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0508ad1f JK |
1 | /* |
2 | * FSI core driver | |
3 | * | |
4 | * Copyright (C) IBM Corporation 2016 | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | */ | |
15 | ||
16 | #include <linux/device.h> | |
17 | #include <linux/fsi.h> | |
18 | #include <linux/module.h> | |
19 | ||
20 | /* FSI core & Linux bus type definitions */ | |
21 | ||
dd37eed7 JK |
22 | static int fsi_bus_match(struct device *dev, struct device_driver *drv) |
23 | { | |
24 | struct fsi_device *fsi_dev = to_fsi_dev(dev); | |
25 | struct fsi_driver *fsi_drv = to_fsi_drv(drv); | |
26 | const struct fsi_device_id *id; | |
27 | ||
28 | if (!fsi_drv->id_table) | |
29 | return 0; | |
30 | ||
31 | for (id = fsi_drv->id_table; id->engine_type; id++) { | |
32 | if (id->engine_type != fsi_dev->engine_type) | |
33 | continue; | |
34 | if (id->version == FSI_VERSION_ANY || | |
35 | id->version == fsi_dev->version) | |
36 | return 1; | |
37 | } | |
38 | ||
39 | return 0; | |
40 | } | |
41 | ||
0508ad1f JK |
42 | struct bus_type fsi_bus_type = { |
43 | .name = "fsi", | |
dd37eed7 | 44 | .match = fsi_bus_match, |
0508ad1f JK |
45 | }; |
46 | EXPORT_SYMBOL_GPL(fsi_bus_type); | |
47 | ||
48 | static int fsi_init(void) | |
49 | { | |
50 | return bus_register(&fsi_bus_type); | |
51 | } | |
52 | ||
53 | static void fsi_exit(void) | |
54 | { | |
55 | bus_unregister(&fsi_bus_type); | |
56 | } | |
57 | ||
58 | module_init(fsi_init); | |
59 | module_exit(fsi_exit); |