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2008-01-29Merge branch 'blk-end-request' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'blk-end-request' of git://git.kernel.dk/linux-2.6-block: (30 commits) blk_end_request: changing xsysace (take 4) blk_end_request: changing ub (take 4) blk_end_request: cleanup of request completion (take 4) blk_end_request: cleanup 'uptodate' related code (take 4) blk_end_request: remove/unexport end_that_request_* (take 4) blk_end_request: changing scsi (take 4) blk_end_request: add bidi completion interface (take 4) blk_end_request: changing ide-cd (take 4) blk_end_request: add callback feature (take 4) blk_end_request: changing ide normal caller (take 4) blk_end_request: changing cpqarray (take 4) blk_end_request: changing cciss (take 4) blk_end_request: changing ide-scsi (take 4) blk_end_request: changing s390 (take 4) blk_end_request: changing mmc (take 4) blk_end_request: changing i2o_block (take 4) blk_end_request: changing viocd (take 4) blk_end_request: changing xen-blkfront (take 4) blk_end_request: changing viodasd (take 4) blk_end_request: changing sx8 (take 4) ...
2008-01-28Merge branch 'pxa-plat' into develRussell King
* pxa-plat: (53 commits) [ARM] 4762/1: Basic support for Toradex Colibri module [ARM] pxa: fix mci_init functions returning -1 [ARM] 4737/1: Refactor corgi_lcd to improve readability + bugfix [ARM] 4747/1: pcm027: support for pcm990 baseboard for phyCORE-PXA270 [ARM] 4746/1: pcm027: network support for phyCORE-PXA270 [ARM] 4745/1: pcm027: default configuration [ARM] 4744/1: pcm027: add support for phyCORE-PXA270 CPU module [NET] smc91x: Make smc91x use IRQ resource trigger flags [ARM] pxa: add default config for littleton [ARM] pxa: add basic support for Littleton (PXA3xx Form Factor Platform) [ARM] 4664/1: Add basic support for HTC Magician PDA phones [ARM] 4649/1: Base support for pxa-based Toshiba e-series PDAs. [ARM] pxa: skip registers saving/restoring if entering standby mode [ARM] pxa: fix PXA27x resume [ARM] pxa: Avoid fiddling with CKEN register on suspend [ARM] pxa: Add PXA3 standby code hooked into the IRQ wake scheme [ARM] pxa: Add zylonite MFP wakeup configurations [ARM] pxa: program MFPs for low power mode when suspending [ARM] pxa: make MFP configuration processor independent [ARM] pxa: remove un-used pxa3xx_mfp_set_xxx() functions ... Conflicts: arch/arm/mach-pxa/ssp.c Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-01-28blk_end_request: changing mmc (take 4)Kiyoshi Ueda
This patch converts mmc to use blk_end_request interfaces. Related 'uptodate' arguments are converted to 'error'. Cc: Pierre Ossman <drzeus-mmc@drzeus.cx> Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-01-27i2c/tps65010: move header to <linux/i2c/...>David Brownell
Move the tps65010 header file from the OMAP arch directory to the more generic <linux/i2c/...> directory, and remove the spurious dependency of this driver on OMAP. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-01-26[ARM] pxa: mmc: add 1st host controller support for pxa3xxBridge Wu
This patchis to add the first mmc controller support for pxa3xx. It's valid for pxa3[0|1|2]0. On zylonite, the first controller supports two slots, this patch only support the first one right now. Signed-off-by: Bridge Wu <bridge.wu@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-01-26[ARM] 4711/1: pxa: mmc: move DMA specific code to platform layerBridge Wu
This patch is to move pxamci DMA specific code to corresponding platform layer because using DRCMRRXMMC/DRCMRTXMMC in pxamci.c makes the driver code dedicated to platform which is not extensible. It is applicable to all pxa platforms. Signed-off-by: Bridge Wu <bridge.wu@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-01-26[ARM] 4709/1: pxa: mmc: add 26MHz support for pxa3[0|1]0 mmc controllerBridge Wu
pxa3[0|1]0 mmc controller can support 26MHz clock mode, they support SD spec 1.1 and MMC spec 4.0 which specify high speed mode. So host caps will include MMC_CAP_MMC_HIGHSPEED and MMC_CAP_SD_HIGHSPEED for pxa3[0|1]0. This patch is to add 26MHz support for them. pxa host clock will be set to 26MHz mode when the card supported max clock rate is higher than or equal to 26MHz. Signed-off-by: Bridge Wu <bridge.wu@marvell.com> Acked-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-12-12sdhci: support JMicron JMB38x chipsPierre Ossman
The JMicron JMB38x chip doesn't support transfers that aren't 32-bit aligned (both size and start address). It also doesn't like switching between PIO and DMA mode, so it needs to be reset after each request. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-12-12sdhci: use PIO when DMA can't satisfy the requestPierre Ossman
