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2009-11-12mxc_nand: remove TROP_US_DELAYSascha Hauer
wait_op_done is only called with the same timeout, so code the timeout into the function itself. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: Allow flash based bbtSascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: disable sp_en bit only onceSascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: Add NFC V2 supportSascha Hauer
The v2 version of this controller is used on i.MX35/25 SoCs. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: Get rid of pagesize_2k flagSascha Hauer
Later versions of this controller also allow 4k pagesize, so use mtd->writesize instead of a flag. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: Make main/spare areas runtime configurableSascha Hauer
The main/spare areas are on different addresses on later versions of the controller, so make them configurable. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: remove unused definesSascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc nand: modify send_page to send all pages, not only oneSascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc nand: simplify command processingSascha Hauer
Instead of having two switch/case with other operations in between, use only one switch/case Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc nand: use buffersSascha Hauer
The NAND controller has some limitations how to access the internal buffers. It only allows 32 bit accesses. The driver used to work around this by having special alignment aware copy routines. We now copy the whole page to a buffer in memory and let the access functions use this buffer. This simplifies the driver. A bonnie++ test showed that this has no negative performance impact on the driver. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc nand: use resource_size()Sascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc nand: remove dead codeSascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc nand: remove debug paramSascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: introduce mxc_do_addr_cycleSascha Hauer
This factors the address cycle to a seperate function. This becomes useful in a later patch where we can simplify the command processing by making use of this function. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: merge send_read_page and send_prog_pageSascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: cleanup initializationSascha Hauer
The oob layout was initialized several times. Instead, use a smallpage layout by default and switch to a largepage afterwards if necessary. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-11-12mxc_nand: cleanup eccoob descriptionsSascha Hauer
The original Freescale driver used to have eccoob descriptions like this: static struct nand_ecclayout nand_hw_eccoob_8 = { .eccbytes = 5, .eccpos = {6, 7, 8, 9, 10}, .oobfree = {{0, 5}, {11, 5}} }; static struct nand_ecclayout nand_hw_eccoob_16 = { .eccbytes = 5, .eccpos = {6, 7, 8, 9, 10}, .oobfree = {{0, 6}, {12, 4}} }; The former was used for 8bit flashes and the latter for 16bit flashes. They honored the fact that the bad block marker on 8bit flashes is on byte 5 while on 16bit flashes it is on byte 11. In the Kernel driver this was copied wrong and we ended up with two identical descriptions. Change it so that we have only one description which leaves byte 5 and byte 11 unspecified so that it won't be used by others. Also, rename the descriptions to nand_hw_eccoob_smallpage and nand_hw_eccoob_largepage so that it can't be confused with Nand chip bus widths (what actually happened in this driver) Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-10-21mtd: Fix compile failure and error path in physmap.cH Hartley Sweeten
Commit 4b56ffcacee937a85bf39e14872dd141e23ee85f ("mtd: Fix kernel NULL pointer dereference in physmap.c") introduced a couple of bugs. It neglected to run the loop of map_destroy() calls in physmap_flash_remove(), if !info->cmtd, which would happen if that function was called to clean up errors during probe. It also failed to compile if CONFIG_MTD_PARTITIONS was not defined. Reported-By: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-20Revert "mtd: mxc_nand: fix 2KiB pagesize NAND on i.MX27"David Woodhouse
This reverts commit 71b7d0d90d536ae4e70929cc59a1a9f6ba457c6c. The problem which that commit attempted to fix was a bootloader issue, which had been misunderstood. The 'fix' causes lots of false bad blocks for existing users with sane firmware. Thanks to Mathieu Berland for diagnosing the problem coherently. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-20mtd_blkdevs.c: quiet a "symbol shadows" sparse warninghartleys
