diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index 7b7caeb01e5a..d3e8f6d3531a 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -2887,15 +2887,9 @@ enum rt2800_eeprom_word {
 #define TXPOWER_G_FROM_DEV(__txpower) \
 	((__txpower) > MAX_G_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
 
-#define TXPOWER_G_TO_DEV(__txpower) \
-	clamp_t(char, __txpower, MIN_G_TXPOWER, MAX_G_TXPOWER)
-
 #define TXPOWER_A_FROM_DEV(__txpower) \
 	((__txpower) > MAX_A_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
 
-#define TXPOWER_A_TO_DEV(__txpower) \
-	clamp_t(char, __txpower, MIN_A_TXPOWER, MAX_A_TXPOWER)
-
 /*
  *  Board's maximun TX power limitation
  */
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 958215c44485..1738a9d232c3 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2724,6 +2724,16 @@ static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
 	rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
 }
 
+static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
+				  unsigned int channel,
+				  char txpower)
+{
+	if (channel <= 14)
+		return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
+	else
+		return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
+}
+
 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 				  struct ieee80211_conf *conf,
 				  struct rf_channel *rf,
@@ -2733,13 +2743,10 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	unsigned int tx_pin;
 	u8 bbp, rfcsr;
 
-	if (rf->channel <= 14) {
-		info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1);
-		info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2);
-	} else {
-		info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1);
-		info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
-	}
+	info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
+						     info->default_power1);
+	info->default_power2 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
+						     info->default_power2);
 
 	switch (rt2x00dev->chip.rf) {
 	case RF2020: