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regmap: Converts group operation into single read write operations

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Some devices does not support bulk read and write operations, for them
we have series of single write and read operations.

Signed-off-by: Anthony Olech <Anthony.Olech@diasemi.com>
Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
[Fixed coding style, don't check use_single_rw before assign --broonie ]
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Ashish Jangam 2012-04-30 23:23:40 +01:00 • committed by Mark Brown
commit 2e33caf16f
3 changed files with 44 additions and 4 deletions
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5
include/linux/regmap.h
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@ -76,6 +76,9 @@ struct reg_default {
* @write_flag_mask: Mask to be set in the top byte of the register when doing
* a write. If both read_flag_mask and write_flag_mask are
* empty the regmap_bus default masks are used.
* @use_single_rw: If set, converts the bulk read and write operations into
* a series of single read and write operations. This is useful
* for device that does not support bulk read and write.
*
* @cache_type: The actual cache type.
* @reg_defaults_raw: Power on reset values for registers (for use with
@ -104,6 +107,8 @@ struct regmap_config {
u8 read_flag_mask;
u8 write_flag_mask;
bool use_single_rw;
};
typedef int (*regmap_hw_write)(void *context, const void *data,