Commit d43ec68e authored by Patrick Mochel's avatar Patrick Mochel Committed by Len Brown
Browse files

ACPI: add device_driver and hepler functions 



Add device_driver into acpi_driver for driver model.
Add helper functions 'to_acpi_device' and 'to_acpi_driver'
to get structure acpi_device/acpi_driver by device/device_driver.

Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 1d268b0a

drivers/acpi/scan.c

+0 −5
Original line number Diff line number Diff line
@@ -222,11 +222,6 @@ acpi_eject_store(struct acpi_device *device, const char *buf, size_t count) 
/* --------------------------------------------------------------------------

			ACPI Bus operations

   -------------------------------------------------------------------------- */

static inline struct acpi_device * to_acpi_device(struct device * dev)

{

	return container_of(dev, struct acpi_device, dev);

}



static int root_suspend(struct acpi_device * acpi_dev, pm_message_t state)

{

	struct acpi_device * dev, * next;

include/acpi/acpi_bus.h

+3 −0
Original line number Diff line number Diff line
@@ -136,6 +136,7 @@ struct acpi_driver { 
	atomic_t references;

	char *ids;		/* Supported Hardware IDs */

	struct acpi_device_ops ops;

	struct device_driver drv;

};



/*
@@ -301,6 +302,8 @@ struct acpi_device { 
};



#define acpi_driver_data(d)	((d)->driver_data)

#define to_acpi_device(d)	container_of(d, struct acpi_device, dev)

#define to_acpi_driver(d)	container_of(d, struct acpi_driver, drv)



/*

 * Events

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