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2010-05-21Merge branch 'next' of ↵Linus Torvalds1-0/+239
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: DMAENGINE: extend the control command to include an arg async_tx: trim dma_async_tx_descriptor in 'no channel switch' case DMAENGINE: DMA40 fix for allocation of logical channel 0 DMAENGINE: DMA40 support paused channel status dmaengine: mpc512x: Use resource_size DMA ENGINE: Do not reset 'private' of channel ioat: Remove duplicated devm_kzalloc() calls for ioatdma_device ioat3: disable cacheline-unaligned transfers for raid operations ioat2,3: convert to producer/consumer locking ioat: convert to circ_buf DMAENGINE: Support for ST-Ericssons DMA40 block v3 async_tx: use of kzalloc/kfree requires the include of slab.h dmaengine: provide helper for setting txstate DMAENGINE: generic channel status v2 DMAENGINE: generic slave control v2 dma: timb-dma: Update comment and fix compiler warning dma: Add timb-dma DMAENGINE: COH 901 318 fix bytesleft DMAENGINE: COH 901 318 rename confusing vars
2010-05-17Merge branch 'devel-stable' into develRussell King1-0/+1
Conflicts: arch/arm/Kconfig arch/arm/include/asm/system.h arch/arm/mm/Kconfig
2010-05-13ARM: 6107/1: plat-nomadik: use the MTU clocksrc for sched_clockLinus Walleij1-1/+27
This provides some serious scheduling for the Nomadik family by introducing a sched_clock() using the MTU clock source in the same manner as e.g. OMAP or U300. This type of solutions has been discussed at no end in the past, however we need this resolution for making measurements and using HRTimers. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-05-06ARM: 6104/1: nomadik-gpio: use clk APIRabin Vincent1-1/+19
Add clocks with appropriate names in platforms that use it, and use the clk API in nomadik-gpio. Acked-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-05-06ARM: 6102/1: nomadik-gpio: set a default trigger for interruptsRabin Vincent1-0/+1
Set a default trigger type for interrupts, otherwise if request_irq is called without specifiying a trigger type, the interrupt will not actually be enabled. Acked-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-05-06ARM: 6101/1: nomadik-gpio: don't enable in set_typeRabin Vincent1-4/+7
On this peripheral, setting the trigger type enables the interrupt, and the current set_type() implementation unconditionally enables the interrupt, even if it is called when the interrupt is disabled. Fix set_type() to: - if the interrupt is disabled, defer the actual trigger setting to when it is unmasked - if the interrupt is enabled, change the type immediately by clearing the old type and then re-enabling with the new type. Acked-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-05-06ARM: 6100/1: nomadik-gpio: factor out helper to enable/disable irqsRabin Vincent1-30/+27
Remove some nearly-duplicated code to make the following patch simpler. Acked-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-05-06ARM: 6099/1: nomadik-gpio: fix mask/unmaskRabin Vincent1-8/+8
Mask/unmask should modify the interrupt mask register (RIMSC and FIMSC) not the wakeup mask registers (RWIMSC and FWIMSC). Acked-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-04-14DMAENGINE: Support for ST-Ericssons DMA40 block v3Linus Walleij1-0/+239
This is a straightforward driver for the ST-Ericsson DMA40 DMA controller found in U8500, implemented akin to the existing COH 901 318 driver. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Acked-by: Srinidh Kasagar <srinidhi.kasagar@stericsson.com> Cc: STEricsson_nomadik_linux@list.st.com Cc: Alessandro Rubini <rubini@unipv.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-03-19ARM: 5978/1: plat-nomadik: use one-shot clock eventsAlessandro Rubini1-62/+63
This is a complete rewrite of the MTU driver, using one-shot for events and a free-running timer for stamping. It allows CONFIG_NO_HZ and CONFIG_HIGH_RES_TIMERS to work on Nomadik and Ux500. Signed-off-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Acked-by: Andrea Gallo <andrea.gallo@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-03-19ARM: 5972/1: nomadik-gpio: convert to platform driverRabin Vincent2-32/+43
On the U8500 platform there are four GPIO blocks, each with a 4K address space, including the peripheral identification. However, each of these blocks have a varying number of banks, each of which have 32 GPIOs and an interrupt line. The current nomadik-gpio driver implementation can handle each of these sub-banks easily with one instance each, but cannot as-is be hooked up to them because it is an AMBA driver and it expects to see a peripheral with the appropriate peripheral ids but having only one bank and only one interrupt. Solve this by converting the driver to a platform driver. Acked-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-03-19ARM: 5971/1: nomadik-gpio: mask/ack/unmask the parent irqRabin Vincent1-5/+11
Since we register as a chained handler, we need to take care of acking the parent irq. Current code had the acking disabled because just acking the interrupt disables it on some interrupt controllers (like the VIC used on Nomadik). However, not acking at all is incorrect because interrupt controllers like the GIC need an EOI indication, which is done in the ack routine. Solve this by maskacking and unmasking it appropriately, similar to how handle_level_irq operates. Acked-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-03-19ARM: 5970/1: nomadik-gpio: fix spinlock usageRabin Vincent1-1/+2
Fix the incorrect spinlock usage which leads to these compiler warnings: arch/arm/plat-nomadik/gpio.c:60: warning: passing argument 1 of `spinlock_check' from incompatible pointer type arch/arm/plat-nomadik/gpio.c:69: warning: passing argument 1 of `spin_unlock_irqrestore' from incompatible pointer type Acked-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-03-19ARM: 5969/1: nomadik: move gpio to plat-nomadikRabin Vincent4-0/+473
Move the Nomadik GPIO driver to plat-nomadik so that it can also be used on the Ux500 platform. The mach-nomadik include/mach/gpio.h is replaced by one that includes the one now in plat-nomadik, so that code doesn't need to include the one in plat specifically, and can instead use <linux/gpio.h> as usual. Acked-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-03-08Merge branch 'origin' into devel-stableRussell King1-0/+37
Conflicts: arch/arm/mach-mx2/devices.c arch/arm/mach-mx2/devices.h sound/soc/pxa/pxa-ssp.c
2010-02-04ARM: 5908/1: nomadik: add platform specific i2c configurationSrinidhi Kasagar1-0/+37
This adds the platform specific i2c configuration data structures to setup the nomadik/ux500 i2c block. Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-01-22arm/{pxa,sa1100,nomadik}: Don't disable irqs in set_next_event and set_modeUwe Kleine-König1-8/+1
These functions are called with irqs already off. This commit removes the calls to raw_local_irq_save and raw_local_irq_restore on platforms that don't have to use a shared interrupt for their timekeeping. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2009-11-28ARM: 5833/1: ARM nomadik: enable U8500 for common platformSrinidhi Kasagar1-1/+1
Enable U8500 architecture to get access to the common code shared across various ST-Ericsson's machines like nomadik. Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com> Acked-by: Andrea Gallo <andrea.gallo@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-11-28ARM: 5786/1: Introduce plat-nomadik, MTU code re-organizationSrinidhi Kasagar4-0/+222
Introduce the plat-nomadik folder for ST-Ericsson machines including the existing nomadik 8815 architecture. This also moves the existing MTU (MultiTimerUnit) of nomadik 8815 to the proposed plat-nomadik and adds HAS_MTU. The patch has been re-based to 2.6.32-rc6 Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com> Acked-by: Alessandro Rubini <rubini@unipv.it> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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