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* Integrate preemption state machine with Linux schedulerBjoern Brandenburg2014-10-21
| | | | Track when a processor is going to schedule "soon".
* Add object descriptor table to Linux's task_structBjoern Brandenburg2014-10-21
| | | | | This table is similar to a file descriptor table. It keeps track of which "objects" (locks) a real-time task holds a handle to.
* Extend task_struct with rt_paramBjoern Brandenburg2014-10-21
| | | | This patch adds the PCB extensions required for LITMUS^RT.
* Add hrtimer_start_on() supportFelipe Cerqueira2014-10-21
| | | | | | This patch adds hrtimer_start_on(), which allows arming timers on remote CPUs. This is needed to avoided timer interrupts on "shielded" CPUs and is also useful for implementing semi-partitioned schedulers.
* Add object list to inodesBjoern Brandenburg2014-10-21
| | | | | | | This patch adds a list of arbitrary objects to inodes. This is used by Linux's locking API to attach lock objects to inodes (which represent namespaces in Linux's locking API).
* Integrate ft_irq_fired() with LinuxBjoern Brandenburg2014-10-21
| | | | | This patch hooks up Feather-Trace's ft_irq_fired() handler with Linux's interrupt handling infrastructure.
* ENGR00323682 MMC: Fixed boot_config overwritten by switch partitionYe.Li2014-07-21
| | | | | | | | | | In MMC driver, two variables: boot_config and part_config are used to keep eCSD(179) PARTITION_CONFIG. The part_config is not updated when set new boot_config, which causes the eCSD(179) is overwritten by any following partition switching, so the new boot_config is lost. Signed-off-by: Ye.Li <B37916@freescale.com> (cherry picked from commit ed6ae43d513d211aba3ab6218feebbccbc33bdbd)
* ENGR00322021-1 pcie: pcie dbi reg can not be accessedRichard Zhu2014-07-09
| | | | | | | fixed the but that the pcie dbi reg can't be accessed on the 2014.04 version. Signed-off-by: Richard Zhu <r65037@freescale.com>
* ENGR00320792-2 Revert "drivers: usb: udc-core: add deferred bind for gadget ↵Peter Chen2014-07-04
| | | | | | | | driver" This reverts commit 22392a023eee469a7068f1ea77492d5ab9af14f9. Signed-off-by: Peter Chen <peter.chen@freescale.com>
* ENGR00317086-3 dcic: Add dcic driver source codeSandor Yu2014-07-03
| | | | | | | | Add dcic driver source code. Support two instance dcic1 and dcic2. Signed-off-by: Sandor Yu <R01008@freescale.com> (cherry picked from commit 5dd90299f33e93252bd1cc7a9704adb9f469fa66)
* ENGR00317086-2 gpr: Add dcic mux define in gpr head fileSandor Yu2014-07-03
| | | | | | | Add dcic mux bit define in gpr head file for both imx6q and imx6sx. Signed-off-by: Sandor Yu <R01008@freescale.com> (cherry picked from commit 216ccc9b67f51935c08387cac31da35fb3fb4568)
* ENGR00319720-3 usb: common: otg-fsm: add HNP polling request sending funcitonLi Jun2014-06-26
| | | | | | | This patch adds OTG status selector request sending function, can be used to poll peripheral if it wants to be host. Signed-off-by: Li Jun <b47624@freescale.com>
* ENGR00319720-2 usb: common: otg-fsm: start HNP polling timer in host stateLi Jun2014-06-26
| | | | | | | This patch starts HNP polling timer when otg is set to be a_host or b_host. Signed-off-by: Li Jun <b47624@freescale.com>
* ENGR00319720-1 usb: gadget: add host_request_flag in usb_gadget for OTGLi Jun2014-06-26
| | | | | | | This patch adds host_request_flag in usb_gadget to store host request information from application. Signed-off-by: Li Jun <b47624@freescale.com>
* usb: gadget: udc-core: move sysfs_notify() to a workqueueFelipe Balbi2014-06-26
| | | | | | | | | | | | | | | | usb_gadget_set_state() will call sysfs_notify() which might sleep. Some users might want to call usb_gadget_set_state() from the very IRQ handler which actually changes the gadget state. Instead of having every UDC driver add their own workqueue for such a simple notification, we're adding it generically to our struct usb_gadget, so the details are hidden from all UDC drivers. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <balbi@ti.com> (cherry picked from commit 5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15)
* drivers: usb: udc-core: add deferred bind for gadget driverRobert Baldyga2014-06-26
| | | | | | | | | | | | | | | | This patch adds support for deferred gadget driver bind as a remedy for situation when UDC drivers and gadget drivers are builded into the kernel, and gadget driver is loaded as first. Till now, in that case gadget driver loading failed with "No such device" and gadget driver didn't start. Now gadget drivers are added to driver_list and binded later, when UDC drivers will register in udc-core. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Peter Chen <peter.chen@freescale.com> (cherry picked from commit 3e84ec6493941e6608dca4a7efec68dee8609111)
