Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index b8f3cb7..c47c921 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -576,10 +576,16 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)
 
 	spin_lock_bh(&txq->lock);
 	while (q->write_ptr != q->read_ptr) {
+		IWL_DEBUG_TX_REPLY(trans, "Q %d Free %d\n",
+				   txq_id, q->read_ptr);
 		iwl_pcie_txq_free_tfd(trans, txq);
 		q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd);
 	}
+	txq->active = false;
 	spin_unlock_bh(&txq->lock);
+
+	/* just in case - this queue may have been stopped */
+	iwl_wake_queue(trans, txq);
 }
 
 /*
@@ -927,6 +933,12 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
 
 	spin_lock_bh(&txq->lock);
 
+	if (!txq->active) {
+		IWL_DEBUG_TX_QUEUES(trans, "Q %d inactive - ignoring idx %d\n",
+				    txq_id, ssn);
+		goto out;
+	}
+
 	if (txq->q.read_ptr == tfd_num)
 		goto out;
 
@@ -1108,6 +1120,7 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
 		       (fifo << SCD_QUEUE_STTS_REG_POS_TXF) |
 		       (1 << SCD_QUEUE_STTS_REG_POS_WSL) |
 		       SCD_QUEUE_STTS_REG_MSK);
+	trans_pcie->txq[txq_id].active = true;
 	IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d on FIFO %d WrPtr: %d\n",
 			    txq_id, fifo, ssn & 0xff);
 }