summaryrefslogtreecommitdiffstats
path: root/drivers/cpufreq/cpufreq_stats.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/cpufreq/cpufreq_stats.c')
-rw-r--r--drivers/cpufreq/cpufreq_stats.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index c5072a91e84..b40ee1403be 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -11,7 +11,6 @@
#include <linux/kernel.h>
#include <linux/slab.h>
-#include <linux/sysdev.h>
#include <linux/cpu.h>
#include <linux/sysfs.h>
#include <linux/cpufreq.h>
@@ -61,9 +60,8 @@ static int cpufreq_stats_update(unsigned int cpu)
spin_lock(&cpufreq_stats_lock);
stat = per_cpu(cpufreq_stats_table, cpu);
if (stat->time_in_state)
- stat->time_in_state[stat->last_index] =
- cputime64_add(stat->time_in_state[stat->last_index],
- cputime_sub(cur_time, stat->last_time));
+ stat->time_in_state[stat->last_index] +=
+ cur_time - stat->last_time;
stat->last_time = cur_time;
spin_unlock(&cpufreq_stats_lock);
return 0;