Re: [PATCH v2 5/7] clk: raspberrypi: register platform device for raspberrypi-cpufreq

[Nicolas Saenz Julienne]

On Thu, 2019-06-06 at 10:05 -0700, Stephen Boyd wrote:
> Quoting Nicolas Saenz Julienne (2019-06-06 07:22:58)
> > diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-
> > raspberrypi.c
> > index b1365cf19f3a..052296b5fbe4 100644
> > --- a/drivers/clk/bcm/clk-raspberrypi.c
> > +++ b/drivers/clk/bcm/clk-raspberrypi.c
> > @@ -63,6 +63,8 @@ struct raspberrypi_firmware_prop {
> >         __le32 disable_turbo;
> >  } __packed;
> >  
> > +static struct platform_device *rpi_cpufreq;
> 
> Why can't this be stored in platform driver data?

It actually could, I just followed the same pattern as the code found in patch
#3. I'll update it in the next version if you prefer it. 

> 
> > +
> >  static int raspberrypi_clock_property(struct rpi_firmware *firmware, u32
> > tag,
> >                                       u32 clk, u32 *val)
> >  {
> > @@ -285,6 +287,17 @@ static int raspberrypi_clk_probe(struct platform_device
> > *pdev)
> >                 return ret;
> >         }
> >  
> > +       rpi_cpufreq = platform_device_register_data(dev, "raspberrypi-
> > cpufreq",
> > +                                                   -1, NULL, 0);
> > +
> > +       return 0;
> > +}
> > +
> > +static int raspberrypi_clk_remove(struct platform_device *pdev)
> > +{
> > +       platform_device_unregister(rpi_cpufreq);
> > +       rpi_cpufreq = NULL;
> 
> This assignment to NULL looks unnecessary.
> 

Same as above, but now that you pointed out, it's true it doesn't have any
effect

> > +
> >         return 0;
> >  }
> >  
> 
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