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path: root/drivers/mtd
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2015-12-18mtd: nand: sharpsl: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-9/+13
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: sh_flctl: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-4/+4
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: r852: use the mtd instance embedded in struct nand_chipBoris BREZILLON2-20/+15
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: pxa3xx: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-16/+17
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: plat: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-7/+8
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: pasemi: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-7/+5
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: orion: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-2/+2
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: omap2: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-7/+7
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: nuc900: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-8/+8
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: ndfc: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-11/+13
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: nandsim: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-6/+6
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: mxc: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-3/+2
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: mpc5121: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-2/+1
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: lpc32xx: use the mtd instance embedded in struct nand_chipBoris BREZILLON2-8/+6
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: jz4740: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-5/+4
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: hisi504: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-7/+6
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: gpmi: use the mtd instance embedded in struct nand_chipBoris BREZILLON3-14/+12
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: gpio: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-9/+12
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: fsmc: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-12/+10
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: fsl_upm: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-13/+16
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: fsl_ifc: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-12/+16
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: fsl_elbc: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-11/+15
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: docg4: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-11/+12
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: diskonchip: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-7/+7
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: davinci: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-14/+16
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: cmx270: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-9/+5
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> [Brian: dropped a defunct comment] Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: cs553x: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-9/+8
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: cafe: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-5/+5
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: brcm: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-7/+6
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: bf5xx: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-6/+6
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: au1550nd: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-8/+11
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: atmel: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-6/+7
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: ams-delta: use the mtd instance embedded in struct nand_chipBoris BREZILLON1-8/+5
struct nand_chip now embeds an mtd device. Make use of this mtd instance instead of allocating our own. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: omap2: create and use mtd_to_omap()Boris BREZILLON1-34/+21
Define and use mtd_to_omap() instead of container_of(); Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: nuc900: create and use mtd_to_nuc900()Boris BREZILLON1-15/+10
Create and use mtd_to_nuc900() instead of direct container_of() calls. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: nand: fsmc: create and use mtd_to_fsmc()Boris BREZILLON1-17/+14
Create and use mtd_to_fsmc() to avoid duplication of container_of(mtd, struct fsmc_nand_data, mtd) calls. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-18mtd: omap_elm: print interrupt resource using %prArnd Bergmann1-1/+1
When CONFIG_LPAE is set on ARM, resource_size_t is 64-bit wide and we get a warning about an incorrect format string for printing the interrupt number in elm_probe: drivers/mtd/nand/omap_elm.c: In function 'elm_probe': drivers/mtd/nand/omap_elm.c:417:23: warning: format '%i' expects argument of type 'int', but argument 3 has type 'resource_size_t {aka long long unsigned int}' [-Wformat=] This patch avoids the type mismatch by printing the interrupt as a resource using the %pr format string. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-17mtd: ubi: don't leak e if schedule_erase() failsSebastian Siewior1-0/+1
If __erase_worker() fails to erase the EB and schedule_erase() fails as well to do anything about it then we go RO. But that is not a reason to leak the e argument here. Therefore clean up e. Cc: <stable@vger.kernel.org> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Richard Weinberger <richard@nod.at>
