Re: [PATCH v2 2/2] drm/panthor: skip regulator setup if no such prop

[Boris Brezillon <boris.brezillon@collabora.com>]

On Sun, 28 Sep 2025 17:03:34 +0800
Rain Yang <jiyu.yang@oss.nxp.com> wrote:

> From: Rain Yang <jiyu.yang@nxp.com>
> 
> The regulator is optional, skip the setup instead of returning an
> error if it is not present
> 
> Signed-off-by: Rain Yang <jiyu.yang@nxp.com>

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>

> ---
>  drivers/gpu/drm/panthor/panthor_devfreq.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panthor/panthor_devfreq.c b/drivers/gpu/drm/panthor/panthor_devfreq.c
> index 3686515d368d..2df1d76d84a0 100644
> --- a/drivers/gpu/drm/panthor/panthor_devfreq.c
> +++ b/drivers/gpu/drm/panthor/panthor_devfreq.c
> @@ -146,10 +146,9 @@ int panthor_devfreq_init(struct panthor_device *ptdev)
>  	ptdev->devfreq = pdevfreq;
>  
>  	ret = devm_pm_opp_set_regulators(dev, reg_names);
> -	if (ret) {
> +	if (ret && ret != -ENODEV) {
>  		if (ret != -EPROBE_DEFER)
>  			DRM_DEV_ERROR(dev, "Couldn't set OPP regulators\n");
> -
>  		return ret;
>  	}
>