OHCI drivers are supposed to use ohci_finish_controller_resume(). This patch
adds respective suspend and resume code to ohci-nxp. The following compiler
warning is fixed this way:
drivers/usb/host/ohci-hub.c:321: warning: 'ohci_finish_controller_resume'
defined but not used
Signed-off-by: Roland Stigge <stigge@xxxxxxxxx>
---
Applies to v3.5-rc1
drivers/usb/host/ohci-nxp.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
--- linux-2.6.orig/drivers/usb/host/ohci-nxp.c
+++ linux-2.6/drivers/usb/host/ohci-nxp.c
@@ -432,6 +432,23 @@ static int usb_hcd_nxp_remove(struct pla
return 0;
}
+#ifdef CONFIG_PM
+static int usb_hcd_suspend(struct platform_device *pdev, pm_message_t message)
+{
+ clk_disable(usb_clk);
+ return 0;
+}
+
+static int usb_hcd_resume(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+ clk_enable(usb_clk);
+ ohci_finish_controller_resume(hcd);
+ return 0;
+}
+#endif
+
/* work with hotplug and coldplug */
MODULE_ALIAS("platform:usb-ohci");
@@ -451,5 +468,9 @@ static struct platform_driver usb_hcd_nx
},
.probe = usb_hcd_nxp_probe,
.remove = usb_hcd_nxp_remove,
+#ifdef CONFIG_PM
+ .suspend = usb_hcd_suspend,
+ .resume = usb_hcd_resume,
+#endif
};
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