| From | Kamal Mostafa <> | Subject | [PATCH 3.13 090/103] regmap: Don't attempt block writes when syncing cache on single_rw devices | Date | Tue, 30 Sep 2014 14:31:35 -0700 |
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3.13.11.8 -stable review patch. If anyone has any objections, please let me know.
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From: Mark Brown <broonie@linaro.org>
commit 5c1ebe7f73f9166893c3459915db8a09d6d1d715 upstream.
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> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/base/regmap/regcache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index d4dd771..154e7a8 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -701,7 +701,7 @@ 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 -- 1.9.1
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