Re: [PATCH 11/13] iio: frequency: admv1013: Benefit from devm_clk_get_enabled() to simplify

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On Sat, Aug 13, 2022 at 7:26 PM Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
>
> On Mon,  8 Aug 2022 22:47:38 +0200
> Uwe Kleine-König         <u.kleine-koenig@xxxxxxxxxxxxxx> wrote:
>
> > Make use of devm_clk_get_enabled() to replace some code that effectively
> > open codes this new function.
> >
> > Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> Looks fine to me, but there is a subtle reordering + it does even more
> non parsing stuff in a function called _parse.
>
> Anyhow, would like Antoniu or someone else from ADI to take a quick look if
> possible before I pick this one up.

...

> > -     st->clkin = devm_clk_get(&spi->dev, "lo_in");
> > +     st->clkin = devm_clk_get_enabled(&spi->dev, "lo_in");
> >       if (IS_ERR(st->clkin))
> >               return dev_err_probe(&spi->dev, PTR_ERR(st->clkin),
> >                                    "failed to get the LO input clock\n");

So it seems better to drop above and...

> > -     ret = clk_prepare_enable(st->clkin);
> > -     if (ret)
> > -             return ret;
> > -
> > -     ret = devm_add_action_or_reset(&spi->dev, admv1013_clk_disable, st->clkin);
> > -     if (ret)
> > -             return ret;

...put a call here. This will make parse() look more parse.

-- 
With Best Regards,
Andy Shevchenko




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