diff options
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index bcbeed92458d..c0abf77c56ba 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1682,30 +1682,26 @@ ack_intr: static void intel_pstate_disable_hwp_interrupt(struct cpudata *cpudata) { - unsigned long flags; - if (!boot_cpu_has(X86_FEATURE_HWP_NOTIFY)) return; /* wrmsrl_on_cpu has to be outside spinlock as this can result in IPC */ wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, 0x00); - spin_lock_irqsave(&hwp_notify_lock, flags); + spin_lock_irq(&hwp_notify_lock); if (cpumask_test_and_clear_cpu(cpudata->cpu, &hwp_intr_enable_mask)) cancel_delayed_work(&cpudata->hwp_notify_work); - spin_unlock_irqrestore(&hwp_notify_lock, flags); + spin_unlock_irq(&hwp_notify_lock); } static void intel_pstate_enable_hwp_interrupt(struct cpudata *cpudata) { /* Enable HWP notification interrupt for guaranteed performance change */ if (boot_cpu_has(X86_FEATURE_HWP_NOTIFY)) { - unsigned long flags; - - spin_lock_irqsave(&hwp_notify_lock, flags); + spin_lock_irq(&hwp_notify_lock); INIT_DELAYED_WORK(&cpudata->hwp_notify_work, intel_pstate_notify_work); cpumask_set_cpu(cpudata->cpu, &hwp_intr_enable_mask); - spin_unlock_irqrestore(&hwp_notify_lock, flags); + spin_unlock_irq(&hwp_notify_lock); /* wrmsrl_on_cpu has to be outside spinlock as this can result in IPC */ wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, 0x01); |