RE: [PATCH v9 1/2] clk: Add comment about __of_clk_get_by_name() error values

From: Phil Edworthy
Date: Thu Dec 06 2018 - 07:31:00 EST


Hi Andy,

On 03 December 2018 13:31 Andy Shevchenko wrote:
> On Mon, Dec 03, 2018 at 11:13:08AM +0000, Phil Edworthy wrote:
> > It's not immediately obvious from the code that failure to get a clock
> > provider can return either -ENOENT or -EINVAL. Therefore, add a
> > comment to highlight this.
>
> > +/*
> > + * Beware the return values when np is valid, but no clock provider is
> found.
> > + * If name = NULL, the function returns -ENOENT.
> > + * If name != NULL, the function returns -EINVAL. This is because
> > +__of_clk_get()
>
> I would start new sentence from new line (this will emphasize the possible
> variants)
>
> * This is ...
I disagree, the explanation is specifically related to the case where the function
returns -EINVAL. Though this is a nit, so I'm not really bothered either way.

Thanks for the review!
Phil

> Otherwise looks good to me:
>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>
> > + * is called even if of_property_match_string() returns an error.
> > + */
> > static struct clk *__of_clk_get_by_name(struct device_node *np,
> > const char *dev_id,
> > const char *name)
> > --
> > 2.17.1
> >
>
> --
> With Best Regards,
> Andy Shevchenko
>