commit d4bb17c4bed70892ea8b749a843a516424ba5638
author Mohammed Shafi Shajakhan <mshajakhan@atheros.com> Wed Jun 15 18:25:31 2011 +0530
committer John W. Linville <linville@tuxdriver.com> Fri Jun 17 14:22:23 2011 -0400
tree 63b779d6a2b35cfd4b32f4aa0c5915ecb5dea7ee
parent aec7ffdf4ff24df1fe85ed5bc9e050c4dd77617b

ath9k: Add debug messages to track PAPRD failures

Add few debug messages for some of the possible scenarios
where we can detect PAPRD failures. this will help us to be
sure that we had really enabled PAPRD

Cc: susinder@qca.qualcomm.com
Cc: senthilb@qca.qualcomm.com
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 7f94533..e0e0e86 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -360,7 +360,7 @@
 	txctl.paprd = BIT(chain);
 
 	if (ath_tx_start(hw, skb, &txctl) != 0) {
-		ath_dbg(common, ATH_DBG_XMIT, "PAPRD TX failed\n");
+		ath_dbg(common, ATH_DBG_CALIBRATE, "PAPRD TX failed\n");
 		dev_kfree_skb_any(skb);
 		return false;
 	}
@@ -369,7 +369,7 @@
 			msecs_to_jiffies(ATH_PAPRD_TIMEOUT));
 
 	if (!time_left)
-		ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CALIBRATE,
+		ath_dbg(common, ATH_DBG_CALIBRATE,
 			"Timeout waiting for paprd training on TX chain %d\n",
 			chain);
 
@@ -431,11 +431,18 @@
 		if (!ath_paprd_send_frame(sc, skb, chain))
 			goto fail_paprd;
 
-		if (!ar9003_paprd_is_done(ah))
+		if (!ar9003_paprd_is_done(ah)) {
+			ath_dbg(common, ATH_DBG_CALIBRATE,
+				"PAPRD not yet done on chain %d\n", chain);
 			break;
+		}
 
-		if (ar9003_paprd_create_curve(ah, caldata, chain) != 0)
+		if (ar9003_paprd_create_curve(ah, caldata, chain)) {
+			ath_dbg(common, ATH_DBG_CALIBRATE,
+				"PAPRD create curve failed on chain %d\n",
+								   chain);
 			break;
+		}
 
 		chain_ok = 1;
 	}