ohci: Add support for OHCI controller on the of_platform bus
PPC embedded systems can have a ohci controller builtin. In the
new model, it will end up as a driver on the of_platform bus,
this patches takes care of them.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 3f80003..8baecbd 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -914,8 +914,14 @@
#endif
+#ifdef CONFIG_USB_OHCI_HCD_PPC_OF
+#include "ohci-ppc-of.c"
+#define OF_PLATFORM_DRIVER ohci_hcd_ppc_of_driver
+#endif
+
#if !defined(PCI_DRIVER) && \
!defined(PLATFORM_DRIVER) && \
+ !defined(OF_PLATFORM_DRIVER) && \
!defined(SA1111_DRIVER)
#error "missing bus glue for ohci-hcd"
#endif
@@ -939,6 +945,13 @@
ls++;
#endif
+#ifdef OF_PLATFORM_DRIVER
+ retval = of_register_platform_driver(&OF_PLATFORM_DRIVER);
+ if (retval < 0)
+ goto error;
+ ls++;
+#endif
+
#ifdef SA1111_DRIVER
retval = sa1111_driver_register(&SA1111_DRIVER);
if (retval < 0)
@@ -961,6 +974,10 @@
if (ls--)
platform_driver_unregister(&PLATFORM_DRIVER);
#endif
+#ifdef OF_PLATFORM_DRIVER
+ if (ls--)
+ of_unregister_platform_driver(&OF_PLATFORM_DRIVER);
+#endif
#ifdef SA1111_DRIVER
if (ls--)
sa1111_driver_unregister(&SA1111_DRIVER);
@@ -977,6 +994,9 @@
#ifdef SA1111_DRIVER
sa1111_driver_unregister(&SA1111_DRIVER);
#endif
+#ifdef OF_PLATFORM_DRIVER
+ of_unregister_platform_driver(&OF_PLATFORM_DRIVER);
+#endif
#ifdef PLATFORM_DRIVER
platform_driver_unregister(&PLATFORM_DRIVER);
#endif