[src/trunk]: src/sys/arch/arm/broadcom Use bus_space_read_multi_4 and fix cop...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c811f2f3357e
branches:  trunk
changeset: 784564:c811f2f3357e
user:      skrll <skrll%NetBSD.org@localhost>
date:      Fri Feb 01 16:10:16 2013 +0000

description:
Use bus_space_read_multi_4 and fix copyright year. From Jared.

diffstat:

 sys/arch/arm/broadcom/bcm2835_rng.c |  14 ++++++--------
 1 files changed, 6 insertions(+), 8 deletions(-)

diffs (41 lines):

diff -r 0d3cc714ffe9 -r c811f2f3357e sys/arch/arm/broadcom/bcm2835_rng.c
--- a/sys/arch/arm/broadcom/bcm2835_rng.c       Fri Feb 01 15:23:11 2013 +0000
+++ b/sys/arch/arm/broadcom/bcm2835_rng.c       Fri Feb 01 16:10:16 2013 +0000
@@ -1,7 +1,7 @@
-/*     $NetBSD: bcm2835_rng.c,v 1.2 2013/01/30 11:52:54 jmcneill Exp $ */
+/*     $NetBSD: bcm2835_rng.c,v 1.3 2013/02/01 16:10:16 skrll Exp $ */
 
 /*-
- * Copyright (c) 2012 The NetBSD Foundation, Inc.
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
  * All rights reserved.
  *
  * This code is derived from software contributed to The NetBSD Foundation
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bcm2835_rng.c,v 1.2 2013/01/30 11:52:54 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bcm2835_rng.c,v 1.3 2013/02/01 16:10:16 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -126,15 +126,13 @@
 {
        struct bcm2835rng_softc *sc = priv;
        uint32_t status;
-       int cnt, i;
+       int cnt;
 
        status = bus_space_read_4(sc->sc_iot, sc->sc_ioh, RNG_STATUS);
        cnt = (status & RNG_STATUS_CNT_MASK) >> RNG_STATUS_CNT_SHIFT;
-       for (i = 0; i < cnt; i++) {
-               sc->sc_data[i] = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
-                   RNG_DATA);
-       }
        if (cnt > 0) {
+               bus_space_read_multi_4(sc->sc_iot, sc->sc_ioh, RNG_DATA,
+                   sc->sc_data, cnt);
                rnd_add_data(&sc->sc_rnd, sc->sc_data,
                    cnt * 4, cnt * 4 * NBBY);
        }