diff --git a/ath_hal/ah_internal.h b/ath_hal/ah_internal.h
index f876c8f..7e28dac 100644
--- a/ath_hal/ah_internal.h
+++ b/ath_hal/ah_internal.h
@@ -513,7 +513,7 @@ extern	u_int ath_hal_getctl(struct ath_hal *, HAL_CHANNEL *);
  * based on the current regulatory domain for the specified
  * channel.
  */
-extern	u_int ath_hal_getnfcheckrequired(struct ath_hal *, HAL_CHANNEL *);
+extern	HAL_BOOL ath_hal_getnfcheckrequired(struct ath_hal *, HAL_CHANNEL *);
 
 /*
  * Map a public channel definition to the corresponding
diff --git a/ath_hal/ar5210/ar5210.h b/ath_hal/ar5210/ar5210.h
index 857cf3c..92244b0 100644
--- a/ath_hal/ar5210/ar5210.h
+++ b/ath_hal/ar5210/ar5210.h
@@ -254,8 +254,8 @@ extern	HAL_BOOL ar5210SetKeyCacheEntry(struct ath_hal *, uint16_t entry,
 extern	HAL_BOOL ar5210SetKeyCacheEntryMac(struct ath_hal *,
 			uint16_t, const uint8_t *);
 
-extern	HAL_BOOL ar5210SetPowerMode(struct ath_hal *, uint32_t powerRequest,
-		int setChip);
+extern	HAL_BOOL ar5210SetPowerMode(struct ath_hal *,
+			HAL_POWER_MODE powerRequest, int setChip);
 extern	HAL_POWER_MODE ar5210GetPowerMode(struct ath_hal *);
 
 extern	void ar5210SetBeaconTimers(struct ath_hal *,
diff --git a/ath_hal/ar5211/ar5211.h b/ath_hal/ar5211/ar5211.h
index a6bdb94..12f3bb7 100644
--- a/ath_hal/ar5211/ar5211.h
+++ b/ath_hal/ar5211/ar5211.h
@@ -282,8 +282,8 @@ extern	HAL_BOOL ar5211SetKeyCacheEntry(struct ath_hal *, uint16_t entry,
 extern	HAL_BOOL ar5211SetKeyCacheEntryMac(struct ath_hal *,
 			uint16_t, const uint8_t *);
 
-extern	HAL_BOOL ar5211SetPowerMode(struct ath_hal *, uint32_t powerRequest,
-		int setChip);
+extern	HAL_BOOL ar5211SetPowerMode(struct ath_hal *,
+			HAL_POWER_MODE powerRequest, int setChip);
 extern	HAL_POWER_MODE ar5211GetPowerMode(struct ath_hal *);
 
 extern	void ar5211SetBeaconTimers(struct ath_hal *,