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Commit f9aa5204 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "qcom: core_ctl_helper: Add wrapper for CPU hotplug"

parents 3204cbe7 5214f9b7

drivers/soc/qcom/core_ctl_helper.c

+18 −2
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2014, The Linux Foundation. All rights reserved.

 * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -57,6 +57,22 @@ EXPORT_SYMBOL(core_ctl_find_cpu_device); 


int __ref core_ctl_online_core(unsigned int cpu)

{

	return cpu_up(cpu);

	int ret;



	lock_device_hotplug();

	ret = device_online(get_cpu_device(cpu));

	unlock_device_hotplug();

	return ret;

}

EXPORT_SYMBOL(core_ctl_online_core);



int __ref core_ctl_offline_core(unsigned int cpu)

{

	int ret;



	lock_device_hotplug();

	ret = device_offline(get_cpu_device(cpu));

	unlock_device_hotplug();

	return ret;

}

EXPORT_SYMBOL(core_ctl_offline_core);

include/soc/qcom/core_ctl.h

+2 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2014, The Linux Foundation. All rights reserved.

 * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -21,5 +21,6 @@ extern struct cpufreq_policy *core_ctl_get_policy(int cpu); 
extern void core_ctl_put_policy(struct cpufreq_policy *policy);

extern struct device *core_ctl_find_cpu_device(unsigned cpu);

extern int core_ctl_online_core(unsigned int cpu);

extern int core_ctl_offline_core(unsigned int cpu);



#endif