Messages in this thread Patch in this message | | | From | Viresh Kumar <> | Subject | [PATCH] cpufreq: SPEAr: Notify all policy->cpus of frequency change | Date | Thu, 31 Jan 2013 10:23:56 +0530 |
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SPEAr cpufreq driver supports dual core Cortex-A9 SoC's, where cpus share policy structure. Whenever we update frequency of a cpu, we must notify all policy->cpus.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- drivers/cpufreq/spear-cpufreq.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c index 4575cfe..63c6a7f 100644 --- a/drivers/cpufreq/spear-cpufreq.c +++ b/drivers/cpufreq/spear-cpufreq.c @@ -157,7 +157,9 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy, freqs.new = newfreq / 1000; freqs.new /= mult; - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); + + for_each_cpu(freqs.cpu, policy->cpus) + cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); if (mult == 2) ret = spear1340_set_cpu_rate(srcclk, newfreq); @@ -170,7 +172,8 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy, freqs.new = clk_get_rate(spear_cpufreq.clk) / 1000; } - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); + for_each_cpu(freqs.cpu, policy->cpus) + cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); return ret; } -- 1.7.12.rc2.18.g61b472e
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