bus: imx-weim: improve error handling upon child probe-failure
Probe all children of the WEIM node, reporting any failures. Report
failure from parsing of WEIM node itself if probes of all children fail.
Signed-off-by: Alison Chaiken <alison_chaiken@mentor.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c
index 0958b69..e98d15e 100644
--- a/drivers/bus/imx-weim.c
+++ b/drivers/bus/imx-weim.c
@@ -142,7 +142,7 @@
&pdev->dev);
const struct imx_weim_devtype *devtype = of_id->data;
struct device_node *child;
- int ret;
+ int ret, have_child = 0;
if (devtype == &imx50_weim_devtype) {
ret = imx_weim_gpr_setup(pdev);
@@ -155,14 +155,15 @@
continue;
ret = weim_timing_setup(child, base, devtype);
- if (ret) {
- dev_err(&pdev->dev, "%s set timing failed.\n",
+ if (ret)
+ dev_warn(&pdev->dev, "%s set timing failed.\n",
child->full_name);
- return ret;
- }
+ else
+ have_child = 1;
}
- ret = of_platform_populate(pdev->dev.of_node,
+ if (have_child)
+ ret = of_platform_populate(pdev->dev.of_node,
of_default_bus_match_table,
NULL, &pdev->dev);
if (ret)