diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_conservative.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_conservative.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index f97cb3d8c5a..25a70d06c5b 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -11,19 +11,7 @@ * published by the Free Software Foundation. */ -#include <linux/cpufreq.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/kernel_stat.h> -#include <linux/kobject.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/notifier.h> -#include <linux/percpu-defs.h> #include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/types.h> - #include "cpufreq_governor.h" /* Conservative governor macros */ @@ -79,6 +67,7 @@ static void cs_check_cpu(int cpu, unsigned int load) return; dbs_info->requested_freq += get_freq_target(cs_tuners, policy); + if (dbs_info->requested_freq > policy->max) dbs_info->requested_freq = policy->max; @@ -94,14 +83,17 @@ static void cs_check_cpu(int cpu, unsigned int load) /* Check for frequency decrease */ if (load < cs_tuners->down_threshold) { + unsigned int freq_target; /* * if we cannot reduce the frequency anymore, break out early */ if (policy->cur == policy->min) return; - dbs_info->requested_freq -= get_freq_target(cs_tuners, policy); - if (dbs_info->requested_freq < policy->min) + freq_target = get_freq_target(cs_tuners, policy); + if (dbs_info->requested_freq > freq_target) + dbs_info->requested_freq -= freq_target; + else dbs_info->requested_freq = policy->min; __cpufreq_driver_target(policy, dbs_info->requested_freq, @@ -329,7 +321,7 @@ static int cs_init(struct dbs_data *dbs_data) { struct cs_dbs_tuners *tuners; - tuners = kzalloc(sizeof(struct cs_dbs_tuners), GFP_KERNEL); + tuners = kzalloc(sizeof(*tuners), GFP_KERNEL); if (!tuners) { pr_err("%s: kzalloc failed\n", __func__); return -ENOMEM; |