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2016-02-12mtd: bcm63xxpart: Remove dependency on mach-bcm63xxSimon Arlott1-1/+1
Read nvram directly from flash instead of using the in-memory copy that mach-bcm63xx has, to remove the dependency on mach-bcm63xx and allow the parser to work on bmips too. Rename remaining BCM63XX defines to BCM963XX as these are properties of the flash layout on the board. BCM963XX_DEFAULT_PSI_SIZE changes from SZ_64K to 64 because it will be multiplied by SZ_1K later on. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-11-10mtd: enable AFS selection for ARM64Linus Walleij1-1/+1
ARM use their special partitions also on the ARM64 architecture reference designs, so enable this for ARM64. Cc: Ryan Harkin <ryan.harkin@linaro.org> Cc: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-04-05mtd: part: Create the master device node when partitionedDan Ehrenberg1-0/+13
For many use cases, it helps to have a device node for the entire MTD device as well as device nodes for the individual partitions. For example, this allows querying the entire device's properties. A common idiom is to create an additional partition which spans over the whole device. This patch makes a config option, CONFIG_MTD_PARTITIONED_MASTER, which makes the master partition present even when the device is partitioned. This isn't turned on by default since it presents a backwards-incompatible device numbering. The patch also makes the parent of a partition device be the master, if the config flag is set, now that the master is a full device. Signed-off-by: Dan Ehrenberg <dehrenberg@chromium.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-11-05mtd: update help of CONFIG_MTD_OF_PARTSMichal Sojka1-1/+1
The help text of CONFIG_MTD_OF_PARTS refers to additional documentation in booting-without-of.txt but this documentation was moved to another file in commit efcc2da3fd148c9acb7d7cf1d9800e0649f950fc (Stefan Roese: Factor MTD physmap bindings out of booting-without-of). This updates the help text to point to the right place. Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz> [Brian: fixed doc reference] Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-04-14mtd: spi-nor: add the framework for SPI NORHuang Shijie1-0/+2
This patch cloned most of the m25p80.c. In theory, it adds a new spi-nor layer. Before this patch, the layer is like: MTD ------------------------ m25p80 ------------------------ spi bus driver ------------------------ SPI NOR chip After this patch, the layer is like: MTD ------------------------ spi-nor ------------------------ m25p80 ------------------------ spi bus driver ------------------------ SPI NOR chip With the spi-nor controller driver(Freescale Quadspi), it looks like: MTD ------------------------ spi-nor ------------------------ fsl-quadspi ------------------------ SPI NOR chip New APIs: spi_nor_scan: used to scan a spi-nor flash. Signed-off-by: Huang Shijie <b32955@freescale.com> Acked-by: Marek Vasut <marex@denx.de> [Brian: rebased to include additional m25p_ids[] entry] Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-03-10mtd: bcm47xxpart: allow enabling on ARCH_BCM_5301XRafał Miłecki1-1/+1
Home routers based on SoCs like BCM53010 (AKA BCM4708) use flashes which can be nicely partitioned with bcm47xxpart. Header bcm47xx_nvram.h is not available on bcm53xx, so don't include it. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-07mtd: Hide CONFIG_MTD_BLKDEVS from the menuEzequiel Garcia1-3/+4
Make this option a hidden one and get a cleaner configuration. This option just selects a common infrastructure for MTD-based devices to expose a block interface. There is no point in allowing a separate enable/disable. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> [Brian: keep symbol as tristate] Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2013-04-05mtd: merge mtdchar module with mtdcoreArtem Bityutskiy1-13/+0
