linux-kernel - Re: [PATCH v8 04/16] media: cadence: Add support for TI SoCs

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Date:   Mon, 7 Aug 2023 13:28:17 +0530
From:   Jai Luthra <j-luthra@...com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
CC:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        <niklas.soderlund+renesas@...natech.se>,
        Benoit Parrot <bparrot@...com>,
        Vaishnav Achath <vaishnav.a@...com>,
        Vignesh Raghavendra <vigneshr@...com>, <nm@...com>,
        <devarsht@...com>
Subject: Re: [PATCH v8 04/16] media: cadence: Add support for TI SoCs

Hi Krzysztof,

Thanks for the review.

On Aug 05, 2023 at 23:06:43 +0200, Krzysztof Kozlowski wrote:
> On 31/07/2023 10:29, Jai Luthra wrote:
> > Multiple TI SoCs (J721E, AM62) use this CSI2RX receiver, integrated with
> > an external DPHY and a pixel-grabber IP that unwraps the pixel data and
> > send it to memory via DMA.
> > 
> > Add a separate compatible for the TI-specific version of this IP.
> > 
> > Signed-off-by: Jai Luthra <j-luthra@...com>
> > ---
> > New in v8
> > 
> >  drivers/media/platform/cadence/cdns-csi2rx.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c b/drivers/media/platform/cadence/cdns-csi2rx.c
> > index 0d879d71d818..b087583d636f 100644
> > --- a/drivers/media/platform/cadence/cdns-csi2rx.c
> > +++ b/drivers/media/platform/cadence/cdns-csi2rx.c
> > @@ -559,6 +559,7 @@ static void csi2rx_remove(struct platform_device *pdev)
> >  
> >  static const struct of_device_id csi2rx_of_table[] = {
> >  	{ .compatible = "starfive,jh7110-csi2rx" },
> > +	{ .compatible = "ti,j721e-csi2rx" },
> 
> Why do you need it? It's redundant - already compatible with cdns. No
> need to add empty match entries.
> 

Understood, will drop this patch in the next revision and re-introduce 
later whenever we add something SoC specific in the driver.

> >  	{ .compatible = "cdns,csi2rx" },
> >  	{ },
> 
> 
> Best regards,
> Krzysztof
> 

-- 
Thanks,
Jai

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