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usb: ohci-ep93xx: use devm_clk_get() 

Use devm_clk_get() to make the code a bit cleaner and simpler.

This also fixes a bug where a clk_put() is not done if usb_add_hcd()
fails.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-07-01 15:52:59 -07:00 committed by Greg Kroah-Hartman
parent 8fb35f2d31
commit 09ae8e7ead
1 changed files with 1 additions and 3 deletions
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4
drivers/usb/host/ohci-ep93xx.c
View File

@ -69,9 +69,8 @@ static int usb_hcd_ep93xx_probe(const struct hc_driver *driver,
goto err_put_hcd; goto err_put_hcd;
} }
usb_host_clock = clk_get(&pdev->dev, NULL); usb_host_clock = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(usb_host_clock)) { if (IS_ERR(usb_host_clock)) {
dev_dbg(&pdev->dev, "clk_get failed\n");
retval = PTR_ERR(usb_host_clock); retval = PTR_ERR(usb_host_clock);
goto err_put_hcd; goto err_put_hcd;
} }
@ -96,7 +95,6 @@ static void usb_hcd_ep93xx_remove(struct usb_hcd *hcd,
{ {
usb_remove_hcd(hcd); usb_remove_hcd(hcd);
ep93xx_stop_hc(&pdev->dev); ep93xx_stop_hc(&pdev->dev);
clk_put(usb_host_clock);
usb_put_hcd(hcd); usb_put_hcd(hcd);
} }