From: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Date: Fri, 13 Apr 2012 11:14:21 +0000 (+0530)
Subject: ath9k: skip beaconing when reset work is pending
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4e7fb7187d69132cf8223d4f8a49f86a6aba529d;p=linux-beck.git

ath9k: skip beaconing when reset work is pending

Whenever the reset work is queued up, do not generate beacon. And also
clear the beacon miss count once the beacon stuck was observed.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 1bf2f57b091c..f20610b1d2ce 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -359,6 +359,11 @@ void ath_beacon_tasklet(unsigned long data)
 	int slot;
 	u32 bfaddr, bc = 0;
 
+	if (work_pending(&sc->hw_reset_work)) {
+		ath_dbg(common, RESET,
+			"reset work is pending, skip beaconing now\n");
+		return;
+	}
 	/*
 	 * Check if the previous beacon has gone out.  If
 	 * not don't try to post another, skip this period
@@ -381,6 +386,7 @@ void ath_beacon_tasklet(unsigned long data)
 				ath9k_hw_bstuck_nfcal(ah);
 		} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
 			ath_dbg(common, BSTUCK, "beacon is officially stuck\n");
+			sc->beacon.bmisscnt = 0;
 			sc->sc_flags |= SC_OP_TSF_RESET;
 			ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
 		}