linux-kernel - Re: [PATCH -next] drm: Remove unnecessary print function dev

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Date:   Sun, 26 Jun 2022 11:46:15 +0800
From:   Orson Zhai <orsonzhai@...il.com>
To:     Yang Li <yang.lee@...ux.alibaba.com>
Cc:     airlied@...ux.ie, Daniel Vetter <daniel@...ll.ch>,
        Baolin Wang <baolin.wang7@...il.com>,
        Lyra Zhang <zhang.lyra@...il.com>,
        dri-devel@...ts.freedesktop.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] drm: Remove unnecessary print function dev_err()

On Fri, Jun 24, 2022 at 8:50 AM Yang Li <yang.lee@...ux.alibaba.com> wrote:
>
> The print function dev_err() is redundant because platform_get_irq()
> already prints an error.
>
> Eliminate the follow coccicheck warning:
> ./drivers/gpu/drm/sprd/sprd_dpu.c:808:2-9: line 808 is redundant because platform_get_irq() already prints an error
>
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>

Acked-by: Orson Zhai <orsonzhai@...il.com>

> ---
>  drivers/gpu/drm/sprd/sprd_dpu.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/sprd/sprd_dpu.c b/drivers/gpu/drm/sprd/sprd_dpu.c
> index 3664089b6983..de4848dc0d22 100644
> --- a/drivers/gpu/drm/sprd/sprd_dpu.c
> +++ b/drivers/gpu/drm/sprd/sprd_dpu.c
> @@ -804,10 +804,8 @@ static int sprd_dpu_context_init(struct sprd_dpu *dpu,
>         }
>
>         ctx->irq = platform_get_irq(pdev, 0);
> -       if (ctx->irq < 0) {
> -               dev_err(dev, "failed to get dpu irq\n");
> +       if (ctx->irq < 0)
>                 return ctx->irq;
> -       }
>
>         /* disable and clear interrupts before register dpu IRQ. */
>         writel(0x00, ctx->base + REG_DPU_INT_EN);
> --
> 2.20.1.7.g153144c
>