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path: root/target/linux/generic/patches-3.7/801-usb-ehci-multiple-platform-driver-fix.patch
blob: e803044475ab0d8072415e63be4c1788599782bc (plain)
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--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1336,12 +1336,12 @@ MODULE_LICENSE ("GPL");
 
 #ifdef CONFIG_USB_EHCI_HCD_PLATFORM
 #include "ehci-platform.c"
-#define PLATFORM_DRIVER		ehci_platform_driver
+#define EHCI_PLATFORM_DRIVER	ehci_platform_driver
 #endif
 
 #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
     !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \
-    !defined(XILINX_OF_PLATFORM_DRIVER)
+    !defined(XILINX_OF_PLATFORM_DRIVER) && !defined(EHCI_PLATFORM_DRIVER)
 #error "missing bus glue for ehci-hcd"
 #endif
 
@@ -1401,8 +1401,19 @@ static int __init ehci_hcd_init(void)
 	if (retval < 0)
 		goto clean4;
 #endif
+
+#ifdef EHCI_PLATFORM_DRIVER
+	retval = platform_driver_register(&EHCI_PLATFORM_DRIVER);
+	if (retval < 0)
+		goto clean5;
+#endif
+
 	return retval;
 
+#ifdef EHCI_PLATFORM_DRIVER
+	platform_driver_unregister(&EHCI_PLATFORM_DRIVER);
+clean5:
+#endif
 #ifdef XILINX_OF_PLATFORM_DRIVER
 	/* platform_driver_unregister(&XILINX_OF_PLATFORM_DRIVER); */
 clean4:
@@ -1435,6 +1446,9 @@ module_init(ehci_hcd_init);
 
 static void __exit ehci_hcd_cleanup(void)
 {
+#ifdef EHCI_PLATFORM_DRIVER
+	platform_driver_unregister(&EHCI_PLATFORM_DRIVER);
+#endif
 #ifdef XILINX_OF_PLATFORM_DRIVER
 	platform_driver_unregister(&XILINX_OF_PLATFORM_DRIVER);
 #endif