1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Thunderbolt driver - quirks
 4 *
 5 * Copyright (c) 2020 Mario Limonciello <mario.limonciello@dell.com>
 6 */
 7
 8#include "tb.h"
 9
10static void quirk_force_power_link(struct tb_switch *sw)
11{
12	sw->quirks |= QUIRK_FORCE_POWER_LINK_CONTROLLER;
13}
14
15struct tb_quirk {
16	u16 vendor;
17	u16 device;
18	void (*hook)(struct tb_switch *sw);
19};
20
21static const struct tb_quirk tb_quirks[] = {
22	/* Dell WD19TB supports self-authentication on unplug */
23	{ 0x00d4, 0xb070, quirk_force_power_link },
24};
25
26/**
27 * tb_check_quirks() - Check for quirks to apply
28 * @sw: Thunderbolt switch
29 *
30 *  Apply any quirks for the Thunderbolt controller
31 */
32void tb_check_quirks(struct tb_switch *sw)
33{
34	int i;
35
36	for (i = 0; i < ARRAY_SIZE(tb_quirks); i++) {
37		const struct tb_quirk *q = &tb_quirks[i];
38
39		if (sw->device == q->device && sw->vendor == q->vendor)
40			q->hook(sw);
41	}
42}