The MTD subsystem has historically tried to be as configurable as possible. The side-effect of this is that its configuration menu is rather large, and we are gradually shrinking it. For example, we recently merged partitions support with the mtdcore. This patch does the next step - it merges the mtdchar module to mtdcore. And in this case this is not only about eliminating too fine-grained separation and simplifying the configuration menu. This is also about eliminating seemingly useless kernel module. Indeed, mtdchar is a module that allows user-space making use of MTD devices via /dev/mtd* character devices. If users do not enable it, they simply cannot use MTD devices at all. They cannot read or write the flash contents. Is it a sane and useful setup? I believe not. And everyone just enables mtdchar. Having mtdchar separate is also a little bit harmful. People sometimes miss the fact that they need to enable an additional configuration option to have user-space MTD interfaces, and then they wonder why on earth the kernel does not allow using the flash? They spend time asking around. Thus, let's just get rid of this module and make it part of mtd core. Note, mtdchar had additional configuration option to enable OTP interfaces, which are present on some flashes. I removed that option as well - it saves a really tiny amount space. [dwmw2: Strictly speaking, you can mount file systems on MTD devices just fine without the mtdchar (or mtdblock) devices; you just can't do other manipulations directly on the underlying device. But still I agree that it makes sense to make this unconditional. And Yay! we get to kill off an instance of checking CONFIG_foo_MODULE, which is an abomination that should never happen.] Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-03-02Merge tag 'for-linus-20130301' of git://git.infradead.org/linux-mtdLinus Torvalds1-2/+2
Pull MTD update from David Woodhouse: "Fairly unexciting MTD merge for 3.9: - misc clean-ups in the MTD command-line partitioning parser (cmdlinepart) - add flash locking support for STmicro chips serial flash chips, as well as for CFI command set 2 chips. - new driver for the ELM error correction HW module found in various TI chips, enable the OMAP NAND driver to use the ELM HW error correction - added number of new serial flash IDs - various fixes and improvements in the gpmi NAND driver - bcm47xx NAND driver improvements - make the mtdpart module actually removable" * tag 'for-linus-20130301' of git://git.infradead.org/linux-mtd: (45 commits) mtd: map: BUG() in non handled cases mtd: bcm47xxnflash: use pr_fmt for module prefix in messages mtd: davinci_nand: Use managed resources mtd: mtd_torturetest can cause stack overflows mtd: physmap_of: Convert device allocation to managed devm_kzalloc() mtd: at91: atmel_nand: for PMECC, add code to check the ONFI parameter ECC requirement. mtd: atmel_nand: make pmecc-cap, pmecc-sector-size in dts is optional. mtd: atmel_nand: avoid to report an error when lookup table offset is 0. mtd: bcm47xxsflash: adjust names of bus-specific functions mtd: bcm47xxpart: improve probing of nvram partition mtd: bcm47xxpart: add support for other erase sizes mtd: bcm47xxnflash: register this as normal driver mtd: bcm47xxnflash: fix message mtd: bcm47xxsflash: register this as normal driver mtd: bcm47xxsflash: write number of written bytes mtd: gpmi: add sanity check for the ECC mtd: gpmi: set the Golois Field bit for mx6q's BCH mtd: devices: elm: Removes <xx> literals in elm DT node mtd: gpmi: fix a dereferencing freed memory error mtd: fix the wrong timeo for panic_nand_wait() ...
