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2011-01-20Merge branch 'for-38-rc2' of git://codeaurora.org/quic/kernel/davidb/linux-msmLinus Torvalds1-2/+2
* 'for-38-rc2' of git://codeaurora.org/quic/kernel/davidb/linux-msm: msm: qsd8x50: Platform data isn't init data
2011-01-15Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds5-121/+118
* 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm: (161 commits) ARM: pxa: fix building issue of missing physmap.h ARM: mmp: PXA910 drive strength FAST using wrong value ARM: mmp: MMP2 drive strength FAST using wrong value ARM: pxa: fix recursive calls in pxa_low_gpio_chip AT91: Support for gsia18s board AT91: Acme Systems FOX Board G20 board files AT91: board-sam9m10g45ek.c: Remove duplicate inclusion of mach/hardware.h ARM: pxa: fix suspend/resume array index miscalculation ARM: pxa: use cpu_has_ipr() consistently in irq.c ARM: pxa: remove unused variable in clock-pxa3xx.c ARM: pxa: fix warning in zeus.c ARM: sa1111: fix typo in sa1111_retrigger_lowirq() ARM mxs: clkdev related compile fixes ARM i.MX mx31_3ds: Fix MC13783 regulator names ARM: plat-stmp3xxx: irq_data conversion. ARM: plat-spear: irq_data conversion. ARM: plat-orion: irq_data conversion. ARM: plat-omap: irq_data conversion. ARM: plat-nomadik: irq_data conversion. ARM: plat-mxc: irq_data conversion. ... Fix up trivial conflict in arch/arm/plat-omap/gpio.c (Lennert Buytenhek's irq_data conversion clashing with some omap irq updates)
2011-01-13Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivialLinus Torvalds2-2/+2
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) Documentation/trace/events.txt: Remove obsolete sched_signal_send. writeback: fix global_dirty_limits comment runtime -> real-time ppc: fix comment typo singal -> signal drivers: fix comment typo diable -> disable. m68k: fix comment typo diable -> disable. wireless: comment typo fix diable -> disable. media: comment typo fix diable -> disable. remove doc for obsolete dynamic-printk kernel-parameter remove extraneous 'is' from Documentation/iostats.txt Fix spelling milisec -> ms in snd_ps3 module parameter description Fix spelling mistakes in comments Revert conflicting V4L changes i7core_edac: fix typos in comments mm/rmap.c: fix comment sound, ca0106: Fix assignment to 'channel'. hrtimer: fix a typo in comment init/Kconfig: fix typo anon_inodes: fix wrong function name in comment fix comment typos concerning "consistent" poll: fix a typo in comment ... Fix up trivial conflicts in: - drivers/net/wireless/iwlwifi/iwl-core.c (moved to iwl-legacy.c) - fs/ext4/ext4.h Also fix missed 'diabled' typo in drivers/net/bnx2x/bnx2x.h while at it.
