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2007-07-28Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 4527/1: pxa: fix pxa27x ac97 cold reset in ASoC due to CKEN change [ARM] 4530/1: MXC: fix elf_hwcap compile breakage as in iop13xx [ARM] 4529/1: [HP Jornada 7XX] - Fix jornada720.c to use SSP driver [ARM] 4528/1: [HP Jornada 7XX] - Fix typo in jornada720_ssp.c [ARM] Remove CONFIG_IGNORE_FIQ [ARM] 4526/1: pxa: make ARCH_PXA select GENERIC_CLOCKEVENTS [ARM] setup_profiling_timer must not be __init
2007-07-28[ARM] 4530/1: MXC: fix elf_hwcap compile breakage as in iop13xxQuinn Jensen
MXC needs the same change as IOP. See [ARM] 4494/1 or commit 7dea1b20066cd30fb54da7e686b16b5e38b46b2d An undefined reference to elf_hwcap prevents linkage, due to changes made by f884b1cf578e079f01682514ae1ae64c74586602 and d1cbbd6b413510c6512f4f80ffd48db1a8dd554a Removing processor.h removes the extern definition of elf_hwcap, which fixes the link issue, but forgets cpu_relax(). So, instead, we'll call barrier() directly. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Ross Wille <wille@freescale.com> Signed-off-by: Quinn Jensen <quinn.jensen@freescale.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-26arm unaligned.h annotationsAl Viro
Have put_unaligned() warn if types would be wrong for assignment, slap force-casts where needed. Cast the result of get_unaligned to typeof(*ptr). With that in place we get proper typechecking, both from gcc and from sparse, including that for bitwise types. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-24[BLOCK] Get rid of request_queue_t typedefJens Axboe
Some of the code has been gradually transitioned to using the proper struct request_queue, but there's lots left. So do a full sweet of the kernel and get rid of this typedef and replace its uses with the proper type. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-22Merge branches 'at91', 'imx', 'iop', 'ixp', 'ks8695', 'misc', 'ns9xxx', ↵Russell King
'pxa' and 's3c' into devel
2007-07-22[ARM] 4524/1: S3C: Move register out of include/asm-arm/arch-s3c2410Ben Dooks
Move register and other definitions out of the include/asm-arm/arch-s3c2410 into the the arch directories of include/asm-arm/plat-s3c24xx and include/asm-arm/plat-s3c. This move is in preperation of the merging of s3c2400 and s3c6400. The following git mv commands are needed before this patch can be applied: git mv include/asm-arm/arch-s3c2410/regs-ac97.h include/asm-arm/plat-s3c/regs-ac97.h git mv include/asm-arm/arch-s3c2410/regs-adc.h include/asm-arm/plat-s3c/regs-adc.h git mv include/asm-arm/arch-s3c2410/regs-iis.h include/asm-arm/plat-s3c24xx/regs-iis.h git mv include/asm-arm/arch-s3c2410/regs-spi.h include/asm-arm/plat-s3c24xx/regs-spi.h git mv include/asm-arm/arch-s3c2410/regs-udc.h include/asm-arm/plat-s3c24xx/regs-udc.h git mv include/asm-arm/arch-s3c2410/udc.h include/asm-arm/plat-s3c24xx/udc.h Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4523/1: S3C: Remove FIFO_MAX from uncompression headersBen Dooks
We've fixed up a number of faults with the uncompressors so remove the now unused FIFO_MAX as it is not needed. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4522/1: S3C: split include/asm-arm/arch/memory.hBen Dooks
Split the S3C2400 out of S3C2410 memory.h files ready for S3C2400 support to be added. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4521/2: S3C: Reorganise VA mapping headersBen Dooks
Reorganise the definition of the virtual addresses used into a common header and update the users to rename S3C2410 items into a more common S3C defined macros. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4520/1: S3C: Remove old VA values from static mapBen Dooks
Remove the static maps for the LCD and USB devices. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4519/1: S3C: split S3C2400 values out of S3C24XX map.hBen Dooks
Move the S3C2400 values to their own include directory series in include/asm-arm/arch-s3c2400 as the support for the S3C2400 is best placed in its own arch directory. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4518/1: S3C: Rename watchdog configuration optionsBen Dooks
Rename the S3C24XX configuration options for the watchdog boot controls for moving to the arch/arm/plat-s3c moves. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4517/1: S3C: Fix debug macros for ARM926 outputBen Dooks
