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path: root/drivers/usb/host/uhci-grlib.c
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Diffstat (limited to 'drivers/usb/host/uhci-grlib.c')
-rw-r--r--drivers/usb/host/uhci-grlib.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/usb/host/uhci-grlib.c b/drivers/usb/host/uhci-grlib.c
index ab25dc397e8b..05f57ffdf9ab 100644
--- a/drivers/usb/host/uhci-grlib.c
+++ b/drivers/usb/host/uhci-grlib.c
@@ -17,6 +17,7 @@
* (C) Copyright 2004-2007 Alan Stern, stern@rowland.harvard.edu
*/
+#include <linux/device.h>
#include <linux/of_irq.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
@@ -113,24 +114,17 @@ static int uhci_hcd_grlib_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;
- 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__);
rv = -EBUSY;
- goto err_irq;
+ goto err_usb;
}
- 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;
+ hcd->regs = devm_ioremap_resource(&op->dev, &res);
+ if (IS_ERR(hcd->regs)) {
+ rv = PTR_ERR(hcd->regs);
+ goto err_irq;
}
uhci = hcd_to_uhci(hcd);
@@ -139,18 +133,14 @@ static int uhci_hcd_grlib_probe(struct platform_device *op)
rv = usb_add_hcd(hcd, irq, 0);
if (rv)
- goto err_uhci;
+ goto err_irq;
device_wakeup_enable(hcd->self.controller);
return 0;
-err_uhci:
- iounmap(hcd->regs);
-err_ioremap:
- irq_dispose_mapping(irq);
err_irq:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err_rmr:
+ irq_dispose_mapping(irq);
+err_usb:
usb_put_hcd(hcd);
return rv;
@@ -164,10 +154,7 @@ static int uhci_hcd_grlib_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);
return 0;