On Wed, Jul 24, 2013 at 06:07:18PM +0800, Robin Gong wrote: > On Wed, Jul 24, 2013 at 10:30:41AM +0200, Steffen Trumtrar wrote: > > Hi! > > > > I tested your patch and had to change two things to actually make it > > work. See below... > > > > On Sun, Jul 21, 2013 at 05:17:27PM +0800, Robin Gong wrote: > > > Add pfuze100 regulator driver. > > > > > > Signed-off-by: Robin Gong <b38343@xxxxxxxxxxxxx> > > > > (...) > > > > > --- > > > > > diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c > > > new file mode 100644 > > > index 0000000..fd259ef > > > --- /dev/null > > > +++ b/drivers/regulator/pfuze100-regulator.c > > > @@ -0,0 +1,462 @@ > > > > (...) > > > > > +static struct regulator_ops pfuze100_ldo_regulator_ops = { > > > + .enable = regulator_enable_regmap, > > > + .disable = regulator_disable_regmap, > > > + .is_enabled = regulator_is_enabled_regmap, > > > + .list_voltage = regulator_list_voltage_linear, > > > + .set_voltage_sel = regulator_set_voltage_sel_regmap, > > > + .get_voltage_sel = regulator_get_voltage_sel_regmap, > > > +}; > > > + > > > +static struct regulator_ops pfuze100_fixed_regulator_ops = { > > > + .list_voltage = regulator_list_voltage_linear, > > > +}; > > > > > > This needs: > > > > diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c > > index 07d5a54..d0d67b4 100644 > > --- a/drivers/regulator/pfuze100-regulator.c > > +++ b/drivers/regulator/pfuze100-regulator.c > > @@ -133,6 +133,7 @@ static struct regulator_ops pfuze100_ldo_regulator_ops = { > > > > static struct regulator_ops pfuze100_fixed_regulator_ops = { > > .list_voltage = regulator_list_voltage_linear, > > + .set_voltage_sel = regulator_set_voltage_sel_regmap, > > }; > > > > static struct regulator_ops pfuze100_sw_regulator_ops = { > > > > > > Otherwise the fixed_regulator VDDR isn't registered and the driver then unloads > > completely. This is at least the case for v3.10. I haven't had the chance to test > > it on v3.11-rcX. If the _regulator_do_set_voltage logic changes, then scratch this. > > > Thanks firstly for you test with the patch. I have test it on v3.10 just now, > and can't reproduce what you saw that VDDR regulator can't be registered > successfully. I don't think fixed regulator need <set_voltage_sel>. Okay. I rechecked and I was doing it wrong. I had the min/max voltage propreties in the DT and missed the "regulator-boot-on;" property. Works fine now. Thanks, Steffen -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html