cpufreq: Don't check if cpu is online/offline for cpufreq callbacks

cpufreq layer doesn't call cpufreq driver's callback for any offline
CPU and so checking that isn't useful.

Lets get rid of it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c
index 4b2e773..421ef37 100644
--- a/drivers/cpufreq/p4-clockmod.c
+++ b/drivers/cpufreq/p4-clockmod.c
@@ -58,8 +58,7 @@
 {
 	u32 l, h;
 
-	if (!cpu_online(cpu) ||
-	    (newstate > DC_DISABLE) || (newstate == DC_RESV))
+	if ((newstate > DC_DISABLE) || (newstate == DC_RESV))
 		return -EINVAL;
 
 	rdmsr_on_cpu(cpu, MSR_IA32_THERM_STATUS, &l, &h);
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index 52137a3..b828efe 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -1102,9 +1102,6 @@
 	struct init_on_cpu init_on_cpu;
 	int rc;
 
-	if (!cpu_online(pol->cpu))
-		return -ENODEV;
-
 	smp_call_function_single(pol->cpu, check_supported_cpu, &rc, 1);
 	if (rc)
 		return -ENODEV;
diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c
index 3dbbcc3..618e6f4 100644
--- a/drivers/cpufreq/speedstep-centrino.c
+++ b/drivers/cpufreq/speedstep-centrino.c
@@ -481,10 +481,6 @@
 	for_each_cpu(j, policy->cpus) {
 		int good_cpu;
 
-		/* cpufreq holds the hotplug lock, so we are safe here */
-		if (!cpu_online(j))
-			continue;
-
 		/*
 		 * Support for SMP systems.
 		 * Make sure we are running on CPU that wants to change freq