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* Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2005-11-19
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| * [SERIAL] Fix status reporting with PL011 serial driverRussell King2005-11-19
| | | | | | | | | | | | | | | | | | The receiver status register reports latched error conditions, which must be cleared by writing to it. However, the data register reports unlatched conditions which are associated with the current character. Use the data register to interpret error status rather than the RSR. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] Fix get_user when passed a const pointerRussell King2005-11-18
| | | | | | | | | | | | | | | | Unfortunately, later gcc versions error out when our get_user is passed a const pointer, since we write to a temporary variable declared as typeof(*(p)) which propagates the const-ness. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] __ioremap doesn't use 4th argumentRussell King2005-11-17
|/ | | | | | | | The "align" argument in ARMs __ioremap is unused and provides a misleading expectation that it might do something. It doesn't. Remove it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] No need to include asm/proc-fns.h into asm/system.hRussell King2005-11-16
| | | | | | | | | In the old days when arm26/arm32 was combined into the same architecture, proc-fns.h provided the xchg implementation for arm26 CPUs. Since we no longer combine these two, this include is no longer required. Remove it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Use unsigned long not u32 in atomic_cmpxchgRussell King2005-11-16
| | | | | | | | Since atomic.h does not include types.h, u32 may not be defined. Since atomics are supposed to work on unsigned long quantities, use unsigned long instead. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Move zone adjustment for SA1111 on SA11x0 platformsRussell King2005-11-16
| | | | | | | | | Unfortunately, using PAGE_SHIFT in asm/arch/memory.h is unsafe, and we can't include asm/page.h into this file because then we have a circular dependency. Move the offending code to arch/arm/common/sa1111.c instead. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Add linux/compiler.h includes where requiredRussell King2005-11-16
| | | | | | | | atomic.h, bitops.h and mmu_context.h are using likely/unlikely. thread_info.h uses __attribute_const__. Hence these files require linux/compiler.h to be included. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3165/1: fix atomic_cmpxchg() implementation for ARMv6+Nicolas Pitre2005-11-16
| | | | | | | | | | | | Patch from Nicolas Pitre If 'old' and 'oldval' are different then 'res' never gets set. In that case, if ever %0 happened to contain anything but zero (rather likely) then the code will loop forever (or until another CPU just come along and change the atomic value to match 'old' which is rather unlikely). Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Include asm/hardware.h instead of asm/arch/hardware.hRussell King2005-11-16
| | | | | | Rationalise hardware.h include. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix arch-realview/system.h to use __io_address()Russell King2005-11-16
| | | | | | | Move __io_address to arch-realview/hardware.h, drop core.h from platsmp.c and localtimer.c, and include asm/io.h where required. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-11-13
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| * [ARM] 3149/1: SharpSL: Add Akita (SL-C1000) machine supportRichard Purdie2005-11-12
| | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie Add the core machine support for the Sharp SL-C1000 (Akita) and enable the Kconfig selection for it. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [PATCH] atomic: inc_not_zeroNick Piggin2005-11-13
| | | | | | | | | | | | | | | | | | | | | | Introduce an atomic_inc_not_zero operation. Make this a special case of atomic_add_unless because lockless pagecache actually wants atomic_inc_not_negativeone due to its offset refcount. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] atomic: cmpxchgNick Piggin2005-11-13
|/ | | | | | | | | Introduce an atomic_cmpxchg operation. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [ARM] 3098/1: pxa2xx disable ssp irqLiam Girdwood2005-11-10
| | | | | | | | | | | | | | | | | | | | | | | Patch from Liam Girdwood This patch allows users of the pxa SSP driver to register their own irq handlers instead of using the default SSP handler. It also cleans up the CKEN clock and irq detection as the values are now stored in a table. This patch replaces 2845/1 Changes:- o Added flags parameter to ssp_init() o Added SSP_NO_IRQ flag to disable registering of ssp irq handler (for drivers that want to register their own handler) o Cleaned up clock and irq detection, values are now stored in table. o Added build changes to allow other drivers (e.g audio) to select the ssp driver. o corgi_ssp.c changed to use new interface. Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com> Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3096/1: Add SharpSL Zaurus power and battery management core driverRichard Purdie2005-11-10
| | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie This patch adds a power and battery management core driver which with the addition of the right device files, supports the c7x0 and cxx00 series of Sharp Zaurus handhelds. The driver is complex for several reasons. Battery charging is manually monitored and controlled. When suspended, the device needs to periodically partially resume, check the charging status and then re-suspend. It does without bothering the higher linux layers as a full resume and re-suspend is unnecessary. The code is carefully written to avoid interrupts or calling code outside the module under these circumstances. It also vets the various wake up sources and monitors the device's power situation. Hooks to limit the backlight intensity and to notify the battery monitoring code of backlight events are connected/added as the backlight is one of the biggest users of power on the device. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3144/1: OMAP 5/5: Update omap H2 defconfigTony Lindgren2005-11-10
| | | | | | | | | Patch from Tony Lindgren This patch updates omap H2 defconfig. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3143/1: OMAP 4/5: Update omap include filesTony Lindgren2005-11-10
| | | | | | | | | | | | | Patch from Tony Lindgren This patch syncs the mainline kernel with linux-omap tree. This patch contains changes to common header files for omap1xxx and omap24xx by various omap developers, and improved cpu detection by Imre Deak Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3140/1: NSLU2 machine supportAlessandro Zummo2005-11-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Alessandro Zummo This patch adds support for the LinkSys NSLU2 running with both big and little-endian kernels. The LinkSys NSLU2 is a cost engineered ARM, XScale 420 based system similar to the the Intel IXDP425 evaluation board. It uses the IXP4XX ARCH. While this patch applies independently of other patches the resultant kernel requires further patches to successfully use onboard devices, including the onboard flash. Since these patches are independent of this one they will be submitted separately. A defconfig is not included here because not all of the required drivers are actually in the kernel. We intend to provide one as soon as the patches will be incorporated in mainstream. This patch is the combined work of nslu2-linux.org Signed-off-by: John Bowler <jbowler@acm.org> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3057/1: Add memory control method to support OneNAND sync burst readKyungmin Park2005-11-09
| | | | | | | | | Patch from Kyungmin Park This patch is required for OneNAND MTD to passing the OneNAND sync. burst read Signed-off-by: Kyungmin Park Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Clean up save_and_disable_irqs macro and allow use of ARMv6 CPSIDRussell King2005-11-09
| | | | | | | | | save_and_disable_irqs does not need to use mov + msr (which was introduced to work around a documentation bug which was propagated into binutils.) Use msr with an immediate constant, and if we're building for ARMv6 or later, use the new CPSID instruction. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Merge with ARM SMP treeRussell King2005-11-09
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| * [ARM SMP] Add local timer support for Realview MPcoreRussell King2005-11-09
| | | | | | | | | | | | | | Add platform specific parts for local timer support for the Realview board. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge with ARM SMP treeRussell King2005-11-08
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| * [ARM SMP] Add core ARM support for local timersRussell King2005-11-08
| | | | | | | | | | | | | | Add infrastructure for supporting per-cpu local timers to update the profiling information and update system time accounting. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] 3132/1: S3C2410 - reset on decompression errorBen Dooks2005-11-08
| | | | | | | | | | | | | | | | | | | | Patch from Ben Dooks Force a watchdog reset if the system fails to decompress properly. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] 3093/1: SharpSL PCMCIA Updates for Cxx00 modelsRichard Purdie2005-11-08
|/ | | | | | | | | | | | | | | | Patch from Richard Purdie The Sharp SL-Cxx00 models have a combined power control for the SD and CF slot 0. This patch adds hooks to the scoop driver to allow machines to provide a custom control function for this and such a function is added for spitz/akita/borzoi. It also moves the gpio init code into the machine files as this is machine dependent and differs between some models. A couple of warnings when compiling for collie are also fixed. Signed-off-by: Richard Purdie Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Declare asm entry points in asm/smp.hRussell King2005-11-08
| | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM SMP] Add missing SMP timer handling for realviewRussell King2005-11-08
| | | | | | | | Until we have local timer support, we need to broadcast the timer interrupt to the other CPUs. Also, add the missing smp_send_timer() prototype to asm/smp.h Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM SMP] Add Realview MPcore SMP supportRussell King2005-11-07
| | | | | | | Add SMP support for the MPcore tile fitted to the Realview ARM platform. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Add support for Realview with MPcore tileRussell King2005-11-07
| | | | | | | Add uniprocessor support for Realview platform fitted with the MPcore (SMP) tile. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix second missing declaration of cache_is_vivt()Russell King2005-11-06
| | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix another use of // as a commentRussell King2005-11-06
