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path: root/drivers/usb/host/ohci-omap.c
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Diffstat (limited to 'drivers/usb/host/ohci-omap.c')
-rw-r--r--drivers/usb/host/ohci-omap.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 069791d25abb..f5bc9c8bdc9a 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -259,6 +259,10 @@ static int ohci_hcd_omap_probe(struct platform_device *pdev)
goto err_put_hcd;
}
+ retval = clk_prepare(priv->usb_host_ck);
+ if (retval)
+ goto err_put_host_ck;
+
if (!cpu_is_omap15xx())
priv->usb_dc_ck = clk_get(&pdev->dev, "usb_dc_ck");
else
@@ -266,13 +270,17 @@ static int ohci_hcd_omap_probe(struct platform_device *pdev)
if (IS_ERR(priv->usb_dc_ck)) {
retval = PTR_ERR(priv->usb_dc_ck);
- goto err_put_host_ck;
+ goto err_unprepare_host_ck;
}
+ retval = clk_prepare(priv->usb_dc_ck);
+ if (retval)
+ goto err_put_dc_ck;
+
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_dbg(&pdev->dev, "request_mem_region failed\n");
retval = -EBUSY;
- goto err_put_dc_ck;
+ goto err_unprepare_dc_ck;
}
hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
@@ -297,8 +305,12 @@ err3:
iounmap(hcd->regs);
err2:
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err_unprepare_dc_ck:
+ clk_unprepare(priv->usb_dc_ck);
err_put_dc_ck:
clk_put(priv->usb_dc_ck);
+err_unprepare_host_ck:
+ clk_unprepare(priv->usb_host_ck);
err_put_host_ck:
clk_put(priv->usb_host_ck);
err_put_hcd:
@@ -333,7 +345,9 @@ static int ohci_hcd_omap_remove(struct platform_device *pdev)
}
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+ clk_unprepare(priv->usb_dc_ck);
clk_put(priv->usb_dc_ck);
+ clk_unprepare(priv->usb_host_ck);
clk_put(priv->usb_host_ck);
usb_put_hcd(hcd);
return 0;