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2010-10-20Merge branch 'devel-stable' into develRussell King1-5/+47
2010-10-19Merge branch 'for-rmk' of ↵Russell King1-5/+20
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into devel-stable Conflicts: arch/arm/mach-at91/include/mach/system.h arch/arm/mach-imx/mach-cpuimx27.c AT91 conflict resolution: Acked-by: Anders Larsen <al@alarsen.net> IMX conflict resolution confirmed by Uwe Kleine-König.
2010-10-19Merge branches 'at91', 'dcache', 'ftrace', 'hwbpt', 'misc', 'mmci', 's3c', ↵Russell King1-102/+53
'st-ux' and 'unwind' into devel
2010-10-18Merge branch 'devel' of ↵Russell King1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel-stable
2010-10-18ARM: S5P64X0: Update Kconfig and MakefileKukjin Kim1-5/+6
This patch updates the Kconfig and Makefile for the S5P6440 and S5P6450 machines. It also updates arch/arm/ Kconfig and Makefile to include for support ARCH_S5P64X0 with one kernel image. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-10-09ARM: mmp: support sparse irqHaojian Zhuang1-0/+1
Add sparse IRQ support in ARCH_MMP. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2010-10-08ARM: 6428/1: add cpu_idle_wait() to support CPUidle on SMP systems.Kevin Hilman1-0/+3
In order for CPUidle to work on SMP systems, an implementation of cpu_idle_wait() is needed. This patch duplicates the x86 implementation of cpu_idle_wait() for ARM. Tested-by: Colin Cross <ccross@android.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-08ARM: pxa: encode IRQ number into .nr_irqsHaojian Zhuang1-0/+1
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Antonio Ospite <ospite@studenti.unina.it> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2010-10-05Merge branch 'for_rmk' of git://git.linaro.org/kernel/linux-linaro-next into ↵Russell King1-1/+40
devel-stable
2010-10-04ARM: 6405/1: Handle __flush_icache_all for CONFIG_SMP_ON_UPTony Lindgren1-1/+1
Do this by adding flush_icache_all to cache_fns for ARMv6 and 7. As flush_icache_all may neeed to be called from flush_kern_cache_all, add it as the first entry in the cache_fns. Note that now we can remove the ARM_ERRATA_411920 dependency to !SMP so it can be selected on UP ARMv6 processors, such as omap2. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-04ARM: Allow SMP kernels to boot on UP systemsRussell King1-0/+13
UP systems do not implement all the instructions that SMP systems have, so in order to boot a SMP kernel on a UP system, we need to rewrite parts of the kernel. Do this using an 'alternatives' scheme, where the kernel code and data is modified prior to initialization to replace the SMP instructions, thereby rendering the problematical code ineffectual. We use the linker to generate a list of 32-bit word locations and their replacement values, and run through these replacements when we detect a UP system. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-04ARM: Simplify SMP/SCU/TWD dependenciesRussell King1-10/+7
All platforms which currently support SMP also support the ARM SCU and ARM TWD blocks, so it's pointless to make these config symbols conditional on the platform symbols which SMP is already conditional on. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-04ARM: 6416/1: errata: faulty hazard checking in the Store Buffer may lead to ↵Will Deacon1-0/+14
data corruption On the r2p0, r2p1 and r2p2 versions of the Cortex-A9, data corruption can occur under very rare conditions due to a store buffer optimisation. This workaround sets a bit in the diagnostic register of the Cortex-A9, disabling the optimisation and preventing the problem from occurring. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-02ARM: SECCOMP supportNicolas Pitre1-0/+14
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2010-09-19ARM: 6400/1: at91: fix arch_gettimeoffset falloutPeter Korsgaard1-1/+0
