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[ARM] 5526/1: ep93xx: usb driver cleanup

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Cleanup the ohci-ep93xx driver.

1) Use the usb.h dbg() macro instead of pr_debug() so that
   the source filename is prefixed to the message and it is
   terminated with a linefeed.

2) Add error handling for the clk_get() call.

3) Update clkdev support so that the usb clock is matched by
   the dev_id instead of the con_id.

Signed-off-by: H Hartley Sweeten <[email protected]>
Signed-off-by: Russell King <[email protected]>
This commit is contained in:
Hartley Sweeten 2009-05-28 19:56:11 +01:00 • committed by Russell King
commit e3a6d01932
2 changed files with 11 additions and 4 deletions
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13
drivers/usb/host/ohci-ep93xx.c
View file

@ -47,7 +47,7 @@ static int usb_hcd_ep93xx_probe(const struct hc_driver *driver,
struct usb_hcd *hcd;
if (pdev->resource[1].flags != IORESOURCE_IRQ) {
pr_debug("resource[1] is not IORESOURCE_IRQ");
dbg("resource[1] is not IORESOURCE_IRQ");
return -ENOMEM;
}
@ -65,12 +65,18 @@ static int usb_hcd_ep93xx_probe(const struct hc_driver *driver,
hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
if (hcd->regs == NULL) {
pr_debug("ioremap failed");
dbg("ioremap failed");
retval = -ENOMEM;
goto err2;
}
usb_host_clock = clk_get(&pdev->dev, "usb_host");
usb_host_clock = clk_get(&pdev->dev, NULL);
if (IS_ERR(usb_host_clock)) {
dbg("clk_get failed");
retval = PTR_ERR(usb_host_clock);
goto err3;
}
ep93xx_start_hc(&pdev->dev);
ohci_hcd_init(hcd_to_ohci(hcd));
@ -80,6 +86,7 @@ static int usb_hcd_ep93xx_probe(const struct hc_driver *driver,
return retval;
ep93xx_stop_hc(&pdev->dev);
err3:
iounmap(hcd->regs);
err2:
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);