tc-driver.c

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/*
 *  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.
 */

#include <linux/init.h>
#include <linux/module.h>
#include <linux/tc.h>

int tc_register_driver(struct tc_driver *tdrv)
{
    return driver_register(&tdrv->driver);
}
EXPORT_SYMBOL(tc_register_driver);

void tc_unregister_driver(struct tc_driver *tdrv)
{
    driver_unregister(&tdrv->driver);
}
EXPORT_SYMBOL(tc_unregister_driver);

const struct tc_device_id *tc_match_device(struct tc_driver *tdrv,
                       struct tc_dev *tdev)
{
    const struct 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;
}
EXPORT_SYMBOL(tc_match_device);

static int tc_bus_match(struct device *dev, struct device_driver *drv)
{
    struct tc_dev *tdev = to_tc_dev(dev);
    struct tc_driver *tdrv = to_tc_driver(drv);
    const struct tc_device_id *id;

    id = tc_match_device(tdrv, tdev);
    if (id)
        return 1;

    return 0;
}

struct bus_type tc_bus_type = {
    .name   = "tc",
    .match  = tc_bus_match,
};
EXPORT_SYMBOL(tc_bus_type);

static int __init tc_driver_init(void)
{
    return bus_register(&tc_bus_type);
}

postcore_initcall(tc_driver_init);