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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>
This commit is contained in:
Kishon Vijay Abraham I 2013-06-03 21:43:39 +05:30 committed by Felipe Balbi
parent b84a8dee23
commit 594daba1bc
1 changed files with 14 additions and 3 deletions
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17
drivers/usb/dwc3/dwc3-omap.c
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@ -347,7 +347,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
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 @@ static int dwc3_omap_probe(struct platform_device *pdev)
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 @@ static int dwc3_omap_probe(struct platform_device *pdev)
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)