usb: dwc3: omap: improve error handling of dwc3_omap_probe
Improved the error handling of dwc3_omap_probe so that on error
conditions dwc3_omap is left in the original state.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 34638b9..f8f76e6 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -347,7 +347,7 @@
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
dev_err(dev, "get_sync failed with err %d\n", ret);
- return ret;
+ goto err0;
}
reg = dwc3_omap_readl(omap->base, USBOTGSS_UTMI_OTG_STATUS);
@@ -376,7 +376,7 @@
if (ret) {
dev_err(dev, "failed to request IRQ #%d --> %d\n",
omap->irq, ret);
- return ret;
+ goto err1;
}
dwc3_omap_enable_irqs(omap);
@@ -384,10 +384,21 @@
ret = of_platform_populate(node, NULL, NULL, dev);
if (ret) {
dev_err(&pdev->dev, "failed to create dwc3 core\n");
- return ret;
+ goto err2;
}
return 0;
+
+err2:
+ dwc3_omap_disable_irqs(omap);
+
+err1:
+ pm_runtime_put_sync(dev);
+
+err0:
+ pm_runtime_disable(dev);
+
+ return ret;
}
static int dwc3_omap_remove(struct platform_device *pdev)