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2010-08-05memblock/arm: Use new accessorsBenjamin Herrenschmidt1-9/+12
CC: Russell King <linux@arm.linux.org.uk> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-08-04memblock/powerpc: Use new accessorsBenjamin Herrenschmidt3-71/+46
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-08-04memblock/sparc: Use new accessorsBenjamin Herrenschmidt1-18/+12
CC: David S. Miller <davem@davemloft.net> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-08-04memblock/sh: Use new accessorsBenjamin Herrenschmidt1-8/+9
CC: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-08-04memblock/microblaze: Use new accessorsBenjamin Herrenschmidt1-11/+9
CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-08-04memblock/arm: Use memblock_region_is_memory() for omap fbBenjamin Herrenschmidt1-5/+1
Instead of the deprecated memblock_find() Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-08-04memblock/arm: pfn_valid uses memblock_is_memory()Benjamin Herrenschmidt1-14/+1
The implementation is pretty much similar. There is a -small- added overhead by having another function call and the address shift. If that becomes a concern, I suppose we could actually have memblock itself expose a memblock_pfn_valid() which then ARM can use directly with an appropriate #define... Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-08-04memblock: Rename memblock_region to memblock_type and memblock_property to memblock_regionBenjamin Herrenschmidt7-22/+22
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-08-03Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds477-6260/+15546
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (291 commits) ARM: AMBA: Add pclk support to AMBA bus infrastructure ARM: 6278/2: fix regression in RealView after the introduction of pclk ARM: 6277/1: mach-shmobile: Allow users to select HZ, default to 128 ARM: 6276/1: mach-shmobile: remove duplicate NR_IRQS_LEGACY ARM: 6246/1: mmci: support larger MMCIDATALENGTH register ARM: 6245/1: mmci: enable hardware flow control on Ux500 variants ARM: 6244/1: mmci: add variant data and default MCICLOCK support ARM: 6243/1: mmci: pass power_mode to the translate_vdd callback ARM: 6274/1: add global control registers definition header file for nuc900 mx2_camera: fix type of dma buffer virtual address pointer mx2_camera: Add soc_camera support for i.MX25/i.MX27 arm/imx/gpio: add spinlock protection ARM: Add support for the LPC32XX arch ARM: LPC32XX: Arch config menu supoport and makefiles ARM: LPC32XX: Phytec 3250 platform support ARM: LPC32XX: Misc support functions ARM: LPC32XX: Serial support code ARM: LPC32XX: System suspend support ARM: LPC32XX: GPIO, timer, and IRQ drivers ARM: LPC32XX: Clock driver ...
2010-07-31Merge branch 'devel-stable' into develRussell King234-3489/+11814
Conflicts: arch/arm/kernel/entry-armv.S arch/arm/kernel/setup.c arch/arm/mm/init.c
2010-07-31Merge branch 'misc' into develRussell King49-295/+268
Conflicts: arch/arm/mm/init.c
2010-07-31Merge branches 'at91', 'ep93xx', 'kexec', 'iop', 'lmb', 'nomadik', 'nuc', 'pl', 'spear' and 'versatile' into develRussell King181-1223/+3456
2010-07-31Merge branch 'shmobile' into develRussell King69-228/+354
2010-07-31ARM: 6278/2: fix regression in RealView after the introduction of pclkLinus Walleij1-1/+1
The patch to add the apb_pclk to the AMBA/PrimeCell bus broke RealView, since the clockdevice is not registered at probe() time. This moves clock initialization to a core_initcall() [rmk:moved before the problematical commit to avoid bisect problems] Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds9-47/+66
* master.kernel.org:/home/rmk/linux-2.6-arm: cyber2000fb: fix console in truecolor modes cyber2000fb: fix machine hang on module load SA1111: Eliminate use after free ARM: Fix Versatile/Realview/VExpress MMC card detection sense ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_vipt ARM: Add barriers to io{read,write}{8,16,32} accessors as well ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLE ARM: 6272/1: Convert L2x0 to use the IO relaxed operations ARM: 6271/1: Introduce *_relaxed() I/O accessors ARM: 6275/1: ux500: don't use writeb() in uncompress.h ARM: 6270/1: clean files in arch/arm/boot/compressed/ ARM: Fix csum_partial_copy_from_user()
2010-07-30SA1111: Eliminate use after freeJulia Lawall1-3/+2
__sa1111_remove always frees its argument, so the subsequent reference to sachip->saved_state represents a use after free. __sa1111_remove does not appear to use the saved_state field, so the patch simply frees it first. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression E,E2; @@ __sa1111_remove(E) ... ( E = E2 | * E ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30ARM: Fix Versatile/Realview/VExpress MMC card detection senseRussell King2-2/+2
The MMC card detection sense has become really confused with negations at various levels, leading to some platforms not detecting inserted cards. Fix this by converting everything to positive logic throughout, thereby getting rid of these negations. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_viptGary King1-5/+8
