2 * mdio-boardinfo - Collect pre-declarations for MDIO devices
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version.
10 #include <linux/kernel.h>
11 #include <linux/slab.h>
12 #include <linux/export.h>
13 #include <linux/mutex.h>
14 #include <linux/list.h>
16 #include "mdio-boardinfo.h"
18 static LIST_HEAD(mdio_board_list);
19 static DEFINE_MUTEX(mdio_board_lock);
22 * mdiobus_setup_mdiodev_from_board_info - create and setup MDIO devices
23 * from pre-collected board specific MDIO information
24 * @mdiodev: MDIO device pointer
27 void mdiobus_setup_mdiodev_from_board_info(struct mii_bus *bus,
30 struct mdio_board_info *bi))
32 struct mdio_board_entry *be;
33 struct mdio_board_entry *tmp;
34 struct mdio_board_info *bi;
37 mutex_lock(&mdio_board_lock);
38 list_for_each_entry_safe(be, tmp, &mdio_board_list, list) {
41 if (strcmp(bus->id, bi->bus_id))
44 mutex_unlock(&mdio_board_lock);
46 mutex_lock(&mdio_board_lock);
51 mutex_unlock(&mdio_board_lock);
53 EXPORT_SYMBOL(mdiobus_setup_mdiodev_from_board_info);
56 * mdio_register_board_info - register MDIO devices for a given board
57 * @info: array of devices descriptors
58 * @n: number of descriptors provided
61 * The board info passed can be marked with __initdata but be pointers
62 * such as platform_data etc. are copied as-is
64 int mdiobus_register_board_info(const struct mdio_board_info *info,
67 struct mdio_board_entry *be;
70 be = kcalloc(n, sizeof(*be), GFP_KERNEL);
74 for (i = 0; i < n; i++, be++, info++) {
75 memcpy(&be->board_info, info, sizeof(*info));
76 mutex_lock(&mdio_board_lock);
77 list_add_tail(&be->list, &mdio_board_list);
78 mutex_unlock(&mdio_board_lock);
83 EXPORT_SYMBOL(mdiobus_register_board_info);