summaryrefslogtreecommitdiff
path: root/drivers/acpi/scan.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/scan.c')
-rw-r--r--drivers/acpi/scan.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index c60516d0f66b..9271e5209ac1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -475,8 +475,10 @@ static LIST_HEAD(acpi_bus_drivers);
static DECLARE_MUTEX(acpi_bus_drivers_lock);
/**
- * acpi_bus_match
- * --------------
+ * acpi_bus_match - match device IDs to driver's supported IDs
+ * @device: the device that we are trying to match to a driver
+ * @driver: driver whose device id table is being checked
+ *
* Checks the device's hardware (_HID) or compatible (_CID) ids to see if it
* matches the specified driver's criteria.
*/
@@ -489,8 +491,10 @@ acpi_bus_match(struct acpi_device *device, struct acpi_driver *driver)
}
/**
- * acpi_bus_driver_init
- * --------------------
+ * acpi_bus_driver_init - add a device to a driver
+ * @device: the device to add and initialize
+ * @driver: driver for the device
+ *
* Used to initialize a device via its device driver. Called whenever a
* driver is bound to a device. Invokes the driver's add() and start() ops.
*/
@@ -603,8 +607,9 @@ static int acpi_driver_detach(struct acpi_driver *drv)
}
/**
- * acpi_bus_register_driver
- * ------------------------
+ * acpi_bus_register_driver - register a driver with the ACPI bus
+ * @driver: driver being registered
+ *
* Registers a driver with the ACPI bus. Searches the namespace for all
* devices that match the driver's criteria and binds. Returns the
* number of devices that were claimed by the driver, or a negative
@@ -633,8 +638,9 @@ int acpi_bus_register_driver(struct acpi_driver *driver)
EXPORT_SYMBOL(acpi_bus_register_driver);
/**
- * acpi_bus_unregister_driver
- * --------------------------
+ * acpi_bus_unregister_driver - unregisters a driver with the APIC bus
+ * @driver: driver to unregister
+ *
* Unregisters a driver with the ACPI bus. Searches the namespace for all
* devices that match the driver's criteria and unbinds.
*/
@@ -660,8 +666,9 @@ int acpi_bus_unregister_driver(struct acpi_driver *driver)
EXPORT_SYMBOL(acpi_bus_unregister_driver);
/**
- * acpi_bus_find_driver
- * --------------------
+ * acpi_bus_find_driver - check if there is a driver installed for the device
+ * @device: device that we are trying to find a supporting driver for
+ *
* Parses the list of registered drivers looking for a driver applicable for
* the specified device.
*/