regmap: cache: Silence checkpatch warning

checkpatch.pl warned:
WARNING: ENOSYS means 'invalid syscall nr' and nothing else
Align the return value to regcache_drop_region().

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20230313071812.13577-2-alexander.stein@ew.tq-group.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 8031007b4887dfe40b1dafa5c6fd17a27ad2b898..0482cf1c3231b2d89cacf8930a46923cdf66538f 100644 (file)
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -242,7 +242,7 @@ int regcache_read(struct regmap *map,
        int ret;
 
        if (map->cache_type == REGCACHE_NONE)
-               return -ENOSYS;
+               return -EINVAL;
 
        BUG_ON(!map->cache_ops);