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path: root/drivers/net/wireless/ath/wil6210/pm.c
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Diffstat (limited to 'drivers/net/wireless/ath/wil6210/pm.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/pm.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wil6210/pm.c b/drivers/net/wireless/ath/wil6210/pm.c
index 0b7ecbcac19c..11ee24d509e5 100644
--- a/drivers/net/wireless/ath/wil6210/pm.c
+++ b/drivers/net/wireless/ath/wil6210/pm.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014 Qualcomm Atheros, Inc.
+ * Copyright (c) 2014,2016 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
@@ -24,10 +24,32 @@ int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime)
wil_dbg_pm(wil, "%s(%s)\n", __func__,
is_runtime ? "runtime" : "system");
+ if (!netif_running(wil_to_ndev(wil))) {
+ /* can always sleep when down */
+ wil_dbg_pm(wil, "Interface is down\n");
+ goto out;
+ }
+ if (test_bit(wil_status_resetting, wil->status)) {
+ wil_dbg_pm(wil, "Delay suspend when resetting\n");
+ rc = -EBUSY;
+ goto out;
+ }
+ if (wil->recovery_state != fw_recovery_idle) {
+ wil_dbg_pm(wil, "Delay suspend during recovery\n");
+ rc = -EBUSY;
+ goto out;
+ }
+
+ /* interface is running */
switch (wdev->iftype) {
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
+ if (test_bit(wil_status_fwconnecting, wil->status)) {
+ wil_dbg_pm(wil, "Delay suspend when connecting\n");
+ rc = -EBUSY;
+ goto out;
+ }
break;
/* AP-like interface - can't suspend */
default:
@@ -36,6 +58,7 @@ int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime)
break;
}
+out:
wil_dbg_pm(wil, "%s(%s) => %s (%d)\n", __func__,
is_runtime ? "runtime" : "system", rc ? "No" : "Yes", rc);