ath9k: Add debug messages to track PAPRD failures
authorMohammed Shafi Shajakhan <mshajakhan@atheros.com>
Wed, 15 Jun 2011 12:55:31 +0000 (18:25 +0530)
committerJohn W. Linville <linville@tuxdriver.com>
Fri, 17 Jun 2011 18:22:23 +0000 (14:22 -0400)
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

index 7f945333e2d80bae3438c350a4ed9e1a6c3d5ef3..e0e0e86578b44d37fc9edc390be691c2c68eabf1 100644 (file)
@@ -360,7 +360,7 @@ static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int
        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 @@ static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int
                        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 @@ void ath_paprd_calibrate(struct work_struct *work)
                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;
        }