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2011-02-24Merge branch 'for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: serio/gameport - use 'long' system workqueue Input: synaptics - document 0x0c query Input: tegra-kbc - add function keymap
2011-02-18Input: tegra-kbc - add function keymapRakesh Iyer1-0/+1
Add Fn keymap support to allow for internal processing of Fn keys. Signed-off-by: Rakesh Iyer <riyer@nvidia.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-01-31Merge branch 'for-linus' of git://android.git.kernel.org/kernel/tegraLinus Torvalds4-11/+15
* 'for-linus' of git://android.git.kernel.org/kernel/tegra: ARM: tegra: clock: Add forward reference to struct clk ARM: tegra: irq: Rename gic pointers to avoid conflicts arm/tegra: Fix tegra irq_data conversion
2011-01-27ARM: tegra: clock: Add forward reference to struct clkColin Cross2-0/+4
Signed-off-by: Colin Cross <ccross@android.com>
2011-01-27ARM: tegra: irq: Rename gic pointers to avoid conflictsColin Cross1-9/+9
A future patch will export gic_mask_irq and gic_unmask_irq. Rename the pointers in arch/arm/mach-tegra/irq.c to avoid a compile error. Signed-off-by: Colin Cross <ccross@android.com>
2011-01-27arm/tegra: Fix tegra irq_data conversionGrant Likely1-2/+2
Commit 37337a8d5e68d6e19075dbdb3acf4f1011dae972, "ARM: tegra: irq_data conversion." missed changing one reference to 'irq' in the function tegra_gpio_irq_set_type(). This patch fixes the build error. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Lennert Buytenhek <buytenh@secretlab.ca> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Colin Cross <ccross@android.com>
2011-01-26Merge branch 'for-linus' of ↵Linus Torvalds1-0/+61
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: wacom - pass touch resolution to clients through input_absinfo Input: wacom - add 2 Bamboo Pen and touch models Input: sysrq - ensure sysrq_enabled and __sysrq_enabled are consistent Input: sparse-keymap - fix KEY_VSW handling in sparse_keymap_setup Input: tegra-kbc - add tegra keyboard driver Input: gpio_keys - switch to using request_any_context_irq Input: serio - allow registered drivers to get status flag Input: ct82710c - return proper error code for ct82c710_open Input: bu21013_ts - added regulator support Input: bu21013_ts - remove duplicate resolution parameters Input: tnetv107x-ts - don't treat NULL clk as an error Input: tnetv107x-keypad - don't treat NULL clk as an error Fix up trivial conflicts in drivers/input/keyboard/Makefile due to additions of tc3589x/Tegra drivers
2011-01-21Input: tegra-kbc - add tegra keyboard driverRakesh Iyer1-0/+61
This patch adds support for the internal matrix keyboard controller for Nvidia Tegra platforms. Signed-off-by: Rakesh Iyer <riyer@nvidia.com> Reviewed-by: Trilok Soni <tsoni@codeaurora.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-01-15Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2-37/+37
* '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)
2011-01-15Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds1-2/+2
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: fix missing branch in __error_a ARM: fix /proc/$PID/stack on SMP ARM: Fix build regression on SA11x0, PXA, and H720x targets ARM: 6625/1: use memblock memory regions for "System RAM" I/O resources ARM: fix wrongly patched constants ARM: 6624/1: fix dependency for CONFIG_SMP_ON_UP ARM: 6623/1: Thumb-2: Fix out-of-range offset for Thumb-2 in proc-v7.S ARM: 6622/1: fix dma_unmap_sg() documentation ARM: 6621/1: bitops: remove condition code clobber for CLZ ARM: 6620/1: Change misleading warning when CONFIG_CMDLINE_FORCE is used ARM: 6619/1: nommu: avoid mapping vectors page when !CONFIG_MMU ARM: sched_clock: make minsec argument to clocks_calc_mult_shift() zero ARM: sched_clock: allow init_sched_clock() to be called early ARM: integrator: fix compile warning in cpu.c ARM: 6616/1: Fix ep93xx-fb init/exit annotations ARM: twd: fix display of twd frequency ARM: udelay: prevent math rounding resulting in short udelays
2011-01-14ARM: fix wrongly patched constantsRussell King1-2/+2
e3d9c625 (ARM: CPU hotplug: fix hard-coded control register constants) changed the wrong constants in the hotplug assembly code. Fix this. Reported-by: viresh kumar <viresh.kumar@st.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-01-13ARM: tegra: irq_data conversion.Lennert Buytenhek2-37/+37
Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca>
2011-01-09mmc: add sdhci-tegra driver for Tegra SoCsOlof Johansson1-0/+29
