From: Jouni Malinen Date: Tue, 19 May 2009 14:01:40 +0000 (+0300) Subject: ath9k: Use TSFOOR interrupt to trigger TSF sync with next Beacon X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=54ce846e2c5ade77bc6650d8e8c7e775e01ad859;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git ath9k: Use TSFOOR interrupt to trigger TSF sync with next Beacon If the chip complains about TSF sync, make sure we remain awake to sync with the next Beacon frame. In theory, this should not be needed since we are currently trying to receive all Beacon frames, anyway, better have this code ready should we ever change that. Signed-off-by: Jouni Malinen Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index dd54fa727a61..d2ef9732c1d9 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -480,6 +480,16 @@ static void ath9k_tasklet(unsigned long data) if (status & ATH9K_INT_TX) ath_tx_tasklet(sc); + if ((status & ATH9K_INT_TSFOOR) && + (sc->hw->conf.flags & IEEE80211_CONF_PS)) { + /* + * TSF sync does not look correct; remain awake to sync with + * the next Beacon. + */ + DPRINTF(sc, ATH_DBG_PS, "TSFOOR - Sync with next Beacon\n"); + sc->sc_flags |= SC_OP_WAIT_FOR_BEACON; + } + /* re-enable hardware interrupt */ ath9k_hw_set_interrupts(sc->sc_ah, sc->imask); ath9k_ps_restore(sc);