From: Miaoqing Pan <miaoqing@xxxxxxxxxxxxxx> JP WiFi certification for bandwidth of channel 14 failed, the OBW is lower than the requirement. Clear the bb filter calibration power threshold to increase OBW(+2). The fix only for qca9531 chip now. Signed-off-by: Miaoqing Pan <miaoqing@xxxxxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/ar9003_phy.c | 7 ++++++- drivers/net/wireless/ath/ath9k/ar9003_phy.h | 3 +++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index 201425e..ac1586a 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -976,9 +976,14 @@ static int ar9003_hw_process_ini(struct ath_hw *ah, /* * JAPAN regulatory. */ - if (chan->channel == 2484) + if (chan->channel == 2484) { ar9003_hw_prog_ini(ah, &ah->iniCckfirJapan2484, 1); + if (AR_SREV_9531(ah)) + REG_RMW_FIELD(ah, AR_PHY_FCAL_2_0, + AR_PHY_FLC_PWR_THRESH, 0); + } + ah->modes_index = modesIndex; ar9003_hw_override_ini(ah); ar9003_hw_set_channel_regs(ah, chan); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index c5f8bc4..566da78 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -487,6 +487,9 @@ #define AR_PHY_ADDAC_PARA_CTL (AR_SM_BASE + 0x150) #define AR_PHY_XPA_CFG (AR_SM_BASE + 0x158) +#define AR_PHY_FLC_PWR_THRESH 7 +#define AR_PHY_FLC_PWR_THRESH_S 0 + #define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW 3 #define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW_S 0 -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html