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from Anon Ymous: 

Clear the any endpoint stall in the interrupt handler.  All other
drivers do this and I am pretty sure we need to as well, though I have
yet to see a stall in the handler.
This commit is contained in:
christos 2010-10-01 20:56:50 +00:00
parent 0a99a7950b
commit 2917d71243
1 changed files with 4 additions and 2 deletions
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6
sys/dev/usb/umodem_common.c
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@ -1,4 +1,4 @@
/* $NetBSD: umodem_common.c,v 1.20 2010/10/01 20:56:10 christos Exp $ */
/* $NetBSD: umodem_common.c,v 1.21 2010/10/01 20:56:50 christos Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -44,7 +44,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: umodem_common.c,v 1.20 2010/10/01 20:56:10 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: umodem_common.c,v 1.21 2010/10/01 20:56:50 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -317,6 +317,8 @@ umodem_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
return;
printf("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev),
usbd_errstr(status));
if (status == USBD_STALLED)
usbd_clear_endpoint_stall_async(sc->sc_notify_pipe);
return;
}