Re: [PATCH v4] drm/exynos/dsi: Remove error handling for bridge_node DT parsing

[Hoegeun Kwon]

Hi Inki,

Could you check this patch? :D

Best regards,
Hoegeun

On 06/21/2017 07:51 PM, Hoegeun Kwon wrote:
> Remove the error handling of bridge_node because the bridge_node is
> optional.
>
> For example, In case of Exynos SoC, a bridge device such as mDNIe and
> MIC could be placed between Display Controller and MIPI DSI device but
> the bridge device is optional.
>
> Signed-off-by: Hoegeun Kwon <hoegeun.kwon@xxxxxxxxxxx>
> ---
>
> Hi all,
>
> Thanks for Krzysztof's advice.
>
> Changes for V4:
> - Fixed the word('optional') from commit message.
>
> Changes for V3:
> - Removed the word('required') from commit message.
>
> Changes for V2:
> - Modified the commit message in more detail than before.
>
> Best regards,
> Hoegeun
>
>   drivers/gpu/drm/exynos/exynos_drm_dsi.c | 2 --
>   1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> index a11b795..6ee0dac 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> @@ -1651,8 +1651,6 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
>   		return ret;
>   
>   	dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
> -	if (!dsi->bridge_node)
> -		return -EINVAL;
>   
>   	return 0;
>   }