diff options
author | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-04-11 10:41:07 +0300 |
---|---|---|
committer | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-04-13 08:17:18 +0300 |
commit | e09b41010ba33a20a87472ee821fa407a5b8da36 (patch) | |
tree | d10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/include/linux/devfreq_cooling.h | |
parent | f93b97fd65072de626c074dbe099a1fff05ce060 (diff) |
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page.
During the rebasing, the following patch collided:
Force tick interrupt and get rid of softirq magic(I70131fb85).
Collisions have been removed because its logic was found on the
source already.
Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/include/linux/devfreq_cooling.h')
-rw-r--r-- | kernel/include/linux/devfreq_cooling.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/kernel/include/linux/devfreq_cooling.h b/kernel/include/linux/devfreq_cooling.h new file mode 100644 index 000000000..7adf6cc4b --- /dev/null +++ b/kernel/include/linux/devfreq_cooling.h @@ -0,0 +1,81 @@ +/* + * devfreq_cooling: Thermal cooling device implementation for devices using + * devfreq + * + * Copyright (C) 2014-2015 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __DEVFREQ_COOLING_H__ +#define __DEVFREQ_COOLING_H__ + +#include <linux/devfreq.h> +#include <linux/thermal.h> + +#ifdef CONFIG_DEVFREQ_THERMAL + +/** + * struct devfreq_cooling_power - Devfreq cooling power ops + * @get_static_power: Take voltage, in mV, and return the static power + * in mW. If NULL, the static power is assumed + * to be 0. + * @get_dynamic_power: Take voltage, in mV, and frequency, in HZ, and + * return the dynamic power draw in mW. If NULL, + * a simple power model is used. + * @dyn_power_coeff: Coefficient for the simple dynamic power model in + * mW/(MHz mV mV). + * If get_dynamic_power() is NULL, then the + * dynamic power is calculated as + * @dyn_power_coeff * frequency * voltage^2 + */ +struct devfreq_cooling_power { + unsigned long (*get_static_power)(unsigned long voltage); + unsigned long (*get_dynamic_power)(unsigned long freq, + unsigned long voltage); + unsigned long dyn_power_coeff; +}; + +struct thermal_cooling_device * +of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, + struct devfreq_cooling_power *dfc_power); +struct thermal_cooling_device * +of_devfreq_cooling_register(struct device_node *np, struct devfreq *df); +struct thermal_cooling_device *devfreq_cooling_register(struct devfreq *df); +void devfreq_cooling_unregister(struct thermal_cooling_device *dfc); + +#else /* !CONFIG_DEVFREQ_THERMAL */ + +struct thermal_cooling_device * +of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, + struct devfreq_cooling_power *dfc_power) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct thermal_cooling_device * +of_devfreq_cooling_register(struct device_node *np, struct devfreq *df) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct thermal_cooling_device * +devfreq_cooling_register(struct devfreq *df) +{ + return ERR_PTR(-EINVAL); +} + +static inline void +devfreq_cooling_unregister(struct thermal_cooling_device *dfc) +{ +} + +#endif /* CONFIG_DEVFREQ_THERMAL */ +#endif /* __DEVFREQ_COOLING_H__ */ |