2015-12-17mtd: ubi: fixup error correction in do_sync_erase()Sebastian Siewior1-24/+28
Since fastmap we gained do_sync_erase(). This function can return an error and its error handling isn't obvious. First the memory allocation for struct ubi_work can fail and as such struct ubi_wl_entry is leaked. However if the memory allocation succeeds then the tail function takes care of the struct ubi_wl_entry. A free here could result in a double free. To make the error handling simpler, I split the tail function into one piece which does the work and another which frees the struct ubi_work which is passed as argument. As result do_sync_erase() can keep the struct on stack and we get rid of one error source. Cc: <stable@vger.kernel.org> Fixes: 8199b901a ("UBI: Add fastmap support to the WL sub-system") Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Richard Weinberger <richard@nod.at>
2015-12-17UBI: fix use of "VID" vs. "EC" in header self-checkBrian Norris1-1/+1
Looks like a typo, using UBI_EC_HDR_SIZE_CRC (note the "EC") to compute the CRC for the VID header. This shouldn't cause any functional change, as both structures are 64 bytes. Verified with: BUILD_BUG_ON(UBI_VID_HDR_SIZE_CRC != UBI_EC_HDR_SIZE_CRC); Reported here: http://lists.infradead.org/pipermail/linux-mtd/2013-September/048570.html Reported by: Bill Pringlemeir <bpringlemeir@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2015-12-17UBI: fix return error codeSudip Mukherjee1-1/+1
We are checking dfs_rootdir for error value or NULL. But in the conditional ternary operator we returned -ENODEV if dfs_rootdir contains an error value and returned PTR_ERR(dfs_rootdir) if dfs_rootdir is NULL. So in the case of dfs_rootdir being NULL we actually assigned 0 to err and returned it to the caller implying a success. Lets return -ENODEV when dfs_rootdir is NULL else return PTR_ERR(dfs_rootdir). Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Richard Weinberger <richard@nod.at>
2015-12-14mtd: bcm47xxnflash: really unregister NAND on device removalBrian Norris1-3/+4
The field bcma_nflash::mtd is never set to be non-zero anywhere, but we test for it in the removal path. So the MTD is never unregistered. Also, we should use nand_release(), not mtd_device_unregister(). Finally, we don't need to use the 'platdata' for stashing/retrieving our *driver* data -- that's what *_{get,set}_drvdata() are for. So, kill off bcm_nflash::mtd, and stash the struct bcm47xxnflash in drvdata instead. Also move the forward declaration of mtd_info up a bit, since struct bcma_sflash should be using it. Caught while inspecting other changes being made to this driver. Compile tested only. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Cc: "Rafał Miłecki" <zajec5@gmail.com> Cc: linux-wireless@vger.kernel.org Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2015-12-11mtd: nand: denali: add missing nand_release() call in denali_remove()Boris BREZILLON1-2/+9
Unregister the NAND device from the NAND subsystem when removing a denali NAND controller, otherwise the MTD attached to the NAND device is still exposed by the MTD layer, and accesses to this device will likely crash the system. Fixes: 2a0a288ec258 ("mtd: denali: split the generic driver and PCI layer") Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-11mtd: brcmnand: defer to devm_ioremap_resource() for error checkingBrian Norris1-3/+0
devm_ioremap_resource() does error checking on the 'res' argument, so drop the error check in bcm6368_nand.c. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Tested-by: Simon Arlott <simon@fire.lp0.eu>
2015-12-10mtd: brcmnand: Add support for the BCM6368Simon Arlott2-0/+146
The BCM6368 has a NAND interrupt register with combined status and enable registers. As the BCM6328, BCM6362 and BCM6368 all use v2.1 controllers, the first variant that will work with this driver is the BCM63268 using a v4.0 controller. Set up the device by disabling and acking all interrupts, then handle the CTRL_READY interrupt. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-10mtd: brcmnand: Request and enable the clock if presentSimon Arlott1-14/+50
Attempt to enable a clock named "nand" as some SoCs have a clock for the controller that needs to be enabled. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-10mtd: nand: Confine MTD_NAND_SH_FLCTL to SUPERHGeert Uytterhoeven1-1/+1
As of commit a521422ea4ae6128 ("ARM: shmobile: mackerel: Remove Legacy C board code"), the Renesas SuperH FLCTL driver is no longer used on ARM SH-Mobile SoCs. Restrict the dependencies, unless compile-testing. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-12-10mtd: spi-nor: Check the return value from read_sr()Fabio Estevam1-2/+8
We should better check the return value from read_sr() 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>
2015-12-10mtd: partitions: support a cleanup callback for parsersBrian Norris3-4/+36
If partition parsers need to clean up their resources, we shouldn't assume that all memory will fit in a single kmalloc() that the caller can kfree(). We should allow the parser to provide a proper cleanup routine. Note that this means we need to keep a hold on the parser's module for a bit longer, and release it later with mtd_part_parser_put(). Alongside this, define a default callback that we'll automatically use if the parser doesn't provide one, so we can still retain the old behavior. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2015-12-09mtd: partitions: pass around 'mtd_partitions' wrapper structBrian Norris3-22/+31
For some of the core partitioning code, it helps to keep info about the parsed partition (and who parsed them) together in one place. Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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