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path: root/drivers/mtd/nand/lpc32xx_slc.c (follow)
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2013-08-30mtd: nand: use dev_get_platdata()Jingoo Han1-1/+1
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>
2013-08-05mtd: nand: lpc32xx: remove unnecessary platform_set_drvdata()Jingoo Han1-2/+0
The driver core clears the driver data to NULL after device_release or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d (device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Tested-by: Roland Stigge <stigge@antcom.de> Acked-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-01-25mtd: Convert to devm_ioremap_resource()Thierry Reding1-5/+3
Convert all uses of devm_request_and_ioremap() to the newly introduced devm_ioremap_resource() which provides more consistent error handling. devm_ioremap_resource() provides its own error messages so all explicit error messages can be removed from the failure code paths. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-22mtd: remove use of __devexitBill Pemberton1-1/+1
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>
2012-11-22mtd: remove use of __devinitBill Pemberton1-1/+1
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>
2012-11-22mtd: remove use of __devexit_pBill Pemberton1-1/+1
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>
2012-09-29mtd: lpc32xx_slc: Cleanup after DT-only conversionRoland Stigge1-31/+21
The LPC32xx's DT-only conversion of the SLC NAND driver makes NAND config via platform_data obsolete. Dropped by this patch. Further, the driver really needs CONFIG_OF, which is already reflected by the dependency on ARCH_LPC32XX which depends on CONFIG_OF. So also dropping CONFIG_OF ifdefs. There is still platform_data necessary to supply the dma_filter callback for the dma engine. This is a completely different data structure than the old platform_data for NAND config, so renaming some old "pdata" variable to "ncfg" to prevent confusion with the new platform data. Signed-off-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-09-29mtd: kill MTD_NAND_VERIFY_WRITEHuang Shijie1-19/+0
Just as Artem suggested: "Both UBI and JFFS2 are able to read verify what they wrote already. There are also MTD tests which do this verification. So I think there is no reason to keep this in the NAND layer, let alone wasting RAM in the driver to support this feature. Besides, it does not work for sub-pages and many drivers have it broken. It hurts more than it provides benefits." So kill MTD_NAND_VERIFY_WRITE entirely. Signed-off-by: Huang Shijie <shijie8@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-09-29mtd: lpc32xx_slc: Make driver independent of AMBA DMA engine driverRoland Stigge1-2/+11
This patch makes the SLC NAND driver independent of the single AMBA DMA engine driver by using the platform data provided dma_filter callback. Signed-off-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-13mtd: lpc32xx_slc: Adjust to pl08x DMA interface changesRoland Stigge1-12/+1
This patch adjusts the LPC32xx SLC NAND driver to the new pl08x DMA interface, fixing the compile error resulting from changed pl08x structures. Signed-off-by: Roland Stigge <stigge@antcom.de> Acked-By: Alexandre Pereira da Silva <aletes.xgr@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-06mtd: lpc32xx_slc: Make probe() return -EPROBE_DEFER if necessaryRoland Stigge1-0/+2
Via of_get_named_gpio(), wp_gpio can become -EPROBE_DEFER which now makes probe() return -EPROBE_DEFER as well to wait until the gpio controller is probed before trying to probe lpc32xx_slc again. Signed-off-by: Roland Stigge <stigge@antcom.de> Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-06mtd: lpc32xx_slc: Use of_get_named_gpio()Roland Stigge1-1/+1
This patch makes the lpc32xx_slc driver use of_get_named_gpio() instead of of_get_named_gpio_flags() whose flags are discarded anyway. Signed-off-by: Roland Stigge <stigge@antcom.de> Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-06mtd: lpc32xx_slc: Make wp gpio optionalAlexandre Pereira da Silva1-4/+7
This patch supports missing wp gpio. Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com> Signed-off-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
2012-07-06mtd: add LPC32xx SLC NAND driverRoland Stigge1-0/+1065
This patch adds support for the SLC NAND controller inside the LPC32xx SoC. [dwmw2: 21st century pedantry] Signed-off-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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