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regmap: add helper for per-port regfield initialization

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Similar to the standalone regfields, add an initializer for the users
who need to set .id_size and .id_offset in order to use the
regmap_fields_update_bits_base API.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20200527234113.2491988-2-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vladimir Oltean 2020-05-28 02:41:03 +03:00 committed by Mark Brown
parent 8f3d9f3542
commit 8baebfc2ac
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1 changed files with 8 additions and 0 deletions
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8
include/linux/regmap.h
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@ -1134,6 +1134,14 @@ struct reg_field {
.msb = _msb, \
}
#define REG_FIELD_ID(_reg, _lsb, _msb, _size, _offset) { \
.reg = _reg, \
.lsb = _lsb, \
.msb = _msb, \
.id_size = _size, \
.id_offset = _offset, \
}
struct regmap_field *regmap_field_alloc(struct regmap *regmap,
struct reg_field reg_field);
void regmap_field_free(struct regmap_field *field);