From: Mark Brown <[email protected]>

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]>
Signed-off-by: Mark Brown <[email protected]>
---
 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 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
-- 
2.1.0

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