Check for ARM926 based S3C24XX based devices as these only have 64 byte FIFOs, and do not have the model detection refisters in the same place as the ARM920 based CPUs Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4516/1: S3C: Fix uncompressor serial output for ARM926Ben Dooks
Ensure we check for ARM926 in the uncompressor, as all current ARM926s do not have an ID register and all have S3C2440 style UARTs. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4515/1: S3C: Move uncompress code to plat-s3cBen Dooks
Move the uncompress.h to plat-s3c Signed-off-by: Ben Dooks <ben-linux@fluff.org> 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>
2007-07-22[ARM] 4512/1: S3C: rename the debug macros for per-cpu updatesBen Dooks
Update the debug macros for use with the new per-cpu configuration and usage. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4510/1: S3C: split debug-macro support into plat-s3cBen Dooks
Move the common parts of the debug macros into include/asm-arm/plat-s3c ready to be used for the common S3C 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] 4508/1: S3C: Move items to include/asm-arm/plat-s3cBen Dooks
This patch moves items of the s3c24xx support into a new plat-s3c directory for items that use the s3c24xx support but are not directly s3c24xx compatible, such as the s3c2400 and s3c6400. git mv commands: git mv include/asm-arm/arch-s3c2410/iic.h include/asm-arm/plat-s3c/iic.h git mv include/asm-arm/arch-s3c2410/nand.h include/asm-arm/plat-s3c/nand.h git mv include/asm-arm/arch-s3c2410/regs-iic.h include/asm-arm/plat-s3c/regs-iic.h git mv include/asm-arm/arch-s3c2410/regs-nand.h include/asm-arm/plat-s3c/regs-nand.h git mv include/asm-arm/arch-s3c2410/regs-rtc.h include/asm-arm/plat-s3c/regs-rtc.h git mv include/asm-arm/arch-s3c2410/regs-serial.h include/asm-arm/plat-s3c/regs-serial.h git mv include/asm-arm/arch-s3c2410/regs-timer.h include/asm-arm/plat-s3c/regs-timer.h git mv include/asm-arm/arch-s3c2410/regs-watchdog.h include/asm-arm/plat-s3c/regs-watchdog.h Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22[ARM] 4461/1: MXC platform and i.MX31ADS core supportQuinn Jensen
This patch adds the foundation pieces for the Freescale MXC platforms, including i.MX2 and i.MX3 based systems. The bare-bones MX31 support in this patch boots to the rootdev panic with 8250 serial console configured "console=ttyS0,115200". It assumes that Redboot is the boot loader. Signed-off-by: Quinn Jensen <quinn.jensen@freescale.com> Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4503/1: nommu: Add noMMU support for ARMv7Catalin Marinas
This patch adds the necessary ifdef's to the proc-v7.S code and defines the v7wbi_tlb_fns macro in pgtable-nommu.h Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4506/1: HP Jornada 7XX: Addition of SSP Platform DriverKristoffer Ericson
These patches add full SSP/MCU support for the HP Jornada 720 machine. Its needed to handle keyboard, touchscreen, battery and backlight/lcd. The main driver exports functions and the header file exports the command values. When talking to the MCU the general procedure is to start MCU, send command (using ssp_inout(command)), the proper reply is always TXDUMMY. After receiving TXDUMMY you can send the value you wish pushed (for example brightness level). End with ssp_end() so the spinlock gets unlocked. Drivers using this havent been implemented yet, but will shortly. Signed-off-by: Kristoffer Ericson <Kristoffer.ericson@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4504/1: nommu: Fix the ARMv6 support for MMU-less platformsCatalin Marinas
With this patch, Kconfig only selects CPU_HAS_ASID for the MMU case. It also corrects the typo in the v6wbi_tlb_fns definition in pgtable-nommu.h. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4496/1: elf_hwcap: fix up #include misplacementDan Williams
While bisecting an iop13xx compile failure I noticed that include/asm-arm/hwcap.h should be included from include/asm-arm/elf.h outside #ifndef __ASSEMBLY__ since hwcap.h has its own __ASSEMBLY__ protections. Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4489/1: pxa: split pxa_cpu_suspend to processor specific onesEric Miao
1. split pxa_cpu_suspend to pxa25x_cpu_suspend and pxa27x_cpu_suspend and make pxa25x_cpu_pm_enter() and pxa27x_cpu_pm_enter() to invoke the corresponding _suspend functions, thus remove all those ugly #ifdef .. #endif out of sleep.S 2. move the declarations of those suspend functions to pm.h note: this is not a clean enough solution until all the pxa25x and pxa27x specific part is further removed out of sleep.S, sleep.S is supposed to contain generic code only Signed-off-by: eric miao <eric.y.miao@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4488/1: pxa: move pxa25x/pxa27x specific code out of pm.cEric Miao
