linux-kernel - Re: [PATCH] via/via_irq: use __func_

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Date:   Mon, 23 Nov 2020 22:42:08 +0100
From:   Sam Ravnborg <sam@...nborg.org>
To:     Bernard Zhao <bernard@...o.com>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        opensource.kernel@...o.com
Subject: Re: [PATCH] via/via_irq: use __func__ to replace string function name

Hi Bernard.

On Wed, Nov 18, 2020 at 11:29:55PM -0800, Bernard Zhao wrote:
> This change also fix checkpatch.pl warning:
> WARNING: Prefer using '"%s...", __func__' to using
> 'via_driver_irq_postinstall', this function's name, in a string
> +	DRM_DEBUG("via_driver_irq_postinstall\n");
> 
> Signed-off-by: Bernard Zhao <bernard@...o.com>
> ---
>  drivers/gpu/drm/via/via_irq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c
> index 24cc445169e2..56ce5d4ee24a 100644
> --- a/drivers/gpu/drm/via/via_irq.c
> +++ b/drivers/gpu/drm/via/via_irq.c
> @@ -308,7 +308,7 @@ int via_driver_irq_postinstall(struct drm_device *dev)
>  	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
>  	u32 status;
>  
> -	DRM_DEBUG("via_driver_irq_postinstall\n");
> +	DRM_DEBUG("fun: %s\n", __func__);

DRM_DEBUG() will print the name of the calling function so the use of
__func__ here is not relevant.


For this old driver we should try to limit patches to bug fixing and
infrastructure updates.

	Sam