From: Felix Fietkau Date: Thu, 19 Apr 2012 19:18:25 +0000 (+0200) Subject: ath9k_hw: increase symbol overlap window for half/quarter channels X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=3e61d3f9b2f6381f6f30d3d0ff874251a3491d05;p=~shefty%2Frdma-dev.git ath9k_hw: increase symbol overlap window for half/quarter channels Signed-off-by: Felix Fietkau Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index be6069bc483..4c8d0d77094 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -728,6 +728,10 @@ static void ar9003_hw_set_rfmode(struct ath_hw *ah, if (IS_CHAN_HALF_RATE(chan)) rfMode |= AR_PHY_MODE_HALF; + if (rfMode & (AR_PHY_MODE_QUARTER | AR_PHY_MODE_HALF)) + REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL, + AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW, 3); + REG_WRITE(ah, AR_PHY_MODE, rfMode); } diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index d834d97fe72..7268a48a92a 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -468,6 +468,9 @@ #define AR_PHY_ADDAC_PARA_CTL (AR_SM_BASE + 0x150) #define AR_PHY_XPA_CFG (AR_SM_BASE + 0x158) +#define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW 3 +#define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW_S 0 + #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A 0x0001FC00 #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A_S 10 #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A 0x3FF