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authorViresh Kumar <viresh.kumar@linaro.org>2013-04-01 14:57:46 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-04-02 15:26:32 +0200
commite9f51837c97d199dfa06ef448797c584755837a8 (patch)
treed142cce9210cc5978eaed5be6d35f2e424e4b1be /drivers/cpufreq
parentcpufreq: Notify all policy->cpus in cpufreq_notify_transition() (diff)
downloadlinux-e9f51837c97d199dfa06ef448797c584755837a8.tar.xz
linux-e9f51837c97d199dfa06ef448797c584755837a8.zip
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>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/p4-clockmod.c3
-rw-r--r--drivers/cpufreq/powernow-k8.c3
-rw-r--r--drivers/cpufreq/speedstep-centrino.c4
3 files changed, 1 insertions, 9 deletions
diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c
index 4b2e7737b939..421ef37d0bb3 100644
--- a/drivers/cpufreq/p4-clockmod.c
+++ b/drivers/cpufreq/p4-clockmod.c
@@ -58,8 +58,7 @@ static int cpufreq_p4_setdc(unsigned int cpu, unsigned int newstate)
{
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 52137a323965..b828efe4b2f8 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -1102,9 +1102,6 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
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 3dbbcc3519af..618e6f417b1c 100644
--- a/drivers/cpufreq/speedstep-centrino.c
+++ b/drivers/cpufreq/speedstep-centrino.c
@@ -481,10 +481,6 @@ static int centrino_target (struct cpufreq_policy *policy,
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