---

yaml
---
r: 202764
b: refs/heads/master
c: 9e04a7e
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ac55952633c11761187d233619f0d1048154a8a5
+refs/heads/master: 9e04a7eb1fdf37bc8bc0d0f59e5fb737926f0152

trunk/drivers/net/wireless/ath/ath5k/ath5k.h

@@ -1270,6 +1270,7 @@ int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel);
 void ath5k_hw_init_nfcal_hist(struct ath5k_hw *ah);
 int ath5k_hw_phy_calibrate(struct ath5k_hw *ah,
 			   struct ieee80211_channel *channel);
+void ath5k_hw_update_noise_floor(struct ath5k_hw *ah);
 /* Spur mitigation */
 bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah,
 				  struct ieee80211_channel *channel);

trunk/drivers/net/wireless/ath/ath5k/base.c

@@ -2807,6 +2807,7 @@ ath5k_tasklet_calibrate(unsigned long data)
 			ieee80211_frequency_to_channel(
 				sc->curchan->center_freq));
 
+	ath5k_hw_update_noise_floor(ah);
 	/* Wake queues */
 	ieee80211_wake_queues(sc->hw);
 

trunk/drivers/net/wireless/ath/ath5k/phy.c

@@ -1167,7 +1167,7 @@ static s16 ath5k_hw_get_median_noise_floor(struct ath5k_hw *ah)
  * The median of the values in the history is then loaded into the
  * hardware for its own use for RSSI and CCA measurements.
  */
-static void ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
+void ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
 {
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 	u32 val;
@@ -1248,7 +1248,6 @@ static void ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
 /*
  * Perform a PHY calibration on RF5110
  * -Fix BPSK/QAM Constellation (I/Q correction)
- * -Calculate Noise Floor
  */
 static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
 		struct ieee80211_channel *channel)
@@ -1335,8 +1334,6 @@ static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
 		return ret;
 	}
 
-	ath5k_hw_update_noise_floor(ah);
-
 	/*
 	 * Re-enable RX/TX and beacons
 	 */
@@ -1348,10 +1345,10 @@ static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
 }
 
 /*
- * Perform a PHY calibration on RF5111/5112 and newer chips
+ * Perform I/Q calibration on RF5111/5112 and newer chips
  */
-static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
-		struct ieee80211_channel *channel)
+static int
+ath5k_hw_rf511x_iq_calibrate(struct ath5k_hw *ah)
 {
 	u32 i_pwr, q_pwr;
 	s32 iq_corr, i_coff, i_coffd, q_coff, q_coffd;
@@ -1360,10 +1357,9 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 
 	if (!ah->ah_calibration ||
 		ath5k_hw_reg_read(ah, AR5K_PHY_IQ) & AR5K_PHY_IQ_RUN)
-		goto done;
+		return 0;
 
 	/* Calibration has finished, get the results and re-run */
-
 	/* work around empty results which can apparently happen on 5212 */
 	for (i = 0; i <= 10; i++) {
 		iq_corr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_CORR);
@@ -1384,7 +1380,7 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 
 	/* protect against divide by 0 and loss of sign bits */
 	if (i_coffd == 0 || q_coffd < 2)
-		goto done;
+		return -1;
 
 	i_coff = (-iq_corr) / i_coffd;
 	i_coff = clamp(i_coff, -32, 31); /* signed 6 bit */
@@ -1410,17 +1406,6 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 			AR5K_PHY_IQ_CAL_NUM_LOG_MAX, 15);
 	AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_RUN);
 
-done:
-
-	/* TODO: Separate noise floor calibration from I/Q calibration
-	 * since noise floor calibration interrupts rx path while I/Q
-	 * calibration doesn't. We don't need to run noise floor calibration
-	 * as often as I/Q calibration.*/
-	ath5k_hw_update_noise_floor(ah);
-
-	/* Initiate a gain_F calibration */
-	ath5k_hw_request_rfgain_probe(ah);
-
 	return 0;
 }
 
@@ -1434,8 +1419,10 @@ int ath5k_hw_phy_calibrate(struct ath5k_hw *ah,
 
 	if (ah->ah_radio == AR5K_RF5110)
 		ret = ath5k_hw_rf5110_calibrate(ah, channel);
-	else
-		ret = ath5k_hw_rf511x_calibrate(ah, channel);
+	else {
+		ret = ath5k_hw_rf511x_iq_calibrate(ah);
+		ath5k_hw_request_rfgain_probe(ah);
+	}
 
 	return ret;
 }