[PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again

[Neil Armstrong]

On 09/03/2023 16:24, Marek Szyprowski wrote:
> devm_regulator_get_enable_optional() returns -ENODEV if requested
> optional regulator is not present. Adjust code for that, because in the
> 67d0a30128c9 I've incorrectly assumed that it also returns 0 when
> regulator is not present.
> 
> Reported-by: Ricardo Cañuelo <ricardo.canuelo at collabora.com>
> Fixes: 67d0a30128c9 ("drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion")
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> ---
>   drivers/gpu/drm/meson/meson_dw_hdmi.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> index 534621a13a34..3d046878ce6c 100644
> --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
> +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> @@ -718,7 +718,7 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
>   	dw_plat_data = &meson_dw_hdmi->dw_plat_data;
>   
>   	ret = devm_regulator_get_enable_optional(dev, "hdmi");
> -	if (ret < 0)
> +	if (ret < 0 && ret != -ENODEV)
>   		return ret;
>   
>   	meson_dw_hdmi->hdmitx_apb = devm_reset_control_get_exclusive(dev,

I'll need to wait until v6.3-rc1 is backmerged into drm-misc-fixes to apply it.

Thanks,
Neil