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1a30871fe6
linux_dsm_epyc7002/drivers/mtd
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Artem Bityutskiy 1a30871fe6 mtd: fix MTD suspend 
Commits 3fe4bae884 and
079c985e7a broke MTD suspend in 2 ways:

1. When the '->suspend' method is not present, we return -EOPNOTSUPP, but
   the callers of 'mtd_suspend()' expects 0 instead.
2. Checking of the 'mtd' parameter against NULL has been incorrectly removed
   in 'mtd_cls_suspend()'.

This patch fixes the breakages. This has been found, analyzed, reported
and tested by Rafael J. Wysocki <rjw@sisk.pl>.

Note, this patch is not needed in the stable tree because it causes a
regression introduced during the v3.3 merge window.

Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-01-30 14:23:07 +00:00
..
chips mtd: introduce mtd_write interface 2012-01-09 18:25:20 +00:00
devices MTD pull for 3.3 2012-01-10 13:45:22 -08:00
lpddr mtd: lpddr: drop unnecessary zeroing 2012-01-09 18:24:48 +00:00
maps mtd: do not use mtd->suspend and mtd->resume directly 2012-01-09 18:26:23 +00:00
nand mtd: gpmi-nand bugfix: reset the BCH module when it is not MX23 2012-01-11 09:52:46 +00:00
onenand mtd: onenand: kill unused variable 2012-01-09 18:25:58 +00:00
tests mtd: introduce mtd_can_have_bb helper 2012-01-09 18:26:24 +00:00
ubi mtd: introduce mtd_can_have_bb helper 2012-01-09 18:26:24 +00:00
afs.c mtd: introduce mtd_read interface 2012-01-09 18:25:19 +00:00
ar7part.c mtd: introduce mtd_read interface 2012-01-09 18:25:19 +00:00
bcm63xxpart.c mtd: introduce mtd_read interface 2012-01-09 18:25:19 +00:00
cmdlinepart.c Merge git://git.infradead.org/mtd-2.6 2011-11-07 09:11:16 -08:00
ftl.c mtd: do not use mtd->sync directly 2012-01-09 18:26:21 +00:00
inftlcore.c mtd: introduce mtd_write_oob interface 2012-01-09 18:25:24 +00:00
inftlmount.c mtd: introduce mtd_block_markbad interface 2012-01-09 18:25:48 +00:00
Kconfig mtd: maps: bcm963xx-flash: make CFE partition parsing an mtd parser 2012-01-09 18:15:31 +00:00
Makefile mtd: maps: bcm963xx-flash: make CFE partition parsing an mtd parser 2012-01-09 18:15:31 +00:00
mtd_blkdevs.c mtd: mtd_blkdevs: don't increase 'open' count on error path 2012-01-09 18:04:01 +00:00
mtdblock_ro.c mtd: introduce mtd_write interface 2012-01-09 18:25:20 +00:00
mtdblock.c mtd: do not use mtd->sync directly 2012-01-09 18:26:21 +00:00
mtdchar.c mtd: do not use mtd->block_markbad directly 2012-01-09 18:26:26 +00:00
mtdconcat.c mtd: do not use mtd->block_markbad directly 2012-01-09 18:26:26 +00:00
mtdcore.c mtd: fix MTD suspend 2012-01-30 14:23:07 +00:00
mtdcore.h mtd: hide parse_mtd_partitions 2011-09-11 15:02:13 +03:00
mtdoops.c mtd: do not use mtd->block_markbad directly 2012-01-09 18:26:26 +00:00
mtdpart.c mtd: introduce mtd_block_markbad interface 2012-01-09 18:25:48 +00:00
mtdsuper.c Merge git://git.infradead.org/mtd-2.6 2011-11-07 09:11:16 -08:00
mtdswap.c mtd: do not use mtd->block_markbad directly 2012-01-09 18:26:26 +00:00
nftlcore.c mtd: introduce mtd_can_have_bb helper 2012-01-09 18:26:24 +00:00
nftlmount.c mtd: introduce mtd_block_markbad interface 2012-01-09 18:25:48 +00:00
ofpart.c mtd: ofpart: add ofoldpart alias 2011-09-11 15:02:14 +03:00
redboot.c mtd: introduce mtd_can_have_bb helper 2012-01-09 18:26:24 +00:00
rfd_ftl.c mtd: do not use mtd->sync directly 2012-01-09 18:26:21 +00:00
sm_ftl.c mtd: introduce mtd_has_oob helper 2012-01-09 18:26:08 +00:00
sm_ftl.h mtd: sm_ftl: cosmetic, use bool when possible 2010-10-25 01:33:08 +01:00
ssfdc.c mtd: introduce mtd_block_isbad interface 2012-01-09 18:25:47 +00:00