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Date: Mon, 11 Mar 2024 07:33:25 +0000
From: Chancel Liu <chancel.liu@....com>
To: Krzysztof Kozlowski <krzk@...nel.org>, "shengjiu.wang@...il.com"
	<shengjiu.wang@...il.com>, "Xiubo.Lee@...il.com" <Xiubo.Lee@...il.com>,
	"festevam@...il.com" <festevam@...il.com>, "nicoleotsuka@...il.com"
	<nicoleotsuka@...il.com>, "lgirdwood@...il.com" <lgirdwood@...il.com>,
	"broonie@...nel.org" <broonie@...nel.org>, "perex@...ex.cz" <perex@...ex.cz>,
	"tiwai@...e.com" <tiwai@...e.com>, "shawnguo@...nel.org"
	<shawnguo@...nel.org>, "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
	"kernel@...gutronix.de" <kernel@...gutronix.de>, dl-linux-imx
	<linux-imx@....com>, "alsa-devel@...a-project.org"
	<alsa-devel@...a-project.org>, "linuxppc-dev@...ts.ozlabs.org"
	<linuxppc-dev@...ts.ozlabs.org>, "linux-sound@...r.kernel.org"
	<linux-sound@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>
Subject: RE: Re: [PATCH v2 4/4] ASoC: fsl: imx-rpmsg: Update to correct DT
 node

> 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@....com>
> > ---
> >  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

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