ath9k: Initialize NF values properly

Using AR_SREV_* macros for setting up the chip-specific NF
values will make adding support for new chips hard. Use separate
macros for each chip. Currently, AR9462 has the same value for
all NF limits.
Signed-off-by: NSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/ar9003_phy.c

@@ -1099,13 +1099,20 @@ static void ar9003_hw_set_nf_limits(struct ath_hw *ah)
 {
 	ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_2GHZ;
 	ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_2GHZ;
-	if (AR_SREV_9330(ah))
-		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9330_2GHZ;
-	else
-		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9300_2GHZ;
+	ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9300_2GHZ;
 	ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_5GHZ;
 	ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_5GHZ;
 	ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9300_5GHZ;
+
+	if (AR_SREV_9330(ah))
+		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9330_2GHZ;
+
+	if (AR_SREV_9462(ah)) {
+		ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9462_2GHZ;
+		ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9462_2GHZ;
+		ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9462_5GHZ;
+		ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9462_5GHZ;
+	}
 }
 
 /*

drivers/net/wireless/ath/ath9k/ar9003_phy.h

@@ -325,13 +325,18 @@
 
 #define AR_PHY_RX_OCGAIN        (AR_AGC_BASE + 0x200)
 
-#define AR_PHY_CCA_NOM_VAL_9300_2GHZ          (AR_SREV_9462(ah) ? -127 : -110)
-#define AR_PHY_CCA_NOM_VAL_9300_5GHZ          (AR_SREV_9462(ah) ? -127 : -115)
-#define AR_PHY_CCA_MIN_GOOD_VAL_9300_2GHZ     (AR_SREV_9462(ah) ? -127 : -125)
-#define AR_PHY_CCA_MIN_GOOD_VAL_9300_5GHZ     (AR_SREV_9462(ah) ? -127 : -125)
+#define AR_PHY_CCA_NOM_VAL_9300_2GHZ          -110
+#define AR_PHY_CCA_NOM_VAL_9300_5GHZ          -115
+#define AR_PHY_CCA_MIN_GOOD_VAL_9300_2GHZ     -125
+#define AR_PHY_CCA_MIN_GOOD_VAL_9300_5GHZ     -125
 #define AR_PHY_CCA_MAX_GOOD_VAL_9300_2GHZ     -95
 #define AR_PHY_CCA_MAX_GOOD_VAL_9300_5GHZ     -100
 
+#define AR_PHY_CCA_NOM_VAL_9462_2GHZ          -127
+#define AR_PHY_CCA_MIN_GOOD_VAL_9462_2GHZ     -127
+#define AR_PHY_CCA_NOM_VAL_9462_5GHZ          -127
+#define AR_PHY_CCA_MIN_GOOD_VAL_9462_5GHZ     -127
+
 #define AR_PHY_CCA_NOM_VAL_9330_2GHZ          -118
 
 /*