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path: root/drivers/usb/host/ohci-ppc-of.c
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Diffstat (limited to 'drivers/usb/host/ohci-ppc-of.c')
-rw-r--r--drivers/usb/host/ohci-ppc-of.c28
1 files changed, 9 insertions, 19 deletions
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 81f3eba215c1..965e3e9e688a 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -115,24 +115,18 @@ static int ohci_hcd_ppc_of_probe(struct platform_device *op)
hcd->rsrc_start = res.start;
hcd->rsrc_len = resource_size(&res);
- if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
- printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
- rv = -EBUSY;
+ hcd->regs = devm_ioremap_resource(&op->dev, &res);
+ if (IS_ERR(hcd->regs)) {
+ rv = PTR_ERR(hcd->regs);
goto err_rmr;
}
irq = irq_of_parse_and_map(dn, 0);
if (irq == NO_IRQ) {
- printk(KERN_ERR "%s: irq_of_parse_and_map failed\n", __FILE__);
+ dev_err(&op->dev, "%s: irq_of_parse_and_map failed\n",
+ __FILE__);
rv = -EBUSY;
- goto err_irq;
- }
-
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
- if (!hcd->regs) {
- printk(KERN_ERR "%s: ioremap failed\n", __FILE__);
- rv = -ENOMEM;
- goto err_ioremap;
+ goto err_rmr;
}
ohci = hcd_to_ohci(hcd);
@@ -147,8 +141,10 @@ static int ohci_hcd_ppc_of_probe(struct platform_device *op)
ohci_hcd_init(ohci);
rv = usb_add_hcd(hcd, irq, 0);
- if (rv == 0)
+ if (rv == 0) {
+ device_wakeup_enable(hcd->self.controller);
return 0;
+ }
/* by now, 440epx is known to show usb_23 erratum */
np = of_find_compatible_node(NULL, NULL, "ibm,usb-ehci-440epx");
@@ -174,11 +170,7 @@ static int ohci_hcd_ppc_of_probe(struct platform_device *op)
pr_debug("%s: cannot get ehci offset from fdt\n", __FILE__);
}
- iounmap(hcd->regs);
-err_ioremap:
irq_dispose_mapping(irq);
-err_irq:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
err_rmr:
usb_put_hcd(hcd);
@@ -193,9 +185,7 @@ static int ohci_hcd_ppc_of_remove(struct platform_device *op)
usb_remove_hcd(hcd);
- iounmap(hcd->regs);
irq_dispose_mapping(hcd->irq);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);