NURI board ARM: EXYNOS: set fix xusbxti clock for NURI and Universal210 boards ARM: EXYNOS: fix regulator name for NURI board ARM: SAMSUNG: make SAMSUNG_PM_DEBUG select DEBUG_LL ARM: msm: Fix section mismatches in proc_comm.c video: msm: Fix section mismatches in mddi.c arm: msm: trout: fix compile failure arm: msm: halibut: remove unneeded fixup ARM: EXYNOS: Add PDMA and MDMA physical base address defines ARM: S5PV210: Fix compiler warning in dma.c file ARM: EXYNOS: Fix compile error in exynos5250-cpufreq.c ARM: EXYNOS: Add missing definition for IRQ_I2S0 ARM: S5PV210: fix unused LDO supply field from wm8994_pdata
2012-04-15SCSI: Fix error handling when no ULD is attachedMartin K. Petersen
Commit 18a4d0a22ed6 ("[SCSI] Handle disk devices which can not process medium access commands") introduced a bug in which we would attempt to dereference the scsi driver even when the device had no ULD attached. Ensure that a driver is registered and make the driver accessor function more resilient to errors during device discovery. Reported-by: Elric Fu <elricfu1@gmail.com> Reported-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-13Merge tag 'fbdev-fixes-for-3.4-1' of git://github.com/schandinat/linux-2.6Linus Torvalds
Pull fbdev fixes from Florian Tobias Schandinat: - a compile fix for au1*fb - a fix to make kyrofb usable on x86_64 - a fix for uvesafb to prevent an oops due to NX-protection "The fix for kyrofb is a bit large but it's just replacing "unsigned long" by "u32" for 64 bit compatibility." * tag 'fbdev-fixes-for-3.4-1' of git://github.com/schandinat/linux-2.6: video:uvesafb: Fix oops that uvesafb try to execute NX-protected page fbdev: fix au1*fb builds kyrofb: fix on x86_64
2012-04-13Merge branch 'for-3.4/drivers' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block driver bits from Jens Axboe: - A series of fixes for mtip32xx. Most from Asai at Micron, but also one from Greg, getting rid of the dependency on PCIE_HOTPLUG. - A few bug fixes for xen-blkfront, and blkback. - A virtio-blk fix for Vivek, making resize actually work. - Two fixes from Stephen, making larger transfers possible on cciss. This is needed for tape drive support. * 'for-3.4/drivers' of git://git.kernel.dk/linux-block: block: mtip32xx: remove HOTPLUG_PCI_PCIE dependancy mtip32xx: dump tagmap on failure mtip32xx: fix handling of commands in various scenarios mtip32xx: Shorten macro names mtip32xx: misc changes mtip32xx: Add new sysfs entry 'status' mtip32xx: make setting comp_time as common mtip32xx: Add new bitwise flag 'dd_flag' mtip32xx: fix error handling in mtip_init() virtio-blk: Call revalidate_disk() upon online disk resize xen/blkback: Make optional features be really optional. xen/blkback: Squash the discard support for 'file' and 'phy' type. mtip32xx: fix incorrect value set for drv_cleanup_done, and re-initialize and start port in mtip_restart_port() cciss: Fix scsi tape io with more than 255 scatter gather elements cciss: Initialize scsi host max_sectors for tape drive support xen-blkfront: make blkif_io_lock spinlock per-device xen/blkfront: don't put bdev right after getting it xen-blkfront: use bitmap_set() and bitmap_clear() xen/blkback: Enable blkback on HVM guests xen/blkback: use grant-table.c hypercall wrappers
2012-04-13cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUSKevin Hilman
The OMAP driver needs a 'depends on ARCH_OMAP2PLUS' since it only builds for OMAP2+ platforms. This 'depends on' was in the original patch from Russell King, but was erroneously removed by me when making this option user-selectable in commit b09db45c (cpufreq: OMAP driver depends CPUfreq tables.) This patch remedies that. Apologies to Russell King for breaking his originally working patch. Also, thanks to Grazvydas Ignotas for reporting the same problem. Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-13Merge tag 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon patches from Guenter Roeck: "Fix build warnings in four drivers" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (pmbus_core) Fix compiler warning hwmon: (smsc47m1) Fix compiler warning hwmon: (acpi_power_meter) Fix compiler warning seen in some configurations hwmon: (smsc47b397) Fix compiler warning
2012-04-13Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
