regmap: Introduce regmap_get_max_register

[karo-tx-linux.git] / include / linux / regmap.h

diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 116655d922691b3143b8c9d840b944fed3a70adb..2d87deda79cd59034763376bbdc4503cfc754000 100644 (file)
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -433,6 +433,7 @@ int regmap_update_bits_check_async(struct regmap *map, unsigned int reg,
                                   unsigned int mask, unsigned int val,
                                   bool *change);
 int regmap_get_val_bytes(struct regmap *map);
+int regmap_get_max_register(struct regmap *map);
 int regmap_async_complete(struct regmap *map);
 bool regmap_can_raw_write(struct regmap *map);
 
@@ -676,6 +677,12 @@ static inline int regmap_get_val_bytes(struct regmap *map)
        return -EINVAL;
 }
 
+static inline int regmap_get_max_register(struct regmap *map)
+{
+       WARN_ONCE(1, "regmap API is disabled");
+       return -EINVAL;
+}
+
 static inline int regcache_sync(struct regmap *map)
 {
        WARN_ONCE(1, "regmap API is disabled");