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Diffstat (limited to 'drivers/base/regmap/regmap.c')
-rw-r--r--drivers/base/regmap/regmap.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 51fa7d66a393..e964d068874d 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1474,6 +1474,12 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg,
ret = map->bus->write(map->bus_context, buf, len);
kfree(buf);
+ } else if (ret != 0 && !map->cache_bypass && map->format.parse_val) {
+ /* regcache_drop_region() takes lock that we already have,
+ * thus call map->cache_ops->drop() directly
+ */
+ if (map->cache_ops && map->cache_ops->drop)
+ map->cache_ops->drop(map, reg, reg + 1);
}
trace_regmap_hw_write_done(map, reg, val_len / map->format.val_bytes);
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