From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- include/linux/pm_clock.h | 79 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 include/linux/pm_clock.h (limited to 'include/linux/pm_clock.h') diff --git a/include/linux/pm_clock.h b/include/linux/pm_clock.h new file mode 100644 index 000000000..0b0039634 --- /dev/null +++ b/include/linux/pm_clock.h @@ -0,0 +1,79 @@ +/* + * pm_clock.h - Definitions and headers related to device clocks. + * + * Copyright (C) 2011 Rafael J. Wysocki , Renesas Electronics Corp. + * + * This file is released under the GPLv2. + */ + +#ifndef _LINUX_PM_CLOCK_H +#define _LINUX_PM_CLOCK_H + +#include +#include + +struct pm_clk_notifier_block { + struct notifier_block nb; + struct dev_pm_domain *pm_domain; + char *con_ids[]; +}; + +struct clk; + +#ifdef CONFIG_PM_CLK +static inline bool pm_clk_no_clocks(struct device *dev) +{ + return dev && dev->power.subsys_data + && list_empty(&dev->power.subsys_data->clock_list); +} + +extern void pm_clk_init(struct device *dev); +extern int pm_clk_create(struct device *dev); +extern void pm_clk_destroy(struct device *dev); +extern int pm_clk_add(struct device *dev, const char *con_id); +extern int pm_clk_add_clk(struct device *dev, struct clk *clk); +extern void pm_clk_remove(struct device *dev, const char *con_id); +extern int pm_clk_suspend(struct device *dev); +extern int pm_clk_resume(struct device *dev); +#else +static inline bool pm_clk_no_clocks(struct device *dev) +{ + return true; +} +static inline void pm_clk_init(struct device *dev) +{ +} +static inline int pm_clk_create(struct device *dev) +{ + return -EINVAL; +} +static inline void pm_clk_destroy(struct device *dev) +{ +} +static inline int pm_clk_add(struct device *dev, const char *con_id) +{ + return -EINVAL; +} + +static inline int pm_clk_add_clk(struct device *dev, struct clk *clk) +{ + return -EINVAL; +} +static inline void pm_clk_remove(struct device *dev, const char *con_id) +{ +} +#define pm_clk_suspend NULL +#define pm_clk_resume NULL +#endif + +#ifdef CONFIG_HAVE_CLK +extern void pm_clk_add_notifier(struct bus_type *bus, + struct pm_clk_notifier_block *clknb); +#else +static inline void pm_clk_add_notifier(struct bus_type *bus, + struct pm_clk_notifier_block *clknb) +{ +} +#endif + +#endif -- cgit v1.2.3