diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 4ebae43118effe98f4763618cbd0777060e8e134..d8addbce40bcc4f9c6a29e32c98cd0c15bac15b4 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -275,6 +275,7 @@ config BMIPS_CPUFREQ
 
 config LOONGSON2_CPUFREQ
 	tristate "Loongson2 CPUFreq Driver"
+	depends on LEMOTE_MACH2F
 	help
 	  This option adds a CPUFreq driver for loongson processors which
 	  support software configurable cpu frequency.
@@ -287,6 +288,7 @@ config LOONGSON2_CPUFREQ
 
 config LOONGSON1_CPUFREQ
 	tristate "Loongson1 CPUFreq Driver"
+	depends on LOONGSON1_LS1B
 	help
 	  This option adds a CPUFreq driver for loongson1 processors which
 	  support software configurable cpu frequency.
diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index 18c4bd9a5c6564776c7ac5f35e259daae5662f48..e0d5090b303dd3840ddb2a53d2481d6ba6bacf50 100644
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -620,3 +620,7 @@ static int __init mtk_cpufreq_driver_init(void)
 	return 0;
 }
 device_initcall(mtk_cpufreq_driver_init);
+
+MODULE_DESCRIPTION("MediaTek CPUFreq driver");
+MODULE_AUTHOR("Pi-Cheng Chen <pi-cheng.chen@linaro.org>");
+MODULE_LICENSE("GPL v2");
diff --git a/tools/power/cpupower/bench/system.c b/tools/power/cpupower/bench/system.c
index c25a74ae51baef13bfa5609d2957af76941597f6..2bb3eef7d5c1fbf36d420be2801e74b4f7eeb049 100644
--- a/tools/power/cpupower/bench/system.c
+++ b/tools/power/cpupower/bench/system.c
@@ -61,7 +61,7 @@ int set_cpufreq_governor(char *governor, unsigned int cpu)
 
 	dprintf("set %s as cpufreq governor\n", governor);
 
-	if (cpupower_is_cpu_online(cpu) != 0) {
+	if (cpupower_is_cpu_online(cpu) != 1) {
 		perror("cpufreq_cpu_exists");
 		fprintf(stderr, "error: cpu %u does not exist\n", cpu);
 		return -1;
diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
index 1b5da0066ebf90bfe4c441fab62fd26b4cc99267..5b3205f1621749bb6ebc340413ae16d957064cb9 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
@@ -130,15 +130,18 @@ static struct cpuidle_monitor *cpuidle_register(void)
 {
 	int num;
 	char *tmp;
+	int this_cpu;
+
+	this_cpu = sched_getcpu();
 
 	/* Assume idle state count is the same for all CPUs */
-	cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(0);
+	cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(this_cpu);
 
 	if (cpuidle_sysfs_monitor.hw_states_num <= 0)
 		return NULL;
 
 	for (num = 0; num < cpuidle_sysfs_monitor.hw_states_num; num++) {
-		tmp = cpuidle_state_name(0, num);
+		tmp = cpuidle_state_name(this_cpu, num);
 		if (tmp == NULL)
 			continue;
 
@@ -146,7 +149,7 @@ static struct cpuidle_monitor *cpuidle_register(void)
 		strncpy(cpuidle_cstates[num].name, tmp, CSTATE_NAME_LEN - 1);
 		free(tmp);
 
-		tmp = cpuidle_state_desc(0, num);
+		tmp = cpuidle_state_desc(this_cpu, num);
 		if (tmp == NULL)
 			continue;
 		strncpy(cpuidle_cstates[num].desc, tmp,	CSTATE_DESC_LEN - 1);