From: Sujith <Sujith.Manoharan@atheros.com>
Date: Fri, 9 Oct 2009 04:21:28 +0000 (+0530)
Subject: ath9k: Fix TX hang poll routine
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=332c556633b8c5fb4e890b1783122f2315526590;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ath9k: Fix TX hang poll routine

When TX is hung, the chip is reset. Ensure that
the chip is awake by using the PS wrappers.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index a8620b1d091b..2a4efcbced60 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2079,7 +2079,9 @@ static void ath_tx_complete_poll_work(struct work_struct *work)
 	if (needreset) {
 		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
 			  "tx hung, resetting the chip\n");
+		ath9k_ps_wakeup(sc);
 		ath_reset(sc, false);
+		ath9k_ps_restore(sc);
 	}
 
 	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,