linux/drivers/mtd
Will Deacon fb24ea52f7 drivers: Remove explicit invocations of mmiowb()
mmiowb() is now implied by spin_unlock() on architectures that require
it, so there is no reason to call it from driver code. This patch was
generated using coccinelle:

	@mmiowb@
	@@
	- mmiowb();

and invoked as:

$ for d in drivers include/linux/qed sound; do \
spatch --include-headers --sp-file mmiowb.cocci --dir $d --in-place; done

NOTE: mmiowb() has only ever guaranteed ordering in conjunction with
spin_unlock(). However, pairing each mmiowb() removal in this patch with
the corresponding call to spin_unlock() is not at all trivial, so there
is a small chance that this change may regress any drivers incorrectly
relying on mmiowb() to order MMIO writes between CPUs using lock-free
synchronisation. If you've ended up bisecting to this commit, you can
reintroduce the mmiowb() calls using wmb() instead, which should restore
the old behaviour on all architectures other than some esoteric ia64
systems.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2019-04-08 12:01:02 +01:00
..
chips mtd: cfi: cmdset_0001: Use struct_size() in kmalloc() 2019-01-15 20:49:31 +01:00
devices MTD changes: 2019-03-04 18:59:37 -08:00
lpddr mtd: lpddr: Use struct_size() in kzalloc() 2019-01-15 20:49:33 +01:00
maps Kbuild updates for v4.21 2018-12-29 12:03:17 -08:00
nand drivers: Remove explicit invocations of mmiowb() 2019-04-08 12:01:02 +01:00
parsers mtd: partitions: Add OF support to RedBoot partitions 2018-11-12 11:51:02 +01:00
spi-nor spi: Updates for v5.1 2019-03-04 19:23:56 -08:00
tests mtd: rawnand: Allow selection of ECC byte ordering at runtime 2018-10-03 11:12:25 +02:00
ubi ubi: wl: Silence uninitialized variable warning 2019-03-05 21:21:07 +01:00
afs.c
ar7part.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
bcm47xxpart.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
bcm63xxpart.c
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
Kconfig Char/Misc driver patches for 4.21-rc1 2018-12-28 20:54:57 -08:00
Makefile mtd: Move Redboot partition parser 2018-11-12 11:44:13 +01:00
mtd_blkdevs.c mtd_blkdevs: convert to blk-mq 2018-10-16 08:09:58 -06:00
mtdblock_ro.c
mtdblock.c mtd: change len type from signed to unsigned type 2018-12-03 11:32:26 +01:00
mtdchar.c mtdchar: fix overflows in adjustment of count 2018-07-18 16:46:38 +02:00
mtdconcat.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
mtdcore.c MTD changes: 2019-03-04 18:59:37 -08:00
mtdcore.h mtd: Check add_mtd_device() ret code 2019-01-07 14:06:24 +01:00
mtdoops.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
mtdpart.c mtd: Make sure mtd->erasesize is valid even if the partition is of size 0 2019-02-06 00:02:51 +01:00
mtdsuper.c Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
mtdswap.c mtd: use DEFINE_SHOW_ATTRIBUTE() instead of open-coding it 2018-12-03 11:32:26 +01:00
nftlcore.c mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
nftlmount.c mtd: nftl: clean up indentation, remove extraneous tabs 2018-12-02 09:20:36 +01:00
ofpart.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
rfd_ftl.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
sm_ftl.c mtd: rawnand: Allow selection of ECC byte ordering at runtime 2018-10-03 11:12:25 +02:00
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