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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2016-02-15 05:24:51 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-02-20 01:15:56 +0900 |
| commit | e126edec184ea3049cc1f8b652c6eeb06aa65fda (patch) | |
| tree | 9d19dd516eec40423146c4a10418719ccd89c1d1 /drivers/base | |
| parent | 721ed64dda3774c619874866ca4f9a38ae6750af (diff) | |
| download | linux-e126edec184ea3049cc1f8b652c6eeb06aa65fda.tar.bz2 | |
regmap: add regmap_fields_update_bits_base()
This patch adds new regmap_fields_update_bits_base() which is using
regmap_update_bits_base().
Current regmap_fields_xxx() can be merged into it by macro.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/regmap/regmap.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 606c9b53526b..0c7773fadd48 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1717,6 +1717,38 @@ int regmap_field_update_bits_base(struct regmap_field *field, EXPORT_SYMBOL_GPL(regmap_field_update_bits_base); /** + * regmap_fields_update_bits_base(): + * Perform a read/modify/write cycle on the register field + * with change, async, force option + * + * @field: Register field to write to + * @id: port ID + * @mask: Bitmask to change + * @val: Value to be written + * @change: Boolean indicating if a write was done + * @async: Boolean indicating asynchronously + * @force: Boolean indicating use force update + * + * A value of zero will be returned on success, a negative errno will + * be returned in error cases. + */ +int regmap_fields_update_bits_base(struct regmap_field *field, unsigned int id, + unsigned int mask, unsigned int val, + bool *change, bool async, bool force) +{ + if (id >= field->id_size) + return -EINVAL; + + mask = (mask << field->shift) & field->mask; + + return regmap_update_bits_base(field->regmap, + field->reg + (field->id_offset * id), + mask, val << field->shift, + change, async, force); +} +EXPORT_SYMBOL_GPL(regmap_fields_update_bits_base); + +/** * regmap_fields_write(): Write a value to a single register field with port ID * * @field: Register field to write to |