2013-02-04mtd: cmdlinepart: Make it into a moduleLubomir Rintel1-2/+2
All other partitioning schemes can be compiled as modules Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
2013-01-11drivers/mtd: remove depends on CONFIG_EXPERIMENTALKees Cook1-1/+1
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
2012-09-29mtd: bcm47part driver for BCM47XX chipsetsRafał Miłecki1-0/+7
This driver provides parser detecting partitions on BCM47XX flash memories. It has many differences in comparison to BCM63XX, like: 1) Different CFE with no more trivial MAGICs 2) More partitions types (board_data, ML, POT) 3) Supporting more than 1 flash on a device which resulted in decision of writing new parser. It uses generic mtd interface and was successfully tested with Netgear WNDR4500 router which has 2 flash memories: serial one and NAND one. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-06-01mtd: of_parts: fix breakage in KconfigFrank Svendsboe1-1/+1
MTD_OF_PARTS and the default setting is not working due to using 'Y' instead of 'y', introduced in commit d6137badeff1ef64b4e0092ec249ebdeaeb3ff37. This made our board, and possibly other boards using DTS defined partitions and not having CONFIG_MTD_OF_PARTS=y defined in the defconfig, fail to mount root. Signed-off-by: Frank Svendsboe <frank.svendsboe@gmail.com> Cc: stable@kernel.org [3.2+] Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-03-30Merge tag 'for-linus-3.4' of git://git.infradead.org/mtd-2.6Linus Torvalds1-3/+0
Pull MTD changes from David Woodhouse: - Artem's cleanup of the MTD API continues apace. - Fixes and improvements for ST FSMC and SuperH FLCTL NAND, amongst others. - More work on DiskOnChip G3, new driver for DiskOnChip G4. - Clean up debug/warning printks in JFFS2 to use pr_<level>. Fix up various trivial conflicts, largely due to changes in calling conventions for things like dmaengine_prep_slave_sg() (new inline wrapper to hide new parameter, clashing with rewrite of previously last parameter that used to be an 'append' flag, and is now a bitmap of 'unsigned long flags'). (Also some header file fallout - like so many merges this merge window - and silly conflicts with sparse fixes) * tag 'for-linus-3.4' of git://git.infradead.org/mtd-2.6: (120 commits) mtd: docg3 add protection against concurrency mtd: docg3 refactor cascade floors structure mtd: docg3 increase write/erase timeout mtd: docg3 fix inbound calculations mtd: nand: gpmi: fix function annotations mtd: phram: fix section mismatch for phram_setup mtd: unify initialization of erase_info->fail_addr mtd: support ONFI multi lun NAND mtd: sm_ftl: fix typo in major number. mtd: add device-tree support to spear_smi mtd: spear_smi: Remove default partition information from driver mtd: Add device-tree support to fsmc_nand mtd: fix section mismatch for doc_probe_device mtd: nand/fsmc: Remove sparse warnings and errors mtd: nand/fsmc: Add DMA support mtd: nand/fsmc: Access the NAND device word by word whenever possible mtd: nand/fsmc: Use dev_err to report error scenario mtd: nand/fsmc: Use devm routines mtd: nand/fsmc: Modify fsmc driver to accept nand timing parameters via platform mtd: fsmc_nand: add pm callbacks to support hibernation ...
2012-03-27mtd: mtdoops: kill Kconfig usage instructionsBrian Norris1-3/+0
The mtdoops usage instructions found in Kconfig have been incorrect since: commit 2e386e4bac90554887e73d6f342e845185b33fc3 mtd: mtdoops: refactor as a kmsg_dumper mtdoops no longer uses a console. Now, if you build it into your kernel, you add something like the following to your command line to select partition X as your logging partition: mtdoops.mtddev=X Anyway, it seems better to leave the documentation out of Kconfig. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-03-25MTD: Relax dependenciesRichard Weinberger1-1/+1
CONFIG_GENERIC_IO is just enough for the basic MTD stuff. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
2012-01-09mtd: maps: bcm963xx-flash: make CFE partition parsing an mtd parserJonas Gorski1-0/+8
Recent BCM63XX devices support a variety of flash types (parallel, SPI, NAND) and share the partition layout. To prevent code duplication make the CFE partition parsing code a stand alone mtd parser to allow SPI or NAND flash drivers to use it. Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2011-11-07Merge git://git.infradead.org/mtd-2.6Linus Torvalds1-15/+6
* git://git.infradead.org/mtd-2.6: (226 commits) mtd: tests: annotate as DANGEROUS in Kconfig mtd: tests: don't use mtd0 as a default mtd: clean up usage of MTD_DOCPROBE_ADDRESS jffs2: add compr=lzo and compr=zlib options jffs2: implement mount option parsing and compression overriding mtd: nand: initialize ops.mode mtd: provide an alias for the redboot module name mtd: m25p80: don't probe device which has status of 'disabled' mtd: nand_h1900 never worked mtd: Add DiskOnChip G3 support mtd: m25p80: add EON flash EN25Q32B into spi flash id table mtd: mark block device queue as non-rotational mtd: r852: make r852_pm_ops static mtd: m25p80: add support for at25df321a spi data flash mtd: mxc_nand: preset_v1_v2: unlock all NAND flash blocks mtd: nand: switch `check_pattern()' to standard `memcmp()' mtd: nand: invalidate cache on unaligned reads mtd: nand: do not scan bad blocks with NAND_BBT_NO_OOB set mtd: nand: wait to set BBT version mtd: nand: scrub BBT on ECC errors ... Fix up trivial conflicts: - arch/arm/mach-at91/board-usb-a9260.c Merged into board-usb-a926x.c - drivers/mtd/maps/lantiq-flash.c add_mtd_partitions -> mtd_device_register vs changed to use mtd_device_parse_register.
