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2011-10-28Merge branch 'devel-stable' of ↵Linus Torvalds
http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm * 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (178 commits) ARM: 7139/1: fix compilation with CONFIG_ARM_ATAG_DTB_COMPAT and large TEXT_OFFSET ARM: gic, local timers: use the request_percpu_irq() interface ARM: gic: consolidate PPI handling ARM: switch from NO_MACH_MEMORY_H to NEED_MACH_MEMORY_H ARM: mach-s5p64x0: remove mach/memory.h ARM: mach-s3c64xx: remove mach/memory.h ARM: plat-mxc: remove mach/memory.h ARM: mach-prima2: remove mach/memory.h ARM: mach-zynq: remove mach/memory.h ARM: mach-bcmring: remove mach/memory.h ARM: mach-davinci: remove mach/memory.h ARM: mach-pxa: remove mach/memory.h ARM: mach-ixp4xx: remove mach/memory.h ARM: mach-h720x: remove mach/memory.h ARM: mach-vt8500: remove mach/memory.h ARM: mach-s5pc100: remove mach/memory.h ARM: mach-tegra: remove mach/memory.h ARM: plat-tcc: remove mach/memory.h ARM: mach-mmp: remove mach/memory.h ARM: mach-cns3xxx: remove mach/memory.h ... Fix up mostly pretty trivial conflicts in: - arch/arm/Kconfig - arch/arm/include/asm/localtimer.h - arch/arm/kernel/Makefile - arch/arm/mach-shmobile/board-ap4evb.c - arch/arm/mach-u300/core.c - arch/arm/mm/dma-mapping.c - arch/arm/mm/proc-v7.S - arch/arm/plat-omap/Kconfig largely due to some CONFIG option renaming (ie CONFIG_PM_SLEEP -> CONFIG_ARM_CPU_SUSPEND for the arm-specific suspend code etc) and addition of NEED_MACH_MEMORY_H next to HAVE_IDE.
2011-10-25Merge branches 'arnd-randcfg-fixes', 'debug', 'io' (early part), 'l2x0', ↵Russell King
'p2v', 'pgt' (early part) and 'smp' into for-linus
2011-10-17ARM: 7116/1: debug: provide dummy default option for DEBUG_LL UART choiceWill Deacon
Defaulting to DEBUG_ICEDCC will cause systems to hang during boot unless a hardware debugger is listening to the debug comms. channel. This patch adds a dummy UART option as the default DEBUG_LL choice which requires the platform to do the right thing. Acked-by: Stephen Boyd <sboyd@codeaurora.org> Tested-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-10-17ARM: 7097/1: debug: Move DEBUG_ICEDCC into the DEBUG_LL choiceStephen Boyd
DEBUG_ICEDCC support is just another DEBUG_LL choice and selecting it along with other DEBUG_LL options doesn't make much sense. Put it into the DEBUG_LL choice to avoid confusion. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-10-17ARM: 7096/1: debug: Add UART1 config choicesStephen Boyd
ARM patch 7072/1 (debug: use kconfig choice for selecting DEBUG_LL UART) didn't notice that the Kconfigs relied on being unselected to configure a different serial port. Since there is no NONE option in a choice menu, explicitly add the other option so that both serial ports can be selected. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-10-17ARM: 7073/1: debug: augment DEBUG_LL Kconfig help to clarify behaviourWill Deacon
Enabled DEBUG_LL hardcodes the UART address into the kernel and results in a non-portable kernel image. Since this option is only intended for use when debugging early boot failures, supporting multiple platforms in such a configuration is not the intended use-case. This patch documents this limitation in the DEBUG_LL Kconfig help text, so that users are aware of the portability restrictions that are associated with enabling low-level debugging support. Reported-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-10-17ARM: 7072/1: debug: use kconfig choice for selecting DEBUG_LL UARTWill Deacon
Enabling CONFIG_DEBUG_LL (which is required for earlyprintk) hardwires the debug UART address into the kernel, so that we can print before the platform is initialised. If the user inadvertently selects multiple platforms with DEBUG_LL enabled, the UART address may not be correct and will likely cause the kernel to hang in the very early stages of boot. This patch, based on a skeleton from Russell, uses a Kconfig choice for selecting the DEBUG_LL UART, therefore allowing the user to make a choice about the supported platform when DEBUG_LL is enabled. Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-10-01ARM: OC_ETM should not select ARM_AMBAArnd Bergmann
The CONFIG_ARM_AMBA symbol is selected by the platforms that support AMBA, and the other platforms (e.g. orion) might not be able to build that code at all when they do not support the clk API. Instead, make sure that OC_ETM is only built on platforms that do support the amba subsystem already. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2011-09-20ARM: kprobes: Add config option for selecting the ARM kprobes testsJon Medhurst
Signed-off-by: Jon Medhurst <tixy@yxit.co.uk> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-05-25lib: consolidate DEBUG_STACK_USAGE optionStephen Boyd
Most arches define CONFIG_DEBUG_STACK_USAGE exactly the same way. Move it to lib/Kconfig.debug so each arch doesn't have to define it. This obviously makes the option generic, but that's fine because the config is already used in generic code. It's not obvious to me that sysrq-P actually does anything caution by keeping the most inclusive wording. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Chris Metcalf <cmetcalf@tilera.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Richard Weinberger <richard@nod.at> Acked-by: Mike Frysinger <vapier@gentoo.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Hirokazu Takata <takata@linux-m32r.org> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Chen Liqin <liqin.chen@sunplusct.com> Cc: Lennox Wu <lennox.wu@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-14ARM: 6876/1: Kconfig.debug: Remove unused CONFIG_DEBUG_ERRORSStephen Boyd
