From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Since the queue might not be empty, we need to free the
pending Tx packets.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/pcie/internal.h | 1 +
drivers/net/wireless/iwlwifi/pcie/trans.c | 4 ++--
drivers/net/wireless/iwlwifi/pcie/tx.c | 2 ++
3 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h
index 401178f..6ce58f0 100644
--- a/drivers/net/wireless/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/iwlwifi/pcie/internal.h
@@ -346,6 +346,7 @@ void iwl_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq,
enum dma_data_direction dma_dir);
int iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index,
struct sk_buff_head *skbs);
+void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id);
int iwl_queue_space(const struct iwl_queue *q);
/*****************************************************
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index f95d88d..a6a5181 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -442,10 +442,10 @@ static int iwl_trans_txq_init(struct iwl_trans *trans, struct iwl_tx_queue *txq,
return 0;
}
-/**
+/*
* iwl_tx_queue_unmap - Unmap any remaining DMA mappings and free skb's
*/
-static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id)
+void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index db3efbb..5db0314 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -494,6 +494,8 @@ void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
_iwl_write_targ_mem_dwords(trans, stts_addr,
zero_val, ARRAY_SIZE(zero_val));
+ iwl_tx_queue_unmap(trans, txq_id);
+
IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
}
--
1.7.10.4
--
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