Re: [RFC] regmap: Add regmap_field APIs

[Srinivas KANDAGATLA <srinivas.kandagatla@st.com>]

On 09/06/13 17:00, Lars-Peter Clausen wrote:
> [...]
>> +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
It makes sense, I will do that change.

Thanks,
srini
> 
>> +}
>> +EXPORT_SYMBOL_GPL(regmap_field_write);