Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

Author: davem330

MAINTAINERS

@@ -1087,7 +1087,6 @@ F:	drivers/net/wireless/ath/ath5k/
 ATHEROS ATH9K WIRELESS DRIVER
 M:	"Luis R. Rodriguez" <[email protected]>
 M:	Jouni Malinen <[email protected]>
-M:	Sujith Manoharan <[email protected]>
 M:	Vasanthakumar Thiagarajan <[email protected]>
 M:	Senthil Balasubramanian <[email protected]>
 L:	[email protected]

drivers/net/wireless/ath/ath9k/ar9002_calib.c

@@ -63,6 +63,7 @@ static bool ar9002_hw_per_calibration(struct ath_hw *ah,
 				      u8 rxchainmask,
 				      struct ath9k_cal_list *currCal)
 {
+	struct ath9k_hw_cal_data *caldata = ah->caldata;
 	bool iscaldone = false;
 
 	if (currCal->calState == CAL_RUNNING) {
@@ -81,14 +82,14 @@ static bool ar9002_hw_per_calibration(struct ath_hw *ah,
 				}
 
 				currCal->calData->calPostProc(ah, numChains);
-				ichan->CalValid |= currCal->calData->calType;
+				caldata->CalValid |= currCal->calData->calType;
 				currCal->calState = CAL_DONE;
 				iscaldone = true;
 			} else {
 				ar9002_hw_setup_calibration(ah, currCal);
 			}
 		}
-	} else if (!(ichan->CalValid & currCal->calData->calType)) {
+	} else if (!(caldata->CalValid & currCal->calData->calType)) {
 		ath9k_hw_reset_calibration(ah, currCal);
 	}
 
@@ -686,8 +687,13 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah,
 {
 	bool iscaldone = true;
 	struct ath9k_cal_list *currCal = ah->cal_list_curr;
+	bool nfcal, nfcal_pending = false;
 
-	if (currCal &&
+	nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF);
+	if (ah->caldata)
+		nfcal_pending = ah->caldata->nfcal_pending;
+
+	if (currCal && !nfcal &&
 	    (currCal->calState == CAL_RUNNING ||
 	     currCal->calState == CAL_WAITING)) {
 		iscaldone = ar9002_hw_per_calibration(ah, chan,
@@ -703,7 +709,7 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah,
 	}
 
 	/* Do NF cal only at longer intervals */
-	if (longcal) {
+	if (longcal || nfcal_pending) {
 		/* Do periodic PAOffset Cal */
 		ar9002_hw_pa_cal(ah, false);
 		ar9002_hw_olc_temp_compensation(ah);
@@ -712,16 +718,18 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah,
 		 * Get the value from the previous NF cal and update
 		 * history buffer.
 		 */
-		ath9k_hw_getnf(ah, chan);
-
-		/*
-		 * Load the NF from history buffer of the current channel.
-		 * NF is slow time-variant, so it is OK to use a historical
-		 * value.
-		 */
-		ath9k_hw_loadnf(ah, ah->curchan);
+		if (ath9k_hw_getnf(ah, chan)) {
+			/*
+			 * Load the NF from history buffer of the current
+			 * channel.
+			 * NF is slow time-variant, so it is OK to use a
+			 * historical value.
+			 */
+			ath9k_hw_loadnf(ah, ah->curchan);
+		}
 
-		ath9k_hw_start_nfcal(ah);
+		if (longcal)
+			ath9k_hw_start_nfcal(ah, false);
 	}
 
 	return iscaldone;
@@ -869,8 +877,10 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 	ar9002_hw_pa_cal(ah, true);
 
 	/* Do NF Calibration after DC offset and other calibrations */
-	REG_WRITE(ah, AR_PHY_AGC_CONTROL,
-		  REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_NF);
+	ath9k_hw_start_nfcal(ah, true);
+
+	if (ah->caldata)
+		ah->caldata->nfcal_pending = true;
 
 	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
 
@@ -901,7 +911,8 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 			ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
 	}
 
-	chan->CalValid = 0;
+	if (ah->caldata)
+		ah->caldata->CalValid = 0;
 
 	return true;
 }

drivers/net/wireless/ath/ath9k/ar9003_calib.c

@@ -68,6 +68,7 @@ static bool ar9003_hw_per_calibration(struct ath_hw *ah,
 				      u8 rxchainmask,
 				      struct ath9k_cal_list *currCal)
 {
+	struct ath9k_hw_cal_data *caldata = ah->caldata;
 	/* Cal is assumed not done until explicitly set below */
 	bool iscaldone = false;
 
@@ -95,7 +96,7 @@ static bool ar9003_hw_per_calibration(struct ath_hw *ah,
 				currCal->calData->calPostProc(ah, numChains);
 
 				/* Calibration has finished. */
-				ichan->CalValid |= currCal->calData->calType;
+				caldata->CalValid |= currCal->calData->calType;
 				currCal->calState = CAL_DONE;
 				iscaldone = true;
 			} else {
@@ -106,7 +107,7 @@ static bool ar9003_hw_per_calibration(struct ath_hw *ah,
 			ar9003_hw_setup_calibration(ah, currCal);
 			}
 		}
-	} else if (!(ichan->CalValid & currCal->calData->calType)) {
+	} else if (!(caldata->CalValid & currCal->calData->calType)) {
 		/* If current cal is marked invalid in channel, kick it off */
 		ath9k_hw_reset_calibration(ah, currCal);
 	}
@@ -148,6 +149,12 @@ static bool ar9003_hw_calibrate(struct ath_hw *ah,
 
 	/* Do NF cal only at longer intervals */
 	if (longcal) {
+		/*
+		 * Get the value from the previous NF cal and update
+		 * history buffer.
+		 */
+		ath9k_hw_getnf(ah, chan);
+
 		/*
 		 * Load the NF from history buffer of the current channel.
 		 * NF is slow time-variant, so it is OK to use a historical
@@ -156,7 +163,7 @@ static bool ar9003_hw_calibrate(struct ath_hw *ah,
 		ath9k_hw_loadnf(ah, ah->curchan);
 
 		/* start NF calibration, without updating BB NF register */
-		ath9k_hw_start_nfcal(ah);
+		ath9k_hw_start_nfcal(ah, false);
 	}
 
 	return iscaldone;
@@ -762,6 +769,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
 	/* Revert chainmasks to their original values before NF cal */
 	ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
 
+	ath9k_hw_start_nfcal(ah, true);
+
 	/* Initialize list pointers */
 	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
 
@@ -785,7 +794,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
 	if (ah->cal_list_curr)
 		ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
 
-	chan->CalValid = 0;
+	if (ah->caldata)
+		ah->caldata->CalValid = 0;
 
 	return true;
 }