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Set sc_fifolen=1 for the no fifo case

This commit is contained in:
jmcneill 2020-09-30 14:56:34 +00:00
parent 9357589466
commit 7a50f3a533
1 changed files with 3 additions and 2 deletions
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5
sys/dev/ic/com.c
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@ -1,4 +1,4 @@
/* $NetBSD: com.c,v 1.360 2020/09/28 11:33:15 jmcneill Exp $ */
/* $NetBSD: com.c,v 1.361 2020/09/30 14:56:34 jmcneill Exp $ */
/*-
* Copyright (c) 1998, 1999, 2004, 2008 The NetBSD Foundation, Inc.
@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: com.c,v 1.360 2020/09/28 11:33:15 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: com.c,v 1.361 2020/09/30 14:56:34 jmcneill Exp $");
#include "opt_com.h"
#include "opt_ddb.h"
@ -543,6 +543,7 @@ com_attach_subr(struct com_softc *sc)
DW_APB_UART_CPR);
sc->sc_fifolen = __SHIFTOUT(cpr, UART_CPR_FIFO_MODE) * 16;
if (sc->sc_fifolen == 0) {
sc->sc_fifolen = 1;
fifo_msg = "DesignWare APB UART, no fifo";
CSR_WRITE_1(regsp, COM_REG_FIFO, 0);
} else {