Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <000f45c5-d7dd-237e-1e1b-72056acd4af1@linaro.org>
Date:   Sat, 5 Aug 2023 23:06:43 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.14.0
Subject: Re: [PATCH v8 04/16] media: cadence: Add support for TI SoCs
Content-Language: en-US
To:     Jai Luthra <j-luthra@ti.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Cc:     linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
        Maxime Ripard <mripard@kernel.org>,
        niklas.soderlund+renesas@ragnatech.se,
        Benoit Parrot <bparrot@ti.com>,
        Vaishnav Achath <vaishnav.a@ti.com>,
        Vignesh Raghavendra <vigneshr@ti.com>, nm@ti.com,
        devarsht@ti.com
References: <20230731-upstream_csi-v8-0-fb7d3661c2c9@ti.com>
 <20230731-upstream_csi-v8-4-fb7d3661c2c9@ti.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230731-upstream_csi-v8-4-fb7d3661c2c9@ti.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: bulk

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@ti.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.

>  	{ .compatible = "cdns,csi2rx" },
>  	{ },


Best regards,
Krzysztof