ath9k_hw: fix calibration issues on chainmask that don't include chain 0

commit 4a8f199508d79ff8a7d1e22f47b912baaf225336 upstream.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: CAI Qian <caiqian@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 84b558d126caf6d01d883fbbb6325aeae58ff286..678854aba0c879235df7b34cc325c1d8352a764e 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -903,6 +903,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
                                          AR_PHY_CL_TAB_1,
                                          AR_PHY_CL_TAB_2 };
 
+       ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
+
        if (rtt) {
                if (!ar9003_hw_rtt_restore(ah, chan))
                        run_rtt_cal = true;

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 8a38ff28d068841ddbe042c5fe992668a7017e25..678498655cac05b0c27ed037e04a19f43e7c7e10 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -586,7 +586,7 @@ static void ar9003_hw_init_bb(struct ath_hw *ah,
        ath9k_hw_synth_delay(ah, chan, synthDelay);
 }
 
-static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
+void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
 {
        if (ah->caps.tx_chainmask == 5 || ah->caps.rx_chainmask == 5)
                REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index dbc1b7a4cbfdc0eeca59efa19f4d52e7e09044ec..b68aaf56e699d396dfb6ecbd02d2ae976eea4228 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -1063,6 +1063,7 @@ int ar9003_paprd_create_curve(struct ath_hw *ah,
 int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
 int ar9003_paprd_init_table(struct ath_hw *ah);
 bool ar9003_paprd_is_done(struct ath_hw *ah);
+void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
 
 /* Hardware family op attach helpers */
 void ar5008_hw_attach_phy_ops(struct ath_hw *ah);