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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* Copyright (c) 2014 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "wil6210.h"
int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime)
{
int rc = 0;
struct wireless_dev *wdev = wil->wdev;
wil_dbg_pm(wil, "%s(%s)\n", __func__,
is_runtime ? "runtime" : "system");
switch (wdev->iftype) {
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
break;
/* AP-like interface - can't suspend */
default:
wil_dbg_pm(wil, "AP-like interface\n");
rc = -EBUSY;
break;
}
wil_dbg_pm(wil, "%s(%s) => %s (%d)\n", __func__,
is_runtime ? "runtime" : "system", rc ? "No" : "Yes", rc);
return rc;
}
int wil_suspend(struct wil6210_priv *wil, bool is_runtime)
{
int rc = 0;
struct net_device *ndev = wil_to_ndev(wil);
wil_dbg_pm(wil, "%s(%s)\n", __func__,
is_runtime ? "runtime" : "system");
/* if netif up, hardware is alive, shut it down */
if (ndev->flags & IFF_UP) {
rc = wil_down(wil);
if (rc) {
wil_err(wil, "wil_down : %d\n", rc);
goto out;
}
}
if (wil->platform_ops.suspend)
rc = wil->platform_ops.suspend(wil->platform_handle);
out:
wil_dbg_pm(wil, "%s(%s) => %d\n", __func__,
is_runtime ? "runtime" : "system", rc);
return rc;
}
int wil_resume(struct wil6210_priv *wil, bool is_runtime)
{
int rc = 0;
struct net_device *ndev = wil_to_ndev(wil);
wil_dbg_pm(wil, "%s(%s)\n", __func__,
is_runtime ? "runtime" : "system");
if (wil->platform_ops.resume) {
rc = wil->platform_ops.resume(wil->platform_handle);
if (rc) {
wil_err(wil, "platform_ops.resume : %d\n", rc);
goto out;
}
}
/* if netif up, bring hardware up
* During open(), IFF_UP set after actual device method
* invocation. This prevent recursive call to wil_up()
*/
if (ndev->flags & IFF_UP)
rc = wil_up(wil);
out:
wil_dbg_pm(wil, "%s(%s) => %d\n", __func__,
is_runtime ? "runtime" : "system", rc);
return rc;
}
|
