3.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mark Brown <[email protected]>

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 <[email protected]>
Tested-by: Jarkko Nikula <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/base/regmap/regcache.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -698,7 +698,7 @@ int regcache_sync_block(struct regmap *m
                        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


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