[PATCH] ARM: ux500: send cpufreq notification for all cpus

Vincent Guittot vincent.guittot at linaro.org
Wed Aug 24 02:44:05 EDT 2011


The same clock is used for all cpus so we must notify the frequency change
for each one in order to update the configuration of all twd clockevents.

Signed-off-by: Vincent Guittot <vincent.guittot at linaro.org>
---
 drivers/cpufreq/db8500-cpufreq.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c
index 0d8dd1c..4cb5785 100644
--- a/drivers/cpufreq/db8500-cpufreq.c
+++ b/drivers/cpufreq/db8500-cpufreq.c
@@ -76,13 +76,13 @@ static int db8500_cpufreq_target(struct cpufreq_policy *policy,
 
 	freqs.old = policy->cur;
 	freqs.new = freq_table[idx].frequency;
-	freqs.cpu = policy->cpu;
 
 	if (freqs.old == freqs.new)
 		return 0;
 
 	/* pre-change notification */
-	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+	for_each_online_cpu(freqs.cpu)
+		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 
 	/* request the PRCM unit for opp change */
 	if (prcmu_set_arm_opp(idx2opp[idx])) {
@@ -91,7 +91,8 @@ static int db8500_cpufreq_target(struct cpufreq_policy *policy,
 	}
 
 	/* post change notification */
-	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+	for_each_online_cpu(freqs.cpu)
+		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 
 	return 0;
 }
-- 
1.7.4.1




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