5cfc8ee0bb51 (ARM: convert arm to arch_gettimeoffset()) marked all of at91 AND at91x40 as needing ARCH_USES_GETTIMEOFFSET, and hence no high res timer support / accurate clock_gettime() - But only at91x40 needs it. Cc: stable@kernel.org Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com> Acked-by: John Stultz <johnstul@us.ibm.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-09-17ARM: Introduce plat-tccHans J. Koch1-0/+11
This patch introduces support for the tcc platform by creating an arch/arm/plat-tcc and arch/arm/mach-tcc8k directories and adding basic include files plus Kconfig and Makefile. Signed-off-by: "Hans J. Koch" <hjk@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-09-17ARM: 6389/1: errata: incorrect hazard handling in the SCU may lead to data ↵Will Deacon1-0/+14
corruption On the r2p0, r2p1 and r2p2 versions of the Cortex-A9, data corruption can occur if a shared cache line is replaced on one CPU as another CPU is accessing it. This workaround sets two bits in the diagnostic register of the Cortex-A9, reducing the linefill issuing capabilities of the processor and avoiding the erroneous behaviour. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-09-17ARM: 6388/1: errata: DMB operation may be faultyWill Deacon1-0/+12
On versions of the Cortex-A9 up to and including r2p2, under rare circumstances, a DMB instruction between 2 write operations may not ensure the correct visibility ordering of the 2 writes. This workaround sets a bit in the diagnostic register of the Cortex-A9, causing the DMB instruction to behave like a DSB, which functions correctly on the affected cores. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-09-10ARM: Partially revert "Auto calculate ZRELADDR and provide option for ↵Russell King1-91/+0
exceptions" Partially revert e69edc7, which introduced automatic zreladdr support. The change in the way the manual definition is defined seems to be error and conflict prone. Go back to the original way we were handling this for the time being, while keeping the automatic zreladdr facility. Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-09-08ARM: 6358/1: hw-breakpoint: add HAVE_HW_BREAKPOINT to KconfigWill Deacon1-0/+1
If we're targetting a v6 or v7 core and have at least software perf events available, then automatically add support for hardware breakpoints. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: S. Karthikeyan <informkarthik@gmail.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-09-02ARM: 6320/1: ftrace: enable dynamic ftraceRabin Vincent1-0/+2
Dynamic ftrace for ARM has been disabled since 07c4cc1cdaa08f ("ftrace: disable dynamic ftrace for all archs that use daemon"). Now that the code has been updated, re-enable it. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-09-02[ARM] tegra: Add ZRELADDR default for ARCH_TEGRAErik Gilling1-0/+1
fixes the warning: .config:369:warning: symbol value '' invalid for ZRELADDR and the prompt for ZRELADDR on make Signed-off-by: Erik Gilling <konkers@android.com>
2010-08-27ARM: S5PV310: Fix on default ZRELADDR of ARCH_S5PV310Kukjin Kim1-1/+2
This patch adds default zreladdr of ARCH_S5PV310. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-08-11Merge branches 'master' and 'devel' into for-linusRussell King1-7/+32
Conflicts: arch/arm/Kconfig arch/arm/mm/Kconfig
2010-08-11ARM: 6321/1: fix syntax error in main Kconfig fileUwe Kleine-König1-1/+1
This fixes: scripts/kconfig/mconf arch/arm/Kconfig arch/arm/Kconfig:1187: invalid option make[1]: *** [menuconfig] Error 1 make: *** [menuconfig] Error 2 which was introduced by 1cea732 ([ARM] tegra: SMP support) Cc: Tanmay Upadhyay <tanmay.upadhyay@einfochips.com> Cc: xsecute@googlemail.com Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Colin Cross <ccross@android.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-08-11ARM: 6299/1: errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a ↵Will Deacon1-0/+12
