diff options
| author | Boris BREZILLON <b.brezillon@overkiz.com> | 2013-12-09 09:51:53 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-18 16:30:36 -0800 |
| commit | cca2bbb3083de44394cabe7b3e9937d44bcc8e19 (patch) | |
| tree | cd9e6204aa642c132c8a032a404495ad9e5f3133 /drivers/usb/host/ohci-at91.c | |
| parent | 4d90b819ae4c7ea8fd5e2bb7edc68c0f334be2e4 (diff) | |
usb: ohci-at91: replace request_mem_region + ioremap by devm_ioremap_resource
Replace the request_mem_region + ioremap calls by the
devm_ioremap_resource call which does the same things but with device
managed resources.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ohci-at91.c')
| -rw-r--r-- | drivers/usb/host/ohci-at91.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 29d2093e3cee..a0153279f36a 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -154,24 +154,17 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, hcd->rsrc_start = pdev->resource[0].start; hcd->rsrc_len = resource_size(&pdev->resource[0]); - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - pr_debug("request_mem_region failed\n"); - retval = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - pr_debug("ioremap failed\n"); - retval = -EIO; - goto err2; + hcd->regs = devm_ioremap_resource(dev, res); + if (IS_ERR(hcd->regs)) { + retval = PTR_ERR(hcd->regs); + goto err; } iclk = clk_get(&pdev->dev, "ohci_clk"); if (IS_ERR(iclk)) { dev_err(&pdev->dev, "failed to get ohci_clk\n"); retval = PTR_ERR(iclk); - goto err3; + goto err; } fclk = clk_get(&pdev->dev, "uhpck"); if (IS_ERR(fclk)) { @@ -217,13 +210,7 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, err4: clk_put(iclk); - err3: - iounmap(hcd->regs); - - err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - - err1: + err: usb_put_hcd(hcd); return retval; } @@ -246,8 +233,6 @@ static void usb_hcd_at91_remove(struct usb_hcd *hcd, { usb_remove_hcd(hcd); at91_stop_hc(pdev); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); if (IS_ENABLED(CONFIG_COMMON_CLK)) |