Re: [PATCH linux-next] drm/imx: Use device_match_of_node()

From: Ahmad Fatoum
Date: Mon Nov 28 2022 - 04:03:33 EST


Hello,

On 17.11.22 08:11, ye.xingchen@xxxxxxxxxx wrote:
> From: ye xingchen <ye.xingchen@xxxxxxxxxx>
>
> Replace the open-code with device_match_of_node().

device_match_of_node() exists so a pointer to the function can be passed
to class/driver_find_device. I see no reason to call it directly.

I don't think you should pursue any patches, where you do this
transformation even if they pass a compile test unlike the patch here.

Thanks,
Ahmad

>
> Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx>
> ---
> drivers/gpu/drm/imx/imx-drm-core.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
> index e060fa6cbcb9..2e4f5af894b0 100644
> --- a/drivers/gpu/drm/imx/imx-drm-core.c
> +++ b/drivers/gpu/drm/imx/imx-drm-core.c
> @@ -182,7 +182,7 @@ static int compare_of(struct device *dev, void *data)
> if (strcmp(dev->driver->name, "imx-ipuv3-crtc") == 0) {
> struct ipu_client_platformdata *pdata = dev->platform_data;
>
> - return pdata->of_node == np;
> + return device_match_of_node(pdata, np);
> }
>
> /* Special case for LDB, one device for two channels */
> @@ -191,7 +191,7 @@ static int compare_of(struct device *dev, void *data)
> of_node_put(np);
> }
>
> - return dev->of_node == np;
> + return device_match_of_node(dev, np);
> }
>
> static int imx_drm_bind(struct device *dev)

--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |