media: i2c: isl7998x: convert to use maple tree register cache

The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.

Signed-off-by: Bo Liu <liubo03@inspur.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/i2c/isl7998x.c b/drivers/media/i2c/isl7998x.c
index 89e13ebbce0c2193cd568f1ef2556dbc3a519bdd..c7089035bbc10bf3cb281a27ede42f1029307d7e 100644 (file)
--- a/drivers/media/i2c/isl7998x.c
+++ b/drivers/media/i2c/isl7998x.c
@@ -1337,7 +1337,7 @@ static const struct regmap_config isl7998x_regmap = {
        .rd_table       = &isl7998x_readable_table,
        .wr_table       = &isl7998x_writeable_table,
        .volatile_table = &isl7998x_volatile_table,
-       .cache_type     = REGCACHE_RBTREE,
+       .cache_type     = REGCACHE_MAPLE,
 };
 
 static int isl7998x_mc_init(struct isl7998x *isl7998x)