* @map: The map returned by regmap_init_mem*()
* @offset: Offset of the memory
* @mask: Mask to apply to the read value
- * @val: Value to apply to the value to write
+ * @val: Value to OR with the read value after masking. Note that any
+ * bits set in @val which are not set in @mask are ignored
* Return: 0 if OK, -ve on error
*/
int regmap_update_bits(struct regmap *map, uint offset, uint mask, uint val);