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regmap: Don't attempt block writes when syncing cache on single_rw devices

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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
This commit is contained in:
Mark Brown 2014-08-27 13:09:12 +01:00 committed by Mark Brown
parent 7d1311b93e
commit 5c1ebe7f73
1 changed files with 1 additions and 1 deletions
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2
drivers/base/regmap/regcache.c
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@ -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