* ENGR00318063-9: clk: do not allow parent switching with another mux being childShawn Guo2014-06-25
| | | | | | | | | | | | | When switching parent clock with another basic mux clock being its child, a glitch might be generated and propagated to downstream clocks through this child mux. The patch adds a flag CLK_IS_BASIC_MUX to identify the basic mux clocks, and prohibit the parent switching when the clock itself is the parent of any basic mux clock. With this check, the parent switching of a clock has to happen before the child mux switches to this clock path. Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
* mmc: Allow setting slot index via devicetree aliasSascha Hauer2014-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | As with gpio, uart and others, allow specifying the name_idx via the aliases-node in the devicetree. On embedded devices, there is often a combination of removable (e.g. SD card) and non-removable mmc devices (e.g. eMMC). Therefore the name_idx might change depending on - host of removable device - removable card present or not This makes it difficult to hard code the root device, if it is on the non-removable device. E.g. if SD card is present eMMC will be mmcblk1, if SD card is not present at boot, eMMC will be mmcblk0. If the aliases-node is not found, the driver will act as before. The original patch is from here: https://www.mail-archive.com/linux-mmc@vger.kernel.org/msg26472.html The patch requires additional alias_id fix or it won't work. Because according to function definition the max_idx parameter of idx_alloc is exclusive, so need add 1 or it will be unable to find the proper idx within an invalid range. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Dong Aisheng <b29396@freescale.com>
* of: Add helper for getting the maximum alias index for a stemSascha Hauer2014-06-24
| | | | | | | | | | of_alias_max_index will return the maximum number for which an alias of a given stem exists. This is useful for frameworks whishing to reserve a number of device slots from dynamic allocation. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> (cherry picked from commit 18ae7362e9822993436c1a544e49cfd58fa175b2)
* ENGR00318773-4 mxc: asrc: Add driver suspend and resume to support MEGA FastNicolin Chen2014-06-19
| | | | | | | | | | For i.MX6 SoloX, there is a mode of the SoC to shutdown all power source of modules during system suspend and resume procedure. Thus, ASRC needs to save all the values of registers before the system suspend and restore them after the system resume. Acked-by: Wang Shengjiu <b02247@freescale.com> Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>
* ENGR00318773-1 mxc: asrc: Don't use the extra work thread to handle the last ↵Nicolin Chen2014-06-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | period data The original design: -> Input DMA task -> complete() | -> Output DMA task -> complete() | | | -> Last period polling work thread -> complete() | Main thread --------------> wait_for_completion() of Input and last period It's too complicated and worthless to use an extra work thread for last period data. So this patch just switches the flow into a simpler approach: -> Input DMA task -> complete() | -> Output DMA task -> complete() | Main thread --------------> wait_for_completion() of In/Output -> Last period polling Acked-by: Wang Shengjiu <b02247@freescale.com> Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>
* ENGR00313685-7 of/irq: Create of_irq_parse_and_map_pci() to consolidate arch ↵Grant Likely2014-05-16
| | | | | | | | | | | | | | | | | | | | | code. commit 16b84e5a505c790538e534ad8dfda9c288691e40 upstream. Several architectures open code effectively the same code block for finding and mapping PCI irqs. This patch consolidates it down to a single function. Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Conflicts: arch/arm/mach-integrator/pci_v3.c arch/mips/pci/pci-rt3883.c
* ENGR00313685-5 of: Add helper for printing an of_phandle_args structureGrant Likely2014-05-16
| | | | | | | | | | | | | commit 624cfca534f9b1ffb1326617b4e973a3d5ecff4a upstream. It is sometimes useful for debug to get the contents of an of_phandle_args structure out into the kernel log. Signed-off-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Conflicts: drivers/of/base.c