Pull GPIO bug fixes from Grant Likely: "Miscellaneous bug fixes to GPIO drivers and for a corner case in the gpio device tree parsing code." * tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: gpio/exynos: Fix compiler warning in gpio-samsung.c file gpio: Fix range check in of_gpio_simple_xlate() gpio: Fix uninitialized variable bit in adp5588_irq_handler gpio/sodaville: Convert sodaville driver to new irqdomain API
2012-04-13Merge tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
Pull SPI bug fixes from Grant Likely: "Miscellaneous driver bug fixes. No major changes in this branch." * tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6: spi/imx: prevent NULL pointer dereference in spi_imx_probe() spi/imx: mark base member in spi_imx_data as __iomem spi/mpc83xx: fix NULL pdata dereference bug spi/davinci: Fix DMA API usage in davinci spi/pL022: include types.h to remove compilation warnings
2012-04-13video: msm: Fix section mismatches in mddi.cDavid Brown
The change commit 461cbe77d0a4f887c33a3a95ea68a7daf23b4302 Author: Gregory Bean <gbean@codeaurora.org> Date: Wed Jul 28 10:22:13 2010 -0700 video: msm: Fix section mismatch in mddi.c. fixes a section mismatch between the board file and the driver's probe function, however, it misses the additional mismatches between the probe function and some routines it calls. Fix these up as well. Signed-off-by: David Brown <davidb@codeaurora.org>
2012-04-13ARM: 7366/3: amba: Remove AMBA level regulator supportMark Brown
The AMBA bus regulator support is being used to model on/off switches for power domains which isn't terribly idiomatic for modern kernels with the generic power domain code and creates integration problems on platforms which don't use regulators for their power domains as it's hard to tell the difference between a regulator that is needed but failed to be provided and one that isn't supposed to be there (though DT does make that easier). Platforms that wish to use the regulator API to manage their power domains can indirect via the power domain interface. This feature is only used with the vape supply of the db8500 PRCMU driver which supplies the UARTs and MMC controllers, none of which have support for managing vcore at runtime in mainline (only pl022 SPI controller does). Update that supply to have an always_on constraint until the power domain support for the system is updated so that it is enabled for these users, this is likely to have no impact on practical systems as probably at least one of these devices will be active and cause AMBA to hold the supply on anyway. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Tested-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-04-12Merge tag 'srpt-srq-type' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband Pull infiniband fix from Roland Dreier: "Add a fix for a bug hit by Alexey Shvetsov in ib_srtp that hits on non-mlx4 hardware." * tag 'srpt-srq-type' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/srpt: Set srq_type to IB_SRQT_BASIC
2012-04-12Merge tag 'usb-3.4-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are a number of fixes for the USB core and drivers for 3.4-rc2 Lots of tiny xhci fixes here, a few usb-serial driver fixes and new device ids, and a smattering of other minor fixes in different USB drivers. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'usb-3.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (30 commits) USB: update usbtmc api documentation xHCI: Correct the #define XHCI_LEGACY_DISABLE_SMI xHCI: use gfp flags from caller instead of GFP_ATOMIC xHCI: add XHCI_RESET_ON_RESUME quirk for VIA xHCI host USB: fix bug of device descriptor got from superspeed device xhci: Fix register save/restore order. xhci: Restore event ring dequeue pointer on resume. xhci: Don't write zeroed pointers to xHC registers. xhci: Warn when hosts don't halt. xhci: don't re-enable IE constantly usb: xhci: fix section mismatch in linux-next xHCI: correct to print the true HSEE of USBCMD USB: serial: fix race between probe and open UHCI: hub_status_data should indicate if ports are resuming EHCI: keep track of ports being resumed and indicate in hub_status_data USB: fix race between root-hub suspend and remote wakeup USB: sierra: add support for Sierra Wireless MC7710 USB: ftdi_sio: fix race condition in TIOCMIWAIT, and abort of TIOCMIWAIT when the device is removed USB: ftdi_sio: fix status line change handling for TIOCMIWAIT and TIOCGICOUNT USB: don't ignore suspend errors for root hubs ...
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