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* mtd: silence some uninitialized variable warningsDan Carpenter2016-07-091-2/+2
| | | | | | | | | The "tmp_retlen" variable can be uninitialized if action() fails. It's harmless except for the static checker warning. I have moved the error handling earlier to fix it. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: onenand: switch to mtd_ooblayout_opsBoris Brezillon2016-05-051-65/+97
| | | | | | | | Implementing the mtd_ooblayout_ops interface is the new way of exposing ECC/OOB layout to MTD users. Modify the onenand drivers to switch to this approach. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
* mtd: onenand: use mtd_set_ecclayout() where appropriateBoris Brezillon2016-04-191-1/+1
| | | | | | | Use the mtd_set_ecclayout() helper instead of directly assigning the mtd->ecclayout field. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
* mtd: onenand: use mtd_ooblayout_xxx() helpers where appropriateBoris Brezillon2016-04-191-60/+15
| | | | | | | | | The mtd_ooblayout_xxx() helper functions have been added to avoid direct accesses to the ecclayout field, and thus ease for future reworks. Use these helpers in all places where the oobfree[] and eccpos[] arrays where directly accessed. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
* Merge tag 'for-linus-20160324' of git://git.infradead.org/linux-mtdLinus Torvalds2016-03-242-27/+10
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MTD updates from Brian Norris: "NAND: - Add sunxi_nand randomizer support - begin refactoring NAND ecclayout structs - fix pxa3xx_nand dmaengine usage - brcmnand: fix support for v7.1 controller - add Qualcomm NAND controller driver SPI NOR: - add new ls1021a, ls2080a support to Freescale QuadSPI - add new flash ID entries - support bottom-block protection for Winbond flash - support Status Register Write Protect - remove broken QPI support for Micron SPI flash JFFS2: - improve post-mount CRC scan efficiency General: - refactor bcm63xxpart parser, to later extend for NAND - add writebuf size parameter to mtdram Other minor code quality improvements" * tag 'for-linus-20160324' of git://git.infradead.org/linux-mtd: (72 commits) mtd: nand: remove kerneldoc for removed function parameter mtd: nand: Qualcomm NAND controller driver dt/bindings: qcom_nandc: Add DT bindings mtd: nand: don't select chip in nand_chip's block_bad op mtd: spi-nor: support lock/unlock for a few Winbond chips mtd: spi-nor: add TB (Top/Bottom) protect support mtd: spi-nor: add SPI_NOR_HAS_LOCK flag mtd: spi-nor: use BIT() for flash_info flags mtd: spi-nor: disallow further writes to SR if WP# is low mtd: spi-nor: make lock/unlock bounds checks more obvious and robust mtd: spi-nor: silently drop lock/unlock for already locked/unlocked region mtd: spi-nor: wait for SR_WIP to clear on initial unlock mtd: nand: simplify nand_bch_init() usage mtd: mtdswap: remove useless if (!mtd->ecclayout) test mtd: create an mtd_oobavail() helper and make use of it mtd: kill the ecclayout->oobavail field mtd: nand: check status before reporting timeout mtd: bcm63xxpart: give width specifier an 'int', not 'size_t' mtd: mtdram: Add parameter for setting writebuf size mtd: nand: pxa3xx_nand: kill unused field 'drcmr_cmd' ...
