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Commit 0a405fe9 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

Merge branches 'pm-cpufreq' and 'pm-cpuidle' 

* pm-cpufreq:
  intel_pstate: Fail initialization if P-state information is missing
  cpufreq: preserve user_policy across suspend/resume
  cpufreq: Clean up after a failing light-weight initialization

* pm-cpuidle:
  ARM/cpuidle: remove __init tag from Calxeda cpuidle probe function
parents 4706515a 98a947ab 3308d535

drivers/cpufreq/cpufreq.c

+23 −14
Original line number Diff line number Diff line
@@ -839,9 +839,6 @@ static void cpufreq_init_policy(struct cpufreq_policy *policy) 


	/* set default policy */

	ret = cpufreq_set_policy(policy, &new_policy);

	policy->user_policy.policy = policy->policy;

	policy->user_policy.governor = policy->governor;



	if (ret) {

		pr_debug("setting policy failed\n");

		if (cpufreq_driver->exit)
@@ -1016,15 +1013,17 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, 
	read_unlock_irqrestore(&cpufreq_driver_lock, flags);

#endif



	if (frozen)

		/* Restore the saved policy when doing light-weight init */

		policy = cpufreq_policy_restore(cpu);

	else

	/*

	 * Restore the saved policy when doing light-weight init and fall back

	 * to the full init if that fails.

	 */

	policy = frozen ? cpufreq_policy_restore(cpu) : NULL;

	if (!policy) {

		frozen = false;

		policy = cpufreq_policy_alloc();



		if (!policy)

			goto nomem_out;



	}



	/*

	 * In the resume path, since we restore a saved policy, the assignment
@@ -1069,8 +1068,10 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, 
	 */

	cpumask_and(policy->cpus, policy->cpus, cpu_online_mask);



	if (!frozen) {

		policy->user_policy.min = policy->min;

		policy->user_policy.max = policy->max;

	}



	blocking_notifier_call_chain(&cpufreq_policy_notifier_list,

				     CPUFREQ_START, policy);
@@ -1101,6 +1102,11 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, 


	cpufreq_init_policy(policy);



	if (!frozen) {

		policy->user_policy.policy = policy->policy;

		policy->user_policy.governor = policy->governor;

	}



	kobject_uevent(&policy->kobj, KOBJ_ADD);

	up_read(&cpufreq_rwsem);
@@ -1118,8 +1124,11 @@ err_get_freq: 
	if (cpufreq_driver->exit)

		cpufreq_driver->exit(policy);

err_set_policy_cpu:

	if (frozen)

	if (frozen) {

		/* Do not leave stale fallback data behind. */

		per_cpu(cpufreq_cpu_data_fallback, cpu) = NULL;

		cpufreq_policy_put_kobj(policy);

	}

	cpufreq_policy_free(policy);



nomem_out:

drivers/cpufreq/intel_pstate.c

+5 −0
Original line number Diff line number Diff line
@@ -614,6 +614,11 @@ static int intel_pstate_init_cpu(unsigned int cpunum) 
	cpu = all_cpu_data[cpunum];



	intel_pstate_get_cpu_pstates(cpu);

	if (!cpu->pstate.current_pstate) {

		all_cpu_data[cpunum] = NULL;

		kfree(cpu);

		return -ENODATA;

	}



	cpu->cpu = cpunum;

drivers/cpuidle/cpuidle-calxeda.c

+1 −1
Original line number Diff line number Diff line
@@ -65,7 +65,7 @@ static struct cpuidle_driver calxeda_idle_driver = { 
	.state_count = 2,

};



static int __init calxeda_cpuidle_probe(struct platform_device *pdev)

static int calxeda_cpuidle_probe(struct platform_device *pdev)

{

	return cpuidle_register(&calxeda_idle_driver, NULL);

}