2011-01-13ARM: msm: irq_data conversion.Lennert Buytenhek5-121/+118
Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca> Acked-by: Gregory Bean <gbean@codeaurora.org> Acked-by: Daniel Walker <dwalker@codeaurora.org>
2011-01-07msm: add SMP support for msmJeff Ohlstein4-0/+208
Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2011-01-07msm: hotplug: support cpu hotplug on msmJeff Ohlstein2-0/+93
Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2011-01-07msm: timer: SMP timer support for msmJeff Ohlstein3-24/+108
The msm provides timer hardware that is private to each core. Each timer has separate counter and match registers, so we create separate clock_event_devices for each core. For the global clocksource, use cpu 0's counter. Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2011-01-07msm: scm-boot: Support for setting cold/warm boot addressesStepan Moskovchenko3-1/+78
Add support for setting the cold boot address of core 1 and the warm boot addresses of cores 0 and 1 using a secure domain call. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2011-01-07msm: Secure Channel Manager (SCM) supportStephen Boyd4-0/+333
SCM is the protocol used to communicate between the secure and non-secure code executing on the applications processor. The non-secure side uses a physically contiguous buffer to pass information to the secure side; where the buffer conforms to a format that is agreed upon by both sides. The use of a buffer allows multiple pending requests to be in flight on the secure side. It also benefits use cases where the command or response buffer contains large chunks of data. Reviewed-by: Saravana Kannan <skannan@codeaurora.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2011-01-06Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds4-11/+7
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (416 commits) ARM: DMA: add support for DMA debugging ARM: PL011: add DMA burst threshold support for ST variants ARM: PL011: Add support for transmit DMA ARM: PL011: Ensure IRQs are disabled in UART interrupt handler ARM: PL011: Separate hardware FIFO size from TTY FIFO size ARM: PL011: Allow better handling of vendor data ARM: PL011: Ensure error flags are clear at startup ARM: PL011: include revision number in boot-time port printk ARM: vexpress: add sched_clock() for Versatile Express ARM i.MX53: Make MX53 EVK bootable ARM i.MX53: Some bug fix about MX53 MSL code ARM: 6607/1: sa1100: Update platform device registration ARM: 6606/1: sa1100: Fix platform device registration ARM i.MX51: rename IPU irqs ARM i.MX51: Add ipu clock support ARM: imx/mx27_3ds: Add PMIC support ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn() mx51: fix usb clock support MX51: Add support for usb host 2 arch/arm/plat-mxc/ehci.c: fix errors/typos ...
2011-01-06Merge branch 'misc' into develRussell King1-2/+2
Conflicts: arch/arm/Kconfig arch/arm/common/Makefile arch/arm/kernel/Makefile arch/arm/kernel/smp.c
2011-01-05Merge branch 'clksrc' into develRussell King2-4/+3
Conflicts: arch/arm/mach-vexpress/v2m.c arch/arm/plat-omap/counter_32k.c arch/arm/plat-versatile/Makefile
2010-12-22ARM: MSM: update clock source registrationRussell King1-4/+1
In d7e81c2 (clocksource: Add clocksource_register_hz/khz interface) new interfaces were added which simplify (and optimize) the selection of the divisor shift/mult constants. Switch over to using this new interface. Tested-By: Jeff Ohlstein <johlstei@codeaurora.org> Acked-by: David Brown <davidb@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-22Merge branch 'master' into for-nextJiri Kosina1-1/+1
Conflicts: MAINTAINERS arch/arm/mach-omap2/pm24xx.c drivers/scsi/bfa/bfa_fcpim.c Needed to update to apply fixes for which the old branch was too outdated.
2010-12-20msm: qsd8x50: Platform data isn't init dataStephen Boyd1-2/+2
Remove the SMC91x platform and resource data from initdata. These will continue to be accessed after init, and must remain available. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2010-12-16MSM: Add USB support for MSM7x30Pavankumar Kondeti3-0/+95
Add USB OTG, peripheral and host devices. This patch also adds usb_phy_clk which is required for resetting the PHY. VBUS power up and shutdown routines depends on PMIC module. As PMIC driver is unavailable, configure USB in peripheral only mode. Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2010-12-16MSM: Add USB suport for QSD8x50Pavankumar Kondeti3-0/+92
OTG driver takes care of putting hardware into low power mode. Hence make peripheral and host devices as children of OTG device and let runtime PM takes care of notifying peripheral and host state to OTG device. VBUS power up and shutdown routines are implemented by modem processor. As RPC infrastructure is not available, configure USB in peripheral only mode. Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2010-12-15msm: initial framebuffer supportDaniel Walker4-0/+369
Initial framebuffer components. Add board-trout-panel.c as well as platform parts to enable the framebuffer. This code comes directly from Google's tree. Signed-off-by: Daniel Walker <dwalker@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2010-12-15msm: add handling for clocks tagged as CLK_MINMAXDaniel Walker1-0/+15
CLK_MINMAX is used to denote clocks that have a wide variation in possible frequencies. This handling just sets the min and max values to the same value. Signed-off-by: Daniel Walker <dwalker@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2010-12-15msm: trout: change name of pmdh_clk to mddi_clkDaniel Walker1-1/+1
This clock is used in the framebuffer driver as mddi_clk. This just changes the name to match that. This also mirrors a change in Google tree. Signed-off-by: Daniel Walker <dwalker@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2010-12-15msm: add CLK_MINMAX to pmdh_clkDaniel Walker1-1/+1
This adds in the CLK_MINMAX flag to the pmdh_clk since it's actual a min/max clock instead of a single frequency clock. Signed-off-by: Daniel Walker <dwalker@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2010-12-15msm: trout: add gpio_to_irqDaniel Walker1-0/+8
trout has gpiolib support and interrupt support, but was missing the gpio_to_irq function. This adds that functions which should allow proper translation. Signed-off-by: Daniel Walker <dwalker@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2010-12-15msm: iommu: Use the correct memory allocation flagStepan Moskovchenko1-1/+1
Change msm_iommu_map to use GFP_ATOMIC instead of GFP_KERNEL due to the fact that the call occurs within a spinlock-protected region. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
2010-12-14ARM: GIC: consolidate gic_cpu_base_addr to common GIC codeRussell King1-4/+2
Every architecture using the GIC has a gic_cpu_base_addr pointer for GIC 0 for their entry assembly code to use to decode the cause of the current interrupt. Move this into the common GIC code. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-14ARM: GIC: provide a single initialization function for boot CPURussell King1-2/+1
Provide gic_init() which initializes the GIC distributor and current CPU's GIC interface for the boot (or single) CPU. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-10fix comment typos concerning "consistent"Uwe Kleine-König1-1/+1
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-12-03ARM: SMP: pass an ipi number to smp_cross_call()Russell King1-2/+2
This allows us to use smp_cross_call() to trigger a number of different software generated interrupts, rather than combining them all on one SGI. Recover the SGI number via do_IPI. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-30msm: iommu: Miscellaneous code cleanupStepan Moskovchenko1-12/+17
Remove some unneeded assignments and messages, restructure a failure path in iova_to_phys, and make __flush_iotlb return int in preparation for adding IOMMU clock control. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Support cache-coherent memory accessStepan Moskovchenko1-11/+82
Add support for allowing IOMMU memory transactions to be cache coherent, eliminating the need for software cache management in certain situations. This can lead to improvements in performance and power usage, assuming the multimedia core's access pattern exhibits spatial locality and that its working set fits into the cache. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Definitions for extended memory attributesStepan Moskovchenko2-1/+34
Add the register field definitions and memory attribute definitions that will be needed to support IOMMU transactions with cache-coherent memory access. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Kconfig dependency for the IOMMU APIStepan Moskovchenko1-0/+4
Make the IOMMU driver select the IOMMU API in the kernel configuration. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Check if device is already attachedStepan Moskovchenko1-0/+5
An IOMMU device can only be attached to one IOMMU domain at any given time. Check whether the device is already attached to a domain before allowing it to be attached to another domain. If so, return busy. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Kconfig item for cacheable page tablesStepan Moskovchenko1-0/+4
Add a Kconfig item to allow the IOMMU page tables to be coherent in the L2 cache. This generally reduces IOTLB miss latencies and has been shown to improve multimedia performance. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Don't flush page tables if no devices attachedStepan Moskovchenko1-6/+9
Don't flush the page tables on an IOMMU domain if there are no IOMMU devices attached to the domain. The act of attaching to the domain will cause an implicit flush of those areas if the page tables are configured to not be L2 cacheable. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Mark functions with the right section namesStepan Moskovchenko3-5/+5
Mark the init and exit functions as __init and __exit where appropriate. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Support for the 2nd GFX core's IOMMUStepan Moskovchenko1-0/+54
