From: Sujith Date: Tue, 1 Jun 2010 09:44:18 +0000 (+0530) Subject: ath9k_htc: Handle host RX disable X-Git-Tag: v2.6.36-rc1~571^2~107^2~360 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=21d5130b8cb8e19a3e69e704aa29d918624fce49;p=platform%2Fkernel%2Flinux-stable.git ath9k_htc: Handle host RX disable The MIB counters used by ANI have to be disabled on the host because the FW doesn't do it on the target side. Also, flush the receive buffers before initializing RX on the target. Signed-off-by: Sujith Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index ba8b20f..3da820f 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -495,6 +495,7 @@ void ath9k_hw_disable_mib_counters(struct ath_hw *ah) REG_WRITE(ah, AR_FILT_OFDM, 0); REG_WRITE(ah, AR_FILT_CCK, 0); } +EXPORT_SYMBOL(ath9k_hw_disable_mib_counters); u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, u32 *rxc_pcnt, diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index ba26a98..6bc05fe 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1117,6 +1117,12 @@ static void ath9k_htc_radio_disable(struct ieee80211_hw *hw) /* Stop RX */ WMI_CMD(WMI_STOP_RECV_CMDID); + /* + * The MIB counters have to be disabled here, + * since the target doesn't do it. + */ + ath9k_hw_disable_mib_counters(ah); + if (!ah->curchan) ah->curchan = ath9k_cmn_get_curchannel(hw, ah); @@ -1198,6 +1204,10 @@ static int ath9k_htc_start(struct ieee80211_hw *hw) "Starting driver with initial channel: %d MHz\n", curchan->center_freq); + /* Ensure that HW is awake before flushing RX */ + ath9k_htc_setpower(priv, ATH9K_PM_AWAKE); + WMI_CMD(WMI_FLUSH_RECV_CMDID); + /* setup initial channel */ init_channel = ath9k_cmn_get_curchannel(hw, ah);