ath9k: move ath9k_hw_fbin2freq function to eeprom.h

Both eeprom.c and ar9003_eeprom.c has an indentical
'ath9k_hw_fbin2freq' function. Move the function to
a common place and remove the duplicates.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

@@ -2931,15 +2931,6 @@ static const struct ar9300_eeprom *ar9003_eeprom_struct_find_by_id(int id)
 #undef N_LOOP
 }
 
-
-static u16 ath9k_hw_fbin2freq(u8 fbin, bool is2GHz)
-{
-	if (fbin == AR5416_BCHAN_UNUSED)
-		return fbin;
-
-	return (u16) ((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
-}
-
 static int ath9k_hw_ar9300_check_eeprom(struct ath_hw *ah)
 {
 	return 0;

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

@@ -16,14 +16,6 @@
 
 #include "hw.h"
 
-static inline u16 ath9k_hw_fbin2freq(u8 fbin, bool is2GHz)
-{
-	if (fbin == AR5416_BCHAN_UNUSED)
-		return fbin;
-
-	return (u16) ((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
-}
-
 void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val)
 {
         REG_WRITE(ah, reg, val);

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

@@ -699,6 +699,14 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
 				u16 *pPdGainBoundaries, u8 *pPDADCValues,
 				u16 numXpdGains);
 
+static inline u16 ath9k_hw_fbin2freq(u8 fbin, bool is2GHz)
+{
+	if (fbin == AR5416_BCHAN_UNUSED)
+		return fbin;
+
+	return (u16) ((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
+}
+
 #define ar5416_get_ntxchains(_txchainmask)			\
 	(((_txchainmask >> 2) & 1) +                            \
 	 ((_txchainmask >> 1) & 1) + (_txchainmask & 1))