SDHCI driver for Tegra. This driver plugs in as a new variant of sdhci-pltfm, using the platform data structure passed in to specify the GPIOs to use for card detect, write protect and card power enablement. Original driver (of which only the header file is left): Signed-off-by: Yvonne Yip <y@palm.com> The rest, which has been rewritten by now: Signed-off-by: Olof Johansson <olof@lixom.net> Reviewed-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-01-07Merge branch 'misc' into develRussell King6-68/+28
Conflicts: arch/arm/Kconfig arch/arm/common/Makefile arch/arm/kernel/Makefile arch/arm/kernel/smp.c
2011-01-07Merge branch 'smp' into miscRussell King3-64/+25
Conflicts: arch/arm/kernel/entry-armv.S arch/arm/mm/ioremap.c
2011-01-05Merge branch 'clksrc' into develRussell King1-6/+25
Conflicts: arch/arm/mach-vexpress/v2m.c arch/arm/plat-omap/counter_32k.c arch/arm/plat-versatile/Makefile
2011-01-05Merge branches 'ftrace', 'gic', 'io', 'kexec', 'mod', 'sa11x0', 'sh' and ↵Russell King4-69/+7
'versatile' into devel
2010-12-23ARM: tegra: convert sched_clock() to use new infrastructureRussell King1-2/+21
Convert tegra to use the new sched_clock() infrastructure for extending 32bit counters to full 64-bit nanoseconds. Tested-by: Olof Johansson <olof@lixom.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-23ARM: ensure all sched_clock() implementations are notrace markedRussell King1-1/+2
ftrace requires sched_clock() to be notrace. Ensure that all implementations are so marked. Also make sure that they include linux/sched.h Also ensure OMAP clocksource read functions are marked notrace as they're used for sched_clock() too. Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Will Deacon <will.deacon@arm.com> Tested-by: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Eric Miao <eric.y.miao@gmail.com> Tested-by: Olof Johansson <olof@lixom.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-23ARM: tegra: timer: Separate clocksource and sched_clockColin Cross1-4/+3
tegra_clocksource_read should not use cnt32_to_63, wrapping is already handled in the clocksource code. Move the cnt32_to_63 into the sched_clock function, and replace the use of clocksource mult and shift with a multiplication by 1000 to convert us to ns. Acked-by: John Stultz <johnstul@us.ibm.com> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Tested-by: Olof Johansson <olof@lixom.net> Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-20ARM: CPU hotplug: fix hard-coded control register constantsRussell King1-4/+4
Use the definition we've provided in asm/system.h rather than numeric constants. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-20ARM: CPU hotplug: fix reporting of spurious wakeupsRussell King1-9/+11
The original scheme for reporting spurious wakeups was broken - it tried to use printk() from a context which wasn't coherent with the other CPUs, which risks corrupting the printk() data. Fix this by noting the number spurious wakeups, and only report them when we are properly woken - when we will be coherent with the rest of the system. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-20ARM: SMP: remove smp_mpidr.hRussell King1-1/+0
With "ARM: CPU hotplug: remove bug checks in platform_cpu_die()", we now do not use hard_smp_processor_id(), we no longer need to read the hardware processor ID. Remove the include providing this function. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-20ARM: CPU hotplug: remove bug checks in platform_cpu_die()Russell King1-10/+0
platform_cpu_die() is entered from the CPU's own idle thread, which can not be migrated to other CPUs. Moreover, the 'cpu' argument comes from the thread info, which will always be the 'current' CPU. So remove this useless bug check. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-20ARM: CPU hotplug: move cpu_killed completion to core codeRussell King1-7/+1
We always need to wait for the dying CPU to reach a safe state before taking it down, irrespective of the requirements of the platform. Move the completion code into the ARM SMP hotplug code rather than having each platform re-implement this. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-20ARM: SMP: consolidate trace_hardirqs_off() into common SMP codeRussell King1-2/+0
All platforms call trace_hardirqs_off() in their secondary startup code, so move this into the core SMP code - it doesn't need to be in the per-platform code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-20ARM: SMP: consolidate the common parts of smp_prepare_cpus()Russell King1-16/+2
