ath10k: improve htc tx credit debugging prints

This way it's easier to track and debug htc tx
credit issues.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c
index 7f1bccd..5b58dbb 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/htc.c
+++ b/drivers/net/wireless/ath/ath10k/htc.c
@@ -157,6 +157,9 @@ int ath10k_htc_send(struct ath10k_htc *htc,
                        goto err_pull;
                }
                ep->tx_credits -= credits;
+               ath10k_dbg(ATH10K_DBG_HTC,
+                          "htc ep %d consumed %d credits (total %d)\n",
+                          eid, credits, ep->tx_credits);
                spin_unlock_bh(&htc->tx_lock);
        }
 
@@ -185,6 +188,9 @@ err_credits:
        if (ep->tx_credit_flow_enabled) {
                spin_lock_bh(&htc->tx_lock);
                ep->tx_credits += credits;
+               ath10k_dbg(ATH10K_DBG_HTC,
+                          "htc ep %d reverted %d credits back (total %d)\n",
+                          eid, credits, ep->tx_credits);
                spin_unlock_bh(&htc->tx_lock);
 
                if (ep->ep_ops.ep_tx_credits)
@@ -234,12 +240,12 @@ ath10k_htc_process_credit_report(struct ath10k_htc *htc,
                if (report->eid >= ATH10K_HTC_EP_COUNT)
                        break;
 
-               ath10k_dbg(ATH10K_DBG_HTC, "ep %d got %d credits\n",
-                          report->eid, report->credits);
-
                ep = &htc->endpoint[report->eid];
                ep->tx_credits += report->credits;
 
+               ath10k_dbg(ATH10K_DBG_HTC, "htc ep %d got %d credits (total %d)\n",
+                          report->eid, report->credits, ep->tx_credits);
+
                if (ep->ep_ops.ep_tx_credits) {
                        spin_unlock_bh(&htc->tx_lock);
                        ep->ep_ops.ep_tx_credits(htc->ar);