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Follow the spec more closely when updating the overlay qTD in the QH.

This commit is contained in:
augustss 2004-10-24 22:12:24 +00:00
parent becc42a193
commit 2dc3c5521f
1 changed files with 12 additions and 6 deletions
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18
sys/dev/usb/ehci.c
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@ -1,4 +1,4 @@
/* $NetBSD: ehci.c,v 1.84 2004/10/24 22:11:05 augustss Exp $ */
/* $NetBSD: ehci.c,v 1.85 2004/10/24 22:12:24 augustss Exp $ */
/*
* Copyright (c) 2004 The NetBSD Foundation, Inc.
@ -65,7 +65,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ehci.c,v 1.84 2004/10/24 22:11:05 augustss Exp $");
__KERNEL_RCSID(0, "$NetBSD: ehci.c,v 1.85 2004/10/24 22:12:24 augustss Exp $");
#include "ohci.h"
#include "uhci.h"
@ -1466,13 +1466,19 @@ ehci_rem_qh(ehci_softc_t *sc, ehci_soft_qh_t *sqh, ehci_soft_qh_t *head)
void
ehci_set_qh_qtd(ehci_soft_qh_t *sqh, ehci_soft_qtd_t *sqtd)
{
/* Halt while we are messing. */
sqh->qh.qh_qtd.qtd_status |= htole32(EHCI_QTD_HALTED);
int i;
/* Set HALTED to make hw leave it alone. */
sqh->qh.qh_qtd.qtd_status =
htole32(EHCI_QTD_SET_STATUS(EHCI_QTD_HALTED));
sqh->qh.qh_curqtd = 0;
sqh->qh.qh_qtd.qtd_next = htole32(sqtd->physaddr);
sqh->qh.qh_qtd.qtd_altnext = 0;
for (i = 0; i < EHCI_QTD_NBUFFERS; i++)
sqh->qh.qh_qtd.qtd_buffer[i] = 0;
sqh->sqtd = sqtd;
/* Clear halt */
sqh->qh.qh_qtd.qtd_status &= htole32(~EHCI_QTD_HALTED);
/* Set !HALTED && !ACTIVE to start execution. */
sqh->qh.qh_qtd.qtd_status = 0;
}
/*