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Commit e874e6c7 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

regmap: add regmap_fields_force_write() 



regmap_fields_force_write() is similar to regmap_fields_write(),
but regmap_fields_force_write() write data to register even though
it is same value.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent fd4b7286

drivers/base/regmap/regmap.c

+12 −0
Original line number Diff line number Diff line
@@ -1624,6 +1624,18 @@ int regmap_fields_write(struct regmap_field *field, unsigned int id, 
}

EXPORT_SYMBOL_GPL(regmap_fields_write);



int regmap_fields_force_write(struct regmap_field *field, unsigned int id,

			unsigned int val)

{

	if (id >= field->id_size)

		return -EINVAL;



	return regmap_write_bits(field->regmap,

				  field->reg + (field->id_offset * id),

				  field->mask, val << field->shift);

}

EXPORT_SYMBOL_GPL(regmap_fields_force_write);



/**

 * regmap_fields_update_bits():	Perform a read/modify/write cycle

 *                              on the register field

include/linux/regmap.h

+2 −0
Original line number Diff line number Diff line
@@ -505,6 +505,8 @@ int regmap_field_update_bits(struct regmap_field *field, 


int regmap_fields_write(struct regmap_field *field, unsigned int id,

			unsigned int val);

int regmap_fields_force_write(struct regmap_field *field, unsigned int id,

			unsigned int val);

int regmap_fields_read(struct regmap_field *field, unsigned int id,

		       unsigned int *val);

int regmap_fields_update_bits(struct regmap_field *field,  unsigned int id,