1. introduce a structure pxa_cpu_pm_fns for pxa25x/pxa27x specific operations as follows: struct pxa_cpu_pm_fns { int save_size; void (*save)(unsigned long *); void (*restore)(unsigned long *); int (*valid)(suspend_state_t state); void (*enter)(suspend_state_t state); } 2. processor specific registers saving and restoring are performed by calling the corresponding (*save) and (*restore) 3. pxa_cpu_pm_fns->save_size should be initialized to the required size for processor specific registers saving, the allocated memory address will be passed to (*save) and (*restore) memory allocation happens early in pxa_pm_init(), and save_size should be assigned prior to this (which is usually true, since pxa_pm_init() happens in device_initcall() 4. there're some redundancies for those SLEEP_SAVE_XXX and related macros, will be fixed later, one way possible is for the system devices to handle the specific registers saving and restoring Signed-off-by: eric miao <eric.y.miao@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4487/1: ns9xxx: complete definition of GPIO related registersUwe Kleine-König
I changed the naming to be more obvious---unfortunately the HRM doesn't specify these. Moreover the numbering is changed to be zero indexed as this is more natural. Adjust all callers. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4486/1: ns9xxx: fix a typo in the register definitions.Uwe Kleine-König
Fixed all users. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4484/1: ns9xxx: fix definition of SYS_TCx_TEN_DISUwe Kleine-König
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4479/1: AT91: Define new MMC register bitsAndrew Victor
Add definitions for RDPROOF, WRPROOF and PDCFBYTE bits of the Mode Register in the updated MMC controller found on the AT91SAM9260 and AT91SAM9263 processors. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] vfp: make fpexc bit names less verboseRussell King
Use the fpexc abbreviated names instead of long verbose names for fpexc bits. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] avoid floppy warnings by using fd_dma_setup()Russell King
Avoid the virt_to_bus()/bus_to_virt() warnings in floppy.c caused by the (useless) double conversion to/from bus addresses. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] remove asm/ptrace.h from asm/thread_info.hRussell King
asm/thread_info.h doesn't need asm/ptrace.h, remove it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] shut up "warning: "__IGNORE_sync_file_range" redefined"Russell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4495/1: iop: combined watchdog timer driver for iop3xx and iop13xxDan Williams
In order for this driver to be shared across the iop architectures the iop3xx and iop13xx header files are modified to present a common interface for the iop_wdt driver. Details: * iop13xx supports disabling the timer while iop3xx does not. This requires a few 'compatibility' definitions in include/asm-arm/hardware/iop3xx.h to preclude adding #ifdef CONFIG_ARCH_IOP13XX blocks to the driver code. * The heartbeat interval is derived from the internal bus clock rate, so this this patch also exports the tick rate to the iop_wdt driver. Cc: Curt Bruns <curt.e.bruns@intel.com> Cc: Peter Milne <peter.milne@d-tacq.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4494/1: iop13xx: fix up elf_hwcap compile breakageDan Williams
arch/arm/boot/compressed/misc.o: In function `valid_user_regs': misc.c:(.text+0x74): undefined reference to `elf_hwcap' This triggers after the various elf_hwcap cleanups in: f884b1cf578e079f01682514ae1ae64c74586602 d1cbbd6b413510c6512f4f80ffd48db1a8dd554a include/asm-arm/arch-iop13xx/uncompress.h calls cpu_relax while spinning on a register value. cpu_relax requires processor.h->ptrace.h->hwcap.h 'elf_hwcap' is defined as an extern, but since the uncompressor does not link against arch/arm/kernel/setup.c 'elf_hwcap' remains undefined. Fix is to open code the cpu_relax() call as barrier(). Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-20[ARM] 4476/1: EM7210/SS4000E supportArnaud Patard