In register_mtd_blktrans(), the symbol 'ret' is already declared as an int at the start of the function. The inner loop declaration is unnecessary. Quiets the following sparse warning: warning: symbol 'ret' shadows an earlier one Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-20mtd: add bcmring nand driverLeo (Hao) Chen
Signed-off-by: Leo Hao Chen <leochen@broadcom.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-20mtd: Fix kernel NULL pointer dereference in physmap.cH Hartley Sweeten
During the probe for physmap platform flash devices there are a number error exit conditions that all do a goto err_out which then calls physmap_flash_remove(). In that function one of the cleanup steps is: #ifdef CONFIG_MTD_CONCAT if (info->cmtd != info->mtd[0]) mtd_concat_destroy(info->cmtd); #endif This test will succeed since info->cmtd == NULL and info->mtd[0] is valid. Fix this by exiting the remove function when info->cmtd == NULL. Also, cleanup the #ifdef CONFIG_MTD_PARTITIONS stuff by using mtd_has_partitions(). Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-20mtd: plat_nand: request memory resource before doing ioremapH Hartley Sweeten
Add a request_mem_region() before doing the ioremap(). Also, use the resource_size macro instead of doing the end - start + 1 calc by hand. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-19pcmcia: convert pcmciamtd driver to use new CIS helpersDominik Brodowski
Convert the (broken) pcmciamtd driver to use the new CIS helpers. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-17mtd: maps: remove obsolete ipaq-flash driverDmitry Artamonow
This driver seems to be obsolete and broken for a long time. It depends on CONFIG_IPAQ_HANDHELD that simply doesn't exists anywhere in kernel. Also, it seems that none of machines it claims to support have any use of it: SA11xx-based iPAQs (h3100/h3600) use sa1100-flash iPAQ h5000 uses physmap-flash Jornada 720 uses sa1100-flash Jornada 560 and iPAQ h1910 are not in mainline Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-17mtd: fix memory leak in mtd_dataflashH Hartley Sweeten
Fix a potential memory leak in mtd_dataflash driver. The private data that is allocated when registering a DataFlash device with the MTD subsystem is not released if an error occurs when add_mtd_partitions() or add_mtd_device() is called. Fix this by adding an error path. The memory is already released during a remove. Also, add a dev_set_drvdata(&spi->dev, NULL) before the kfree() so that the spi device does not reference invalid data. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-17mtd: cleanup mtd_oobtestAkinobu Mita
- Remove unnecessary memset for bbt All entries will be initialized at a few lines below - Remove unnecessary initialization for mtd->erasesize - Use write_whole_device() Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-17mtd: maps/sa1100: fix section mismatchDmitry Artamonow
Commit f0b1e589 changed sa1100_mtd_probe from __init to __devinit, but missed to correct sa1100_setup_mtd definition accordingly, which causes following warning: WARNING: vmlinux.o(.devinit.text+0xf4): Section mismatch in reference from the function sa1100_mtd_probe() to the function .init.text:sa1100_setup_mtd() The function __devinit sa1100_mtd_probe() references a function __init sa1100_setup_mtd(). If sa1100_setup_mtd is only used by sa1100_mtd_probe then annotate sa1100_setup_mtd with a matching annotation. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-17mtd: move mxcnd_remove to .exit.textUwe Kleine-König
The function mxcnd_remove is used only wrapped by __exit_p so define it using __exit. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Vladimir Barinov <vova.barinov@gmail.com> Cc: Vladimir Barinov <vbarinov@embeddedalley.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-08mtd: atmel_nand: unused variable removedClaudio Scordino
Unused variable "eccpos" removed from atmel_nand driver. Signed-off-by: Claudio Scordino <claudio@evidence.eu.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-05mtd: make onenand_base.c compile againDavid Woodhouse
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-05mtd: Standardising prints in onenand_base.cAmul Kumar Saha
This patch resolves all the prints present in onenand_base.c Primarily, it replaces the hard-coded function names in the prints, and makes use of __func__. Signed-off-by: Amul Kumar Saha <amul.saha@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-10-05mtd: nand: davinci: fix to use mask_ale from pdataHemant Pedanekar
