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ath9k_htc: Handle host RX disable

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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 <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2010-06-01 15:14:18 +05:30 committed by John W. Linville
parent e9201f09ad
commit 21d5130b8c
2 changed files with 11 additions and 0 deletions
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1
drivers/net/wireless/ath/ath9k/ani.c
View File

@ -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,

10
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -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);