diff options
Diffstat (limited to 'drivers/base/regmap/internal.h')
| -rw-r--r-- | drivers/base/regmap/internal.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index 3df977054781..5c79526245c2 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -110,6 +110,7 @@ struct regmap { /* number of bits to (left) shift the reg value when formatting*/ int reg_shift; int reg_stride; + int reg_stride_order; /* regcache specific members */ const struct regcache_ops *cache_ops; @@ -263,4 +264,19 @@ static inline const char *regmap_name(const struct regmap *map) return map->name; } +static inline unsigned int regmap_get_offset(const struct regmap *map, + unsigned int index) +{ + if (map->reg_stride_order >= 0) + return index << map->reg_stride_order; + else + return index * map->reg_stride; +} + +static inline unsigned int regcache_get_index_by_order(const struct regmap *map, + unsigned int reg) +{ + return reg >> map->reg_stride_order; +} + #endif |