diff options
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 59c55ea0f0b5..6724d0e3819e 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -296,8 +296,12 @@ typedef void (*regmap_hw_free_context)(void *context); * if not implemented on a given device. * @async_write: Write operation which completes asynchronously, optional and * must serialise with respect to non-async I/O. + * @reg_write: Write a single register value to the given register address. This + * write operation has to complete when returning from the function. * @read: Read operation. Data is returned in the buffer used to transmit * data. + * @reg_read: Read a single register value from a given register address. + * @free_context: Free context. * @async_alloc: Allocate a regmap_async() structure. * @read_flag_mask: Mask to be set in the top byte of the register when doing * a read. @@ -307,7 +311,8 @@ typedef void (*regmap_hw_free_context)(void *context); * @val_format_endian_default: Default endianness for formatted register * values. Used when the regmap_config specifies DEFAULT. If this is * DEFAULT, BIG is assumed. - * @async_size: Size of struct used for async work. + * @max_raw_read: Max raw read size that can be used on the bus. + * @max_raw_write: Max raw write size that can be used on the bus. */ struct regmap_bus { bool fast_io; @@ -322,6 +327,8 @@ struct regmap_bus { u8 read_flag_mask; enum regmap_endian reg_format_endian_default; enum regmap_endian val_format_endian_default; + size_t max_raw_read; + size_t max_raw_write; }; struct regmap *regmap_init(struct device *dev, @@ -437,6 +444,8 @@ int regmap_get_max_register(struct regmap *map); int regmap_get_reg_stride(struct regmap *map); int regmap_async_complete(struct regmap *map); bool regmap_can_raw_write(struct regmap *map); +size_t regmap_get_raw_read_max(struct regmap *map); +size_t regmap_get_raw_write_max(struct regmap *map); int regcache_sync(struct regmap *map); int regcache_sync_region(struct regmap *map, unsigned int min, |