cpufreq: intel_pstate: Cleanup parentheses

Remove unnecessary parentheses.
Also, add parentheses in one case for better readability.

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 424c5a98771d..dee9e5882937 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -443,7 +443,7 @@ static int core_get_turbo_pstate(void)
 
         rdmsrl(MSR_NHM_TURBO_RATIO_LIMIT, value);
         nont = core_get_max_pstate();
-        ret = ((value) & 255);
+        ret = (value) & 255;
         if (ret <= nont)
                 ret = nont;
         return ret;
@@ -617,7 +617,7 @@ static inline int32_t intel_pstate_get_scaled_busy(struct cpudata *cpu)
         current_pstate = int_tofp(cpu->pstate.current_pstate);
         core_busy = mul_fp(core_busy, div_fp(max_pstate, current_pstate));
 
-        sample_time = (pid_params.sample_rate_ms  * USEC_PER_MSEC);
+        sample_time = pid_params.sample_rate_ms  * USEC_PER_MSEC;
         duration_us = (u32) ktime_us_delta(cpu->sample.time,
                                         cpu->last_sample_time);
         if (duration_us > sample_time * 3) {
@@ -751,7 +751,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
         limits.min_perf_pct = clamp_t(int, limits.min_perf_pct, 0 , 100);
         limits.min_perf = div_fp(int_tofp(limits.min_perf_pct), int_tofp(100));
 
-        limits.max_policy_pct = policy->max * 100 / policy->cpuinfo.max_freq;
+        limits.max_policy_pct = (policy->max * 100) / policy->cpuinfo.max_freq;
         limits.max_policy_pct = clamp_t(int, limits.max_policy_pct, 0 , 100);
         limits.max_perf_pct = min(limits.max_policy_pct, limits.max_sysfs_pct);
         limits.max_perf = div_fp(int_tofp(limits.max_perf_pct), int_tofp(100));
@@ -763,8 +763,8 @@ static int intel_pstate_verify_policy(struct cpufreq_policy *policy)
 {
         cpufreq_verify_within_cpu_limits(policy);
 
-        if ((policy->policy != CPUFREQ_POLICY_POWERSAVE) &&
-                (policy->policy != CPUFREQ_POLICY_PERFORMANCE))
+        if (policy->policy != CPUFREQ_POLICY_POWERSAVE &&
+                policy->policy != CPUFREQ_POLICY_PERFORMANCE)
                 return -EINVAL;
 
         return 0;