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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-11-07 19:26:02 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-11-07 19:26:02 +0100
commit15d4cb9013ab7cdf10760aeabd07b007d635b321 (patch)
tree6c49842895e8f925881e4d0ccbc597b7081c8508 /drivers/cpufreq/ppc-corenet-cpufreq.c
parentadf9684588ec1769b77a9e1c7c68fbad49ec5e43 (diff)
parentfbbcdc0744dace5fcc8147d11c5fb0791126848a (diff)
Merge branch 'pm-cpufreq'
* pm-cpufreq: intel_pstate: skip the driver if ACPI has power mgmt option cpufreq: ondemand: Remove redundant return statement cpufreq: move freq change notifications to cpufreq core cpufreq: distinguish drivers that do asynchronous notifications cpufreq/intel_pstate: Add static declarations to internal functions cpufreq: arm_big_little: reconfigure switcher behavior at run time cpufreq: arm_big_little: add in-kernel switching (IKS) support ARM: vexpress/TC2: register vexpress-spc cpufreq device cpufreq: arm_big_little: add vexpress SPC interface driver ARM: vexpress/TC2: add cpu clock support ARM: vexpress/TC2: add support for CPU DVFS
Diffstat (limited to 'drivers/cpufreq/ppc-corenet-cpufreq.c')
-rw-r--r--drivers/cpufreq/ppc-corenet-cpufreq.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/drivers/cpufreq/ppc-corenet-cpufreq.c b/drivers/cpufreq/ppc-corenet-cpufreq.c
index 79d8e9c46b6d..3f7be46d2b27 100644
--- a/drivers/cpufreq/ppc-corenet-cpufreq.c
+++ b/drivers/cpufreq/ppc-corenet-cpufreq.c
@@ -69,8 +69,6 @@ static const struct soc_data sdata[] = {
static u32 min_cpufreq;
static const u32 *fmask;
-/* serialize frequency changes */
-static DEFINE_MUTEX(cpufreq_lock);
static DEFINE_PER_CPU(struct cpu_data *, cpu_data);
/* cpumask in a cluster */
@@ -253,26 +251,11 @@ static int __exit corenet_cpufreq_cpu_exit(struct cpufreq_policy *policy)
static int corenet_cpufreq_target(struct cpufreq_policy *policy,
unsigned int index)
{
- struct cpufreq_freqs freqs;
struct clk *parent;
- int ret;
struct cpu_data *data = per_cpu(cpu_data, policy->cpu);
- freqs.old = policy->cur;
- freqs.new = data->table[index].frequency;
-
- mutex_lock(&cpufreq_lock);
- cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
-
parent = of_clk_get(data->parent, data->table[index].driver_data);
- ret = clk_set_parent(data->clk, parent);
- if (ret)
- freqs.new = freqs.old;
-
- cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
- mutex_unlock(&cpufreq_lock);
-
- return ret;
+ return clk_set_parent(data->clk, parent);
}
static struct cpufreq_driver ppc_corenet_cpufreq_driver = {