Merge branch 'pm-fixes'

* pm-fixes:
  cpufreq: cpufreq-cpu0: use the exact frequency for clk_set_rate()
  cpufreq: protect 'policy->cpus' from offlining during __gov_queue_work()
  acpi-cpufreq: set current frequency based on target P-State

drivers/cpufreq/acpi-cpufreq.c

@@ -347,11 +347,11 @@ static u32 get_cur_val(const struct cpumask *mask)
 	switch (per_cpu(acfreq_data, cpumask_first(mask))->cpu_feature) {
 	case SYSTEM_INTEL_MSR_CAPABLE:
 		cmd.type = SYSTEM_INTEL_MSR_CAPABLE;
-		cmd.addr.msr.reg = MSR_IA32_PERF_STATUS;
+		cmd.addr.msr.reg = MSR_IA32_PERF_CTL;
 		break;
 	case SYSTEM_AMD_MSR_CAPABLE:
 		cmd.type = SYSTEM_AMD_MSR_CAPABLE;
-		cmd.addr.msr.reg = MSR_AMD_PERF_STATUS;
+		cmd.addr.msr.reg = MSR_AMD_PERF_CTL;
 		break;
 	case SYSTEM_IO_CAPABLE:
 		cmd.type = SYSTEM_IO_CAPABLE;

drivers/cpufreq/cpufreq-cpu0.c

@@ -45,7 +45,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
 	struct cpufreq_freqs freqs;
 	struct opp *opp;
 	unsigned long volt = 0, volt_old = 0, tol = 0;
-	long freq_Hz;
+	long freq_Hz, freq_exact;
 	unsigned int index;
 	int ret;
 
@@ -60,6 +60,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
 	freq_Hz = clk_round_rate(cpu_clk, freq_table[index].frequency * 1000);
 	if (freq_Hz < 0)
 		freq_Hz = freq_table[index].frequency * 1000;
+	freq_exact = freq_Hz;
 	freqs.new = freq_Hz / 1000;
 	freqs.old = clk_get_rate(cpu_clk) / 1000;
 
@@ -98,7 +99,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
 		}
 	}
 
-	ret = clk_set_rate(cpu_clk, freqs.new * 1000);
+	ret = clk_set_rate(cpu_clk, freq_exact);
 	if (ret) {
 		pr_err("failed to set clock rate: %d\n", ret);
 		if (cpu_reg)

drivers/cpufreq/cpufreq_governor.c

@@ -26,6 +26,7 @@
 #include <linux/tick.h>
 #include <linux/types.h>
 #include <linux/workqueue.h>
+#include <linux/cpu.h>
 
 #include "cpufreq_governor.h"
 
@@ -180,8 +181,10 @@ void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy,
 	if (!all_cpus) {
 		__gov_queue_work(smp_processor_id(), dbs_data, delay);
 	} else {
+		get_online_cpus();
 		for_each_cpu(i, policy->cpus)
 			__gov_queue_work(i, dbs_data, delay);
+		put_online_cpus();
 	}
 }
 EXPORT_SYMBOL_GPL(gov_queue_work);