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 <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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 @@
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 @@
/* 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 @@
"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);