From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx> Adjust the CCA values based on the regulatory domain present in the EEPROM. Signed-off-by: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/ar9003_phy.h | 4 ++++ drivers/net/wireless/ath/ath9k/hw.c | 12 ++++++++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index 6fd7523..fca6243 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -343,8 +343,12 @@ #define AR_PHY_CCA_NOM_VAL_9462_2GHZ -127 #define AR_PHY_CCA_MIN_GOOD_VAL_9462_2GHZ -127 +#define AR_PHY_CCA_MAX_GOOD_VAL_9462_2GHZ -60 +#define AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_2GHZ -95 #define AR_PHY_CCA_NOM_VAL_9462_5GHZ -127 #define AR_PHY_CCA_MIN_GOOD_VAL_9462_5GHZ -127 +#define AR_PHY_CCA_MAX_GOOD_VAL_9462_5GHZ -60 +#define AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_5GHZ -100 #define AR_PHY_CCA_NOM_VAL_9330_2GHZ -118 diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index ecc6ec4..260e0c6 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -549,6 +549,18 @@ static int ath9k_hw_post_init(struct ath_hw *ah) ath9k_hw_ani_init(ah); + /* + * EEPROM needs to be initialized before we do this. + * This is required for regulatory compliance. + */ + if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) { + u16 regdmn = ah->eep_ops->get_eeprom(ah, EEP_REG_0); + if ((regdmn & 0xF0) == CTL_FCC) { + ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_2GHZ; + ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_5GHZ; + } + } + return 0; } -- 1.8.4 -- 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