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USB: ehci-fsl: Use devm_ioremap_resource()

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Use devm_ioremap_resource() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jingoo Han 2013-12-11 16:18:53 +09:00 committed by Greg Kroah-Hartman
parent 806f6e6b92
commit 7667fe69e7
1 changed files with 7 additions and 21 deletions
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28
drivers/usb/host/ehci-fsl.c
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@ -102,19 +102,11 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
}
hcd->rsrc_start = res->start;
hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
driver->description)) {
dev_dbg(&pdev->dev, "controller already in use\n");
retval = -EBUSY;
hcd->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(hcd->regs)) {
retval = PTR_ERR(hcd->regs);
goto err2;
}
hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
if (hcd->regs == NULL) {
dev_dbg(&pdev->dev, "error mapping memory\n");
retval = -EFAULT;
goto err3;
}
pdata->regs = hcd->regs;
@ -126,7 +118,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
*/
if (pdata->init && pdata->init(pdev)) {
retval = -ENODEV;
goto err4;
goto err2;
}
/* Enable USB controller, 83xx or 8536 */
@ -137,7 +129,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (retval != 0)
goto err4;
goto err2;
device_wakeup_enable(hcd->self.controller);
#ifdef CONFIG_USB_OTG
@ -153,21 +145,17 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
&ehci_to_hcd(ehci)->self);
if (retval) {
usb_put_phy(hcd->phy);
goto err4;
goto err2;
}
} else {
dev_err(&pdev->dev, "can't find phy\n");
retval = -ENODEV;
goto err4;
goto err2;
}
}
#endif
return retval;
err4:
iounmap(hcd->regs);
err3:
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
err2:
usb_put_hcd(hcd);
err1:
@ -206,8 +194,6 @@ static void usb_hcd_fsl_remove(struct usb_hcd *hcd,
*/
if (pdata->exit)
pdata->exit(pdev);
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
}