This config option isn't actually used anywhere and can be safely removed. The last user was traps.c before commit 082f47a ([ARM] always allow dump_stack() to produce a backtrace, 2007-07-05). Reviewed-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-01-06Merge branch 'misc' into develRussell King
Conflicts: arch/arm/Kconfig arch/arm/common/Makefile arch/arm/kernel/Makefile arch/arm/kernel/smp.c
2010-12-05ARM: Ensure experimental options are so markedRussell King
It is kernel-wide policy that options depending on EXPERIMENTAL should also have '(EXPERIMENTAL)' in their option text, and options with '(EXPERIMENTAL)' depend on EXPERIMENTAL. Ensure that all ARM options comply with this. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-19ARM: ftrace: enable function graph tracerRabin Vincent
Add the options to enable the function graph tracer on ARM. Function graph tracer support requires frame pointers, so exclude Thumb-2 and also make sure FRAME_POINTER gets enabled when FUNCTION_GRAPH_TRACER is used, since FUNCTION_TRACER doesn't "select FRAME_POINTER" when ARM_UNWIND is used. Therefore, with GCC 4.4.0+, you get plain function tracing without frame pointers, but you'll need them if you want function graph tracing. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Rabin Vincent <rabin@rab.in>
2010-10-19Merge branch 'devel-stable' into develRussell King
2010-10-01ARM: implement CONFIG_STRICT_DEVMEM by disabling access to RAM via /dev/memNicolas Pitre
There are very few legitimate use cases, if any, for directly accessing system RAM through /dev/mem. So let's mimic what they do on x86 and forbid it when CONFIG_STRICT_DEVMEM is turned on. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2010-09-02ARM: 6314/1: ftrace: allow build without frame pointers on ARMRabin Vincent
With a new enough GCC, ARM function tracing can be supported without the need for frame pointers. This is essential for Thumb-2 support, since frame pointers aren't available then. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-24ARM: SAMSUNG: Move plat-s3c Kconfig entries to plat-samsung and plat-s3c24xxBen Dooks
Move the Kconfig entries from plat-s3c to plat-samsung and plat-s3c24xx as necessary. The S3C_BOOT entries and the DMA configuration can go to plat-samsung. The low-level UART configurations are currently S3C2XX specific and can go to plat-s3c24xx. Eliminating plat-s3c from the build process will be submitted seperately. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-12-13Merge branch 'devel' of ↵Russell King
git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel
2009-12-09ARM: Add an earlyprintk debug consoleCatalin Marinas
This patch allows an earlyprintk console if CONFIG_DEBUG_LL is enabled, using the printch asm function. The patch is based on the original work by Sascha Hauer. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Pavel Machek <pavel@ucw.cz>
2009-12-02ARM: 5841/1: a driver for on-chip ETM and ETBAlexander Shishkin
This driver implements support for on-chip Embedded Tracing Macrocell and Embedded Trace Buffer. It allows to trigger tracing of kernel execution flow and exporting trace output to userspace via character device and a sysrq combo. Trace output can then be decoded by a fairly simple open source tool [1] which is already sufficient to get the idea of what the kernel is doing. [1]: http://github.com/virtuoso/etm2human Signed-off-by: Alexander Shishkin <virtuoso@slind.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-07-24Thumb-2: Add Thumb-2 support to the build filesCatalin Marinas
This patch adds the necessary entries to the Makefile and Kconfig files for building the Thumb-2 kernel. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2009-06-23[ARM] S3C: Remove unused CONFIG_DEBUG_S3C_PORTBen Dooks
Remove the unused CONFIG_DEBUG_S3C_PORT as we currently only have support for using the S3C UARTs via the low-level debug code. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-02-27[ARM] 5412/1: XSCALE: add ice dcc supportJean-Christop PLAGNIOL-VILLARD
SCALE: add ice dcc support Tested on the ixp425 with the ice PEEDI Ack-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-02-19[ARM] 5386/2: unwind: Add Makefile and Kconfig entries for ARM stack unwindingCatalin Marinas
This patch also makes the frame pointer default to y only if !ARM_UNWIND. LOCKDEP no longer selects FRAME_POINTER if ARM_UNWIND is enabled. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-01-26[ARM] CONFIG_DEBUG_STACK_USAGESascha Hauer
In early 2.6 days stack utilization instrumentation was made configurable. Seems that arm misses the DEBUG_STACK_USAGE option. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4514/1: S3C: Rename DEBUG_S3C2410_PORT and DEBUG_S3C_UARTBen Dooks
Rename DEBUG_S3C2410_PORT to DEBUG_S3C_PORT as well as DEBUG_S3C2410_UART to DEBUG_S3C_UART as part of the updates to moving to plat-s3c for S3C base support. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4513/1: S3C: Rename CONFIG_S3C2410_LOWLEVEL_UART_PORTBen Dooks
Rename CONFIG_S3C2410_LOWLEVEL_UART_PORT to be CONFIG_S3C_LOWLEVEL_UART_PORT as we move to using plat-s3c for base of S3C operations. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30[ARM] Remove DEBUG_WAITQRussell King
DEBUG_WAITQ appears to have been removed by others, but no one removed the configuration option from ARM. Remote it from both Kconfig.debug and all default configurations. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-06-04[ARM] Trivial typo fixesEgry Gabor
Trivial typo fixes in Kconfig files (ARM). Signed-off-by: Egry Gabor <gaboregry@t-online.hu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-09-09[ARM] Fix typo in arch/arm/Kconfig.debugRussell King
It's called printch, not printchar Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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