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path: root/drivers/usb/host/ehci-w90x900.c
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Diffstat (limited to 'drivers/usb/host/ehci-w90x900.c')
-rw-r--r--drivers/usb/host/ehci-w90x900.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c
index cdad8438c02b..a9303aff125e 100644
--- a/drivers/usb/host/ehci-w90x900.c
+++ b/drivers/usb/host/ehci-w90x900.c
@@ -58,17 +58,12 @@ static int usb_w90x900_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, hcd_name)) {
- 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) {
- retval = -EFAULT;
- goto err3;
- }
-
ehci = hcd_to_ehci(hcd);
ehci->caps = hcd->regs;
ehci->regs = hcd->regs +
@@ -88,17 +83,14 @@ static int usb_w90x900_probe(const struct hc_driver *driver,
irq = platform_get_irq(pdev, 0);
if (irq < 0)
- goto err4;
+ goto err2;
retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (retval != 0)
- goto err4;
+ goto err2;
+ device_wakeup_enable(hcd->self.controller);
return retval;
-err4:
- iounmap(hcd->regs);
-err3:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
err2:
usb_put_hcd(hcd);
err1:
@@ -109,8 +101,6 @@ static void usb_w90x900_remove(struct usb_hcd *hcd,
struct platform_device *pdev)
{
usb_remove_hcd(hcd);
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
}