| * mtd: create an mtd_oobavail() helper and make use of itBoris BREZILLON2016-03-071-16/+3
| | | | | | | | | | | | | | | | | | | | | | Currently, all MTD drivers/sublayers exposing an OOB area are doing the same kind of test to extract the available OOB size based on the mtd_info and mtd_oob_ops structures. Move this common logic into an inline function and make use of it. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Suggested-by: Priit Laes <plaes@plaes.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
| * mtd: kill the ecclayout->oobavail fieldBoris BREZILLON2016-03-071-9/+7
| | | | | | | | | | | | | | | | | | | | ecclayout->oobavail is just redundant with the mtd->oobavail field. Moreover, it prevents static const definition of ecc layouts since the NAND framework is calculating this value based on the ecclayout->oobfree field. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
| * mtd: onenand: fix deadlock in onenand_block_markbadAaro Koskinen2016-02-241-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | Commit 5942ddbc500d ("mtd: introduce mtd_block_markbad interface") incorrectly changed onenand_block_markbad() to call mtd_block_markbad instead of onenand_chip's block_markbad function. As a result the function will now recurse and deadlock. Fix by reverting the change. Fixes: 5942ddbc500d ("mtd: introduce mtd_block_markbad interface") Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
| * mtd: onenand: unexport onenand_default_bbt()Thomas Petazzoni2016-01-231-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | The onenand_default_bbt() function is only used by the OneNAND core and not by drivers, so there is no real need to export it. Additionally, the corresponding nand_default_bbt() for regular NANDs is not exported either, so for consistency reasons, this commit removes the EXPORT_SYMBOL on onenand_default_bbt(). Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
| * mtd: onenand: make onenand_scan_bbt() staticThomas Petazzoni2016-01-231-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Like was done in commit 17799359e7b3fa6ef4f2bf926cd6821cf7903ecf ("mtd: nand_bbt: make nand_scan_bbt() static") for the NAND code, this commit makes the onenand_scan_bbt() function static in the OneNAND code, since it is only used in onenand_bbt.c itself. Consequently, the EXPORT_SYMBOL() and declaration in bbm.h are also removed. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* | gpio: Include linux/gpio.h instead of asm/gpio.hBjorn Helgaas2016-02-161-1/+1
|/ | | | | | | | | | | | | | | | | | | | | Most arches have an asm/gpio.h that merely includes linux/gpio.h. The others select ARCH_HAVE_CUSTOM_GPIO_H, and when that's selected, linux/gpio.h includes asm/gpio.h. Therefore, code should include linux/gpio.h instead of including asm/gpio.h directly. Remove includes of asm/gpio.h, adding an include of linux/gpio.h when necessary. This is a follow-on to 7563bbf89d06 ("gpiolib/arches: Centralise bolierplate asm/gpio.h"). Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* mtd: drop unnecessary partition parser dataBrian Norris2015-11-111-5/+3
| | | | | | | | | | | | | We should assign the MTD dev.of_node instead of the parser data field. This gets us the equivalent partition parser behavior with fewer special fields and parameter passing. Also convert several of these to mtd_device_register(), since we don't need the 2nd and 3rd parameters anymore. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
* mtd: onenand: omap2: drop owner and name assignmentFrans Klaver2015-10-131-2/+0
| | | | | | | Owner and name are automatically set by mtdcore. Make use of that. Signed-off-by: Frans Klaver <fransklaver@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: onenand: samsung: drop owner assignmentFrans Klaver2015-10-131-1/+0
| | | | | | | Owner is automatically set by mtdcore. Make use of that. Signed-off-by: Frans Klaver <fransklaver@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: onenand: generic: show parent device in sysfsFrans Klaver2015-10-131-2/+1
