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usb: cdns3: core: removed overwriting some error code

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Some error code can be preserved, so we can remove overwriting
error code returned by some functions.

Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
Pawel Laszczak 2020-07-13 12:05:53 +02:00 committed by Felipe Balbi
parent 5c2cf30f14
commit f41ca26b8b
1 changed files with 2 additions and 6 deletions
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8
drivers/usb/cdns3/core.c
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@ -347,7 +347,6 @@ static int cdns3_role_set(struct usb_role_switch *sw, enum usb_role role)
case USB_ROLE_HOST:
break;
default:
ret = -EPERM;
goto pm_put;
}
}
@ -358,17 +357,14 @@ static int cdns3_role_set(struct usb_role_switch *sw, enum usb_role role)
case USB_ROLE_DEVICE:
break;
default:
ret = -EPERM;
goto pm_put;
}
}
cdns3_role_stop(cdns);
ret = cdns3_role_start(cdns, role);
if (ret) {
if (ret)
dev_err(cdns->dev, "set role %d has failed\n", role);
ret = -EPERM;
}
pm_put:
pm_runtime_put_sync(cdns->dev);
@ -393,7 +389,7 @@ static int cdns3_probe(struct platform_device *pdev)
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
if (ret) {
dev_err(dev, "error setting dma mask: %d\n", ret);
return -ENODEV;
return ret;
}
cdns = devm_kzalloc(dev, sizeof(*cdns), GFP_KERNEL);