thermal: cpufreq_cooling: Use new thermal pressure update function

Thermal pressure provides a new API, which allows to use CPU frequency
as an argument. That removes the need of local conversion to capacity.
Use this new function and remove old conversion code.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

drivers/thermal/cpufreq_cooling.c

@@ -462,7 +462,6 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
 	struct cpufreq_cooling_device *cpufreq_cdev = cdev->devdata;
 	struct cpumask *cpus;
 	unsigned int frequency;
-	unsigned long max_capacity, capacity;
 	int ret;
 
 	/* Request state should be less than max_level */
@@ -479,10 +478,7 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev,
 	if (ret >= 0) {
 		cpufreq_cdev->cpufreq_state = state;
 		cpus = cpufreq_cdev->policy->related_cpus;
-		max_capacity = arch_scale_cpu_capacity(cpumask_first(cpus));
-		capacity = frequency * max_capacity;
-		capacity /= cpufreq_cdev->policy->cpuinfo.max_freq;
-		arch_set_thermal_pressure(cpus, max_capacity - capacity);
+		arch_update_thermal_pressure(cpus, frequency);
 		ret = 0;
 	}