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authorJingoo Han2013-12-11 16:27:17 +0900
committerGreg Kroah-Hartman2013-12-18 16:36:11 -0800
commit81574fc65f67ca5948ee80af0ec030a20a802dd3 (patch)
tree491e40c5b4caebe6972fd6f281413f744185336c
parent09796be19a7ff45aef763d3bb01053be8cdb915a (diff)
USB: ohci-octeon: Use devm_ioremap_resource()
Use devm_ioremap_resource() to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: David Daney <david.daney@cavium.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/host/ohci-octeon.c23
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/usb/host/ohci-octeon.c b/drivers/usb/host/ohci-octeon.c
index 49b220dc2f9b..15af8954085e 100644
--- a/drivers/usb/host/ohci-octeon.c
+++ b/drivers/usb/host/ohci-octeon.c
@@ -138,20 +138,12 @@ static int ohci_octeon_drv_probe(struct platform_device *pdev)
hcd->rsrc_start = res_mem->start;
hcd->rsrc_len = resource_size(res_mem);
- if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
- OCTEON_OHCI_HCD_NAME)) {
- dev_err(&pdev->dev, "request_mem_region failed\n");
- ret = -EBUSY;
+ reg_base = devm_ioremap_resource(&pdev->dev, res_mem);
+ if (IS_ERR(reg_base)) {
+ ret = PTR_ERR(reg_base);
goto err1;
}
- reg_base = ioremap(hcd->rsrc_start, hcd->rsrc_len);
- if (!reg_base) {
- dev_err(&pdev->dev, "ioremap failed\n");
- ret = -ENOMEM;
- goto err2;
- }
-
ohci_octeon_hw_start();
hcd->regs = reg_base;
@@ -168,7 +160,7 @@ static int ohci_octeon_drv_probe(struct platform_device *pdev)
ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (ret) {
dev_dbg(&pdev->dev, "failed to add hcd with err %d\n", ret);
- goto err3;
+ goto err2;
}
device_wakeup_enable(hcd->self.controller);
@@ -177,12 +169,9 @@ static int ohci_octeon_drv_probe(struct platform_device *pdev)
return 0;
-err3:
+err2:
ohci_octeon_hw_stop();
- iounmap(hcd->regs);
-err2:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
err1:
usb_put_hcd(hcd);
return ret;
@@ -195,8 +184,6 @@ static int ohci_octeon_drv_remove(struct platform_device *pdev)
usb_remove_hcd(hcd);
ohci_octeon_hw_stop();
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
return 0;