linux-kernel - Re: [PATCH] drm/meson: Delete an error message in meson_dw_hdmi

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Date:   Wed, 15 Apr 2020 09:56:38 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Markus Elfring <Markus.Elfring@....de>,
        dri-devel@...ts.freedesktop.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Kevin Hilman <khilman@...libre.com>
Cc:     kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Tang Bin <tangbin@...s.chinamobile.com>
Subject: Re: [PATCH] drm/meson: Delete an error message in
 meson_dw_hdmi_bind()

Hi,

On 05/04/2020 13:23, Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sun, 5 Apr 2020 13:13:03 +0200
> 
> The function “platform_get_irq” can log an error already.
> Thus omit a redundant message for the exception handling in the
> calling function.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/gpu/drm/meson/meson_dw_hdmi.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> index e8c94915a4fc..64cb6ba4bc42 100644
> --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
> +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> @@ -1034,10 +1034,8 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
>  		return PTR_ERR(dw_plat_data->regm);
> 
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0) {
> -		dev_err(dev, "Failed to get hdmi top irq\n");
> +	if (irq < 0)
>  		return irq;
> -	}
> 
>  	ret = devm_request_threaded_irq(dev, irq, dw_hdmi_top_irq,
>  					dw_hdmi_top_thread_irq, IRQF_SHARED,
> --
> 2.26.0
> 

Missing Fixes tag, but I'll apply nevertheless:
Fixes: 3f68be7d8e96 ("drm/meson: Add support for HDMI encoder and DW-HDMI bridge + PHY")

Neil