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Possible fix for USB packets going missing. Thank gsh

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This commit is contained in:
popcornmix
2012-07-27 10:32:03 +01:00
committed by Dom Cobley
parent 1ad0baa517
commit 622a46ff94
1 changed files with 15 additions and 6 deletions
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21
drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
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@@ -282,12 +282,21 @@ int32_t dwc_otg_hcd_handle_sof_intr(dwc_otg_hcd_t * hcd)
qh = DWC_LIST_ENTRY(qh_entry, dwc_otg_qh_t, qh_list_entry);
qh_entry = qh_entry->next;
if (dwc_frame_num_le(qh->sched_frame, hcd->frame_number)) {
/*
* Move QH to the ready list to be executed next
* (micro)frame.
*/
DWC_LIST_MOVE_HEAD(&hcd->periodic_sched_ready,
&qh->qh_list_entry);
if(qh->do_split && qh->sched_frame != hcd->frame_number)
{
// If we're late we may have missed the beginning of the frame
qh->sched_frame += qh->interval;
}
else
{
/*
* Move QH to the ready list to be executed next
* (micro)frame.
*/
DWC_LIST_MOVE_HEAD(&hcd->periodic_sched_ready,
&qh->qh_list_entry);
}
}
}
tr_type = dwc_otg_hcd_select_transactions(hcd);