regmap: cache: speed regcache_hw_init() up.

This may speed regcache_hw_init() up for some cases that there
has volatile registers.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 6bec659e35d9578e3a7a1a05cfd645dafefafb7f..0852c890b4b5992093096922df7430f5ade19adb 100644 (file)
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -71,9 +71,9 @@ static int regcache_hw_init(struct regmap *map)
        /* fill the reg_defaults */
        map->num_reg_defaults = count;
        for (i = 0, j = 0; i < map->num_reg_defaults_raw; i++) {
-               val = regcache_get_val(map, map->reg_defaults_raw, i);
                if (regmap_volatile(map, i * map->reg_stride))
                        continue;
+               val = regcache_get_val(map, map->reg_defaults_raw, i);
                map->reg_defaults[j].reg = i * map->reg_stride;
                map->reg_defaults[j].def = val;
                j++;