Some controllers have been designed on the assumption that all transfers will be 32-bit aligned, both in start address and in size. This is not a guarantee the SDHCI specification provides and not one we can provide. Revert back to PIO for individual requests in order to work around the hardware bug. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-12-12sdhci: don't warn about sdhci 2.0 controllersPierre Ossman
We support 2.0 controllers, even though we don't use anything in the new feature set. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-12-12sdhci: describe quirksPierre Ossman
Add a comment for each quirk to describe what it does and why. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-12-05spi: use simplified spi_sync() calling conventionMarc Pignat
Given the patch which simplifies the spi_sync calling convention, this one updates the callers of that routine which tried using it according to the previous specification. (Most didn't.) Signed-off-by: Marc Pignat <marc.pignat@hevs.ch> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-29sdio_uart: fix sign of paramter status in sdio_uart_receive_chars()Andre Haupt
This also fixes a sparse warning about different signedness. Only compile tested, because i do not have the hardware. Signed-off-by: Andre Haupt <andre@bitwigglers.org> Acked-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-11-27mmc: Add missing sg_init_table() callHaavard Skinnemoen
mmc_init_queue only initializes the scatterlists with sg_init_table() when using a bounce buffer. This leads to a BUG() when CONFIG_DEBUG_SG is set. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-11-21mmc: Avoid re-using minor numbers before the original device is closed.David Woodhouse
Move the code which marks the minor number as free to mmc_blk_put() so that it happens on the final close() (or removal), instead of doing it at removal even when the device is still logically open. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-11-21tifm_sd: handle non-power-of-2 block sizesAlex Dubov
It is possible to handle arbitrary block sizes with tifm card reader by conditionally switching to PIO in case such block has to be delivered. At the beginning of each request, DMA is either disabled (non-power-of-2 block size) or set to load time user preference. Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-11-21mmc_block: check card state after writePierre Ossman
Some cards have been reported to signal that they're ready prematurely. Checking both the busy bit and card state solves the issue. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-11-10Add missing "\n" to log messageRolf Eike Beer
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-11-08mmc: Fix sg helper copy-and-paste errorRoland Dreier
Commit 45711f1a ("[SG] Update drivers to use sg helpers") had the following bogus change in drivers/mmc/card/queue.c: > - src_buf = page_address(src->page) + src->offset; > + src_buf = sg_virt(dst); (Notice that "src" is converted to "dst"). Turn this "dst" back into the intended "src". Signed-off-by: Roland Dreier <roland@digitalvampire.org> Tested-by: Romano Giannetti <romano.giannetti@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-11-02cleanup asm/scatterlist.h includesAdrian Bunk
Not architecture specific code should not #include <asm/scatterlist.h>. This patch therefore either replaces them with #include <linux/scatterlist.h> or simply removes them if they were unused. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-31[ARM] Fix pxamci regressionRussell King
Fix: WARNING: at arch/arm/mach-pxa/clock.c:69 clk_disable() [<c002d7c8>] (dump_stack+0x0/0x14) from [<c00334f4>] (clk_disable+0x34/0xa0) [<c00334c0>] (clk_disable+0x0/0xa0) from [<c028a43c>] (pxamci_set_ios+0x74/0xf0) [<c028a3c8>] (pxamci_set_ios+0x0/0xf0) from [<c0281548>] (mmc_power_off+0x90/0x9c) [<c02814b8>] (mmc_power_off+0x0/0x9c) from [<c0281a30>] (mmc_start_host+0x18/0x28) [<c0281a18>] (mmc_start_host+0x0/0x28) from [<c02825a0>] (mmc_add_host+0xe8/0x104) [<c02824b8>] (mmc_add_host+0x0/0x104) from [<c028a7d0>] (pxamci_probe+0x24c/0x2f4) [<c028a584>] (pxamci_probe+0x0/0x2f4) from [<c01e5948>] (platform_drv_probe+0x20/0x24) ... Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-10-29Correction of "Update drivers to use sg helpers" patch for IMXMMC driverPavel Pisa
The previous change omits "data->" prefix in the "data->sg" case. This change fixes kernel compilation. Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> drivers/mmc/host/imxmmc.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) Signed-off-by: Jens Axboe <axboe@carl.home.kernel.dk>
2007-10-27scatterlist fallout: mmcAl Viro
#include <scatterlist/scatterlist.h> is an odd thing to do... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-27mmc_spi: Fix mmc-over-spi regressionDavid Brownell
Patch 49dce689ad4ef0fd1f970ef762168e4bd46f69a3 changed the sysfs data structures for SPI in a way which broke the MMC-over-SPI host driver. This patch fixes that regression by changing the scheme used to keep from knowingly trying to use a shared bus segment, and updates the adjacent comments slightly to better explain the issue. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-27mmc: use common byte swap macrosPierre Ossman