This patch adds the basic support for the em7210 board. It is similar to the iq31244 board and can be found on Intel "Baxter Creek" ss4000e nas. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-19[PATCH] sched: sched_cacheflush is now unusedRalf Baechle
Since Ingo's recent scheduler rewrite which was merged as commit 0437e109e1841607f2988891eaa36c531c6aa6ac sched_cacheflush is unused. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-19arch: personality independent stack topPeter Zijlstra
New arch macro STACK_TOP_MAX it gives the larges valid stack address for the architecture in question. It differs from STACK_TOP in that it will not distinguish between personalities but will always return the largest possible address. This is used to create the initial stack on execve, which we will move down to the proper location once the binfmt code has figured out where that is. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ollie Wild <aaw@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-17fbdev: detect primary display deviceAntonino A. Daplas
Add function helper, fb_is_primary_device(). Given struct fb_info, it will return a nonzero value if the device is the primary display. Currently, only the i386 is supported where the function checks for the IORESOURCE_ROM_SHADOW flag. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-17fbdev: move arch-specific bits to their respective subdirectoriesAntonino A. Daplas
Move arch-specific bits of fb_mmap() to their respective subdirectories [bob.picco@hp.com: efi_range_is_wc is referenced but not declared] [bunk@stusta.de: fix include/asm-m68k/fb.h] Signed-off-by: Antonino Daplas <adaplas@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-17mm: remove ptep_establish()Martin Schwidefsky
The last user of ptep_establish in mm/ is long gone. Remove the architecture primitive as well. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (37 commits) forcedeth bug fix: realtek phy forcedeth bug fix: vitesse phy forcedeth bug fix: cicada phy atl1: reorder atl1_main functions atl1: fix excessively indented code atl1: cleanup atl1_main atl1: header file cleanup atl1: remove irq_sem cdc-subset to support new vendor/product ID 8139cp: implement the missing dev->tx_timeout myri10ge: Remove nonsensical limit in the tx done routine gianfar: kill unused header EP93XX_ETH must select MII macb: Add multicast capability macb: Use generic PHY layer s390: add barriers to qeth driver s390: scatter-gather for inbound traffic in qeth driver eHEA: Introducing support vor DLPAR memory add Fix a potential NULL pointer dereference in free_shared_mem() in drivers/net/s2io.c [PATCH] softmac: Fix ESSID problem ...
2007-07-16macb: Use generic PHY layerfrederic RODO
Convert the macb driver to use the generic PHY layer in drivers/net/phy. Signed-off-by: Frederic RODO <f.rodo@til-technologies.fr> Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-16page table handling cleanupJan Beulich
Kill pte_rdprotect(), pte_exprotect(), pte_mkread(), pte_mkexec(), pte_read(), pte_exec(), and pte_user() except where arch-specific code is making use of them. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-13Merge branch 'ioat-md-accel-for-linus' of ↵Linus Torvalds
git://lost.foo-projects.org/~dwillia2/git/iop * 'ioat-md-accel-for-linus' of git://lost.foo-projects.org/~dwillia2/git/iop: (28 commits) ioatdma: add the unisys "i/oat" pci vendor/device id ARM: Add drivers/dma to arch/arm/Kconfig iop3xx: surface the iop3xx DMA and AAU units to the iop-adma driver iop13xx: surface the iop13xx adma units to the iop-adma driver dmaengine: driver for the iop32x, iop33x, and iop13xx raid engines md: remove raid5 compute_block and compute_parity5 md: handle_stripe5 - request io processing in raid5_run_ops md: handle_stripe5 - add request/completion logic for async expand ops md: handle_stripe5 - add request/completion logic for async read ops md: handle_stripe5 - add request/completion logic for async check ops md: handle_stripe5 - add request/completion logic for async compute ops md: handle_stripe5 - add request/completion logic for async write ops md: common infrastructure for running operations with raid5_run_ops md: raid5_run_ops - run stripe operations outside sh->lock raid5: replace custom debug PRINTKs with standard pr_debug raid5: refactor handle_stripe5 and handle_stripe6 (v3) async_tx: add the async_tx api xor: make 'xor_blocks' a library routine for use with async_tx dmaengine: make clients responsible for managing channels dmaengine: refactor dmaengine around dma_async_tx_descriptor ...
