drm/msm/dsi: print error code when MIPI DSI host registration fails

In order to ease debugging of DSI host registration issues, print return
code of dsi_mgr_setup_components().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index cd01657..4df5def 100644 (file)
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -817,8 +817,8 @@ int msm_dsi_manager_register(struct msm_dsi *msm_dsi)
 
        ret = dsi_mgr_setup_components(id);
        if (ret) {
-               pr_err("%s: failed to register mipi dsi host for DSI %d\n",
-                       __func__, id);
+               pr_err("%s: failed to register mipi dsi host for DSI %d: %d\n",
+                       __func__, id, ret);
                goto fail;
        }