Use the more generic byte swapping macros instead of the socket variants. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-27mmc: fix cid and csd byte orderPierre Ossman
MMC over SPI sends the CID and CSD registers as data, not responses, which means that the host driver won't do the necessary byte flipping for us. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-27at91_mci: Fix bad referencePierre Ossman
The flags parameter got removed in a previous commit, but some references were overlooked. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-24mmc: sg falloutJens Axboe
Do a full scan of the directory to try and be a bit more proactive, instead of waiting for things to break. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-23[PATCH] Fix breakage after SG cleanupsRalf Baechle
Commits 58b053e4ce9d2fc3023645c1b96e537c72aa8d9a ("Update arch/ to use sg helpers") 45711f1af6eff1a6d010703b4862e0d2b9afd056 ("[SG] Update drivers to use sg helpers") fa05f1286be25a8ce915c5dd492aea61126b3f33 ("Update net/ to use sg helpers") converted many files to use the scatter gather helpers without ensuring that the necessary headerfile <linux/scatterlist> is included. This happened to work for ia64, powerpc, sparc64 and x86 because they happened to drag in that file via their <asm/dma-mapping.h>. On most of the others this probably broke. Instead of increasing the header file spider web I choose to include <linux/scatterlist.h> directly into the affectes files. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-23mmc: fix sg->page falloutEmil Medve
Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-22[SG] Update drivers to use sg helpersJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-17mmc: at91_mci: cleanup: use MCI_ERRORSAndrew Victor
A small MMC driver cleanup. Use the defined AT91_MCI_ERRORS in at91_mci_completed_command() instead of specifying all the error bits individually. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-17mmc: possible leak in mmc_read_ext_csdFlorin Malita
The exception path associated with an invalid ext_csd_struct returns without freeing ext_csd. Coverity CID 1909. Signed-off-by: Florin Malita Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-16missing include in mmcAl Viro
AFAICS, fallout from repacing include of blkdev.h with include of bio.h. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-16Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block: (63 commits) Fix memory leak in dm-crypt SPARC64: sg chaining support SPARC: sg chaining support PPC: sg chaining support PS3: sg chaining support IA64: sg chaining support x86-64: enable sg chaining x86-64: update pci-gart iommu to sg helpers x86-64: update nommu to sg helpers x86-64: update calgary iommu to sg helpers swiotlb: sg chaining support i386: enable sg chaining i386 dma_map_sg: convert to using sg helpers mmc: need to zero sglist on init Panic in blk_rq_map_sg() from CCISS driver remove sglist_len remove blk_queue_max_phys_segments in libata revert sg segment size ifdefs Fixup u14-34f ENABLE_SG_CHAINING qla1280: enable use_sg_chaining option ...
2007-10-16spi doesn't need class_deviceTony Jones
Make the SPI framework and drivers stop using class_device. Update docs accordingly ... highlighting just which sysfs paths should be "safe"/stable. Signed-off-by: Tony Jones <tonyj@suse.de> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-16mmc: need to zero sglist on initJens Axboe
Otherwise we could have junk in the sg fields, fooling the sg chaining into thinking ->page is valid. Acked-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-15Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (95 commits) [ARM] 4578/1: CM-x270: PCMCIA support [ARM] 4577/1: ITE 8152 PCI bridge support [ARM] 4576/1: CM-X270 machine support [ARM] pxa: Avoid pxa_gpio_mode() in gpio_direction_{in,out}put() [ARM] pxa: move pxa_set_mode() from pxa2xx_mainstone.c to mainstone.c [ARM] pxa: move pxa_set_mode() from pxa2xx_lubbock.c to lubbock.c [ARM] pxa: Make cpu_is_pxaXXX dependent on configuration symbols [ARM] pxa: PXA3xx base support [NET] smc91x: fix PXA DMA support code [SERIAL] Fix console initialisation ordering [ARM] pxa: tidy up arch/arm/mach-pxa/Makefile [ARM] Update arch/arm/Kconfig for drivers/Kconfig changes [ARM] 4600/1: fix kernel build failure with build-id-supporting binutils [ARM] 4599/1: Preserve ATAG list for use with kexec (2.6.23) [ARM] Rename consistent_sync() as dma_cache_maint() [ARM] 4572/1: ep93xx: add cirrus logic edb9307 support [ARM] 4596/1: S3C2412: Correct IRQs for SDI+CF and add decoding support [ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32 [ARM] 4594/1: ns9xxx: use the new gpio functions [ARM] 4593/1: ns9xxx: implement generic clockevents ...