There is a certain amount of smp_prepare_cpus() which doesn't belong in the platform support code - that is, code which is invariant to the SMP implementation. Move this code into arch/arm/kernel/smp.c, and add a platform_ prefix to the original function. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-20ARM: SMP: get rid of references to poke_milo and MiloRussell King1-7/+0
Milo is an old boot loader, which is no longer relevant for these platforms. References to it are misleading. Move the code out of poke_milo(), and remove references to milo in comments. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-20ARM: SMP: Clean up ncores sanity checksRussell King1-0/+6
scu_get_core_count() never returns zero cores, so we don't need to check and correct if ncores is zero. Tegra was missing the check against NR_CPUS, leading to a potential bitfield overflow if this becomes the case. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-14ARM: GIC: private a standard get_irqnr_preamble assembler macroRussell King1-1/+1
Provide a standard get_irqnr_preamble assembler macro for platforms to use, which retrieves the base address of the GIC CPU interface from gic_cpu_base_addr. Allow platforms to override this by defining HAVE_GET_IRQNR_PREAMBLE. 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: Remove MMIO address from gic_cpu_init, rename to gic_secondary_initRussell King1-1/+1
We don't need to re-pass the base address for the CPU interfaces to the GIC for secondary CPUs, as it will never be different from the boot CPU - and even if it was, we'd overwrite the boot CPU's base address. Get rid of this argument, and rename to gic_secondary_init(). 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/+2
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>
2010-12-08ARM: io: make iounmap() a simple macroRussell King1-2/+2
Defining iounmap() with arguments prevents it from being used as a function pointer, causing platforms to work around this. Instead, define it to be a simple macro. Do the same for __arch_io(re|un)map too. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-07ARM: 6478/1: Use shared GIC entry macros on TegraMagnus Damm1-63/+1
Use the GIC demux code in asm/hardware/entry-macro-gic.S on the Tegra subarchitecture. Signed-off-by: Magnus Damm <damm@opensource.se> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-07ARM: tegra: fix regression from addruart rewriteOlof Johansson1-2/+2
Commit 0ea129300982 ("arm: return both physical and virtual addresses from addruart") took out the test for MMU on/off but didn't switch the ldr instructions to no longer be conditionals based on said test. Fix that. Signed-off-by: Olof Johansson <olof@lixom.net> Acked-by: Colin Cross <ccross@android.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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>
2010-12-03ARM: remove obsolete smp_cross_call_done()Russell King1-7/+0
smp_cross_call_done() was removed long ago (see 78d236c - remove useless smp_cross_call_done()). Remove those which have been subsequently merged. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-26ARM: 6483/1: arm & sh: factorised duplicated clkdev.cJean-Christop PLAGNIOL-VILLARD3-4/+3
factorise some generic infrastructure to assist looking up struct clks for the ARM & SH architecture. as the code is identical at 99% put the arch specific code for allocation as example in asm/clkdev.h Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-28Remove duplicate includes from many filesZimny Lech1-1/+0
Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-22tegra: harmony: enable PCI ExpressMike Rapoport2-0/+58
Signed-off-by: Mike Rapoport <mike@compulab.co.il> CC: Olof Johansson <olof@lixom.net> CC: Gary King <GKing@nvidia.com> Signed-off-by: Colin Cross <ccross@android.com>
2010-10-22tegra: add PCI Express supportMike Rapoport6-1/+936
Change-Id: Ibd0bcd46895eb88952b9db29e1f68572d39aae01 Signed-off-by: Mike Rapoport <mike@compulab.co.il> Acked-by: Arnd Bergmann <arnd@arndb.de> CC: Russell King <linux@arm.linux.org.uk> CC: Gary King <GKing@nvidia.com> Signed-off-by: Colin Cross <ccross@android.com>
2010-10-22tegra: add PCI Express clocksMike Rapoport1-0/+48
Signed-off-by: Mike Rapoport <mike@compulab.co.il> CC: Gary King <GKing@nvidia.com> Signed-off-by: Colin Cross <ccross@android.com>
2010-10-22[ARM] tegra: Add APB DMA supportColin Cross5-0/+922
