/* * TURBOchannel driver services. * * Copyright (c) 2005 James Simmons * Copyright (c) 2006 Maciej W. Rozycki * * Loosely based on drivers/dio/dio-driver.c and * drivers/pci/pci-driver.c. * * This file is subject to the terms and conditions of the GNU * General Public License. See the file "COPYING" in the main * directory of this archive for more details.
*/
/** * tc_register_driver - register a new TC driver * @drv: the driver structure to register * * Adds the driver structure to the list of registered drivers * Returns a negative value on error, otherwise 0. * If no error occurred, the driver remains registered even if * no device was claimed during registration.
*/ int tc_register_driver(struct tc_driver *tdrv)
{ return driver_register(&tdrv->driver);
}
EXPORT_SYMBOL(tc_register_driver);
/** * tc_unregister_driver - unregister a TC driver * @drv: the driver structure to unregister * * Deletes the driver structure from the list of registered TC drivers, * gives it a chance to clean up by calling its remove() function for * each device it was responsible for, and marks those devices as * driverless.
*/ void tc_unregister_driver(struct tc_driver *tdrv)
{
driver_unregister(&tdrv->driver);
}
EXPORT_SYMBOL(tc_unregister_driver);
/** * tc_match_device - tell if a TC device structure has a matching * TC device ID structure * @tdrv: the TC driver to earch for matching TC device ID strings * @tdev: the TC device structure to match against * * Used by a driver to check whether a TC device present in the * system is in its list of supported devices. Returns the matching * tc_device_id structure or %NULL if there is no match.
*/ staticconststruct tc_device_id *tc_match_device(conststruct tc_driver *tdrv, struct tc_dev *tdev)
{ conststruct tc_device_id *id = tdrv->id_table;
if (id) { while (id->name[0] || id->vendor[0]) { if (strcmp(tdev->name, id->name) == 0 &&
strcmp(tdev->vendor, id->vendor) == 0) return id;
id++;
}
} return NULL;
}
/** * tc_bus_match - Tell if a device structure has a matching * TC device ID structure * @dev: the device structure to match against * @drv: the device driver to search for matching TC device ID strings * * Used by a driver to check whether a TC device present in the * system is in its list of supported devices. Returns 1 if there * is a match or 0 otherwise.
*/ staticint tc_bus_match(struct device *dev, conststruct device_driver *drv)
{ struct tc_dev *tdev = to_tc_dev(dev); conststruct tc_driver *tdrv = to_tc_driver(drv); conststruct tc_device_id *id;
id = tc_match_device(tdrv, tdev); if (id) return 1;
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