smp_processor_id() must not be called from a preemptible context (this is checked by CONFIG_DEBUG_PREEMPT). kmap_high_l1_vipt() was doing so. This lead to a problem where the wrong per_cpu kmap_high_l1_vipt_depth could be incremented, causing a BUG_ON(*depth <= 0); in kunmap_high_l1_vipt(). The solution is to move the call to smp_processor_id() after the call to preempt_disable(). Originally by: Andrew Howe <ahowe@nvidia.com> Signed-off-by: Gary King <gking@nvidia.com> Acked-by: Nicolas Pitre <nico.as.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds3-10/+32
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] etr: fix clock synchronization race [S390] Fix IRQ tracing in case of PER
2010-07-29ARM: 6277/1: mach-shmobile: Allow users to select HZ, default to 128Magnus Damm2-0/+13
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>
2010-07-29ARM: 6276/1: mach-shmobile: remove duplicate NR_IRQS_LEGACYMagnus Damm1-1/+0
NR_IRQS_LEGACY is now defined in asm/irq.h, so drop it in mach/irqs.h. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29Merge branch 'arm/booting' of git://git.pengutronix.de/git/ukl/linux-2.6 into devel-stableRussell King10-79/+152
Conflicts: arch/arm/Kconfig
2010-07-29Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stableRussell King150-2893/+4570
2010-07-29Merge branch 'wells/lpc32xx-arch_v2' of git://git.lpclinux.com/linux-2.6-lpc into devel-stableRussell King93-224/+5152
2010-07-29ARM: Add barriers to io{read,write}{8,16,32} accessors as wellRussell King1-20/+18
The ioread/iowrite accessors also need barriers as they're used in place of readl/writel et.al. in portable drivers. Create __iormb() and __iowmb() which are conditionally defined to be barriers dependent on ARM_DMA_MEM_BUFFERABLE, and always use these macros in the accessors. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLECatalin Marinas1-0/+11
When the coherent DMA buffers are mapped as Normal Non-cacheable (ARM_DMA_MEM_BUFFERABLE enabled), buffer accesses are no longer ordered with Device memory accesses causing failures in device drivers that do not use the mandatory memory barriers before starting a DMA transfer. LKML discussions led to the conclusion that such barriers have to be added to the I/O accessors: http://thread.gmane.org/gmane.linux.kernel/683509/focus=686153 http://thread.gmane.org/gmane.linux.ide/46414 http://thread.gmane.org/gmane.linux.kernel.cross-arch/5250 This patch introduces a wmb() barrier to the write*() I/O accessors to handle the situations where Normal Non-cacheable writes are still in the processor (or L2 cache controller) write buffer before a DMA transfer command is issued. For the read*() accessors, a rmb() is introduced after the I/O to avoid speculative loads where the driver polls for a DMA transfer ready bit. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6272/1: Convert L2x0 to use the IO relaxed operationsCatalin Marinas1-13/+13
This patch is in preparation for a subsequent patch which adds barriers to the I/O accessors. Since the mandatory barriers may do an L2 cache sync, this patch avoids a recursive call into l2x0_cache_sync() via the write*() accessors and wmb() and a call into l2x0_cache_sync() with the l2x0_lock held. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6271/1: Introduce *_relaxed() I/O accessorsCatalin Marinas1-12/+17
This patch introduces readl*_relaxed()/write*_relaxed() as the main I/O accessors (when __mem_pci is defined). The standard read*()/write*() macros are now based on the relaxed accessors. This patch is in preparation for a subsequent patch which adds barriers to the I/O accessors. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6275/1: ux500: don't use writeb() in uncompress.hRabin Vincent1-5/+5
Don't use writeb() in uncompress.h, to avoid the following build errors when the "Add barriers to the I/O accessors" series is applied. Use __raw_writeb() instead. arch/arm/boot/compressed/misc.o: In function `putc': arch/arm/mach-ux500/include/mach/uncompress.h:41: undefined reference to `outer_cache' 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>
2010-07-29ARM: 6274/1: add global control registers definition header file for nuc900wanzongshun1-0/+39
add global control registers definition header file for nuc900 Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-29ARM: 6270/1: clean files in arch/arm/boot/compressed/Magnus Damm1-0/+3
Update the compressed boot Makefile for ARM to remove files during clean. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-28Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdbLinus Torvalds1-2/+7
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: x86,kgdb: Fix hw breakpoint regression
2010-07-28Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6Linus Torvalds1-0/+8
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: davinci: da850/omap-l138 evm: account for DEFDCDC{2,3} being tied high regulator: tps6507x: allow driver to use DEFDCDC{2,3}_HIGH register wm8350-regulator: fix wm8350_register_regulator error handling ab3100: fix off-by-one value range checking for voltage selector
2010-07-28x86,kgdb: Fix hw breakpoint regressionJason Wessel1-2/+7
