Minor simplification.

This commit is contained in:
mycroft 2004-07-04 09:28:05 +00:00
parent edd81fa220
commit 35186738e8

View File

@ -1,4 +1,4 @@
/* $NetBSD: com.c,v 1.228 2004/07/04 08:09:03 mycroft Exp $ */ /* $NetBSD: com.c,v 1.229 2004/07/04 09:28:05 mycroft Exp $ */
/*- /*-
* Copyright (c) 1998, 1999, 2004 The NetBSD Foundation, Inc. * Copyright (c) 1998, 1999, 2004 The NetBSD Foundation, Inc.
@ -73,7 +73,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: com.c,v 1.228 2004/07/04 08:09:03 mycroft Exp $"); __KERNEL_RCSID(0, "$NetBSD: com.c,v 1.229 2004/07/04 09:28:05 mycroft Exp $");
#include "opt_com.h" #include "opt_com.h"
#include "opt_ddb.h" #include "opt_ddb.h"
@ -2093,18 +2093,13 @@ again: do {
put[1] = lsr; put[1] = lsr;
cn_check_magic(sc->sc_tty->t_dev, cn_check_magic(sc->sc_tty->t_dev,
put[0], com_cnm_state); put[0], com_cnm_state);
if (cn_trapped) { if (cn_trapped)
lsr = bus_space_read_1(iot, ioh, com_lsr); goto next;
if (!ISSET(lsr, LSR_RCV_MASK))
break;
continue;
}
put += 2; put += 2;
if (put >= end) if (put >= end)
put = sc->sc_rbuf; put = sc->sc_rbuf;
cc--; cc--;
next:
lsr = bus_space_read_1(iot, ioh, com_lsr); lsr = bus_space_read_1(iot, ioh, com_lsr);
if (!ISSET(lsr, LSR_RCV_MASK)) if (!ISSET(lsr, LSR_RCV_MASK))
break; break;
@ -2137,11 +2132,12 @@ again: do {
*/ */
if (!cc) { if (!cc) {
SET(sc->sc_rx_flags, RX_IBUF_OVERFLOWED); SET(sc->sc_rx_flags, RX_IBUF_OVERFLOWED);
CLR(sc->sc_ier, IER_ERXRDY);
#ifdef COM_PXA2X0 #ifdef COM_PXA2X0
if (sc->sc_type == COM_TYPE_PXA2x0) if (sc->sc_type == COM_TYPE_PXA2x0)
CLR(sc->sc_ier, IER_ERXTOUT); CLR(sc->sc_ier, IER_ERXRDY|IER_ERXTOUT);
else
#endif #endif
CLR(sc->sc_ier, IER_ERXRDY);
bus_space_write_1(iot, ioh, com_ier, bus_space_write_1(iot, ioh, com_ier,
sc->sc_ier); sc->sc_ier);
} }