The APB DMA block handles DMA transfers to and from some peripherals in the Tegra SOC. It reads from sequential addresses on the memory bus, and writes repeatedly to the same address on the APB bus. Two transfer modes are supported, oneshot for transferring a known size to or from a peripheral, and continuous for streaming data. In continuous mode, a callback occurs when the buffer is half full to allow the existing data to be handled and a new request queued.x v2 changes: dma API no longer uses PTR_ERR Signed-off-by: Erik Gilling <konkers@android.com> Signed-off-by: Colin Cross <ccross@android.com>
2010-10-22[ARM] tegra: Add cpufreq supportColin Cross2-0/+186
Implement cpufreq support for the Tegra SOC. DVFS is handled by the core virtual cpu clock. The frequencies of the two cores are tied together, the highest frequency requested by either core determines the actual frequency. Signed-off-by: Colin Cross <ccross@android.com>
2010-10-22[ARM] tegra: common: Update common clock init tableColin Cross1-2/+2
Renames clocks in the clock init table to match the datasheet names Signed-off-by: Colin Cross <ccross@android.com>
2010-10-22[ARM] tegra: clock: Add dvfs support, bug fixes, and cleanupsColin Cross7-210/+1005
- Add drivers to clock lookup table - Add new pll_m entries - Support I2C U16 divider - Fix rate reporting on 32.768kHz clock - Call propagate rate only if set_rate succeeds - Add support for audio_sync clock - Add 24MHz to PLLA frequency list - Correct i2s1/2/spdifout mux - Add suspend support - Fix enable/disable parent clocks in set_parent - Add max_rate parameter to all clocks - DVFS support - Add virtual cpu clock with dvfs - Support clk_round_rate - Fix requesting very high periph frequencies - Add quirks for PLLU: PLLU is slightly different from the rest of the PLLs. The lock enable bit is at bit 22 instead of 18 in the MISC register, and the post divider field is a single bit with reversed values from other PLLs. - Simplify recalculating clock rates - Fix UART divider flags - Remove unused clock ops Signed-off-by: Colin Cross <ccross@android.com>
2010-10-22[ARM] tegra: Add support for reading fusesColin Cross4-0/+111
The Tegra SOC contains fuses to identify the CPU type and bin, and a unique id. The CPU info is required to determine the correct voltages for each cpu and core frequency. Signed-off-by: Colin Cross <ccross@android.com>
2010-10-22[ARM] tegra: gpio: Add suspend and wake supportColin Cross2-13/+95
Includes checkpatch fixes and TEGRA_NR_GPIOS changes from Mike Rapoport <mike@compulab.co.il> Signed-off-by: Colin Cross <ccross@android.com>
2010-10-22[ARM] tegra: pinmux: add safe values, move tegra2, add suspendColin Cross5-396/+603
- the reset values for some pin groups in the tegra pin mux can result in functional errors due to conflicting with actively-configured pin groups muxing from the same controller. this change adds a known safe, non- conflicting mux for every pin group, which can be used on platforms where the pin group is not routed to any peripheral - also add each pin group's I/O voltage rail, to enable platform code to map from the pin groups used by each interface to the regulators used for dynamic voltage control - add routines to individually configure the tristate, pin mux and pull- ups for a pingroup_config array, so that it is possible to program individual values at run-time without modifying other values. this allows driver power-management code to reprogram individual interfaces into lower power states during idle / suspend, or to reprogram the pin mux to support multiple physical busses per internal controller (e.g., sharing a single I2C or SPI controller across multiple pin groups) - move chip-specific data like pingroups and drive-pingroups out of the common code and into chip-specific code - fix debug output for group with no pullups - add a TEGRA_MUX_SAFE function. Setting a pingroup to TEGRA_MUX_SAFE will automatically select a mux setting that is guaranteed not to conflict with any of the hardware blocks. Signed-off-by: Gary King <gking@nvidia.com>
2010-10-22[ARM] tegra: add suspend and mirror irqs to legacy controllerGary King2-0/+139
mirror IRQ enable and disable operations on the legacy PPI system interrupt controller, since the legacy controller is responsible for responding to wakeup interrupts when the CPU is in LP2 idle mode save the irq controller state on suspend and restore on resume Signed-off-by: Gary King <gking@nvidia.com>
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