HW breakpoints events stopped working correctly with kgdb as a result of commit: 018cbffe6819f6f8db20a0a3acd9bab9bfd667e4 (Merge commit 'v2.6.33' into perf/core). The regression occurred because the behavior changed for setting NOTIFY_STOP as the return value to the die notifier if the breakpoint was known to the HW breakpoint API. Because kgdb is using the HW breakpoint API to register HW breakpoints slots, it must also now implement the overflow_handler call back else kgdb does not get to see the events from the die notifier. The kgdb_ll_trap function will be changed to be general purpose code which can allow an easy way to implement the hw_breakpoint API overflow call back. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Dongdong Deng <dongdong.deng@windriver.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
2010-07-28davinci: da850/omap-l138 evm: account for DEFDCDC{2,3} being tied highSekhar Nori1-0/+8
Per the da850/omap-l138 Beta EVM SOM schematic, the DEFDCDC2 and DEFDCDC3 lines are tied high. This leads to a 3.3V IO and 1.2V CVDD voltage. Pass the right platform data to the TPS6507x driver so it can operate on the DEFDCDC{2,3}_HIGH register to read and change voltage levels. Signed-off-by: Sekhar Nori <nsekhar@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-07-28mx2_camera: Add soc_camera support for i.MX25/i.MX27Baruch Siach2-2/+48
This is the soc_camera support developed by Sascha Hauer for the i.MX27. Alan Carvalho de Assis modified the original driver to get it working on more recent kernels. I modified it further to add support for i.MX25. This driver has been tested on i.MX25 and i.MX27 based platforms. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-07-28arm/imx/gpio: add spinlock protectionBaruch Siach2-0/+9
The GPIO registers need protection from concurrent access for operations that are not atomic. Cc: stable@kernel.org Cc: Juergen Beisert <j.beisert@pengutronix.de> Cc: Daniel Mack <daniel@caiaq.de> Reported-by: rpkamiak@rockwellcollins.com Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-07-27[S390] etr: fix clock synchronization raceMartin Schwidefsky1-6/+12
The etr events switch-to-local and sync-check disable the synchronous clock and schedule a work queue that tries to get the clock back into sync. If another switch-to-local or sync-check event occurs while the work queue function etr_work_fn still runs the eacr.es bit and the clock_sync_word can become inconsistent because check_sync_clock only uses the clock_sync_word to determine if the clock is in sync or not. The second pass of the etr_work_fn will reset the eacr.es bit but will leave the clock_sync_word intact. Fix this race by moving the reset of the eacr.es bit into the switch-to-local and sync-check functions and by checking the eacr.es bit as well to decide if the clock needs to be synced. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-07-27[S390] Fix IRQ tracing in case of PERHeiko Carstens2-4/+20
In case user space is single stepped (PER) the program check handler claims too early that IRQs are enabled on the return path. Subsequent checks will notice that the IRQ mask in the PSW and what lockdep thinks the IRQ mask should be do not correlate and therefore will print a warning to the console and disable lockdep. Fix this by doing all the work within the correct context. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-07-27ARM: Add support for the LPC32XX archKevin Wells2-0/+16
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>
2010-07-27ARM: LPC32XX: Arch config menu supoport and makefilesKevin Wells3-0/+45
Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-07-27ARM: LPC32XX: Phytec 3250 platform supportKevin Wells1-0/+397
Platform support file for the PHY3250 mach id Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-07-27ARM: LPC32XX: Misc support functionsKevin Wells2-0/+344
Misc support functions and prototypes used in the LPC32XX arch and platforms Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-07-27ARM: LPC32XX: Serial support codeKevin Wells1-0/+190
Serial port setup support code Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-07-27ARM: LPC32XX: System suspend supportKevin Wells2-0/+297
Support for system suspend and resume Signed-off-by: Kevin Wells <wellsk40@gmail.com>
2010-07-27perf, powerpc: Use perf_sample_data_init() for the FSL codePeter Zijlstra1-3/+3
We should use perf_sample_data_init() to initialize struct perf_sample_data. As explained in the description of commit dc1d628a ("perf: Provide generic perf_sample_data initialization"), it is possible for userspace to get the kernel to dereference data.raw, so if it is not initialized, that means that unprivileged userspace can possibly oops the kernel. Using perf_sample_data_init makes sure it gets initialized to NULL. This conversion should have been included in commit dc1d628a, but it got missed. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2010-07-27ARM: LPC32XX: GPIO, timer, and IRQ driversKevin Wells3-0/+1060
Common drivers for the LPC32XX used on all platforms Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-07-27ARM: LPC32XX: Clock driverKevin Wells2-0/+1175
Clock driver for the LPC32XX architecture Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-07-27ARM: LPC32XX: Debug and IRQ macrosKevin Wells2-0/+78
Debug (printascii) and IRQ handler macros for the LPC32XX arch Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-07-27ARM: LPC32XX: Initial arch header filesKevin Wells12-0/+1225
Header files for the LPC32xx arch Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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