2011-10-30mtd: tests: annotate as DANGEROUS in KconfigWolfram Sang1-1/+4
The tests may erase mtd devices, so annotate them as suggested per coding style and add a paragraph to the help text as well. Artem: amended the help test a bit. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
2011-09-27doc: fix broken referencesPaul Bolle1-1/+1
There are numerous broken references to Documentation files (in other Documentation files, in comments, etc.). These broken references are caused by typo's in the references, and by renames or removals of the Documentation files. Some broken references are simply odd. Fix these broken references, sometimes by dropping the irrelevant text they were part of. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-09-11mtd: remove CONFIG_MTD_DEBUGBrian Norris1-13/+0
Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
2011-09-11mtd: make ofpart buildable as a separate moduleDmitry Eremin-Solenikov1-1/+2
As ofpart now uses a standard mtd partitions parser interface, make it buildable as a separate module. Also provide MODULE_DESCRIPTION and MODULE_AUTHOR for this module. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Artem Bityutskiy <dedekind1@gmail.com>
2011-05-27Merge git://git.infradead.org/mtd-2.6Linus Torvalds1-17/+1
* git://git.infradead.org/mtd-2.6: (97 commits) mtd: kill CONFIG_MTD_PARTITIONS mtd: remove add_mtd_partitions, add_mtd_device and friends mtd: convert remaining users to mtd_device_register() mtd: samsung onenand: convert to mtd_device_register() mtd: omap2 onenand: convert to mtd_device_register() mtd: txx9ndfmc: convert to mtd_device_register() mtd: tmio_nand: convert to mtd_device_register() mtd: socrates_nand: convert to mtd_device_register() mtd: sharpsl: convert to mtd_device_register() mtd: s3c2410 nand: convert to mtd_device_register() mtd: ppchameleonevb: convert to mtd_device_register() mtd: orion_nand: convert to mtd_device_register() mtd: omap2: convert to mtd_device_register() mtd: nomadik_nand: convert to mtd_device_register() mtd: ndfc: convert to mtd_device_register() mtd: mxc_nand: convert to mtd_device_register() mtd: mpc5121_nfc: convert to mtd_device_register() mtd: jz4740_nand: convert to mtd_device_register() mtd: h1910: convert to mtd_device_register() mtd: fsmc_nand: convert to mtd_device_register() ... Fixed up trivial conflicts in - drivers/mtd/maps/integrator-flash.c: removed in ARM tree - drivers/mtd/maps/physmap.c: addition of afs partition probe type clashing with removal of CONFIG_MTD_PARTITIONS
2011-05-25mtd: kill CONFIG_MTD_PARTITIONSJamie Iles1-9/+1
Now that none of the drivers use CONFIG_MTD_PARTITIONS we can remove it from Kconfig and the last remaining uses. Signed-off-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2011-05-25mtd: always build partitioning supportJamie Iles1-10/+2
There are very few situations where MTD partitioning is not required, and the benefit in code size reduction by making this configurable does not warrant the level of ifdeffery needed. Artem: this patch is not final - we just make sure that mtd partitions are always compiled in, and at the end of the series we'll kill MTD_PARTITIONS altogether. Signed-off-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2011-05-20ARM: 6906/1: MTD: Remove integrator-flashMarc Zyngier1-2/+1
As there is now no in-tree user of integrator-flash, remove it completely. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Acked-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-03-25mtdswap: kill strict error handling optionYang Ruirui1-8/+0
As Artem Bityutskiy suggested: this option is controversial, as we do not really have any prove it is useful. And it is too much to have it as a config parameter. So, better kill it and let the real mtdswap users decide whether it is needed or not. Signed-off-by: Yang Ruirui<ruirui.r.yang@tieto.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
2011-03-11mtd: Add mtdswap block driverJarkko Lavinen1-0/+18
Add a driver for allowing an mtd device to be used as a block device for swapping. The block device is volatile, and the mapping of swapped pages is not stored on flash. Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com> Tested-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2011-03-11mtd: drop MTD_CONCAT from Kconfig entirelyDmitry Eremin-Solenikov1-9/+0
