Re: [PATCH v9 6/7] clk: clock-wizard: Remove the hardcoding of the clock outputs

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Quoting Miquel Raynal (2021-02-18 00:37:15)
> Hi Shubhrajyoti,
> 
> Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> wrote on Thu, 18 Feb
> 2021 10:19:50 +0530:
> 
> > The number of output clocks are configurable in the hardware.
> > Currently the driver registers the maximum number of outputs.
> > Fix the same by registering only the outputs that are there.
> > 
> > Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
> > ---
> > v4:
> > Assign output in this patch
> > 
> >  drivers/clk/clk-xlnx-clock-wizard.c | 6 ++++--
> >  1 file changed, 4 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/clk/clk-xlnx-clock-wizard.c b/drivers/clk/clk-xlnx-clock-wizard.c
> > index ed3b0ef..d403a74 100644
> > --- a/drivers/clk/clk-xlnx-clock-wizard.c
> > +++ b/drivers/clk/clk-xlnx-clock-wizard.c
> > @@ -473,6 +473,7 @@ static int clk_wzrd_probe(struct platform_device *pdev)
> >       unsigned long rate;
> >       const char *clk_name;
> >       struct clk_wzrd *clk_wzrd;
> > +     int outputs;
> >       struct device_node *np = pdev->dev.of_node;
> >  
> >       clk_wzrd = devm_kzalloc(&pdev->dev, sizeof(*clk_wzrd), GFP_KERNEL);
> > @@ -541,6 +542,7 @@ static int clk_wzrd_probe(struct platform_device *pdev)
> >               goto err_disable_clk;
> >       }
> >  
> > +     outputs = of_property_count_strings(np, "clock-output-names");
> 
> A check on outputs validity is probably welcome.
> 
> Also I usually prefer noutputs or nb_outputs for such variable name,
> which implies a number rather than an array, but this is personal taste.

Ideally we get rid of clock-output-names and generate them at runtime
instead based on some combination of device name and something else.




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