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Commit c1afdaff authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

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: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent ffb1c56a

drivers/net/wireless/ath/ath9k/main.c

+5 −3
Original line number Diff line number Diff line
@@ -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;