As there are no more dependencies on MTD_CONCAT or CONFIG_MTD_CONCAT, drop this entry from Kconfig entirely. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2011-03-11mtd: make MTD_CONCAT support mandatoryDmitry Eremin-Solenikov1-1/+2
Move mtdconcat to be an integral part of the mtd core. It's a tiny bit of code, which bears 'say Y if you don't know what to do' note in the Kconfig. OTOH there are several ugly ifdefs depending on the MTD_CONCAT. So, making MTD_CONCAT support mandatory will allow us to clean up code a lot. Kconfig entry is changed to be a bool defaulting to Y, so all code pieces depending on it, will have MTD_CONCAT Kconfig symbol and CONFIG_MTD_CONCAT define. This will be removed in one of next patches. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-12-03mtd: Fix MTD_OF_PARTS for all arch and minor tidy of MTD_PARTITIONSGrant Likely1-8/+11
MTD_OF_PARTS should be possible on all architectures, not just powerpc and microblaze, and it probably should not be a user selectable option. Neither does it need to be in a separate module. Also, rework MTD Kconfig to group options dependant on MTD_PARTITIONS into a if/endif block. Do the same for MTD_REDBOOT_PARTS. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-08-06mtd: update description on sm_ftlMaxim Levitsky1-4/+7
I think that scary description can go now... Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-08-02mtd: remove redundant dependency checks in Kconfig filesKyle Spaans1-1/+0
Look for dependency checks for "FOO" when inside of an "if FOO" block and remove them. Signed-off-by: Kyle Spaans <kspaans@uwaterloo.ca> Reviewed-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-03-26mtd: sm_ftl: remove CONFIG_SM_FTL_MUSEUM and make it always onMaxim Levitsky1-9/+0
The sole purpose of this setting was to avoid a dependency on MTD_NAND. Now that we can depend on MTD_NAND_ECC without pulling in all the rest of the NAND code, we might as well do so unconditionally. Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-03-26mtd: nand: split out ECC moduleMaxim Levitsky1-1/+2
This way drivers could use ecc routines without depedency on whole nand Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-03-08mtd: Make SM_FTL depend on MTD_NANDDavid Woodhouse1-5/+5
Randy Dunlap observed a build problem with the following config: CONFIG_SM_FTL=y CONFIG_SM_FTL_MUSEUM=y CONFIG_MTD_NAND=m The ECC calculation routines are then built as a module, but referenced by the sm_ftl code in the kernel, resulting in a build failure. The simple fix is to make CONFIG_SM_FTL depend on MTD_NAND unconditionally -- it's pointless without hardware support anyway. Fix some typos which Randy pointed out, too. Reported-By: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-02-26mtd: Add new SmartMedia/xD FTLMaxim Levitsky1-0/+21
This implements new readwrite SmartMedia/xd FTL. mtd driver must have support proper ECC and badblock verification based on oob parts for 512 bytes nand. Also mtd driver must define read_oob and write_oob, which are used to read and write both data and oob together. Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-09-24Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds1-1/+1
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (24 commits) microblaze: Disable heartbeat/enable emaclite in defconfigs microblaze: Support simpleImage.dts make target microblaze: Fix _start symbol to physical address microblaze: Use LOAD_OFFSET macro to get correct LMA for all sections microblaze: Create the LOAD_OFFSET macro used to compute VMA vs LMA offsets microblaze: Copy ppc asm-compat.h for clean handling of constants in asm and C microblaze: Actually show KiB rather than pages in "Freeing initrd memory:" microblaze: Support ptrace syscall tracing. microblaze: Updated CPU version and FPGA family codes in PVR microblaze: Generate correct signal and siginfo for integer div-by-zero microblaze: Don't be noisy when userspace causes hardware exceptions microblaze: Remove ipc.h file which points to non-existing asm-generic file microblaze: Clear sticky FSR register after generating exception signals microblaze: Ensure CPU usermode is set on new userspace processes microblaze: Use correct kbuild variable KBUILD_CFLAGS microblaze: Save and restore msr in hw exception microblaze: Add architectural support for USB EHCI host controllers microblaze: Implement include/asm/syscall.h. microblaze: Improve checking mechanism for MSR instruction microblaze: Add checking mechanism for MSR instruction ...
