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 (file)
--- 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: