From: Inki Dae <inki.dae@samsung.com>
Date: Thu, 3 Dec 2015 05:35:23 +0000 (+0900)
Subject: drm/exynos: dsi: modify a error type when getting a node failed
X-Git-Tag: v4.5-rc1~74^2~31^2~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1b256fa4cd2fc48fabff305dadc577938a49641c;p=platform%2Fkernel%2Flinux-exynos.git

drm/exynos: dsi: modify a error type when getting a node failed

This patch makes it to return -EINVAL instead of -ENXIO
when getting a port or remote node failed.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
---

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 7c3606a..a24bf8b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1735,13 +1735,13 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
 
 	ep = of_graph_get_next_endpoint(node, NULL);
 	if (!ep) {
-		ret = -ENXIO;
+		ret = -EINVAL;
 		goto end;
 	}
 
 	dsi->bridge_node = of_graph_get_remote_port_parent(ep);
 	if (!dsi->bridge_node) {
-		ret = -ENXIO;
+		ret = -EINVAL;
 		goto end;
 	}
 end: