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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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12
drivers/gpio/gpio_qmsi.c
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@ -271,16 +271,6 @@ static inline int gpio_qmsi_disable_callback(struct device *port,
return 0;
}
static inline int gpio_qmsi_suspend_port(struct device *port)
{
return -ENODEV;
}
static inline int gpio_qmsi_resume_port(struct device *port)
{
return -ENODEV;
}
static struct gpio_driver_api api_funcs = {
.config = gpio_qmsi_config,
.write = gpio_qmsi_write,
@ -288,8 +278,6 @@ static struct gpio_driver_api api_funcs = {
.set_callback = gpio_qmsi_set_callback,
.enable_callback = gpio_qmsi_enable_callback,
.disable_callback = gpio_qmsi_disable_callback,
.suspend = gpio_qmsi_suspend_port,
.resume = gpio_qmsi_resume_port
};
int gpio_qmsi_init(struct device *port)