Re: [PATCH] ASoC: fsl_spdif: Add pm runtime function

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On Fri, Jun 19, 2020 at 1:51 PM Nicolin Chen <nicoleotsuka@xxxxxxxxx> wrote:
>
> On Thu, Jun 18, 2020 at 07:55:34PM +0800, Shengjiu Wang wrote:
> > Add pm runtime support and move clock handling there.
> > Close the clocks at suspend to reduce the power consumption.
> >
> > fsl_spdif_suspend is replaced by pm_runtime_force_suspend.
> > fsl_spdif_resume is replaced by pm_runtime_force_resume.
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
>
> LGTM, yet some nits, please add my ack after fixing:
>
> Acked-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>
>
> > @@ -495,25 +496,10 @@ static int fsl_spdif_startup(struct snd_pcm_substream *substream,
>
> >
> > -disable_txclk:
> > -     for (i--; i >= 0; i--)
> > -             clk_disable_unprepare(spdif_priv->txclk[i]);
> >  err:
> > -     if (!IS_ERR(spdif_priv->spbaclk))
> > -             clk_disable_unprepare(spdif_priv->spbaclk);
> > -err_spbaclk:
> > -     clk_disable_unprepare(spdif_priv->coreclk);
> > -
> >       return ret;
>
> Only "return ret;" remains now. We could clean the goto away.
>
> > -static int fsl_spdif_resume(struct device *dev)
> > +static int fsl_spdif_runtime_resume(struct device *dev)
>
> > +disable_rx_clk:
> > +     clk_disable_unprepare(spdif_priv->rxclk);
> > +disable_tx_clk:
> > +disable_spba_clk:
>
> Why have two duplicated ones? Could probably drop the 2nd one.

seems can drop one, will send an update.

best regards
wang shengjiu



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