Thanks for the review, some inline reply:
On Tue, Jun 9, 2020 at 7:19 PM Mark Brown <broo...@kernel.org> wrote:
>
> On Tue, Jun 09, 2020 at 03:59:55PM +0800, Pi-Hsun Shih wrote:
>
> > +static int cros_ec_regulator_set_state(struct regulator_dev *dev, bool
> > enable)
> > +{
> > + struct cros_ec_regulator_data *data = rdev_get_drvdata(dev);
> > + struct ec_params_regulator_enable cmd = {
> > + .index = data->index,
> > + .enable = enable ? 1 : 0,
>
> The ternery operator is totally redundant here.
Ack, would fix in v2.
>
> > +static int cros_ec_regulator_enable(struct regulator_dev *dev)
> > +{
> > + return cros_ec_regulator_set_state(dev, true);
> > +}
>
> > +static int cros_ec_regulator_disable(struct regulator_dev *dev)
> > +{
> > + return cros_ec_regulator_set_state(dev, false);
> > +}
>
> I'm not sure that the shared function is really worthwhile though,
> there's not really enough in it and certainly not anything complicated.
Ack, would fix in v2.
>
> > +static int cros_ec_regulator_set_voltage(struct regulator_dev *dev, int
> > min_uV,
> > + int max_uV, unsigned int *selector)
> > +{
> > + struct cros_ec_regulator_data *data = rdev_get_drvdata(dev);
> > + int min_mV = DIV_ROUND_UP(min_uV, 1000);
> > + int max_mV = max_uV / 1000;
> > + struct ec_params_regulator_set_voltage cmd = {
> > + .index = data->index,
> > + .min_mv = min_mV,
> > + .max_mv = max_mV,
> > + };
> > +
> > + if (min_mV > max_mV)
> > + return -EINVAL;
>
> The core will do this for you.
Since I'm doing DIV_ROUND_UP for the min_mV, so this may happen if the
min_uV~max_uV range given by the core doesn't contain any value that
can be represented exactly in mV.
>
> > + ret = of_property_read_u32(np, "google,remote-regulator",
> > + &drvdata->index);
> > + if (ret < 0)
> > + return ret;
>
> This remote-regulator property is a bit weird, it feels like it should
> be a reg property on a bus.
Ok I'll change this to reg property in v2.
>
> > +#if defined(CONFIG_OF)
> > +static const struct of_device_id regulator_cros_ec_of_match[] = {
> > + { .compatible = "regulator-cros-ec", },
> > + {},
> > +};
> > +MODULE_DEVICE_TABLE(of, regulator_cros_ec_of_match);
> > +#endif
>
> Your compatible is google,regulator-cros-ec.
Ack, would fix in v2.
