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Ignore a CRCTO error on a SETUP transaction in combination with STALLED or NAK.

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This fixes problems with the GL641.
This commit is contained in:
mycroft 2003-11-04 19:11:21 +00:00
parent 73fea8467b
commit c6589d2082
1 changed files with 11 additions and 2 deletions
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13
sys/dev/usb/uhci.c
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@ -1,4 +1,4 @@
/* $NetBSD: uhci.c,v 1.175 2003/09/12 16:18:08 mycroft Exp $ */
/* $NetBSD: uhci.c,v 1.176 2003/11/04 19:11:21 mycroft Exp $ */
/* $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $ */
/*
@ -49,7 +49,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.175 2003/09/12 16:18:08 mycroft Exp $");
__KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.176 2003/11/04 19:11:21 mycroft Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -1427,6 +1427,15 @@ uhci_idone(uhci_intr_info_t *ii)
if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) !=
UHCI_TD_PID_SETUP)
actlen += UHCI_TD_GET_ACTLEN(status);
else {
/*
* UHCI will report CRCTO in addition to a STALL or NAK
* for a SETUP transaction. See section 3.2.2, "TD
* CONTROL AND STATUS".
*/
if (status & (UHCI_TD_STALLED | UHCI_TD_NAK))
status &= ~UHCI_TD_CRCTO;
}
}
/* If there are left over TDs we need to update the toggle. */
if (std != NULL)