From 9db36ca01006f07ad53f814e84504d4e31a744cf Mon Sep 17 00:00:00 2001
From: thorpej <thorpej@NetBSD.org>
Date: Tue, 12 Jul 2022 02:10:16 +0000
Subject: [PATCH] Remove unneeded bus_space_barrier() calls.

---
 sys/dev/eisa/mlx_eisa.c | 7 ++-----
 sys/dev/vme/if_ie_vme.c | 8 ++------
 2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/sys/dev/eisa/mlx_eisa.c b/sys/dev/eisa/mlx_eisa.c
index 575020faf61a..fd5c27c46d63 100644
--- a/sys/dev/eisa/mlx_eisa.c
+++ b/sys/dev/eisa/mlx_eisa.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: mlx_eisa.c,v 1.29 2021/07/24 19:06:25 thorpej Exp $	*/
+/*	$NetBSD: mlx_eisa.c,v 1.30 2022/07/12 02:12:26 thorpej Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mlx_eisa.c,v 1.29 2021/07/24 19:06:25 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mlx_eisa.c,v 1.30 2022/07/12 02:12:26 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -221,9 +221,6 @@ mlx_v1_submit(struct mlx_softc *mlx, struct mlx_ccb *mc)
 		/* Copy mailbox data to window. */
 		bus_space_write_region_1(mlx->mlx_iot, mlx->mlx_ioh,
 		    MLX_V1REG_MAILBOX, mc->mc_mbox, 13);
-		bus_space_barrier(mlx->mlx_iot, mlx->mlx_ioh,
-		    MLX_V1REG_MAILBOX, 13,
-		    BUS_SPACE_BARRIER_WRITE);
 
 		/* Post command. */
 		mlx_outb(mlx, MLX_V1REG_IDB, MLX_V1_IDB_FULL);
diff --git a/sys/dev/vme/if_ie_vme.c b/sys/dev/vme/if_ie_vme.c
index 5ed71c097ace..8176de4a95fc 100644
--- a/sys/dev/vme/if_ie_vme.c
+++ b/sys/dev/vme/if_ie_vme.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_ie_vme.c,v 1.34 2021/10/24 20:00:12 andvar Exp $	*/
+/*	$NetBSD: if_ie_vme.c,v 1.35 2022/07/12 02:10:16 thorpej Exp $	*/
 
 /*
  * Copyright (c) 1995 Charles D. Cranor
@@ -140,7 +140,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ie_vme.c,v 1.34 2021/10/24 20:00:12 andvar Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ie_vme.c,v 1.35 2022/07/12 02:10:16 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -376,7 +376,6 @@ ie_vme_read16(struct ie_softc *sc, int offset)
 {
 	uint16_t v;
 
-	bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_READ);
 	v = bus_space_read_2(sc->bt, sc->bh, offset);
 	return (((v&0xff)<<8) | ((v>>8)&0xff));
 }
@@ -386,7 +385,6 @@ ie_vme_write16(struct ie_softc *sc, int offset, uint16_t v)
 {
 	int v0 = ((((v)&0xff)<<8) | (((v)>>8)&0xff));
 	bus_space_write_2(sc->bt, sc->bh, offset, v0);
-	bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_WRITE);
 }
 
 void
@@ -403,8 +401,6 @@ ie_vme_write24(struct ie_softc *sc, int offset, int addr)
 	t = (u_char *)&v1;
 	t[0] = f[1]; t[1] = 0;
 	bus_space_write_2(sc->bt, sc->bh, offset+2, v1);
-
-	bus_space_barrier(sc->bt, sc->bh, offset, 4, BUS_SPACE_BARRIER_WRITE);
 }
 
 int