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power_mgmt: Add device power management support

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Added device power management hook infrastructure. Added
DEVICE_INIT_PM and SYS_INIT_PM macros that creates device
structures with the supplied device_ops structure containing
the hooks.

Added example support in gpio_dw driver.  Updated the sample
app and tested using LPS and Device Suspend Only policies.

Change-Id: I2fe347f8d8fd1041d8318e02738990deb8c5d68e
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Ramesh Thomas 2016-03-23 23:23:10 -07:00 • committed by Anas Nashif
commit 4104bbfb08
15 changed files with 276 additions and 144 deletions
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6
include/init.h
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@ -41,6 +41,12 @@ extern "C" {
#define SYS_INIT(init_fn, level, prio) \
DEVICE_INIT(sys_init_##init_fn, "", init_fn, NULL, NULL, level, prio)
#ifdef CONFIG_DEVICE_POWER_MANAGEMENT
#define SYS_INIT_PM(drv_name, init_fn, device_pm_ops, level, prio) \
DEVICE_INIT_PM(sys_init_##init_fn, drv_name, init_fn, device_pm_ops, \
NULL, NULL, level, prio)
#endif
#ifdef __cplusplus
}
#endif