regmap: cache: Use regcache_get_value() to check if we updated

Factor things out a little.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index f0a3db6..6948996 100644 (file)
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -418,25 +418,22 @@ EXPORT_SYMBOL_GPL(regcache_cache_bypass);
 bool regcache_set_val(struct regmap *map, void *base, unsigned int idx,
                      unsigned int val)
 {
+       if (regcache_get_val(map, base, idx) == val)
+               return true;
+
        switch (map->cache_word_size) {
        case 1: {
                u8 *cache = base;
-               if (cache[idx] == val)
-                       return true;
                cache[idx] = val;
                break;
        }
        case 2: {
                u16 *cache = base;
-               if (cache[idx] == val)
-                       return true;
                cache[idx] = val;
                break;
        }
        case 4: {
                u32 *cache = base;
-               if (cache[idx] == val)
-                       return true;
                cache[idx] = val;
                break;
        }