Re: [PATCH 4/6] regulator: add bcm59056 regulator driver

From: Matt Porter
Date: Tue Feb 04 2014 - 16:29:34 EST


On Tue, Feb 04, 2014 at 05:28:36PM +0000, Mark Brown wrote:
> On Tue, Feb 04, 2014 at 07:19:10AM -0500, Matt Porter wrote:
>
> > +static unsigned int bcm59056_get_mode(struct regulator_dev *dev)
> > +{
> > + return REGULATOR_MODE_NORMAL;
> > +}
> > +
> > +static int bcm59056_set_mode(struct regulator_dev *dev, unsigned int mode)
> > +{
> > + if (mode == REGULATOR_MODE_NORMAL)
> > + return 0;
> > + else
> > + return -EINVAL;
> > +}
>
> These do nothing, don't implement them.

Will remove. Maybe some day.

> > + if (bcm59056->dev->of_node)
> > + pmu_data = bcm59056_parse_dt_reg_data(pdev,
> > + &bcm59056_reg_matches);
>
> It'd seem a bit neater to put the OF check into the parse function but
> meh.

On second look, I'd agree. Easy enough to clean up.

> > + if (!pmu_data) {
> > + dev_err(&pdev->dev, "Platform data not found\n");
> > + return -EINVAL;
> > + }
>
> Like I said when reviewing the binding this should not cause the driver
> to fail to load.

Will fix.

> > + /*
> > + * Regulator API handles empty constraints but not NULL
> > + * constraints
> > + */
> > + if (!reg_data)
> > + continue;
>
> It should do... if not then make it so since that'd mean most drivers
> are buggy.

Ahh, I see there is a check for NULL in the core. Will drop.

-Matt
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