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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-13 19:29:36 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-26 21:38:16 +0000
commit8817796b75c8847d63d6d4523c79c24b47748a05 (patch)
treeafa323b0fc93ec618da94bc54b40c2047c8a422c /drivers/base/regmap/internal.h
parent0c7ed8563a0282c032936ae1c667498d59691593 (diff)
regmap: cache: Provide a get address of value operation
Provide a helper to do the size based index into a block of registers and use it when reading a value. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/base/regmap/internal.h')
-rw-r--r--drivers/base/regmap/internal.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index 6d409350f50a..95d46a5ea7e7 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -189,6 +189,13 @@ int regcache_write(struct regmap *map,
unsigned int reg, unsigned int value);
int regcache_sync(struct regmap *map);
+static inline const void *regcache_get_val_addr(struct regmap *map,
+ const void *base,
+ unsigned int idx)
+{
+ return base + (map->cache_word_size * idx);
+}
+
unsigned int regcache_get_val(struct regmap *map, const void *base,
unsigned int idx);
bool regcache_set_val(struct regmap *map, void *base, unsigned int idx,