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authorSujith Manoharan <c_manoha@qca.qualcomm.com>2013-09-02 13:59:01 +0530
committerJohn W. Linville <linville@tuxdriver.com>2013-09-26 15:13:28 -0400
commitc946868228685b66ed41a8526ba0b6c9875622c8 (patch)
tree7ba8447a8c844643700e81ab713a0c571cbdfdfc /drivers/net/wireless/ath/ath9k/ar9003_phy.c
parent7e12d6a496fefb202ea2bfbbcab7426b9bd77d5b (diff)
downloadblackbird-op-linux-c946868228685b66ed41a8526ba0b6c9875622c8.tar.gz
blackbird-op-linux-c946868228685b66ed41a8526ba0b6c9875622c8.zip
ath9k: Fix antenna diversity init for AR9565
Program the HW registers (AR_PHY_CCK_DETECT, AR_PHY_MC_GAIN_CTRL) with the correct values for AR9565 to allow LNA combining. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_phy.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_phy.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index e897648d3233..9ca9b2cd9cb6 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -1489,17 +1489,24 @@ static void ar9003_hw_set_bt_ant_diversity(struct ath_hw *ah, bool enable)
} else if (AR_SREV_9565(ah)) {
if (enable) {
REG_SET_BIT(ah, AR_PHY_MC_GAIN_CTRL,
+ AR_ANT_DIV_ENABLE);
+ REG_SET_BIT(ah, AR_PHY_MC_GAIN_CTRL,
(1 << AR_PHY_ANT_SW_RX_PROT_S));
- if (ah->curchan && IS_CHAN_2GHZ(ah->curchan))
- REG_SET_BIT(ah, AR_PHY_RESTART,
- AR_PHY_RESTART_ENABLE_DIV_M2FLAG);
+ REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
+ AR_FAST_DIV_ENABLE);
+ REG_SET_BIT(ah, AR_PHY_RESTART,
+ AR_PHY_RESTART_ENABLE_DIV_M2FLAG);
REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV,
AR_BTCOEX_WL_LNADIV_FORCE_ON);
} else {
- REG_CLR_BIT(ah, AR_PHY_MC_GAIN_CTRL, AR_ANT_DIV_ENABLE);
+ REG_CLR_BIT(ah, AR_PHY_MC_GAIN_CTRL,
+ AR_ANT_DIV_ENABLE);
REG_CLR_BIT(ah, AR_PHY_MC_GAIN_CTRL,
(1 << AR_PHY_ANT_SW_RX_PROT_S));
- REG_CLR_BIT(ah, AR_PHY_CCK_DETECT, AR_FAST_DIV_ENABLE);
+ REG_CLR_BIT(ah, AR_PHY_CCK_DETECT,
+ AR_FAST_DIV_ENABLE);
+ REG_CLR_BIT(ah, AR_PHY_RESTART,
+ AR_PHY_RESTART_ENABLE_DIV_M2FLAG);
REG_CLR_BIT(ah, AR_BTCOEX_WL_LNADIV,
AR_BTCOEX_WL_LNADIV_FORCE_ON);
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