Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

[pandora-kernel.git] / drivers / acpi / processor_idle.c

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 2dd2c1f..556ee15 100644 (file)
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1669,6 +1669,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
                return -EINVAL;
        }
 
+       dev->cpu = pr->id;
        for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
                dev->states[i].name[0] = '\0';
                dev->states[i].desc[0] = '\0';
@@ -1738,7 +1739,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
 
 int acpi_processor_cst_has_changed(struct acpi_processor *pr)
 {
-       int ret;
+       int ret = 0;
 
        if (boot_option_idle_override)
                return 0;
@@ -1756,8 +1757,10 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
        cpuidle_pause_and_lock();
        cpuidle_disable_device(&pr->power.dev);
        acpi_processor_get_power_info(pr);
-       acpi_processor_setup_cpuidle(pr);
-       ret = cpuidle_enable_device(&pr->power.dev);
+       if (pr->flags.power) {
+               acpi_processor_setup_cpuidle(pr);
+               ret = cpuidle_enable_device(&pr->power.dev);
+       }
        cpuidle_resume_and_unlock();
 
        return ret;
@@ -1813,7 +1816,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
        if (pr->flags.power) {
 #ifdef CONFIG_CPU_IDLE
                acpi_processor_setup_cpuidle(pr);
-               pr->power.dev.cpu = pr->id;
                if (cpuidle_register_device(&pr->power.dev))
                        return -EIO;
 #endif
@@ -1850,8 +1852,7 @@ int acpi_processor_power_exit(struct acpi_processor *pr,
                return 0;
 
 #ifdef CONFIG_CPU_IDLE
-       if (pr->flags.power)
-               cpuidle_unregister_device(&pr->power.dev);
+       cpuidle_unregister_device(&pr->power.dev);
 #endif
        pr->flags.power_setup_done = 0;