blob: 6282e3c1a362713786b8bbb2ca7a453f270783df (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* Debug support for HID Nintendo Wiimote devices
* Copyright (c) 2011 David Herrmann
*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*/
#include <linux/module.h>
#include <linux/spinlock.h>
#include "hid-wiimote.h"
struct wiimote_debug {
struct wiimote_data *wdata;
};
int wiidebug_init(struct wiimote_data *wdata)
{
struct wiimote_debug *dbg;
unsigned long flags;
dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
if (!dbg)
return -ENOMEM;
dbg->wdata = wdata;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->debug = dbg;
spin_unlock_irqrestore(&wdata->state.lock, flags);
return 0;
}
void wiidebug_deinit(struct wiimote_data *wdata)
{
struct wiimote_debug *dbg = wdata->debug;
unsigned long flags;
if (!dbg)
return;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->debug = NULL;
spin_unlock_irqrestore(&wdata->state.lock, flags);
kfree(dbg);
}
|
