linux-kernel - Re: [PATCH -next] drm: omapdrm: dss: Remove redundant DSSERR()

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Message-ID: <20230727095525.GG25174@pendragon.ideasonboard.com>
Date:   Thu, 27 Jul 2023 12:55:25 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Ruan Jinjie <ruanjinjie@...wei.com>
Cc:     tomi.valkeinen@...asonboard.com, airlied@...il.com,
        daniel@...ll.ch, u.kleine-koenig@...gutronix.de,
        guozhengkui@...o.com, dianders@...omium.org, yuancan@...wei.com,
        arnd@...db.de, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] drm: omapdrm: dss: Remove redundant DSSERR()

Hi Ruan,

Thank you for the patch.

On Thu, Jul 27, 2023 at 11:39:23AM +0000, Ruan Jinjie wrote:
> There is no need to call the DSSERR() function directly to print
> a custom message when handling an error from platform_get_irq() function
> as it is going to display an appropriate error message
> in case of a failure.
> 
> Signed-off-by: Ruan Jinjie <ruanjinjie@...wei.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

I expect Tomi to pick this up and push it to drm-misc.

> ---
>  drivers/gpu/drm/omapdrm/dss/dispc.c | 1 -
>  drivers/gpu/drm/omapdrm/dss/dsi.c   | 4 +---
>  drivers/gpu/drm/omapdrm/dss/hdmi4.c | 1 -
>  drivers/gpu/drm/omapdrm/dss/hdmi5.c | 1 -
>  4 files changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
> index c26aab4939fa..9209103f5dc5 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dispc.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
> @@ -4779,7 +4779,6 @@ static int dispc_bind(struct device *dev, struct device *master, void *data)
>  
>  	dispc->irq = platform_get_irq(dispc->pdev, 0);
>  	if (dispc->irq < 0) {
> -		DSSERR("platform_get_irq failed\n");
>  		r = -ENODEV;
>  		goto err_free;
>  	}
> diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
> index ea63c64d3a1a..63cfe0776788 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dsi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
> @@ -4935,10 +4935,8 @@ static int dsi_probe(struct platform_device *pdev)
>  		return PTR_ERR(dsi->pll_base);
>  
>  	dsi->irq = platform_get_irq(pdev, 0);
> -	if (dsi->irq < 0) {
> -		DSSERR("platform_get_irq failed\n");
> +	if (dsi->irq < 0)
>  		return -ENODEV;
> -	}
>  
>  	r = devm_request_irq(dev, dsi->irq, omap_dsi_irq_handler,
>  			     IRQF_SHARED, dev_name(dev), dsi);
> diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
> index a26b77d99d52..d4fd6c680db3 100644
> --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
> +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
> @@ -782,7 +782,6 @@ static int hdmi4_probe(struct platform_device *pdev)
>  
>  	irq = platform_get_irq(pdev, 0);
>  	if (irq < 0) {
> -		DSSERR("platform_get_irq failed\n");
>  		r = -ENODEV;
>  		goto err_free;
>  	}
> diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
> index e6611c683857..27c21ff8c4e5 100644
> --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
> +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
> @@ -756,7 +756,6 @@ static int hdmi5_probe(struct platform_device *pdev)
>  
>  	irq = platform_get_irq(pdev, 0);
>  	if (irq < 0) {
> -		DSSERR("platform_get_irq failed\n");
>  		r = -ENODEV;
>  		goto err_free;
>  	}

-- 
Regards,

Laurent Pinchart