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ACPI / idle: pass the cpuidle_device parameter

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The cpuidle_device is retrieved in the function by using directly
the global variable. But the caller of this function already have
this device and it can be passed as a parameter. That is one small
step to encapsulate the code more.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Daniel Lezcano 2013-02-04 22:44:42 +00:00 committed by Len Brown
parent e2668fb53f
commit 6ef0f086be
1 changed files with 6 additions and 5 deletions
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11
drivers/acpi/processor_idle.c
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@ -928,13 +928,14 @@ struct cpuidle_driver acpi_idle_driver = {
* device i.e. per-cpu data
*
* @pr: the ACPI processor
* @dev : the cpuidle device
*/
static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr)
static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr,
struct cpuidle_device *dev)
{
int i, count = CPUIDLE_DRIVER_STATE_START;
struct acpi_processor_cx *cx;
struct cpuidle_state_usage *state_usage;
struct cpuidle_device *dev = per_cpu(acpi_cpuidle_device, pr->id);
if (!pr->flags.power_setup_done)
return -EINVAL;
@ -1089,7 +1090,7 @@ int acpi_processor_hotplug(struct acpi_processor *pr)
cpuidle_disable_device(dev);
acpi_processor_get_power_info(pr);
if (pr->flags.power) {
acpi_processor_setup_cpuidle_cx(pr);
acpi_processor_setup_cpuidle_cx(pr, dev);
ret = cpuidle_enable_device(dev);
}
cpuidle_resume_and_unlock();
@ -1147,8 +1148,8 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
continue;
acpi_processor_get_power_info(_pr);
if (_pr->flags.power) {
acpi_processor_setup_cpuidle_cx(_pr);
dev = per_cpu(acpi_cpuidle_device, cpu);
acpi_processor_setup_cpuidle_cx(_pr, dev);
cpuidle_enable_device(dev);
}
}
@ -1217,7 +1218,7 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr)
return -ENOMEM;
per_cpu(acpi_cpuidle_device, pr->id) = dev;
acpi_processor_setup_cpuidle_cx(pr);
acpi_processor_setup_cpuidle_cx(pr, dev);
/* Register per-cpu cpuidle_device. Cpuidle driver
* must already be registered before registering device