2007-10-14Fix compile while compiling drivers/mmc/host/mmc_spi.o with !BLOCKDavid Brownell
Make sure the mmc_spi driver can build without CONFIG_BLOCK. Issue noted by "Avuton Olrich" <avuton@gmail.com> and randconfig. While that won't be a common configuration, sometimes embedded boards use SDIO to interface WLAN or Bluetooth chips (vs some parallel interface), and don't provide an MMC/SD socket for use with flash memory cards. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-14uevent environment changes falloutAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-12Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (75 commits) PM: merge device power-management source files sysfs: add copyrights kobject: update the copyrights kset: add some kerneldoc to help describe what these strange things are Driver core: rename ktype_edd and ktype_efivar Driver core: rename ktype_driver Driver core: rename ktype_device Driver core: rename ktype_class driver core: remove subsystem_init() sysfs: move sysfs file poll implementation to sysfs_open_dirent sysfs: implement sysfs_open_dirent sysfs: move sysfs_dirent->s_children into sysfs_dirent->s_dir sysfs: make sysfs_root a regular directory dirent sysfs: open code sysfs_attach_dentry() sysfs: make s_elem an anonymous union sysfs: make bin attr open get active reference of parent too sysfs: kill unnecessary NULL pointer check in sysfs_release() sysfs: kill unnecessary sysfs_get() in open paths sysfs: reposition sysfs_dirent->s_mode. sysfs: kill sysfs_update_file() ...
2007-10-12Driver core: change add_uevent_var to use a structKay Sievers
This changes the uevent buffer functions to use a struct instead of a long list of parameters. It does no longer require the caller to do the proper buffer termination and size accounting, which is currently wrong in some places. It fixes a known bug where parts of the uevent environment are overwritten because of wrong index calculations. Many thanks to Mathieu Desnoyers for finding bugs and improving the error handling. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-10-12mmc: use correct unregister function for led triggerPierre Ossman
We register a simple trigger so make sure we use the corresponding unregister function. (Also means we get a dummy function when triggers aren't compiled in) Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-12[ARM] pxa: update PXA MMC interface driver to use clk supportRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-10-11mmc: don't use weight32()Nicolas Pitre
Using weight32() to determine if a value is a power of 2 is a rather heavi weight solution. The classic idiom is (x & (x - 1)) == 0, but the kernel already provide a is_power_of_2 function for it. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-10pxamci: support arbitrary block sizeNicolas Pitre
The PXA has two transmit FIFOes, each32 byte deep. when one FIFO is full and the other one has been transmitted, they are automatically swapped and DMA is triggered for another 32 byte burst. However, when there is less than 32 bytes left to send, the FIFO swap has to be done manually. This is required for some SDIO transfers which are not required to be multiples of 32 bytes. A DMA completion interrupt is set for each descriptor which length isn't a multiple of 32 in order to force the FIFO swap. While at it, the DMA interrupt handler has been made a bit more resilient against errors. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-06sdio: make the IRQ thread more resilient in the presence of bad statesNicolas Pitre
Currently we print a message about some bad states wrt function IRQ handlers but return 0 from process_sdio_pending_irqs() nevertheless. This can lead to an infinite loop as nothing might have cleared the condition for the pending card interrupt from the host controller by the time host->ops->enable_sdio_irq(host, 1) is called. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-06sdio: fix IRQ diagnostic messageNicolas Pitre
If func is actually null we won't get much from sdio_func_id(func). Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-03sdhci: remove old dma module paramsPierre Ossman
The forcedma and nodma module parameters can be replaced with the quirks parameter, so remove the redundancy. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-10-03sdhci: add SDHCI_QUIRK_BROKEN_DMA quirkFeng Tang
Some controllers like ENE712 can't work properly with DMA mode, add this quirk to force these kinds of HW work with PIO mode Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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