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alistair23-linux/drivers/mtd
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Vignesh R aa7eee8a14 mtd: spi-nor: cadence-quadspi: Fix direct mode write timeouts 
Sometimes when writing large size files to flash in direct/memory mapped
mode, it is seen that flash write enable command times out with error:
[  503.146293] cadence-qspi 47040000.ospi: Flash command execution timed out.

This is because, we need to make sure previous direct write operation
is complete by polling for IDLE bit in CONFIG_REG before starting the
next operation.

Fix this by polling for IDLE bit after memory mapped write.

Fixes: a27f2eaf2b ("mtd: spi-nor: cadence-quadspi: Add support for direct access mode")
Cc: stable@vger.kernel.org
Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
 		2018-07-03 10:01:44 +02:00
..
chips mtd: cfi_cmdset_0002: Avoid walking all chips when unlocking. 2018-06-22 10:29:16 +02:00
devices mtd: dataflash: Use ULL suffix for 64-bit constants 2018-06-22 10:32:28 +02:00
lpddr treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
maps treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
nand mtd: rawnand: denali_dt: set clk_x_rate to 200 MHz unconditionally 2018-06-22 18:47:56 +02:00
parsers treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
spi-nor mtd: spi-nor: cadence-quadspi: Fix direct mode write timeouts 2018-07-03 10:01:44 +02:00
tests treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
ubi treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
Kconfig mtd: Move onenand code base to drivers/mtd/nand/onenand 2018-03-15 15:40:37 +01:00
Makefile mtd: Move onenand code base to drivers/mtd/nand/onenand 2018-03-15 15:40:37 +01:00
afs.c mtd: partitions: make parsers return 'const' partition arrays 2015-12-09 10:21:57 -08:00
ar7part.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
bcm47xxpart.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
bcm63xxpart.c mtd: bcm63xxpart: give width specifier an 'int', not 'size_t' 2016-03-07 13:13:58 -08:00
cmdlinepart.c mtd: cmdlinepart: Update comment for introduction of OFFSET_CONTINUOUS 2018-05-23 10:08:48 +02:00
ftl.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
inftlcore.c mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
inftlmount.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
mtd_blkdevs.c mtd_blkdevs: handle highmem pages 2018-05-11 15:07:58 -06:00
mtdblock.c mtd: Unconditionally update ->fail_addr and ->addr in part_erase() 2018-03-15 18:22:26 +01:00
mtdblock_ro.c mtd: Move major number definitions to major.h 2013-11-06 23:32:59 -08:00
mtdchar.c MTD changes: 2018-04-06 12:15:41 -07:00
mtdconcat.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
mtdcore.c MTD changes: 2018-06-08 10:39:20 -07:00
mtdcore.h mtd: move code adding (registering) partitions to the parse_mtd_partitions() 2018-05-07 10:10:47 +02:00
mtdoops.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
mtdpart.c mtd: move code adding (registering) partitions to the parse_mtd_partitions() 2018-05-07 10:10:47 +02:00
mtdsuper.c Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
mtdswap.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
nftlcore.c mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
nftlmount.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
ofpart.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
redboot.c mtd: partitions: make parsers return 'const' partition arrays 2015-12-09 10:21:57 -08:00
rfd_ftl.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
sm_ftl.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
sm_ftl.h mtd: Stop assuming mtd_erase() is asynchronous 2018-03-15 18:21:07 +01:00
ssfdc.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00