On Thu, 2 Oct 2014, Guenter Roeck wrote:
> On 10/02/2014 04:20 AM, Mark Brown wrote:
> > On Wed, Oct 01, 2014 at 02:05:49PM -0500, atull@xxxxxxxxxxxxxxxxxxxxx wrote:
> > > From: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx>
> > >
> > > Add support for simple on/off control of each channel.
> >
> > This is basically fine but the regulator API has moved on a bit with the
> > DT handling over the time you've been working on this.
> >
> > > Signed-off-by: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx>
> > >
> > > v2: Remove '#include <linux/regulator/machine.h>'
> > > Only one regulator per pmbus device
> >
> > Put this after the --- as covered in SubmittingPatches.
> >
> > > +static int _pmbus_regulator_on_off(struct regulator_dev *rdev, bool
> > > enable)
> > > +{
> > > + struct device *dev = rdev_get_dev(rdev);
> > > + struct i2c_client *client = to_i2c_client(dev->parent);
> > > + u8 page = rdev_get_id(rdev);
> > > +
> > > + return pmbus_update_byte_data(client, page, PMBUS_OPERATION,
> > > + PB_OPERATION_CONTROL_ON,
> > > + enable ? PB_OPERATION_CONTROL_ON : 0);
> > > +}
> > > +
> > > +static int pmbus_regulator_enable(struct regulator_dev *rdev)
> > > +{
> > > + return _pmbus_regulator_on_off(rdev, 1);
> > > +}
> >
> > I'm not sure factoring out the code actually won much here.
> >
> > > + np_regulators = of_get_child_by_name(dev->of_node, "regulators");
> > > + if (!np_regulators)
> > > + return 0;
> > > +
> > > + ret = of_regulator_match(dev, np_regulators, info->reg_matches,
> > > + info->num_regulators);
> > > + of_node_put(np_regulators);
> >
> > We now have helpers in the regulator core for this - set of_match and
> > regulators_node in the regulator descriptor and the core will resolve
> > this stuff for you and...
> >
> > > + if (pdata && pdata->reg_init_data) {
> > > + config.init_data = &pdata->reg_init_data[i];
> > > + } else {
> > > + config.init_data = info->reg_matches[i].init_data;
> > > + config.of_node = info->reg_matches[i].of_node;
> > > + }
> >
> > ...you can just drop the else case (and check for reg_init_data) here.
> >
>
> Guess we'll need another version after all.
>
> Alan, in that case please provide prototyles for the new API functions
> introduced in patch 2/4.
>
> Thanks,
> Guenter
OK I have sent out v5 which uses the simplified DT parsing method.
I added the prototypes and made the other fixes requested.
Alan
>
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