faulty ASID On versions of the Cortex-A9 prior to r2p0, performing TLB invalidations by ASID match can result in the incorrect ASID being broadcast to other CPUs. As a consequence of this, the targetted TLB entries are not invalidated across the system. This workaround changes the TLB flushing routines to invalidate entries regardless of the ASID. Cc: <stable@kernel.org> Tested-by: Rob Clark <rob@ti.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-08-09Merge branch 'for-rmk' of ↵Russell King1-6/+32
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into devel-stable Conflicts: arch/arm/Kconfig
2010-08-08Merge branch 'for-linus' of git://android.kernel.org/kernel/tegraLinus Torvalds1-4/+20
* 'for-linus' of git://android.kernel.org/kernel/tegra: [ARM] tegra: add MAINTAINERS entry [ARM] tegra: harmony: Add harmony board file [ARM] tegra: add pinmux support [ARM] tegra: add GPIO support [ARM] tegra: Add timer support [ARM] tegra: SMP support [ARM] tegra: Add clock support [ARM] tegra: Add IRQ support [ARM] tegra: initial tegra support
2010-08-07Merge branch 'timers-timekeeping-for-linus' of ↵Linus Torvalds1-4/+0
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-timekeeping-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: um: Fix read_persistent_clock fallout kgdb: Do not access xtime directly powerpc: Clean up obsolete code relating to decrementer and timebase powerpc: Rework VDSO gettimeofday to prevent time going backwards clocksource: Add __clocksource_updatefreq_hz/khz methods x86: Convert common clocksources to use clocksource_register_hz/khz timekeeping: Make xtime and wall_to_monotonic static hrtimer: Cleanup direct access to wall_to_monotonic um: Convert to use read_persistent_clock timkeeping: Fix update_vsyscall to provide wall_to_monotonic offset powerpc: Cleanup xtime usage powerpc: Simplify update_vsyscall time: Kill off CONFIG_GENERIC_TIME time: Implement timespec_add x86: Fix vtime/file timestamp inconsistencies Trivial conflicts in Documentation/feature-removal-schedule.txt Much less trivial conflicts in arch/powerpc/kernel/time.c resolved as per Thomas' earlier merge commit 47916be4e28c ("Merge branch 'powerpc.cherry-picks' into timers/clocksource")
2010-08-06Merge branch 'next-samsung' into for-nextKukjin Kim1-0/+13
Conflicts: arch/arm/mach-s5p6440/Kconfig arch/arm/mach-s5p6442/Kconfig arch/arm/mach-s5pc100/Kconfig arch/arm/mach-s5pv210/Kconfig arch/arm/mach-s5pv210/cpu.c arch/arm/plat-samsung/include/plat/sdhci.h
2010-08-06ARM: SAMSUNG: Make WDT driver dependency SoC specific instead of machine ↵Banajit Goswami1-0/+5
specific This patch moves the dependency of watchdog timer driver from MACH_XXX(board) to ARCH_XXX(SoC). This will enable all machines using Samsung S3C64XX and S5P SoCs to use the WDT driver by default. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Conflicts: arch/arm/Kconfig arch/arm/mach-s3c64xx/Kconfig arch/arm/mach-s5p6442/Kconfig arch/arm/mach-s5pc100/Kconfig
2010-08-06[ARM] tegra: SMP supportColin Cross1-4/+6
Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Erik Gilling <konkers@android.com>
2010-08-06[ARM] tegra: Add clock supportColin Cross1-0/+1
v2: fixes from Russell King: - include linux/io.h instead of asm/io.h - fix whitespace in Kconfig - Use spin_lock_init to initialize lock - Return -ENOSYS instead of BUG for unimplemented clock ops - Use proper return values in tegra2 clock ops additional changes: - Rename some clocks to match dev_ids - add rate propagation - add debugfs entries - add support for clock listed in clk_lookup under multiple dev_ids v3: - Replace per-clock locking with global clock lock - Autodetect clock state on init - Let clock dividers pick next lower possible frequency - Add support for clock init tables - Minor bug fixes - Fix checkpatch issues Signed-off-by: Colin Cross <ccross@android.com>
2010-08-06[ARM] tegra: initial tegra supportErik Gilling1-0/+13
v2: Fixes from Mike Rapoport - remove unused header files (mach/dma.h and mach/nand.h) - remove tegra 1 references from Makefile.boot v2: fixes from Russell King - remove mach/io.h include from mach/iomap.h - fix whitespace in Kconfig v2: from Colin Cross - fix invalid immediate in debug-macro.S v3: - allow selection of multiple boards Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Erik Gilling <konkers@android.com>
2010-08-05ARM: SAMSUNG: i2c/busses: Add HAVE_S3C2410_I2C option to include I2C for ↵Naveen Krishna Ch1-0/+5
Samsung SoCs This patch adds HAVE_S3C2410_I2C to control inclusion of I2C bus driver on Samsung SoCs and makes I2C bus driver dependency SoC specific instead of machine specific. This will enalbe all machines using Samsung ARCH_S3C2410, _S3C64XX, _S5P6440, _S5PC100, and _S5PV210 to select the I2C driver by default Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Cc: Ben Dooks <ben-linux@fluff.org>
2010-08-05ARM: SAMSUNG: Make RTC driver dependency SoC specific instead of machine ↵Atul Dahiya1-0/+3
specific This patch moves the dependency of RTC driver from MACH_XXX(board) to ARCH_XXX(SoC). This will enable all machines using Samsung S5P6440, S5PC100 and S5PV210 SoCs to use RTC driver by default. Signed-off-by: Atul Dahiya <atul.dahiya@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-08-05ARM: S5PV310: Add new Kconfig and MakefilesChanghwan Youn1-5/+19
This patch adds the Kconfig and Makefile for the new S5PV310 SoC. It also updates arch/arm Kconfig, Makefile and arch/arm/mm/Kconfig to include support for the new S5PV310. Signed-off-by: Changhwan Youn <chaos.youn@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-07-31Merge branch 'devel-stable' into develRussell King1-1/+135
Conflicts: arch/arm/kernel/entry-armv.S arch/arm/kernel/setup.c arch/arm/mm/init.c
2010-07-31Merge branch 'misc' into develRussell King1-5/+2
Conflicts: arch/arm/mm/init.c
2010-07-31Merge branches 'at91', 'ep93xx', 'kexec', 'iop', 'lmb', 'nomadik', 'nuc', ↵Russell King1-19/+34
'pl', 'spear' and 'versatile' into devel
2010-07-31Merge branch 'shmobile' into develRussell King1-0/+1
2010-07-30ARM: 6277/1: mach-shmobile: Allow users to select HZ, default to 128Magnus Damm1-0/+1
Introduce SHMOBILE_TIMER_HZ for SH-Mobile. Allow users to select HZ on their system to minimize potential timer drift. Use 128 Hz as default to work well with the 32768 Hz RCLK. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30Merge branch 'arm/booting' of git://git.pengutronix.de/git/ukl/linux-2.6 ↵Russell King1-0/+105
into devel-stable Conflicts: arch/arm/Kconfig
2010-07-29Merge branch 'wells/lpc32xx-arch_v2' of git://git.lpclinux.com/linux-2.6-lpc ↵Russell King1-0/+15
into devel-stable
2010-07-27ARM: Add support for the LPC32XX archKevin Wells1-0/+15
Add LPC32XX support in arch/arm/Kconfig and arch/arm/Makefile Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-07-27time: Kill off CONFIG_GENERIC_TIMEJohn Stultz1-4/+0
Now that all arches have been converted over to use generic time via clocksources or arch_gettimeoffset(), we can remove the GENERIC_TIME config option and simplify the generic code. Signed-off-by: John Stultz <johnstul@us.ibm.com> LKML-Reference: <1279068988-21864-4-git-send-email-johnstul@us.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-07-27ARM: SMP: Always enable clock event broadcast supportRussell King1-1/+1
The TWD local timers are unable to wake up the CPU when it is placed into a low power mode, eg. C3. Therefore, we need to adapt things such that the TWD code can cope with this. We do this by always providing a broadcast tick function, and marking the fact that the TWD local timer will stop in low power modes. This means that when the CPU is placed into a low power mode, the core timer code marks this fact, and allows an IPI to be given to the core. Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de>
2010-07-27ARM: 6251/1: Make SPARSE_IRQ a hidden optioneric miao1-4/+1
SPARSE_IRQ doesn't need to be a visible option, only those platforms supporting that will select it. Signed-off-by: Eric Miao <eric.miao@canonical.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-27Merge branch 'origin' into miscRussell King1-1/+2
2010-07-27ARM: initial LMB trialRussell King1-0/+1
Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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