| | | | | | | | | | Fix a bug where mtd parent device symlinks aren't shown in sysfs. While at it, take advantage of the default owner and name values set by mtdcore. Signed-off-by: Frans Klaver <fransklaver@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* arch, drivers: don't include <asm/io.h> directly, use <linux/io.h> insteadDan Williams2015-08-101-1/+1
| | | | | | | | Preparation for uniform definition of ioremap, ioremap_wc, ioremap_wt, and ioremap_cache, tree-wide. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
* mtd: samsung: Constify platform_device_idKrzysztof Kozlowski2015-05-071-1/+1
| | | | | | | | The platform_device_id is not modified by the driver and core uses it as const. Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: onenand: drop dead codeBrian Norris2015-03-111-9/+3
| | | | | | | | | 'ret' is always zero, so this is all dead code. This should quiet Coverity CID #1226739. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Cc: Kyungmin Park <kyungmin.park@samsung.com>
* mtd: onenand: drop owner assignment from platform_driversWolfram Sang2014-10-202-2/+0
| | | | | | | A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* mtd: onenand: remove s5pc100 related onenand codesKukjin Kim2014-07-132-26/+3
| | | | | | | | | | This patch removes s5pc100 related onenand codes because of no more support for S5PC100 SoC in mainline. Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
* mtd: onenand: fix build warning for dma typeArnd Bergmann2014-05-201-4/+4
| | | | | | | | | | | | | | | | | | The samsung onenand driver passes around a dma address token through a void pointer, which is incorrect and leads to warnings like this one: onenand/samsung.c:548:2: warning: passing argument 1 of '__fswab32' makes integer from pointer without a cast [enabled by default] writel(src, base + S5PC110_DMA_SRC_ADDR); ^ This patch makes it use dma_addr_t here, which is more appropriate. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: Add a retlen parameter to _get_{fact,user}_prot_infoChristian Riesch2014-03-101-18/+12
| | | | | | Signed-off-by: Christian Riesch <christian.riesch@omicron.at> Cc: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: onenand: Remove unnecessary OOM messagesJingoo Han2014-03-102-9/+2
| | | | | | | | The site-specific OOM messages are unnecessary, because they duplicate the MM subsystem generic OOM message. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: delete non-required instances of include <linux/init.h>Paul Gortmaker2014-03-103-3/+0
| | | | | | | | | | | | | | None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. Cc: David Woodhouse <dwmw2@infradead.org> Cc: Brian Norris <computersforpeace@gmail.com> Cc: linux-mtd@lists.infradead.org Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> [Brian: dropped one incorrect hunk] Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: onenand: Trivial cleanup in samsung.hSachin Kamat2014-01-111-2/+0
| | | | | | | | | commit 93115b7fa8f4 ("mtd: onenand/samsung: make regs-onenand.h file local") moved the file to the current location but forgot to remove the pointer to its previous location. Clean it up. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: onenand: fix warning (integer used as pointer)Brian Norris2014-01-071-1/+1
| | | | | | | | | Fixes this sparse warning: CHECK drivers/mtd/onenand/generic.c drivers/mtd/onenand/generic.c:61:62: warning: Using plain integer as NULL pointer Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* tree-wide: use reinit_completion instead of INIT_COMPLETIONWolfram Sang2013-11-151-5/+5
| | | | | | | | | | | | Use this new function to make code more comprehensible, since we are reinitialzing the completion, not initializing. [akpm@linux-foundation.org: linux-next resyncs] Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13) Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mtd: onenand: omap: remove two unused functionsPaul Bolle2013-10-271-22/+0
| | | | | | | | Nothing calls omap2_onenand_rephase(). And __adjust_timing() is only called by omap2_onenand_rephase(). Remove these two unused functions. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: onenand: remove unused variable assignmentsBrian Norris2013-10-271-7/+6
