diff options
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 113261287af2..d470303b1bbb 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -332,6 +332,10 @@ typedef void (*regmap_unlock)(void *); * @io_port: Support IO port accessors. Makes sense only when MMIO vs. IO port * access can be distinguished. * @max_register: Optional, specifies the maximum valid register address. + * @max_register_is_0: Optional, specifies that zero value in @max_register + * should be taken into account. This is a workaround to + * apply handling of @max_register for regmap that contains + * only one register. * @wr_table: Optional, points to a struct regmap_access_table specifying * valid ranges for write access. * @rd_table: As above, for read access. @@ -422,6 +426,7 @@ struct regmap_config { bool io_port; unsigned int max_register; + bool max_register_is_0; const struct regmap_access_table *wr_table; const struct regmap_access_table *rd_table; const struct regmap_access_table *volatile_table; |