2007-07-13iop3xx: surface the iop3xx DMA and AAU units to the iop-adma driverDan Williams
Adds the platform device definitions and the architecture specific support routines (i.e. register initialization and descriptor formats) for the iop-adma driver. Changelog: * add support for > 1k zero sum buffer sizes * added dma/aau platform devices to iq80321 and iq80332 setup * fixed the calculation in iop_desc_is_aligned * support xor buffer sizes larger than 16MB * fix places where software descriptors are assumed to be contiguous, only hardware descriptors are contiguous for up to a PAGE_SIZE buffer size * convert to async_tx * add interrupt support * add platform devices for 80219 boards * do not call platform register macros in driver code * remove switch() statements for compatible register offsets/layouts * change over to bitmap based capabilities * remove unnecessary ARM assembly statement * checkpatch.pl fixes * gpl v2 only correction * phys move to dma_async_tx_descriptor Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2007-07-13iop13xx: surface the iop13xx adma units to the iop-adma driverDan Williams
Adds the platform device definitions and the architecture specific support routines (i.e. register initialization and descriptor formats) for the iop-adma driver. Changelog: * added 'descriptor pool size' to the platform data * add base support for buffer sizes larger than 16MB (hw max) * build error fix from Kirill A. Shutemov * rebase for async_tx changes * add interrupt support * do not call platform register macros in driver code * remove unnecessary ARM assembly statement * checkpatch.pl fixes * gpl v2 only correction Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2007-07-13dmaengine: driver for the iop32x, iop33x, and iop13xx raid enginesDan Williams
The Intel(R) IOP series of i/o processors integrate an Xscale core with raid acceleration engines. The capabilities per platform are: iop219: (2) copy engines iop321: (2) copy engines (1) xor and block fill engine iop33x: (2) copy and crc32c engines (1) xor, xor zero sum, pq, pq zero sum, and block fill engine iop34x (iop13xx): (2) copy, crc32c, xor, xor zero sum, and block fill engines (1) copy, crc32c, xor, xor zero sum, pq, pq zero sum, and block fill engine The driver supports the features of the async_tx api: * asynchronous notification of operation completion * implicit (interupt triggered) handling of inter-channel transaction dependencies The driver adapts to the platform it is running by two methods. 1/ #include <asm/arch/adma.h> which defines the hardware specific iop_chan_* and iop_desc_* routines as a series of static inline functions 2/ The private platform data attached to the platform_device defines the capabilities of the channels 20070626: Callbacks are run in a tasklet. Given the recent discussion on LKML about killing tasklets in favor of workqueues I did a quick conversion of the driver. Raid5 resync performance dropped from 50MB/s to 30MB/s, so the tasklet implementation remains until a generic softirq interface is available. Changelog: * fixed a slot allocation bug in do_iop13xx_adma_xor that caused too few slots to be requested eventually leading to data corruption * enabled the slot allocation routine to attempt to free slots before returning -ENOMEM * switched the cleanup routine to solely use the software chain and the status register to determine if a descriptor is complete. This is necessary to support other IOP engines that do not have status writeback capability * make the driver iop generic * modified the allocation routines to understand allocating a group of slots for a single operation * added a null xor initialization operation for the xor only channel on iop3xx * support xor operations on buffers larger than the hardware maximum * split the do_* routines into separate prep, src/dest set, submit stages * added async_tx support (dependent operations initiation at cleanup time) * simplified group handling * added interrupt support (callbacks via tasklets) * brought the pending depth inline with ioat (i.e. 4 descriptors) * drop dma mapping methods, suggested by Chris Leech * don't use inline in C files, Adrian Bunk * remove static tasklet declarations * make iop_adma_alloc_slots easier to read and remove chances for a corrupted descriptor chain * fix locking bug in iop_adma_alloc_chan_resources, Benjamin Herrenschmidt * convert capabilities over to dma_cap_mask_t * fixup sparse warnings * add descriptor flush before iop_chan_enable * checkpatch.pl fixes * gpl v2 only correction * move set_src, set_dest, submit to async_tx methods * move group_list and phys to async_tx Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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