wil6210: fix race condition between BACK event and Rx data
[deliverable/linux.git] / drivers / net / wireless / ath / wil6210 / debug.c
1 /*
2 * Copyright (c) 2013 Qualcomm Atheros, Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include "wil6210.h"
18 #include "trace.h"
19
20 int wil_err(struct wil6210_priv *wil, const char *fmt, ...)
21 {
22 struct net_device *ndev = wil_to_ndev(wil);
23 struct va_format vaf = {
24 .fmt = fmt,
25 };
26 va_list args;
27 int ret;
28
29 va_start(args, fmt);
30 vaf.va = &args;
31 ret = netdev_err(ndev, "%pV", &vaf);
32 trace_wil6210_log_err(&vaf);
33 va_end(args);
34
35 return ret;
36 }
37
38 int wil_info(struct wil6210_priv *wil, const char *fmt, ...)
39 {
40 struct net_device *ndev = wil_to_ndev(wil);
41 struct va_format vaf = {
42 .fmt = fmt,
43 };
44 va_list args;
45 int ret;
46
47 va_start(args, fmt);
48 vaf.va = &args;
49 ret = netdev_info(ndev, "%pV", &vaf);
50 trace_wil6210_log_info(&vaf);
51 va_end(args);
52
53 return ret;
54 }
55
56 int wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...)
57 {
58 struct va_format vaf = {
59 .fmt = fmt,
60 };
61 va_list args;
62
63 va_start(args, fmt);
64 vaf.va = &args;
65 trace_wil6210_log_dbg(&vaf);
66 va_end(args);
67
68 return 0;
69 }
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