| | | | | | | | | | | | | | These variable assignments are never used (the variables are either never used or are overwritten before use). This resolves some compiler warnings like the following: drivers/mtd/onenand/onenand_base.c: In function 'flexonenand_get_boundary': drivers/mtd/onenand/onenand_base.c:3532:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] drivers/mtd/onenand/onenand_base.c: In function 'onenand_probe': drivers/mtd/onenand/onenand_base.c:3838:6: warning: variable 'maf_id' set but not used [-Wunused-but-set-variable] Signed-off-by: Brian Norris <computersforpeace@gmail.com> Cc: Kyungmin Park <kyungmin.park@samsung.com>
* mtd: onenand: remove redundant offset checkBrian Norris2013-10-271-4/+0
| | | | | | The mtd_block_isbad() interface already checks for this. Signed-off-by: Brian Norris <computersforpeace@gmail.com>
* mtd: onenand: use dev_get_platdata()Jingoo Han2013-08-303-3/+3
| | | | | | | | | Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: remove NAND_BBT_SCANEMPTYBrian Norris2013-08-301-1/+0
| | | | | | | | | | | | | | | | | | NAND_BBT_SCANEMPTY is a strange, badly-supported option with omap as its single remaining user. NAND_BBT_SCANEMPTY was likely used by accident in omap2[1]. And anyway, omap2 doesn't scan the chip for bad blocks (courtesy of NAND_SKIP_BBTSCAN), and so its use of this option is irrelevant. This patch drops the NAND_BBT_SCANEMPTY option. [1] http://lists.infradead.org/pipermail/linux-mtd/2012-July/042902.html Signed-off-by: Brian Norris <computersforpeace@gmail.com> Cc: Ivan Djelic <ivan.djelic@parrot.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: onenand/samsung: Remove redundant platform_set_drvdata()Sachin Kamat2013-08-051-1/+0
| | | | | | | | | | | Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: onenand/omap2: Remove redundant platform_set_drvdata()Sachin Kamat2013-08-051-1/+0
| | | | | | | | | | | Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: onenand/generic: Remove redundant platform_set_drvdata()Sachin Kamat2013-08-051-2/+0
| | | | | | | | | | | Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* Merge tag 'for-linus-20130509' of git://git.infradead.org/linux-mtdLinus Torvalds2013-05-094-587/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MTD update from David Woodhouse: - Lots of cleanups from Artem, including deletion of some obsolete drivers - Support partitions larger than 4GiB in device tree - Support for new SPI chips * tag 'for-linus-20130509' of git://git.infradead.org/linux-mtd: (83 commits) mtd: omap2: Use module_platform_driver() mtd: bf5xx_nand: Use module_platform_driver() mtd: denali_dt: Remove redundant use of of_match_ptr mtd: denali_dt: Change return value to fix smatch warning mtd: denali_dt: Use module_platform_driver() mtd: denali_dt: Fix incorrect error check mtd: nand: subpage write support for hardware based ECC schemes mtd: omap2: use msecs_to_jiffies() mtd: nand_ids: use size macros mtd: nand_ids: improve LEGACY_ID_NAND macro a bit mtd: add 4 Toshiba nand chips for the full-id case mtd: add the support to parse out the full-id nand type mtd: add new fields to nand_flash_dev{} mtd: sh_flctl: Use of_match_ptr() macro mtd: gpio: Use of_match_ptr() macro mtd: gpio: Use devm_kzalloc() mtd: davinci_nand: Use of_match_ptr() mtd: dataflash: Use of_match_ptr() macro mtd: remove h720x flash support mtd: onenand: remove OneNAND simulator ...
| * mtd: omap2: Use module_platform_driver()Sachin Kamat2013-04-051-13/+1
| | | | | | | | | | | | | | | | | | module_platform_driver macro removes some boilerplate and makes the code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| * mtd: onenand: remove OneNAND simulatorArtem Bityutskiy2013-04-053-573/+0
| | | | | | | | | | | | | | | | This commit remove OneNAND simulator on the basis that it is useless. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| * mtd: merge mtdchar module with mtdcoreArtem Bityutskiy2013-04-051-1/+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>
* | mtd: onenand/samsung: make regs-onenand.h file localArnd Bergmann2013-04-192-2/+63
|/ | | | | | | | | | | | Nothing uses the NAND register definitions other than the actual driver, so we can move the header file into the same local directory, which lets us build it in a multiplatform configuration. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: linux-mtd@lists.infradead.org Cc: David Woodhouse <dwmw2@infradead.org>