Correct typo to use mask_ale from platform data when set to non-zero. Signed-off-by: Hemant Pedanekar <hemantp@ti.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-27mtd: Fix warning in sa1100-flash.cRussell King
drivers/mtd/maps/sa1100-flash.c: In function 'sa1100_probe_subdev': drivers/mtd/maps/sa1100-flash.c:214: warning: format '%d' expects type 'int', but argument 3 has type 'uint64_t' Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-24ARM Nomadik: use new OneNand name and pdataAlessandro Rubini
This enables the onenand with the new platform device name. Moreover, it fixes a related typo that doesn't deserve a separate patch. Signed-off-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Andrea Gallo <andrea.gallo@stericsson.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-24mtd: unify status enum from three headersAlessandro Rubini
nand.h, onenand.h and flashchip.h defined enumeration types for chip status using the same symbolic names. This prevented a board file to include more than one of them. In particular, no nand and onenand platform devices could live in the same file. This patch augments flashchip.h with a few status values in order to cover all cases, so nand.h and onenand.h can use flstate_t without declaring their own status enum. Signed-off-by: Alessandro Rubini <rubini@unipv.it> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-24mtd: use bbm.h in nand.hAlessandro Rubini
This consolidates common code in nand.h and bbm.h. The comments and data structures were the same, this keeps the comment from nand.h as it fits 80 columns, while the one in bbm.h did not. Signed-off-by: Alessandro Rubini <rubini@unipv.it> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-24mtd: m25p80: disable SST software protection bits by defaultGraf Yang
The SST SPI flashes is like Atmel SPI flashes in that the software protection bits are set by default at power up, so clear them at init time. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-24mtd/maps: gpio-addr-flash: depend on GPIO arch supportMike Frysinger
The driver requires gpio functionality, so make sure we depend on that in the Kconfig menu. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-24mtd/maps: gpio-addr-flash: pull in linux/ headers rather than asm/Mike Frysinger
Now that there are linux/ versions of gpio.h and io.h, include those rather than hitting the asm/ versions. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-24mtd: nand: fix htmldocs warningsJaswinder Singh Rajput
Fixed following htmldocs warnings: DOCPROC Documentation/DocBook/mtdnand.xml Warning(drivers/mtd/nand/nand_base.c:769): No description found for parameter 'page' Warning(drivers/mtd/nand/nand_base.c:785): No description found for parameter 'page' Warning(drivers/mtd/nand/nand_base.c:824): No description found for parameter 'page' Warning(drivers/mtd/nand/nand_base.c:947): No description found for parameter 'page' Warning(drivers/mtd/nand/nand_base.c:996): No description found for parameter 'page' Warning(drivers/mtd/nand/nand_base.c:1040): No description found for parameter 'page' Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-23Merge git://git.infradead.org/mtd-2.6Linus Torvalds
* git://git.infradead.org/mtd-2.6: (58 commits) mtd: jedec_probe: add PSD4256G6V id mtd: OneNand support for Nomadik 8815 SoC (on NHK8815 board) mtd: nand: driver for Nomadik 8815 SoC (on NHK8815 board) m25p80: Add Spansion S25FL129P serial flashes jffs2: Use SLAB_HWCACHE_ALIGN for jffs2_raw_{dirent,inode} slabs mtd: sh_flctl: register sh_flctl using platform_driver_probe() mtd: nand: txx9ndfmc: transfer 512 byte at a time if possible mtd: nand: fix tmio_nand ecc correction mtd: nand: add __nand_correct_data helper function mtd: cfi_cmdset_0002: add 0xFF intolerance for M29W128G mtd: inftl: fix fold chain block number mtd: jedec: fix compilation problem with I28F640C3B definition mtd: nand: fix ECC Correction bug for SMC ordering for NDFC driver mtd: ofpart: Check availability of reg property instead of name property driver/Makefile: Initialize "mtd" and "spi" before "net" mtd: omap: adding DMA mode support in nand prefetch/post-write mtd: omap: add support for nand prefetch-read and post-write mtd: add nand support for w90p910 (v2) mtd: maps: add mtd-ram support to physmap_of mtd: pxa3xx_nand: add single-bit error corrections reporting ...
2009-09-23Merge branch 'vgaarb-fix' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'vgaarb-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: vgaarb: make client interface config invariant.
