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Get transfer status right on short transfers. From FreeBSD, Nick Hibma.

This commit is contained in:
augustss 1999-11-13 23:58:01 +00:00
parent ed2a0c2648
commit 5f8274b5a6
1 changed files with 5 additions and 4 deletions
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9
sys/dev/usb/uhci.c
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@ -1,4 +1,4 @@
/* $NetBSD: uhci.c,v 1.63 1999/11/12 00:34:57 augustss Exp $ */
/* $NetBSD: uhci.c,v 1.64 1999/11/13 23:58:01 augustss Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -960,7 +960,7 @@ uhci_idone(ii)
usbd_xfer_handle xfer = ii->xfer;
struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe;
uhci_soft_td_t *std;
u_int32_t status;
u_int32_t status, nstatus;
int actlen;
#ifdef DIAGNOSTIC
@ -1022,9 +1022,10 @@ uhci_idone(ii)
/* The transfer is done, compute actual length and status. */
actlen = 0;
for (std = ii->stdstart; std != NULL; std = std->link.std) {
status = LE(std->td.td_status);
if (status & UHCI_TD_ACTIVE)
nstatus = LE(std->td.td_status);
if (nstatus & UHCI_TD_ACTIVE)
break;
status = nstatus;
if (UHCI_TD_GET_PID(LE(std->td.td_token)) !=
UHCI_TD_PID_SETUP)
actlen += UHCI_TD_GET_ACTLEN(status);