* mtd: omap-onenand: pass device_node in platform dataEzequiel Garcia2013-02-011-1/+3
| | | | | | | | | | | | | Pass an optional device_node pointer in the platform data, which in turn will be put into a mtd_part_parser_data. This way, code that sets up the platform devices can pass along the node from DT so that the partitions can be parsed. For non-DT boards, this change has no effect. Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
* Merge tag 'for-linus-20121219' of git://git.infradead.org/linux-mtdLinus Torvalds2012-12-193-8/+8
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MTD updates from David Woodhouse: - Various cleanups especially in NAND tests - Add support for NAND flash on BCMA bus - DT support for sh_flctl and denali NAND drivers - Kill obsolete/superceded drivers (fortunet, nomadik_nand) - Fix JFFS2 locking bug in ENOMEM failure path - New SPI flash chips, as usual - Support writing in 'reliable mode' for DiskOnChip G4 - Debugfs support in nandsim * tag 'for-linus-20121219' of git://git.infradead.org/linux-mtd: (96 commits) mtd: nand: typo in nand_id_has_period() comments mtd: nand/gpio: use io{read,write}*_rep accessors mtd: block2mtd: throttle writes by calling balance_dirty_pages_ratelimited. mtd: nand: gpmi: reset BCH earlier, too, to avoid NAND startup problems mtd: nand/docg4: fix and improve read of factory bbt mtd: nand/docg4: reserve bb marker area in ecclayout mtd: nand/docg4: add support for writing in reliable mode mtd: mxc_nand: reorder part_probes to let cmdline override other sources mtd: mxc_nand: fix unbalanced clk_disable() in error path mtd: nandsim: Introduce debugfs infrastructure mtd: physmap_of: error checking to prevent a NULL pointer dereference mtg: docg3: potential divide by zero in doc_write_oob() mtd: bcm47xxnflash: writing support mtd: tests/read: initialize buffer for whole next page mtd: at91: atmel_nand: return bit flips for the PMECC read_page() mtd: fix recovery after failed write-buffer operation in cfi_cmdset_0002.c mtd: nand: onfi need to be probed in 8 bits mode mtd: nand: add NAND_BUSWIDTH_AUTO to autodetect bus width mtd: nand: print flash size during detection mted: nand_wait_ready timeout fix ...
| * mtd: remove use of __devexitBill Pemberton2012-11-223-3/+3
| | | | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * mtd: remove use of __devinitBill Pemberton2012-11-222-2/+2
| | | | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * mtd: remove use of __devexit_pBill Pemberton2012-11-223-3/+3
| | | | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* | Merge tag 'tags/omap-for-v3.8/cleanup-multiplatform-no-clock-signed' of ↵Olof Johansson2012-11-301-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm2 From Tony Lindgren: Remaining patches to allow omap2+ to build with multiplatform enabled. Unfortunately the DMA header patch had to be redone to avoid adding new multiplatform specific include paths, the other patches are just trivial compile fixes. Note that this does not yet contain the necessary Kconfig changes as we are still waiting for some drivers to get fixed up first. * tag 'tags/omap-for-v3.8/cleanup-multiplatform-no-clock-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP: Move plat-omap/dma-omap.h to include/linux/omap-dma.h ASoC: OMAP: mcbsp fixes for enabling ARM multiplatform support watchdog: OMAP: fixup for ARM multiplatform support Conflicts due to surrounding changes in: arch/arm/mach-omap2/omap_hwmod_2420_data.c arch/arm/mach-omap2/omap_hwmod_2430_data.c Signed-off-by: Olof Johansson <olof@lixom.net>