| | | | | | // disagrees with ld's script parsing ability. Don't use it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3113/1: PXA: Allow machines to override (and also reuse) pxa pm functionsRichard Purdie2005-11-06
| | | | | | | | | | | | | | Patch from Richard Purdie Update the PXA pm.c file to allow machines (such as the Sharp Zaurus) to override the standard pm functions but reuse/wrap them where needed. The init call is made slightly earlier to give machine code an init level to override them in removing any race. Signed-off-by: Richard Purdie Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3088/1: PXA: Add machine support for the Sharp SL-6000x series of PDAsDirk Opfer2005-11-06
| | | | | | | | | | Patch from Dirk Opfer This patch adds basic machine support for the Sharp SL-6000x (Tosa) PDAs. Signed-off-by: Dirk Opfer Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: Reverted 2918/1: [update] Base port of Comdial MP1000 platfromRussell King2005-11-04
| | | | No longer maintained
* [ARM] 3086/1: ixp2xxx error irq handlingDave Jiang2005-11-04
| | | | | | | | | | | | Patch from Dave Jiang This provides support for IXP2xxx error interrupt handling. Previously there was a patch to remove this (although the original stuff was broken). Well, now the error bits are needed again. These are used extensively by the micro-engine drivers according to Deepak and also we will need it for the new EDAC code that Alan Cox is trying to push into the main kernel. Re-submit of 3072/1, generated against git tree pulled today. AFAICT, this git tree pulled in all the ARM changes that's in arm.diff. Please let me know if there are additional changes. Thx! Signed-off-by: Dave Jiang <djiang@mvista.com> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Merge SMP treeRussell King2005-11-03
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| * [ARM SMP] Do not clear cpu_vm_mask for VIPT cachesRussell King2005-11-03
| | | | | | | | | | | | | | Since we do not invalidate TLBs/caches on MM switches, we should not clear the cpu_vm_mask for the CPU. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] Fix another build error with IOP3xx platformsRussell King2005-11-03
|/ | | | | | ld doesn't like comments starting with // in its scripts Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM SMP] Add hotplug CPU infrastructureRussell King2005-11-02
| | | | | | | This patch adds the infrastructure to support hotplug CPU on ARM platforms. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM SMP] Track CPU idle threadsRussell King2005-11-02
| | | | | | Track the idle thread task_struct for each CPU. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix ARM rwlock implementationsRussell King2005-11-02
| | | | | | | fb1c8f93d869b34cacb8b8932e2b83d96a19d720 broke the ARM rwlock code since it only partially updated the rwlock implementation. Properly update it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3083/1: include/asm-arm/arch-ixp4xx/io.h: eliminate warnings for ↵John Bowler2005-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | pointer passed to integral function argument Patch from John Bowler Fix for a compiler warning, this wasn't apparent in 2.6.12, I believe the compiler options have been changed (somewhere) so that passing a (void*) to a (u32) argument is now warned. This accounts for the majority of the warnings in my builds of the 2.6.14 kernel for NSLU2. The patch changes pointer parameters declared as u32 to be declared as either, for read parameters: const volatile void __iomem * and for write parameters: volatile void __iomem * Signed-off-by: John Bowler <jbowler@acm.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix realview machine type for patch 3060/1Russell King2005-11-02
| | | | | | Realview was missed in this cleanup... Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3052/1: add ixp2000 microcode loaderLennert Buytenhek2005-11-01
| | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek This patch adds a microcode loader for the ixp2000 architecture. The ixp2000 is an xscale-based CPU with a number of additional small CPUs ('microengines') on die that can be programmed to do various things. Depending on the ixp2000 model, there are between 2 and 16 microengines. This code provides an API that allows configuring the microengines, loading code into them, and starting and stopping them and reading out a number of status registers, and is used by the microengine network driver that was recently announced to netdev. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3077/1: S3C2410 - regs-iis.h missing mask for IISMOD_FSBen Dooks2005-11-01
| | | | | | | | | Patch from Ben Dooks Add definition for S3C2410_IISMOD_FS_MASK Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3065/1: ixp2000 typo and whitespace fixesLennert Buytenhek2005-11-01
| | | | | | | | | | Patch from Lennert Buytenhek Misc ixp2000 typo and whitespace fixes. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3064/1: start using ixp2000_reg_wrbLennert Buytenhek2005-11-01
| | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek Switch the users of ixp2000_reg_write that depend on writes being flushed out of the write buffer by the time that function returns over to ixp2000_reg_wrb. When using XCB=101, writes to the same functional unit are still guaranteed to complete in order, so we only need to protect against: - reordering of writes to different functional units - masking an interrupt and then reenabling the IRQ bit in CPSR Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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