diff options
Diffstat (limited to 'payloads/libpayload/drivers')
| -rw-r--r-- | payloads/libpayload/drivers/usb/ohci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/usb/ohci.c b/payloads/libpayload/drivers/usb/ohci.c index 8a01cf24fb..606e46791e 100644 --- a/payloads/libpayload/drivers/usb/ohci.c +++ b/payloads/libpayload/drivers/usb/ohci.c @@ -49,6 +49,13 @@ static void ohci_process_done_queue(ohci_t *ohci, int spew_debug); static void ohci_reset (hci_t *controller) { + if (controller == NULL) + return; + + OHCI_INST(controller)->opreg->HcCommandStatus = HostControllerReset; + mdelay(2); /* wait 2ms */ + OCHI_INST(controller)->opreg->HcControl = 0; + mdelay(10); /* wait 10ms */ } #ifdef USB_DEBUG |