[src/trunk]: src/sys/arch/arm/samsung Update the cycle counter i.e. our CPU f...

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

details:   https://anonhg.NetBSD.org/src/rev/851dd244a983
branches:  trunk
changeset: 802086:851dd244a983
user:      reinoud <reinoud%NetBSD.org@localhost>
date:      Mon Sep 01 14:19:27 2014 +0000

description:
Update the cycle counter i.e. our CPU frequency for all CPUs on setting the
cpu frequency.

diffstat:

 sys/arch/arm/samsung/exynos_soc.c |  12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)

diffs (50 lines):

diff -r dae6e9251d20 -r 851dd244a983 sys/arch/arm/samsung/exynos_soc.c
--- a/sys/arch/arm/samsung/exynos_soc.c Mon Sep 01 13:50:15 2014 +0000
+++ b/sys/arch/arm/samsung/exynos_soc.c Mon Sep 01 14:19:27 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: exynos_soc.c,v 1.17 2014/08/28 20:29:05 snj Exp $      */
+/*     $NetBSD: exynos_soc.c,v 1.18 2014/09/01 14:19:27 reinoud Exp $  */
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -33,7 +33,7 @@
 #define        _ARM32_BUS_DMA_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: exynos_soc.c,v 1.17 2014/08/28 20:29:05 snj Exp $");
+__KERNEL_RCSID(1, "$NetBSD: exynos_soc.c,v 1.18 2014/09/01 14:19:27 reinoud Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -349,9 +349,11 @@
 static void
 exynos_set_cpufreq(const struct cpu_freq *freqreq)
 {
+       struct cpu_info *ci;
        uint32_t reg = 0;
        uint32_t regval;
        int M, P, S;
+       int cii;
 
        M = freqreq->M;
        P = freqreq->P;
@@ -374,6 +376,11 @@
        /* enable PPL and write config */
        regval |= PLL_CON0_ENABLE;
        bus_space_write_4(&exynos_bs_tag, exynos_core_bsh, reg, regval);
+
+       /* update our cycle counter i.e. our CPU frequency for all CPUs */
+       for (CPU_INFO_FOREACH(cii, ci)) {
+               ci->ci_data.cpu_cc_freq = exynos_get_cpufreq();
+       }
 }
 
 
@@ -458,7 +465,6 @@
 
        /* set max cpufreq */
        exynos_set_cpufreq(&cpu_freq_settings[ncpu_freq_settings-1]);
-       curcpu()->ci_data.cpu_cc_freq = exynos_get_cpufreq();
 }