From: Mark Brown Date: Wed, 27 Aug 2014 12:09:12 +0000 (+0100) Subject: regmap: Don't attempt block writes when syncing cache on single_rw devices X-Git-Tag: v3.17-rc4~26^2^2 X-Git-Url: https://git.kernelconcepts.de/?a=commitdiff_plain;h=5c1ebe7f73f9166893c3459915db8a09d6d1d715;p=karo-tx-linux.git regmap: Don't attempt block writes when syncing cache on single_rw devices If the device can't support block writes then don't attempt to use raw syncing which will automatically generate block writes for adjacent registers, use the existing _single() block syncing implementation. Reported-by: Jarkko Nikula Tested-by: Jarkko Nikula Signed-off-by: Mark Brown Cc: stable@vger.kernel.org --- diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 29b4128da0b0..5617da6dc898 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -698,7 +698,7 @@ int regcache_sync_block(struct regmap *map, void *block, unsigned int block_base, unsigned int start, unsigned int end) { - if (regmap_can_raw_write(map)) + if (regmap_can_raw_write(map) && !map->use_single_rw) return regcache_sync_block_raw(map, block, cache_present, block_base, start, end); else