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ACPI: add device_driver and hepler functions

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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: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Patrick Mochel 2006-12-07 20:56:23 +08:00 • committed by Len Brown
parent 1d268b0a0f
commit d43ec68e98
2 changed files with 3 additions and 5 deletions
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5
drivers/acpi/scan.c
View file

@ -222,11 +222,6 @@ acpi_eject_store(struct acpi_device *device, const char *buf, size_t count)
/* -------------------------------------------------------------------------- /* --------------------------------------------------------------------------
ACPI Bus operations 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) static int root_suspend(struct acpi_device * acpi_dev, pm_message_t state)
{ {
struct acpi_device * dev, * next; struct acpi_device * dev, * next;

3
include/acpi/acpi_bus.h
View file

@ -136,6 +136,7 @@ struct acpi_driver {
atomic_t references; atomic_t references;
char *ids; /* Supported Hardware IDs */ char *ids; /* Supported Hardware IDs */
struct acpi_device_ops ops; 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 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 * Events