2009-09-23Merge git://git.infradead.org/iommu-2.6Linus Torvalds
* git://git.infradead.org/iommu-2.6: (23 commits) intel-iommu: Disable PMRs after we enable translation, not before intel-iommu: Kill DMAR_BROKEN_GFX_WA option. intel-iommu: Fix integer wrap on 32 bit kernels intel-iommu: Fix integer overflow in dma_pte_{clear_range,free_pagetable}() intel-iommu: Limit DOMAIN_MAX_PFN to fit in an 'unsigned long' intel-iommu: Fix kernel hang if interrupt remapping disabled in BIOS intel-iommu: Disallow interrupt remapping if not all ioapics covered intel-iommu: include linux/dmi.h to use dmi_ routines pci/dmar: correct off-by-one error in dmar_fault() intel-iommu: Cope with yet another BIOS screwup causing crashes intel-iommu: iommu init error path bug fixes intel-iommu: Mark functions with __init USB: Work around BIOS bugs by quiescing USB controllers earlier ia64: IOMMU passthrough mode shouldn't trigger swiotlb init intel-iommu: make domain_add_dev_info() call domain_context_mapping() intel-iommu: Unify hardware and software passthrough support intel-iommu: Cope with broken HP DC7900 BIOS iommu=pt is a valid early param intel-iommu: double kfree() intel-iommu: Kill pointless intel_unmap_single() function ... Fixed up trivial include lines conflict in drivers/pci/intel-iommu.c
2009-09-23misc: remove redundant start_kernel prototypesRusty Russell
Impact: cleanup No need for redeclaration. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-23Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: (41 commits) regulator: Add some brief design documentation regulator: fix voltage range in da9034 ldo12 regulator/driver: be more specific in nanodoc for is_enabled regulator/lp3971: drop unnecessary initialization regulator: drop 'default n' regulator: fix typos regulator: fix calculation of voltage range in da9034_set_ldo12_voltage() regulator: update a filename in documentation drivers/regulator/Kconfig: fix typo (s/Usersapce/Userspace/) in REGULATOR_USERSPACE_CONSUMER description REGULATOR Handle positive returncode from enable regulator: tps650xx - build fixes for x86_64 Fix some regulator documentation Regulator: Adding TPS65023 and TPS6507x in Kconfig and Makefile Regulator: Add TPS6507x regulator driver Regulator: Add TPS65023 regulator driver regulator: userspace: use sysfs_create_group regulator: Add GPIO enable control to fixed voltage regulator driver Regulator: Implement list_voltage for pcf50633 regulator driver. regulator: regulator_enable() permission checking regulator: Push locking for regulator_is_enabled() out ...
2009-09-23Merge branch 'fix/misc' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'fix/misc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: lx6464es - remove unused struct member ALSA: lx6464es - cleanup of rmh message bus function ALSA: pcm - Simplify snd_pcm_drain() implementation
2009-09-23Merge branch 'fix/asoc' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ASoC: wm8753: fix mapping when MONOMIX is set to Stereo ASoC: some minor changes for AD1836 and AD1938 codec drivers ASoC: DaVinci: Fixes to McASP configuration ASoC: Blackfin I2S: fix resuming when device hasn't been used ASoC: Blackfin I2S: add lost platform_device parameter to resume function ASoC: fix typos in Blackfin headers ASoC: bf5xx-sport: the irq save/restore funcs take an unsigned long ASoC: Blackfin AC97: add a few missing multichannel define handling
2009-09-23Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (22 commits) [S390] Update default configuration. [S390] hibernate: Do real CPU swap at resume time [S390] dasd: tolerate devices that have no feature codes [S390] zcrypt: Do not add/remove devices in s/r callbacks [S390] hibernate: make sure pfn_is_nosave handles lowcore pages [S390] smp: introduce LC_ORDER and simplify lowcore handling [S390] ptrace: use common code for simple peek/poke operations [S390] fix disabled_wait inline assembly clobber list [S390] Change kernel_page_present coding style. [S390] hibernation: reset system after resume [S390] hibernation: fix guest page hinting related crash [S390] Get rid of init_module/delete_module compat functions. [S390] Convert sys_execve to function with parameters. [S390] Convert sys_clone to function with parameters. [S390] qdio: change state of all primed input buffers [S390] qdio: reduce per device debug messages [S390] cio: introduce consistent subchannel scanning [S390] cio: idset use actual number of ssids [S390] cio: dont kfree vmalloced memory [S390] cio: introduce css_settle ...
2009-09-23Merge branch 'timers-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: itimers: Add tracepoints for itimer hrtimer: Add tracepoint for hrtimers timers: Add tracepoints for timer_list timers cputime: Optimize jiffies_to_cputime(1) itimers: Simplify arm_timer() code a bit itimers: Fix periodic tics precision itimers: Merge ITIMER_VIRT and ITIMER_PROF Trivial header file include conflicts in kernel/fork.c
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