USB: ohci: add support for tmio-ohci cell

Some Toshiba Mobile I/O chips have OHCI controller built in.
E.g. the tc6393xb chip found in several Toshiba e-Series PDAs
and in Sharp Zaurus SL-6000 PDA. This adds platform glue
to support OHCI function of the chip.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Ian Molton <spyro@f2s.com>
Cc: Ian Molton <spyro@f2s.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 8647dab0d7f9..8aa3f4556a32 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1075,12 +1075,18 @@ MODULE_LICENSE ("GPL");
 #define SM501_OHCI_DRIVER       ohci_hcd_sm501_driver
 #endif
 
+#ifdef CONFIG_MFD_TC6393XB
+#include "ohci-tmio.c"
+#define TMIO_OHCI_DRIVER        ohci_hcd_tmio_driver
+#endif
+
 #if     !defined(PCI_DRIVER) &&         \
         !defined(PLATFORM_DRIVER) &&    \
         !defined(OF_PLATFORM_DRIVER) && \
         !defined(SA1111_DRIVER) &&      \
         !defined(PS3_SYSTEM_BUS_DRIVER) && \
         !defined(SM501_OHCI_DRIVER) && \
+        !defined(TMIO_OHCI_DRIVER) && \
         !defined(SSB_OHCI_DRIVER)
 #error "missing bus glue for ohci-hcd"
 #endif
@@ -1147,13 +1153,25 @@ static int __init ohci_hcd_mod_init(void)
                 goto error_sm501;
 #endif
 
+#ifdef TMIO_OHCI_DRIVER
+        retval = platform_driver_register(&TMIO_OHCI_DRIVER);
+        if (retval < 0)
+                goto error_tmio;
+#endif
+
         return retval;
 
         /* Error path */
+#ifdef TMIO_OHCI_DRIVER
+        platform_driver_unregister(&TMIO_OHCI_DRIVER);
+ error_tmio:
+#endif
 #ifdef SM501_OHCI_DRIVER
+        platform_driver_unregister(&SM501_OHCI_DRIVER);
  error_sm501:
 #endif
 #ifdef SSB_OHCI_DRIVER
+        ssb_driver_unregister(&SSB_OHCI_DRIVER);
  error_ssb:
 #endif
 #ifdef PCI_DRIVER
@@ -1189,6 +1207,9 @@ module_init(ohci_hcd_mod_init);
 
 static void __exit ohci_hcd_mod_exit(void)
 {
+#ifdef TMIO_OHCI_DRIVER
+        platform_driver_unregister(&TMIO_OHCI_DRIVER);
+#endif
 #ifdef SM501_OHCI_DRIVER
         platform_driver_unregister(&SM501_OHCI_DRIVER);
 #endif