* ENGR00313685-4 of/irq: Refactor interrupt-map parsingGrant Likely2014-05-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 2361613206e66ce59cc0e08efa8d98ec15b84ed1 upstream. All the users of of_irq_parse_raw pass in a raw interrupt specifier from the device tree and expect it to be returned (possibly modified) in an of_phandle_args structure. However, the primary function of of_irq_parse_raw() is to check for translations due to the presence of one or more interrupt-map properties. The actual placing of the data into an of_phandle_args structure is trivial. If it is refactored to accept an of_phandle_args structure directly, then it becomes possible to consume of_phandle_args from other sources. This is important for an upcoming patch that allows a device to be connected to more than one interrupt parent. It also simplifies the code a bit. The biggest complication with this patch is that the old version works on the interrupt specifiers in __be32 form, but the of_phandle_args structure is intended to carry it in the cpu-native version. A bit of churn was required to make this work. In the end it results in tighter code, so the churn is worth it. Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Tony Lindgren <tony@atomide.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Conflicts: drivers/of/irq.c
* ENGR00313685-3 of/irq: simplify args to irq_create_of_mappingGrant Likely2014-05-16
| | | | | | | | | | | | | | | | | | | | | | | commit e6d30ab1e7d1281784672c0fc2ffa385cfb7279e upstream. All the callers of irq_create_of_mapping() pass the contents of a struct of_phandle_args structure to the function. Since all the callers already have an of_phandle_args pointer, why not pass it directly to irq_create_of_mapping()? Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Tony Lindgren <tony@atomide.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Conflicts: arch/arm/mach-integrator/pci_v3.c arch/mips/pci/pci-rt3883.c kernel/irq/irqdomain.c
* ENGR00313685-2 of/irq: Replace of_irq with of_phandle_argsGrant Likely2014-05-16
| | | | | | | | | | | | | | | | | | | | | commit 530210c7814e83564c7ca7bca8192515042c0b63 upstream. struct of_irq and struct of_phandle_args are exactly the same structure. This patch makes the kernel use of_phandle_args everywhere. This in itself isn't a big deal, but it makes some follow-on patches simpler. Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Tony Lindgren <tony@atomide.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Conflicts: arch/arm/mach-integrator/pci_v3.c arch/mips/pci/pci-rt3883.c include/linux/of_irq.h
* ENGR00313685-1 of/irq: Rename of_irq_map_* functions to of_irq_parse_*Grant Likely2014-05-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 0c02c8007ea5554d028f99fd3e29fc201fdeeab3 upstream. The OF irq handling code has been overloading the term 'map' to refer to both parsing the data in the device tree and mapping it to the internal linux irq system. This is probably because the device tree does have the concept of an 'interrupt-map' function for translating interrupt references from one node to another, but 'map' is still confusing when the primary purpose of some of the functions are to parse the DT data. This patch renames all the of_irq_map_* functions to of_irq_parse_* which makes it clear that there is a difference between the parsing phase and the mapping phase. Kernel code can make use of just the parsing or just the mapping support as needed by the subsystem. The patch was generated mechanically with a handful of sed commands. Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Tony Lindgren <tony@atomide.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Conflicts: arch/arm/mach-integrator/pci_v3.c arch/mips/pci/pci-rt3883.c drivers/of/irq.c
* ENGR00313508-01 ARM: imx6sx: add enet sleep mode supportFugang Duan2014-05-15
| | | | | | Add enet sleep mode support for imx6sx arm2 platforms. Signed-off-by: Fugang Duan <B38611@freescale.com>
* serial: imx: Remove init() and exit() platform callbacksAlexander Shiyan2014-04-29
| | | | | | Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Huang Shijie <b32955@freescale.com>
* tty_ldisc: add more limits to the @write_wakeupHuang Shijie2014-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the uart_handle_cts_change(), uart_write_wakeup() is called after we call @uart_port->ops->start_tx(). The Documentation/serial/driver tells us: ----------------------------------------------- start_tx(port) Start transmitting characters. Locking: port->lock taken. Interrupts: locally disabled. ----------------------------------------------- So when the uart_write_wakeup() is called, the port->lock is taken by the upper. See the following callstack: |_ uart_write_wakeup |_ tty_wakeup |_ ld->ops->write_wakeup With the port->lock held, we call the @write_wakeup. Some implemetation of the @write_wakeup does not notice that the port->lock is held, and it still tries to send data with uart_write() which will try to grab the prot->lock. A dead lock occurs, see the following log caught in the Bluetooth by uart: -------------------------------------------------------------------- BUG: spinlock lockup suspected on CPU#0, swapper/0/0 lock: 0xdc3f4410, .magic: dead4ead, .owner: swapper/0/0, .owner_cpu: 0 CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 3.10.17-16839-ge4a1bef #1320 [<80014cbc>] (unwind_backtrace+0x0/0x138) from [<8001251c>] (show_stack+0x10/0x14) [<8001251c>] (show_stack+0x10/0x14) from [<802816ac>] (do_raw_spin_lock+0x108/0x184) [<802816ac>] (do_raw_spin_lock+0x108/0x184) from [<806a22b0>] (_raw_spin_lock_irqsave+0x54/0x60) [<806a22b0>] (_raw_spin_lock_irqsave+0x54/0x60) from [<802f5754>] (uart_write+0x38/0xe0) [<802f5754>] (uart_write+0x38/0xe0) from [<80455270>] (hci_uart_tx_wakeup+0xa4/0x168) [<80455270>] (hci_uart_tx_wakeup+0xa4/0x168) from [<802dab18>] (tty_wakeup+0x50/0x5c) [<802dab18>] (tty_wakeup+0x50/0x5c) from [<802f81a4>] (imx_rtsint+0x50/0x80) [<802f81a4>] (imx_rtsint+0x50/0x80) from [<802f88f4>] (imx_int+0x158/0x17c) [<802f88f4>] (imx_int+0x158/0x17c) from [<8007abe0>] (handle_irq_event_percpu+0x50/0x194) [<8007abe0>] (handle_irq_event_percpu+0x50/0x194) from [<8007ad60>] (handle_irq_event+0x3c/0x5c) -------------------------------------------------------------------- This patch adds more limits to the @write_wakeup, the one who wants to implemet the @write_wakeup should follow the limits which avoid the deadlock. Signed-off-by: Huang Shijie <b32955@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* futex: Allow architectures to skip futex_atomic_cmpxchg_inatomic() testHeiko Carstens2014-04-17
| | | | | | | | | | | | | | If an architecture has futex_atomic_cmpxchg_inatomic() implemented and there is no runtime check necessary, allow to skip the test within futex_init(). This allows to get rid of some code which would always give the same result, and also allows the compiler to optimize a couple of if statements away. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Finn Thain <fthain@telegraphics.com.au> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Link: http://lkml.kernel.org/r/20140302120947.GA3641@osiris Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* ENGR00308770-1 sdma: update platform data for new sdma scriptRobin Gong2014-04-17
| | | | | | update the struct of sdma script platform data. Signed-off-by: Robin Gong <b38343@freescale.com>
* ENGR00307014-05 Add imx6sx vadc gpr register defineSandor Yu2014-04-17
| | | | | | Add imx6sx vadc gpr register define. Signed-off-by: Sandor Yu <R01008@freescale.com>
* usb: phy: move OTG FSM headerAnton Tikhomirov2014-04-16
| | | | | | | | | Other USB drivers may want to use OTG final state machine implementation, so make this header available for them. Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com> (cherry-picked from commit 5653668c9585441926dd2575791f6b5bb84bb254)
* ENGR00308060-3 mcc: add sema4 driver required by mccRichard Zhu2014-04-16
| | | | | | | | - add linux sema4 driver, that mandatory required by mcc. - use volatile types in sema4 structure - align the port definiton a9 is 1, m4 is 2. Signed-off-by: Richard Zhu <r65037@freescale.com>
* ENGR00308060-2 mcc: implementation mcc on imx6sxRichard Zhu2014-04-16
| | | | | | | | | | | | | | | | | | | - inherited mcc ver 001.002 from vibryd mqx release. - use mu general int4 as the cpu2cpu int (num is 122 at a9 side). - add linux wait_event/wake_up mechanism on the buffer management of share memory - replace wait_event_interruptible### by wait_event###, so the sleep task wouldn't be waken up by reboot or CTRL+C signals. - use the offset address to do the MQX_TO_VIRT and VIRT_TO_MQX exchanges. - regmap_bits_updat can't write 1 to clear the bit-set asr, use regmap_read/write - fix mu irq clear hang issue only do the regmap once in the isr register func, and replace the multi-regmap operations in the kinds of mx6sx mcc related apis by one global imx_mu_reg. Signed-off-by: Richard Zhu <r65037@freescale.com>
* ENGR00308060-1 mcc: implementation mcc common on imx6sxRichard Zhu2014-04-16
| | | | | | | | | | | | | - inherited mcc ver 001.002 from vibryd mqx release. - let lwevent related codes mqx specified. - use the offset address to do the MQX_TO_VIRT and VIRT_TO_MQX exchanges. - add some modification in mcc common codes, since all the shm access should be protected by sema4. - double check the list head, and make the recv more robust. Acked-by: Shawn Guo Signed-off-by: Richard Zhu <r65037@freescale.com>
* pwm-backlight: Add optional enable GPIOThierry Reding2014-04-16
| | | | | | | | | | | | | | | To support a wider variety of backlight setups, introduce an optional enable GPIO. Legacy users of the platform data already have a means of supporting GPIOs by using the .init(), .exit() and .notify() hooks. DT users however cannot use those, so an alternative method is required. In order to ease the introduction of the optional enable GPIO, make it available in the platform data first, so that existing users can be converted. Once that has happened a second patch will add code to make use of it in the driver. Signed-off-by: Thierry Reding <treding@nvidia.com> (cherry picked from commit 2b9b1620349e325f184c68cddf3b484499c163c0)