Add the platform data and resources needed for the second 2D graphics core's IOMMU. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Revise GFX2D0 IOMMU contexts and M2V mappingsStepan Moskovchenko1-22/+6
Based on recommendations from chip designers, optimize the Machine ID to translation context mappings for the first 2D core's IOMMU. Remove the "gfx2d0_texv3_smmu" context, as it is no longer needed under the new mapping scheme. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Revise GFX3D IOMMU contexts and M2V mappingsStepan Moskovchenko1-30/+15
Based on recommendations from chip designers, optimize the Machine ID to translation context mappings for the 3D core's IOMMU. Remove the the "gfx3d_smmu" context device, as it is no longer needed under the new mapping scheme. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> [dwalker@codeaurora.org: updated commit text] Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Use more consistent naming in platform dataStepan Moskovchenko1-68/+68
Rename all the IOMMU platform devices so that the names are more consistent with the rest of the codebase. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iomap: Addresses and IRQs for 2nd GFX core IOMMUStepan Moskovchenko2-1/+9
Add register addresses and IRQ numbers for the IOMMU used for the second 2D graphics core. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: iommu: Increase maximum MID size to 5 bitsStepan Moskovchenko1-1/+1
On msm8x60, the MID field on the AXI connection to the IOMMU can be up to five bits wide. Thus, allow the IOMMU context platform data to map up to 32 MIDs. Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: gpio: Add irq support to v2 gpiolib.Gregory Bean1-23/+286
Complete the MSM v2 gpio subsystem by adding irq_chip. Signed-off-by: Gregory Bean <gbean@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-30msm: gpio: Add v2 gpio support to MSM SoCs.Gregory Bean2-1/+166
Beginning with the MSM8x60, the hardware block responsible for gpio support changes. Provide gpiolib support for the new v2 architecture. Cc: Baruch Siach <baruch@tkos.co.il> Cc: Pavan Kondeti <pkondeti@codeaurora.org> Signed-off-by: Gregory Bean <gbean@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-26Merge branch 'for-russell' of git://codeaurora.org/quic/kernel/dwalker/linux-msm into devel-stableRussell King1-0/+2
2010-11-22arm: kconfig: enable SMP for MSM targetsDaniel Walker1-0/+2
This just adds ARCH_MSM_SCORPIONMP to allow SMP selection for MSM. MSM is unique in that it doesn't enable SCU or TWD. Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-21ARM: 6484/1: fix compile warning in mm/init.cAnand Gadiyar1-1/+1
Commit 7c63984b86 (ARM: do not define VMALLOC_END relative to PAGE_OFFSET) changed VMALLOC_END to be an explicit value. Before this, it was relative to PAGE_OFFSET and therefore converted to unsigned long as PAGE_OFFSET is an unsigned long. This introduced the following build warning. Fix this by changing the explicit defines of VMALLOC_END to be unsigned long. CC arch/arm/mm/init.o arch/arm/mm/init.c: In function 'mem_init': arch/arm/mm/init.c:606: warning: format '%08lx' expects type 'long unsigned int', but argument 12 has type 'unsigned int' Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Acked-by: Uwe Kleine-K <u.kleine-koenig@pengutronix.dee> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-19msm: io: Export __msm_ioremapPavankumar Kondeti1-0/+1
This is required for modules to use ioremap() Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-16msm: make constant unsigned long to correct format warningDavid Brown1-1/+1
Define VMALLOC_END as an unsigned long to match expected type. Eliminates a warning: arch/arm/mm/init.c: In function 'mem_init': arch/arm/mm/init.c:606: warning: format '%08lx' expects type 'long unsigned int', but argument 12 has type 'unsigned int' Signed-off-by: David Brown <davidb@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-16msm: smd: ifdef adjustment to remove unused variablesDavid Brown1-0/+2
Put some variables inside of the same ifdef as the code that uses them. arch/arm/mach-msm/smd_debug.c: In function 'smsm_print_sleep_info': arch/arm/mach-msm/smd_debug.c:274: warning: unused variable 'int_info' arch/arm/mach-msm/smd_debug.c:273: warning: unused variable 'gpio' Signed-off-by: David Brown <davidb@codeaurora.org> [dwalker@codeaurora.org: changed the commit text a little.] Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
2010-11-16msm: sirc: remove some unused variablesDavid Brown1-3/+0
Eliminate some unreferenced variables. arch/arm/mach-msm/sirc.c:43: warning: 'save_type' defined but not used arch/arm/mach-msm/sirc.c:44: warning: 'save_polarity' defined but not used Signed-off-by: David Brown <davidb@codeaurora.org> [dwalker@codeaurora.org: changed the commit text a little.] Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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