2 * TURBOchannel driver services.
4 * Copyright (c) 2005 James Simmons
5 * Copyright (c) 2006 Maciej W. Rozycki
7 * Loosely based on drivers/dio/dio-driver.c and
8 * drivers/pci/pci-driver.c.
10 * This file is subject to the terms and conditions of the GNU
11 * General Public License. See the file "COPYING" in the main
12 * directory of this archive for more details.
15 #include <linux/init.h>
16 #include <linux/module.h>
20 * tc_register_driver - register a new TC driver
21 * @drv: the driver structure to register
23 * Adds the driver structure to the list of registered drivers
24 * Returns a negative value on error, otherwise 0.
25 * If no error occurred, the driver remains registered even if
26 * no device was claimed during registration.
28 int tc_register_driver(struct tc_driver
*tdrv
)
30 return driver_register(&tdrv
->driver
);
32 EXPORT_SYMBOL(tc_register_driver
);
35 * tc_unregister_driver - unregister a TC driver
36 * @drv: the driver structure to unregister
38 * Deletes the driver structure from the list of registered TC drivers,
39 * gives it a chance to clean up by calling its remove() function for
40 * each device it was responsible for, and marks those devices as
43 void tc_unregister_driver(struct tc_driver
*tdrv
)
45 driver_unregister(&tdrv
->driver
);
47 EXPORT_SYMBOL(tc_unregister_driver
);
50 * tc_match_device - tell if a TC device structure has a matching
51 * TC device ID structure
52 * @tdrv: the TC driver to earch for matching TC device ID strings
53 * @tdev: the TC device structure to match against
55 * Used by a driver to check whether a TC device present in the
56 * system is in its list of supported devices. Returns the matching
57 * tc_device_id structure or %NULL if there is no match.
59 const struct tc_device_id
*tc_match_device(struct tc_driver
*tdrv
,
62 const struct tc_device_id
*id
= tdrv
->id_table
;
65 while (id
->name
[0] || id
->vendor
[0]) {
66 if (strcmp(tdev
->name
, id
->name
) == 0 &&
67 strcmp(tdev
->vendor
, id
->vendor
) == 0)
74 EXPORT_SYMBOL(tc_match_device
);
77 * tc_bus_match - Tell if a device structure has a matching
78 * TC device ID structure
79 * @dev: the device structure to match against
80 * @drv: the device driver to search for matching TC device ID strings
82 * Used by a driver to check whether a TC device present in the
83 * system is in its list of supported devices. Returns 1 if there
84 * is a match or 0 otherwise.
86 static int tc_bus_match(struct device
*dev
, struct device_driver
*drv
)
88 struct tc_dev
*tdev
= to_tc_dev(dev
);
89 struct tc_driver
*tdrv
= to_tc_driver(drv
);
90 const struct tc_device_id
*id
;
92 id
= tc_match_device(tdrv
, tdev
);
99 struct bus_type tc_bus_type
= {
101 .match
= tc_bus_match
,
103 EXPORT_SYMBOL(tc_bus_type
);
105 static int __init
tc_driver_init(void)
107 return bus_register(&tc_bus_type
);
110 postcore_initcall(tc_driver_init
);
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