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authorMark Brown <broonie@linaro.org>2014-08-27 16:09:12 +0400
committerMark Brown <broonie@kernel.org>2014-08-31 16:22:37 +0400
commit5c1ebe7f73f9166893c3459915db8a09d6d1d715 (patch)
tree9d2cffcc3a4f61b2bd5b3189588fa355917a40e3 /drivers/base/regmap/regcache.c
parent7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9 (diff)
downloadlinux-5c1ebe7f73f9166893c3459915db8a09d6d1d715.tar.xz
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 <jarkko.nikula@linux.intel.com> Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Mark Brown <broonie@linaro.org> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/base/regmap/regcache.c')
-rw-r--r--drivers/base/regmap/regcache.c2
1 files changed, 1 insertions, 1 deletions
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