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@xxxxxxxxxx> --- drivers/media/i2c/isl7998x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/isl7998x.c b/drivers/media/i2c/isl7998x.c index 89e13ebbce0c..c7089035bbc1 100644 --- 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) -- 2.31.1