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uhci: set the link pointer terminate bit in the last TD in a queue.

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This commit is contained in:
Martin Whitaker 2022-04-07 17:43:39 +01:00
parent 6cfb7e7e83
commit 75bc6822f8
1 changed files with 5 additions and 1 deletions
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6
system/uhci.c
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@ -252,7 +252,11 @@ static void build_uhci_td(uhci_td_t *td, const usb_ep_t *ep, uint32_t pid, uint3
{
uint8_t device_speed = (ep->device_speed == USB_SPEED_LOW) ? UHCI_TD_LOW_SPEED : UHCI_TD_FULL_SPEED;
td->link_ptr = (uintptr_t)(td + 1) | UHCI_LP_TYPE_TD | UHCI_LP_DEPTH_FIRST;
if (ioc) {
td->link_ptr = UHCI_LP_TERMINATE;
} else {
td->link_ptr = (uintptr_t)(td + 1) | UHCI_LP_TYPE_TD | UHCI_LP_DEPTH_FIRST;
}
td->control_status = UHCI_TD_CERR(3)
| device_speed
| ioc