RE: Re: [PATCH v2 4/4] ASoC: fsl: imx-rpmsg: Update to correct DT node

[Chancel Liu]

> On 07/03/2024 08:44, Chancel Liu wrote:
> > Platform device for card to probe is registered in imx-audio-rpmsg.
> > According to this change DT node of ASoC CPU DAI device is updated.
> >
> > Signed-off-by: Chancel Liu <chancel.liu@xxxxxxx>
> > ---
> >  sound/soc/fsl/imx-rpmsg.c | 21 ++++++++++++++++++---
> >  1 file changed, 18 insertions(+), 3 deletions(-)
> >
> > diff --git a/sound/soc/fsl/imx-rpmsg.c b/sound/soc/fsl/imx-rpmsg.c
> > index e5bd63dab10c..2686125b3043 100644
> > --- a/sound/soc/fsl/imx-rpmsg.c
> > +++ b/sound/soc/fsl/imx-rpmsg.c
> > @@ -108,10 +108,9 @@ static int imx_rpmsg_late_probe(struct
> snd_soc_card *card)
> >  static int imx_rpmsg_probe(struct platform_device *pdev)
> >  {
> >       struct snd_soc_dai_link_component *dlc;
> > -     struct device *dev = pdev->dev.parent;
> >       /* rpmsg_pdev is the platform device for the rpmsg node that probed
> us */
> > -     struct platform_device *rpmsg_pdev = to_platform_device(dev);
> > -     struct device_node *np = rpmsg_pdev->dev.of_node;
> > +     struct platform_device *rpmsg_pdev = NULL;
> > +     struct device_node *np = NULL;
> >       struct of_phandle_args args;
> >       const char *platform_name;
> >       struct imx_rpmsg *data;
> > @@ -127,6 +126,22 @@ static int imx_rpmsg_probe(struct platform_device
> *pdev)
> >               goto fail;
> >       }
> >
> > +     if (!strcmp(pdev->dev.platform_data, "rpmsg-micfil-channel"))
> > +             np = of_find_node_by_name(NULL, "rpmsg_micfil");
> > +     else
> > +             np = of_find_node_by_name(NULL, "rpmsg_audio");
> 
> Why do you create ABI on node names? Where is it documented? Why can't
> you use phandles?
> 
> Best regards,
> Krzysztof

Thanks for your reminder. Truly I shouldn't use undocumented bindings. I will
use “fsl,rpmsg-channel-name” to refine patch set. Please help review next
version.

Regards, 
Chancel Liu