USB: add ehci-ppc-of bus glue (device-tree aware)
This adds device-tree-aware ehci-ppc-of driver.
The code is based on the ehci-ppc-soc driver by
Stefan Roese <sr@denx.de>.
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 7c5c879..53fc97f 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -993,11 +993,16 @@
#define PS3_SYSTEM_BUS_DRIVER ps3_ehci_driver
#endif
-#ifdef CONFIG_440EPX
+#if defined(CONFIG_440EPX) && !defined(CONFIG_PPC_MERGE)
#include "ehci-ppc-soc.c"
#define PLATFORM_DRIVER ehci_ppc_soc_driver
#endif
+#ifdef CONFIG_USB_EHCI_HCD_PPC_OF
+#include "ehci-ppc-of.c"
+#define OF_PLATFORM_DRIVER ehci_hcd_ppc_of_driver
+#endif
+
#ifdef CONFIG_ARCH_ORION
#include "ehci-orion.c"
#define PLATFORM_DRIVER ehci_orion_driver
@@ -1025,52 +1030,58 @@
#ifdef PLATFORM_DRIVER
retval = platform_driver_register(&PLATFORM_DRIVER);
- if (retval < 0) {
-#ifdef DEBUG
- debugfs_remove(ehci_debug_root);
- ehci_debug_root = NULL;
-#endif
- return retval;
- }
+ if (retval < 0)
+ goto clean0;
#endif
#ifdef PCI_DRIVER
retval = pci_register_driver(&PCI_DRIVER);
- if (retval < 0) {
-#ifdef DEBUG
- debugfs_remove(ehci_debug_root);
- ehci_debug_root = NULL;
-#endif
-#ifdef PLATFORM_DRIVER
- platform_driver_unregister(&PLATFORM_DRIVER);
-#endif
- return retval;
- }
+ if (retval < 0)
+ goto clean1;
#endif
#ifdef PS3_SYSTEM_BUS_DRIVER
retval = ps3_ehci_driver_register(&PS3_SYSTEM_BUS_DRIVER);
- if (retval < 0) {
-#ifdef DEBUG
- debugfs_remove(ehci_debug_root);
- ehci_debug_root = NULL;
-#endif
-#ifdef PLATFORM_DRIVER
- platform_driver_unregister(&PLATFORM_DRIVER);
-#endif
-#ifdef PCI_DRIVER
- pci_unregister_driver(&PCI_DRIVER);
-#endif
- return retval;
- }
+ if (retval < 0)
+ goto clean2;
#endif
+#ifdef OF_PLATFORM_DRIVER
+ retval = of_register_platform_driver(&OF_PLATFORM_DRIVER);
+ if (retval < 0)
+ goto clean3;
+#endif
+ return retval;
+
+#ifdef OF_PLATFORM_DRIVER
+ /* of_unregister_platform_driver(&OF_PLATFORM_DRIVER); */
+clean3:
+#endif
+#ifdef PS3_SYSTEM_BUS_DRIVER
+ ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
+clean2:
+#endif
+#ifdef PCI_DRIVER
+ pci_unregister_driver(&PCI_DRIVER);
+clean1:
+#endif
+#ifdef PLATFORM_DRIVER
+ platform_driver_unregister(&PLATFORM_DRIVER);
+clean0:
+#endif
+#ifdef DEBUG
+ debugfs_remove(ehci_debug_root);
+ ehci_debug_root = NULL;
+#endif
return retval;
}
module_init(ehci_hcd_init);
static void __exit ehci_hcd_cleanup(void)
{
+#ifdef OF_PLATFORM_DRIVER
+ of_unregister_platform_driver(&OF_PLATFORM_DRIVER);
+#endif
#ifdef PLATFORM_DRIVER
platform_driver_unregister(&PLATFORM_DRIVER);
#endif