2009-09-21mtd: Enable Open Firmware initialisation of MTD devices and maps for MicroBlazeJohn Williams1-1/+1
Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-09-19mtd: fix order of TEST/PARTITIONS kconfig optionsMike Frysinger1-8/+8
The MTD_TEST config option was added in between the MTD_PARTITIONS config and its dependent options which causes the resulting menu system to display incorrectly as MTD_TEST does not depend on MTD_PARTITIONS. So move it up a few lines where it won't cause a problem. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-06-12trivial: mtd: fix Kconfig comment about 'armflash'Paulius Zaleckas1-1/+2
The real 'armflash' map driver is selected by CONFIG_MTD_ARM_INTEGRATOR Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-01-05Merge branch 'master' of git://git.infradead.org/users/dedekind/mtd-tests-2.6David Woodhouse1-0/+8
Conflicts: drivers/mtd/Makefile
2009-01-05[MTD] LPDDR Makefile and KConfigAlexey Korolev1-0/+2
We have two components to manage LPDDR flash memories in Linux. 1. It is a driver for chip probing and reading its capabilities 2. It is a device operations driver. Signed-off-by: Alexey Korolev <akorolev@infradead.org> Acked-by: Jared Hulbert <jaredeh@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2008-12-10MTD: add MTD tests to compilationArtem Bityutskiy1-0/+8
Add MTD tests to Kconfig and Makefiles. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
2008-08-01[MTD] dataflash OTP supportDavid Brownell1-0/+5
Now that we can tell when we have one of the newer DataFlash chips, optionally expose the 128 bytes of OTP memory they provide. Tested on at45db642 revision B and D chips. Switch mtdchar over to a generic HAVE_MTD_OTP flag instead of adding another #ifdef for each type of chip whose driver has OTP support. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Bryan Wu <cooloney@kernel.org> Cc: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2008-06-04MTD/JFFS2: remove CVS keywordsAdrian Bunk1-2/+0
Once upon a time, the MTD repository was using CVS. This patch therefore removes all usages of the no longer updated CVS keywords from the MTD code. This also includes code that printed them to the user. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2008-04-22[MTD] AR7 mtd partition mapMatteo Croce1-0/+6
Signed-off-by: Matteo Croce <technoboy85@gmail.com> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Eugene Konev <ejka@imfi.kspu.ru> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2008-02-03[MTD] Factor out OF partition support from the NOR driver.Scott Wood1-0/+8
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2007-12-03[MTD] mtdoops: Document usage in KconfigPeter Korsgaard1-0/+3
Add usage instructions to Kconfig for mtdoops driver. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2007-06-28[MTD] oops and panic message logging to MTD deviceRichard Purdie1-0/+8
Kernel oops and panic messages are invaluable when debugging crashes. These messages often don't make it to flash based logging methods (say a syslog on jffs2) due to the overheads involved in writing to flash. This patch allows you to turn an MTD partition into a circular log buffer where kernel oops and panic messages are written to. The messages are obtained by registering a console driver and checking oops_in_progress. Erases are performed in advance to maximise the chances of a saving messages. To activate it, add console=ttyMTDx to the kernel commandline (where x is the mtd device number to use). Signed-off-by: Richard Purdie <rpurdie@openedhand.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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