[...]
> +int regmap_field_write(struct regmap_field *field, unsigned int val)
> +{
> + int field_bits;
> + unsigned int reg_mask;
> + field_bits = field->msb - field->lsb + 1;
> + reg_mask = ((BIT(field_bits) - 1) << field->lsb);
> + return regmap_update_bits(field->regmap, field->reg,
> + reg_mask, val << field->lsb);
Considering that you'd do the same calculations over and over again it would
probably make more sense store the mask rather than the msb in the struct
> +}
> +EXPORT_SYMBOL_GPL(regmap_field_write);
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