* Input: tsc2007 - add device tree support.Denis Carikli2014-04-16
| | | | | Signed-off-by: Denis Carikli <denis@eukrea.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* ENGR00305648-8 dma: imx-sdma: Add SAI script supportNicolin Chen2014-04-16
| | | | | | | This patch adds SAI script support to imx-sdma. Acked-by: Wang Shengjiu <b02247@freescale.com> Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>
* mtd: nand: fix GET/SET_FEATURES address on 16-bit devicesDavid Mosberger2014-04-16
| | | | | | | | GET_FEATURES and SET_FEATURES also need byte-addressing on 16-bit devices. Signed-off-by: David Mosberger <davidm@egauge.net> Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Huang Shijie <b32955@freescale.com>
* usb: chipidea: udc: add maximum-speed = full-speed optionMichael Grzeschik2014-04-16
| | | | | | | | | | This patch makes it possible to set the chipidea udc into full-speed only mode. It is set by the oftree property "maximum-speed = full-speed". Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* usb: common: introduce of_usb_get_maximum_speed()Felipe Balbi2014-04-16
| | | | | | | | | | | | this helper will be used for controllers which want to work at a lower speed even though they support higher USB transfer rates. One such case is Texas Instruments' AM437x SoC where it uses a USB3 controller without a USB3 PHY, rendering the controller USB2-only. Signed-off-by: Felipe Balbi <balbi@ti.com>
* ENGR00302472-2 ARM: imx6q: Add imx6sx LDB mux ctrl bit definitionsLiu Ying2014-04-16
| | | | | | | This patch adds LDB mux ctrl bit definitions for imx6sx. The bit DISP_MUX_LDB_MUX_CTRL is defined in the register IOMUXC_GPR5. Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
* ENGR00302472-1 ARM: imx6q: Add imx6dl LVDS mux ctrl bit definitionsLiu Ying2014-04-16
| | | | | | | This patch adds LVDS mux ctrl bit definitions for imx6dl. The bits LVDS0/1_MUX_CTL are defined in the register IOMUXC_GPR3. Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
* regulator: pfuze100: add pfuze200 supportRobin Gong2014-04-16
| | | | | | | | | | | | support pfuze200 chip which remove SW1C and SW4 based on pfuze100. Signed-off-by: Robin Gong <b38343@freescale.com> Signed-off-by: Mark Brown <broonie@linaro.org> (cherry picked from commit f2518480c7b744296a5587990a54e3a284d932b8) Conflicts: drivers/regulator/pfuze100-regulator.c
* ENGR00303122-1 mxc: asrc: Fix asrc clocks managementNicolin Chen2014-04-16
| | | | | | | | | | | | | ASRC needs three clocks from SoC, they are: mem_clk: Peripheral access clock ipg_clk: Peripheral clock asrck_clk: ASRC module clock while the current driver only maintains two of them and has confusing clock names. Thus fix it. Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>
* mtd: nand: add "page" argument for read_subpage hookHuang Shijie2014-04-16
| | | | | | | | | Add the "page" argument for the read_subpage hook. With this argument, the implementation of this hook could prints out more accurate information for debugging. Signed-off-by: Huang Shijie <b32955@freescale.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* sched: replace INIT_COMPLETION with reinit_completionWolfram Sang2014-04-16
| | | | | | | | | | | | | | | | | | For the casual device driver writer, it is hard to remember when to use init_completion (to init a completion structure) or INIT_COMPLETION (to *reinit* a completion structure). Furthermore, while all other completion functions exepct a pointer as a parameter, INIT_COMPLETION does not. To make it easier to remember which function to use and to make code more readable, introduce a new inline function with the proper name and consistent argument type. Update the kernel-doc for init_completion while we are here. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13) Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Luwei Zhou <b45643@freescale.com>
* iio: core: implement devm_iio_device_alloc/devm_iio_device_freeGrygorii Strashko2014-04-16
| | | | | | | | | | | | | | | | | | Add a resource managed devm_iio_device_alloc()/devm_iio_device_free() to automatically clean up any allocations made by IIO drivers, thus leading to simplified IIO drivers code. In addition, this will allow IIO drivers to use other devm_*() API (like devm_request_irq) and don't care about the race between iio_device_free() and the release of resources by Device core during driver removing. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Tested-by: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Luwei Zhou <b45643@freescale.com>
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