diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-12-11 16:18:53 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-18 16:33:47 -0800 |
| commit | 7667fe69e743c338bb121678dd14f1dc3ae27acb (patch) | |
| tree | 02d6f0008562136882119764aae9ea7a1cda10c4 /drivers/usb/host/ehci-fsl.c | |
| parent | 806f6e6b92d8f1bf303198a3e78cf1ff99bd5c0e (diff) | |
| download | linux-7667fe69e743c338bb121678dd14f1dc3ae27acb.tar.bz2 | |
USB: ehci-fsl: 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/ehci-fsl.c')
| -rw-r--r-- | drivers/usb/host/ehci-fsl.c | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 7cd23b6cff6a..6f2c8d3899d2 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -102,19 +102,11 @@ static int usb_hcd_fsl_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, - driver->description)) { - dev_dbg(&pdev->dev, "controller already in use\n"); - 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) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - retval = -EFAULT; - goto err3; - } pdata->regs = hcd->regs; @@ -126,7 +118,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver, */ if (pdata->init && pdata->init(pdev)) { retval = -ENODEV; - goto err4; + goto err2; } /* Enable USB controller, 83xx or 8536 */ @@ -137,7 +129,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver, retval = usb_add_hcd(hcd, irq, IRQF_SHARED); if (retval != 0) - goto err4; + goto err2; device_wakeup_enable(hcd->self.controller); #ifdef CONFIG_USB_OTG @@ -153,21 +145,17 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver, &ehci_to_hcd(ehci)->self); if (retval) { usb_put_phy(hcd->phy); - goto err4; + goto err2; } } else { dev_err(&pdev->dev, "can't find phy\n"); retval = -ENODEV; - goto err4; + goto err2; } } #endif return retval; - err4: - iounmap(hcd->regs); - err3: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); err2: usb_put_hcd(hcd); err1: @@ -206,8 +194,6 @@ static void usb_hcd_fsl_remove(struct usb_hcd *hcd, */ if (pdata->exit) pdata->exit(pdev); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); } |