diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-12-11 11:28:23 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-19 04:36:10 +0400 |
| commit | 3e2e714e7d6cf85ec799f6b1105972f7962f3c80 (patch) | |
| tree | 7dd8d319abfe97f1b73917e0fcbd287158411b34 /drivers/usb/host/ohci-ppc-of.c | |
| parent | ac8d81f36c93315a3819105a2701b5a5112e218b (diff) | |
| download | linux-3e2e714e7d6cf85ec799f6b1105972f7962f3c80.tar.xz | |
USB: ohci-ppc-of: Use devm_ioremap_resource()
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>
Diffstat (limited to 'drivers/usb/host/ohci-ppc-of.c')
| -rw-r--r-- | drivers/usb/host/ohci-ppc-of.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c index 2ee178705f87..965e3e9e688a 100644 --- a/drivers/usb/host/ohci-ppc-of.c +++ b/drivers/usb/host/ohci-ppc-of.c @@ -115,10 +115,9 @@ 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)) { - dev_err(&op->dev, "%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; } @@ -127,14 +126,7 @@ static int ohci_hcd_ppc_of_probe(struct platform_device *op) 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) { - dev_err(&op->dev, "%s: ioremap failed\n", __FILE__); - rv = -ENOMEM; - goto err_ioremap; + goto err_rmr; } ohci = hcd_to_ohci(hcd); @@ -178,11 +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); @@ -197,9 +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); |