cpufreq: Remove (now) unused 'last_cpu' from struct cpufreq_policy

'last_cpu' was used only from cpufreq-stats and isn't used anymore. Get rid of
it.

Reviewed-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

2 files changed, 0 insertions, 5 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 70b568a253e9..60ef37d569c5 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1086,10 +1086,7 @@ static int update_policy_cpu(struct cpufreq_policy *policy, unsigned int cpu,
         }
 
         down_write(&policy->rwsem);
-
-        policy->last_cpu = policy->cpu;
         policy->cpu = cpu;
-
         up_write(&policy->rwsem);
 
         blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 60b7b496565d..7e1a389b4e92 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -66,8 +66,6 @@ struct cpufreq_policy {
         unsigned int            shared_type; /* ACPI: ANY or ALL affected CPUs
                                                 should set cpufreq */
         unsigned int            cpu;    /* cpu nr of CPU managing this policy */
-        unsigned int            last_cpu; /* cpu nr of previous CPU that managed
-                                           * this policy */
         struct clk              *clk;
         struct cpufreq_cpuinfo  cpuinfo;/* see above */