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authorViresh Kumar <viresh.kumar@linaro.org>2013-03-24 10:26:43 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-04-02 17:24:00 +0400
commitb43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2 (patch)
tree7d3ac2733d76a785be12bfba75bfe244a5a31460 /drivers/cpufreq/speedstep-smi.c
parentfd143b4d6fb763183ef6e46d1ab84a42c59079af (diff)
downloadlinux-b43a7ffbf33be7e4d3b10b7714ee663ea2c52fe2.tar.xz
cpufreq: Notify all policy->cpus in cpufreq_notify_transition()
policy->cpus contains all online cpus that have single shared clock line. And their frequencies are always updated together. Many SMP system's cpufreq drivers take care of this in individual drivers but the best place for this code is in cpufreq core. This patch modifies cpufreq_notify_transition() to notify frequency change for all cpus in policy->cpus and hence updates all users of this API. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/speedstep-smi.c')
-rw-r--r--drivers/cpufreq/speedstep-smi.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/cpufreq/speedstep-smi.c b/drivers/cpufreq/speedstep-smi.c
index 6a457fcaaad5..f5a6b70ee6c0 100644
--- a/drivers/cpufreq/speedstep-smi.c
+++ b/drivers/cpufreq/speedstep-smi.c
@@ -252,14 +252,13 @@ static int speedstep_target(struct cpufreq_policy *policy,
freqs.old = speedstep_freqs[speedstep_get_state()].frequency;
freqs.new = speedstep_freqs[newstate].frequency;
- freqs.cpu = 0; /* speedstep.c is UP only driver */
if (freqs.old == freqs.new)
return 0;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
speedstep_set_state(newstate);
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
return 0;
}