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Commit c0348717 authored by Dirk Brandewie's avatar Dirk Brandewie Committed by Rafael J. Wysocki
Browse files

intel_pstate: Don't lose sysfs settings during cpu offline 

The user may have custom settings don't destroy them during suspend.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=80651


Reported-by: default avatarTobias Jakobi <liquid.acid@gmx.net>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: default avatarDirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 4521e1a0

drivers/cpufreq/intel_pstate.c

+3 −3
Original line number Diff line number Diff line
@@ -702,7 +702,9 @@ static int intel_pstate_init_cpu(unsigned int cpunum) 
{

	struct cpudata *cpu;



	all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata), GFP_KERNEL);

	if (!all_cpu_data[cpunum])

		all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata),

					       GFP_KERNEL);

	if (!all_cpu_data[cpunum])

		return -ENOMEM;
@@ -783,8 +785,6 @@ static void intel_pstate_stop_cpu(struct cpufreq_policy *policy) 


	del_timer_sync(&all_cpu_data[cpu_num]->timer);

	intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate);

	kfree(all_cpu_data[cpu_num]);

	all_cpu_data[cpu_num] = NULL;

}



static int intel_pstate_cpu_init(struct cpufreq_policy *policy)