From 6e9344fd8e90ff0bd8e74c15ec7c21eae7d54bd3 Mon Sep 17 00:00:00 2001
From: Amitkumar Karwar <akarwar@marvell.com>
Date: Thu, 12 Mar 2015 00:38:40 -0700
Subject: [PATCH] mwifiex: use del_timer variant in interrupt context

We might be in interrupt context at few places. So replace
del_timer_sync() with del_timer(). This patch fixes a kernel
trace problem seen occasionally during our testing.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
 drivers/net/wireless/mwifiex/main.c      | 2 +-
 drivers/net/wireless/mwifiex/sta_event.c | 4 ++--
 drivers/net/wireless/mwifiex/usb.c       | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 74488ab..42bf884 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -247,7 +247,7 @@ process_start:
 		if (IS_CARD_RX_RCVD(adapter)) {
 			adapter->data_received = false;
 			adapter->pm_wakeup_fw_try = false;
-			del_timer_sync(&adapter->wakeup_timer);
+			del_timer(&adapter->wakeup_timer);
 			if (adapter->ps_state == PS_STATE_SLEEP)
 				adapter->ps_state = PS_STATE_AWAKE;
 		} else {
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index 64c4223..0dc7a1d 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -312,7 +312,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 					adapter->ps_state = PS_STATE_AWAKE;
 					adapter->pm_wakeup_card_req = false;
 					adapter->pm_wakeup_fw_try = false;
-					del_timer_sync(&adapter->wakeup_timer);
+					del_timer(&adapter->wakeup_timer);
 					break;
 				}
 				if (!mwifiex_send_null_packet
@@ -327,7 +327,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 		adapter->ps_state = PS_STATE_AWAKE;
 		adapter->pm_wakeup_card_req = false;
 		adapter->pm_wakeup_fw_try = false;
-		del_timer_sync(&adapter->wakeup_timer);
+		del_timer(&adapter->wakeup_timer);
 
 		break;
 
diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c
index 2238730..8beb38c 100644
--- a/drivers/net/wireless/mwifiex/usb.c
+++ b/drivers/net/wireless/mwifiex/usb.c
@@ -1006,7 +1006,7 @@ static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter)
 {
 	/* Simulation of HS_AWAKE event */
 	adapter->pm_wakeup_fw_try = false;
-	del_timer_sync(&adapter->wakeup_timer);
+	del_timer(&adapter->wakeup_timer);
 	adapter->pm_wakeup_card_req = false;
 	adapter->ps_state = PS_STATE_AWAKE;
 
-- 
2.4.1