linux-kernel - Re: [PATCH v1 3/5] media: cadence: Add operation on reset

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Message-ID: <20230515144245.GA29284@pengutronix.de>
Date:   Mon, 15 May 2023 16:42:45 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Jack Zhu <jack.zhu@...rfivetech.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, changhuang.liang@...rfivetech.com
Subject: Re: [PATCH v1 3/5] media: cadence: Add operation on reset

Hi Jack,

On Fri, May 12, 2023 at 06:26:35PM +0800, Jack Zhu wrote:
[...]
> @@ -299,6 +312,16 @@ static int csi2rx_get_resources(struct csi2rx_priv *csi2rx,
>  		return PTR_ERR(csi2rx->p_clk);
>  	}
>  
> +	csi2rx->sys_rst = devm_reset_control_get_optional_exclusive(&pdev->dev,
> +								    "sys_rst");

This doesn't match the bindings documented in patch 2.
Should this be "sys"?

> +	if (IS_ERR(csi2rx->sys_rst))
> +		return PTR_ERR(csi2rx->sys_rst);
> +
> +	csi2rx->p_rst = devm_reset_control_get_optional_exclusive(&pdev->dev,
> +								  "p_rst");

This doesn't match the bindings documented in patch 2.
Should this be "reg_bank"?

> +	if (IS_ERR(csi2rx->p_rst))
> +		return PTR_ERR(csi2rx->p_rst);
> +
>  	csi2rx->dphy = devm_phy_optional_get(&pdev->dev, "dphy");
>  	if (IS_ERR(csi2rx->dphy)) {
>  		dev_err(&pdev->dev, "Couldn't get external D-PHY\n");
> @@ -349,14 +372,21 @@ static int csi2rx_get_resources(struct csi2rx_priv *csi2rx,
>  	}
>  
>  	for (i = 0; i < csi2rx->max_streams; i++) {
> -		char clk_name[16];
> +		char name[16];
>  
> -		snprintf(clk_name, sizeof(clk_name), "pixel_if%u_clk", i);
> -		csi2rx->pixel_clk[i] = devm_clk_get(&pdev->dev, clk_name);
> +		snprintf(name, sizeof(name), "pixel_if%u_clk", i);
> +		csi2rx->pixel_clk[i] = devm_clk_get(&pdev->dev, name);
>  		if (IS_ERR(csi2rx->pixel_clk[i])) {
> -			dev_err(&pdev->dev, "Couldn't get clock %s\n", clk_name);
> +			dev_err(&pdev->dev, "Couldn't get clock %s\n", name);
>  			return PTR_ERR(csi2rx->pixel_clk[i]);
>  		}
> +
> +		snprintf(name, sizeof(name), "pixel_if%u_rst", i);

This doesn't match the bindings documented in patch 2.
Should this be "pixel_if%u"?

regards
Philipp