From c1afdaff90538ef085b756454f12b29575411214 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 10 Mar 2012 13:57:04 +0100 Subject: [PATCH] ath9k: fix going to full-sleep on PS idle The check for PS_WAIT_FOR_TX_ACK was inverted, the hardware should only go to full sleep if no tx is pending. Reported-by: Sujith Manoharan Signed-off-by: Felix Fietkau Cc: stable@vger.kernel.org Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/main.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 33403a92e45f..4a9901090811 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc *sc) if (--sc->ps_usecount != 0) goto unlock; - if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK)) + if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) + goto unlock; + + if (sc->ps_idle) mode = ATH9K_PM_FULL_SLEEP; else if (sc->ps_enabled && !(sc->ps_flags & (PS_WAIT_FOR_BEACON | PS_WAIT_FOR_CAB | - PS_WAIT_FOR_PSPOLL_DATA | - PS_WAIT_FOR_TX_ACK))) + PS_WAIT_FOR_PSPOLL_DATA))) mode = ATH9K_PM_NETWORK_SLEEP; else goto unlock; -- 2.20.1