clk: si570: Constify struct regmap_config

The regmap_config struct may be const because it is not modified by the
driver and regmap_init() accepts pointer to const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/clk-si570.c b/drivers/clk/clk-si570.c
index fc167b3..20a5aec 100644 (file)
--- a/drivers/clk/clk-si570.c
+++ b/drivers/clk/clk-si570.c
@@ -393,7 +393,7 @@ static bool si570_regmap_is_writeable(struct device *dev, unsigned int reg)
        }
 }
 
-static struct regmap_config si570_regmap_config = {
+static const struct regmap_config si570_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
        .cache_type = REGCACHE_RBTREE,