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revision 1.176
    date: 2003/11/04 19:11:21;  author: mycroft;
    Ignore a CRCTO error on a SETUP transaction in combination with
    STALLED or NAK.  This fixes problems with the GL641.
This commit is contained in:
Josef Karthauser 2003-11-10 00:08:41 +00:00
parent 97287bdb44
commit 238894c5ee
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=122379
1 changed files with 10 additions and 0 deletions
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10
sys/dev/usb/uhci.c
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@ -4,6 +4,7 @@
* $NetBSD: uhci.c,v 1.172 2003/02/23 04:19:26 simonb Exp $
* $NetBSD: uhci.c,v 1.173 2003/05/13 04:41:59 gson Exp $
* $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 $
*/
#include <sys/cdefs.h>
@ -1433,6 +1434,15 @@ 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)