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2014-01-03mtd: jz4740_nand: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: fsl_ifc_nand: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: fsl_elbc_nand: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: diskonchip: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: cs553x_nand: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: cmx270_nand: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: cafe_nand: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: bf5xx_nand: Remove unnecessary OOM messagesJingoo Han
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> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: au1550nd: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: sharpsl: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: orion_nand: Remove unnecessary OOM messagesJingoo Han
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>
2014-01-03mtd: atmel_nand: Remove unnecessary OOM messagesJingoo Han
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> Acked-by: Josh Wu <josh.wu@atmel.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: tmio_nand: Use devm_*() functionsJingoo Han
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nuc900_nand: Use devm_*() functionsJingoo Han
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: lpc32xx_slc: Use devm_*() functionsJingoo Han
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: denali_dt: Use devm_clk_get()Jingoo Han
Use devm_clk_get() to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: lantiq-flash: Use devm_kzalloc()Jingoo Han
Use devm_kzalloc() to make cleanup paths simpler. Also, checking return value of devm_kzalloc() is added in order to check if the allocation succeded. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: John Crispin <blogic@openwrt.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: docg3: Use devm_*() functionsJingoo Han
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Consolidate ECC initializationEzequiel Garcia
In order to avoid code duplication, let's consolidate the ECC setting for all SoC variants. Such decision is based on page size and ECC strength requirements. Also, provide a default value for the case where such ECC information is not provided (non-ONFI devices). Tested-by: Arnaud Ebalard <arno@natisbad.org> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Use extended cmdfunc() only if neededEzequiel Garcia
Currently, we have two different cmdfunc's implementations: one for PXA3xx SoC variant and one for Armada 370/XP SoC variant. The former is the legacy one, typically constrained to devices with page sizes smaller or equal to the controller's FIFO buffer. On the other side, the latter _only_ supports the so-called extended command semantics, which allow to handle devices with larger page sizes (4 KiB, 8 KiB, ...). This means we currently don't support devices with smaller pages on the A370/XP SoC. Fix it by first renaming the cmdfuncs variants, and then make the choice based on device page size (and SoC variant), rather than SoC variant alone. While at it, add a check for page size, to make sure we don't allow larger pages sizes on the PXA3xx variant. Tested-by: Arnaud Ebalard <arno@natisbad.org> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Clear need_wait flag when starting a commandEzequiel Garcia
Currently the driver assumes all commands will eventually trigger a RnB transition, and thus a "device is ready" IRQ. This assumption means that on every issued command, the dev_ready completion handler is init'ed and the need_wait flag is set. However this is incorrect: some commands (such as NAND_CMD_STATUS) don't make the device 'busy' and thus a RnB transition never occurs. Given, the NAND core never calls waitfunc() after such commands, this is not a problem. Therefore, it's possible to only clear the need_wait flag on every command that is started. This fixes a current bug that can be reproduced on PXA boards by writing blank (all 0xff'ed) to a page: 1. The kernel issues NAND_CMD_STATUS and sets need_wait=1. The flag won't be cleared for this command since no RnB transition is involved. 2. NAND_CMD_PAGEPROG is issued but since the data is blank, the driver decides not to execute the command (and no IRQ activity is involved). 3. The NAND core calls waitfunc() and waits for the dev_ready completion, which will never end since the device _is_ already ready. Tested-by: Arnaud Ebalard <arno@natisbad.org> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: denali: Mark function is_erased() as staticRashika Kheria
This patch marks the function is_erased() as static in denali.c because it is not used outside this file. This patch elimiates the following warning in nand/denali.c: drivers/mtd/nand/denali.c:900:6: warning: no previous prototype for ‘is_erased’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: lpddr: Mark functions as static and remove unused functionRashika Kheria
This patch marks the functions do_write_buffer() and do_erase_oneblock() as static because because they are not used outside this file. It also removes the unused function word_program() in lpddr/lpddr_cmds.c. Thus, it also removes the following warnings in lpddr/lpddr_cmds.c: drivers/mtd/lpddr/lpddr_cmds.c:391:5: warning: no previous prototype for ‘do_write_buffer’ [-Wmissing-prototypes] drivers/mtd/lpddr/lpddr_cmds.c:472:5: warning: no previous prototype for ‘do_erase_oneblock’ [-Wmissing-prototypes] drivers/mtd/lpddr/lpddr_cmds.c:751:5: warning: no previous prototype for ‘word_program’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: lpc32xx_mlc: drop custom write_page callbackBrian Norris
This driver doesn't need its own custom chip->write_page callback; the only "custom" requirement is that this driver does not support subpage writes, which we can avoid using the NAND_NO_SUBPAGE_WRITE flag. With NAND_NO_SUBPAGE_WRITE, the default routine (nand_write_page()) should perform the equivalent operations. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Roland Stigge <stigge@antcom.de> Tested-by: Roland Stigge <stigge@antcom.de>
2014-01-03mtd: nand: davinci: don't request AEMIF address rangeIvan Khoronzhuk
The TI AEMIF driver registers are used to setup timings for each chip select. The same registers range is used to setup NAND settings. The AEMIF and NAND drivers not use the same registers in this range. In case with TI AEMIF driver, the memory address range is requested already by AEMIF, so we cannot request it twice, just ioremap. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Taras Kondratiuk <taras@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: davinci: reuse driver for Keystone archIvan Khoronzhuk