| * | ARM: OMAP: Move plat-omap/dma-omap.h to include/linux/omap-dma.hTony Lindgren2012-11-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on earlier discussions[1] we attempted to find a suitable location for the omap DMA header in commit 2b6c4e73 (ARM: OMAP: DMA: Move plat/dma.h to plat-omap/dma-omap.h) until the conversion to dmaengine is complete. Unfortunately that was before I was able to try to test compile of the ARM multiplatform builds for omap2+, and the end result was not very good. So I'm creating yet another all over the place patch to cut the last dependency for building omap2+ for ARM multiplatform. After this, we have finally removed the driver dependencies to the arch/arm code, except for few drivers that are being worked on. The other option was to make the <plat-omap/dma-omap.h> path to work, but we'd have to add some new header directory to for multiplatform builds. Or we would have to manually include arch/arm/plat-omap/include again from arch/arm/Makefile for omap2+. Neither of these alternatives sound appealing as they will likely lead addition of various other headers exposed to the drivers, which we want to avoid for the multiplatform kernels. Since we already have a minimal include/linux/omap-dma.h, let's just use that instead and add a note to it to not use the custom omap DMA functions any longer where possible. Note that converting omap DMA to dmaengine depends on dmaengine supporting automatically incrementing the FIFO address at the device end, and converting all the remaining legacy drivers. So it's going to be few more merge windows. [1] https://patchwork.kernel.org/patch/1519591/# cc: Russell King <linux@arm.linux.org.uk> cc: Kevin Hilman <khilman@ti.com> cc: "Benoît Cousson" <b-cousson@ti.com> cc: Herbert Xu <herbert@gondor.apana.org.au> cc: "David S. Miller" <davem@davemloft.net> cc: Vinod Koul <vinod.koul@intel.com> cc: Dan Williams <djbw@fb.com> cc: Mauro Carvalho Chehab <mchehab@infradead.org> cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> cc: David Woodhouse <dwmw2@infradead.org> cc: Kyungmin Park <kyungmin.park@samsung.com> cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: Tomi Valkeinen <tomi.valkeinen@ti.com> cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> cc: Hans Verkuil <hans.verkuil@cisco.com> cc: Vaibhav Hiremath <hvaibhav@ti.com> cc: Lokesh Vutla <lokeshvutla@ti.com> cc: Rusty Russell <rusty@rustcorp.com.au> cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> cc: Afzal Mohammed <afzal@ti.com> cc: linux-crypto@vger.kernel.org cc: linux-media@vger.kernel.org cc: linux-mtd@lists.infradead.org cc: linux-usb@vger.kernel.org cc: linux-fbdev@vger.kernel.org Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
* | | Merge tag 'v3.7-rc7' into next/cleanupOlof Johansson2012-11-251-1/+1
|\ \ \ | |/ / |/| / | |/ | | | | | | | | | | | | | | | | | | | | Merging in mainline back to next/cleanup since it has collected a few conflicts between fixes going upstream and some of the cleanup patches. Git doesn't auto-resolve some of them, and they're mostly noise so let's take care of it locally. Conflicts are in: arch/arm/mach-omap2/omap_hwmod_44xx_data.c arch/arm/plat-omap/i2c.c drivers/video/omap2/dss/dss.c Signed-off-by: Olof Johansson <olof@lixom.net>
| * mtd: onenand: Make flexonenand_set_boundary staticSachin Kamat2012-11-091-1/+1
| | | | | | | | | | | | | | | | | | | | Fixes the following sparse warning: drivers/mtd/onenand/onenand_base.c:3697:5: warning: symbol 'flexonenand_set_boundary' was not declared. Should it be static? Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* | ARM: OMAP2+: fix build breakage introduced by commit ↵Paul Walmsley2012-10-261-12/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | b7754452b3e27716347a528b47b0a1083af32520 Commit b7754452b3e27716347a528b47b0a1083af32520 ("mtd: onenand: omap: use pdata info instead of cpu_is") broke an OMAP3+4 build and an N800 multi-OMAP2xxx build here: drivers/built-in.o: In function `omap2_onenand_probe': drivers/mtd/onenand/omap2.c:742: undefined reference to `omap2_onenand_read_bufferram' drivers/mtd/onenand/omap2.c:743: undefined reference to `omap2_onenand_write_bufferram' drivers/mtd/onenand/omap2.c:742: undefined reference to `omap2_onenand_read_bufferram' drivers/mtd/onenand/omap2.c:743: undefined reference to `omap2_onenand_write_bufferram' ... drivers/built-in.o: In function `omap2_onenand_probe': drivers/mtd/onenand/omap2.c:788: undefined reference to `omap3_onenand_read_bufferram' drivers/mtd/onenand/omap2.c:788: undefined reference to `omap3_onenand_write_bufferram' Fix by declaring static functions for the missing symbols, rather than just prototypes. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Afzal Mohammed <afzal@ti.com> Cc: Tony Lindgren <tony@atomide.com>
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