The Keystone arch has compatible nand device, so reuse it. In case with Keystone it depends on TI_AEMIF because AEMIF driver is responsible to set timings. See http://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Taras Kondratiuk <taras@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: davinci: adjust DT properties to MTD genericIvan Khoronzhuk
The properties davinci-ecc-mode, davinci-nand-use-bbt, davinci-nand-buswidth are MTD generic. Correct names for them are: nand-ecc-mode, nand-on-flash-bbt, nand-bus-width accordingly. So rename them in dts and documentation. Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Taras Kondratiuk <taras@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: davinci: extend description of bindingsIvan Khoronzhuk
Extend bindings for davinci_nand driver to be more clear. This is clarification only, without semantic changes. Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Taras Kondratiuk <taras@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: davinci: move bindings under mtdIvan Khoronzhuk
Move bindings under mtd. Do this in order to make davinci-nand driver usable by keystone architecture. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Taras Kondratiuk <taras@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: davinci: simplify error handlingIvan Khoronzhuk
There is not needed to use a lot of names for err handling. It complicates code support and reading. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Taras Kondratiuk <taras@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: davinci: check required ti,davinci-chipselect propertyIvan Khoronzhuk
The property "ti,davinci-chipselect" is required. So we have to check if it is set. Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Taras Kondratiuk <taras@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: davinci: return ENOMEM if memory allocation is failedIvan Khoronzhuk
In case when memory allocation is failed the driver should return ENOMEM instead of ENODEV. Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Taras Kondratiuk <taras@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: davinci: fix driver registrationIvan Khoronzhuk
When kernel is booted using DT, there is no guarantee that Davinci NAND device has been created already at the time when driver init function is executed. Therefore, platform_driver_probe() can't be used because this may result the Davinci NAND driver will never be probed. The driver probing has to be made with core mechanism. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Taras Kondratiuk <taras@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: au1550nd: add missing platform_set_drvdata()Wei Yongjun
Add missing platform_set_drvdata() in au1550nd_probe(), otherwise calling platform_get_drvdata() in remove returns NULL. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: mxc_nand: add missing clk_disable_unprepare() in mxcnd_remove()Wei Yongjun
clock source is prepared and enabled by clk_prepare_enable() in mxcnd_probe() function, but no disable/unprepare in mxcnd_remove(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: sh_flctl: Remove unneeded CONFIG_OFEzequiel Garcia
Since the of_mtd header provides dummy stubs for !CONFIG_OF, it's safe to remove the #ifdef CONFIG_OF. Build tested only. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03MAINTAINERS: mtd: add PXA3xx NAND driver to MAINTAINERSEzequiel Garcia
Add the pxa3xx-nand driver which supports PXA3xx and Armada 370/XP SoC family to MAINTAINERS to ensure I get proper Cc on patches. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03MAINTAINERS: mtd: add Brian Norris for MTD maintenanceBrian Norris
While we're at it, change the git URL to remove the version legacy. It's been a symlink to linux-mtd.git for a while now anyway. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
2014-01-03mtd: denali: remove DEFINE_PCI_DEVICE_TABLE macroJingoo Han
Don't use DEFINE_PCI_DEVICE_TABLE macro, because this macro is not preferred. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: sh_flctl: use devm_* managed allocatorsLaurent Pinchart
This simplifies error and cleanup code paths. Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: sh_flctl: fix warnings due to improper castsLaurent Pinchart
Cast pointers to uintptr_t instead of unsigned int. This fixes warnings on platforms where pointers have a different size than int. Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: sh_flctl: enable driver compilation with COMPILE_TESTLaurent Pinchart
This helps increasing build testing coverage. Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Simon Horman <horms@verge.net.au> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: make register_mtd_parser return voidAxel Lin
register_mtd_parser never fails; hence make it return void. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: make deregister_mtd_parser return voidAxel Lin
deregister_mtd_parser never fails; hence make it return void. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03jffs2: NULL return of kmem_cache_zalloc should be handledZhouyi Zhou
NULL return of kmem_cache_zalloc should be handled in jffs2_alloc_xattr_datum and jff2_alloc_xattr_ref. Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: refactor print messagesEzequiel Garcia
Add a nice "nand:" prefix to all pr_xxx() messages. This allows to get rid of the "NAND" words in messages, given the context is already given by the prefix. Remove the __func__ report from messages where it's not needed and refactor the device detection messages to show itself in several lines. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: tests: mtd_nandecctest: Use IS_ENABLED() macroFabio Estevam
Using the IS_ENABLED() macro can make the code shorter and simpler. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: convert to use ATTRIBUTE_GROUPSAxel Lin
Use new ATTRIBUTE_GROUPS macro to declare attribute groups. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: m25p80: add support for m25px16Igor Grinberg
Add support for Micron m25px16 spi flash chip. Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: mxc_nand: Check the return value from clk_prepare_enable()Fabio Estevam
clk_prepare_enable() may fail, so let's check its return value and propagate it in the case of error. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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