From: Sara Sharon <sara.sharon@xxxxxxxxx>
Currently code sets the write pointer when getting the TX queue
allocate response. This causes a redundant interrupt with any actual
change in the pointer. Remove this write altogether.
Fixes: 310181ec34e2 ("iwlwifi: move to TVQM mode")
Signed-off-by: Sara Sharon <sara.sharon@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
index e880f69eac26..0c5f11d2c5da 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
@@ -1228,8 +1228,7 @@ int iwl_trans_pcie_txq_alloc_response(struct iwl_trans *trans,
/* Place first TFD at index corresponding to start sequence number */
txq->read_ptr = wr_ptr;
txq->write_ptr = wr_ptr;
- iwl_write_direct32(trans, HBUS_TARG_WRPTR,
- (txq->write_ptr) | (qid << 16));
+
IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d\n", qid);
iwl_free_resp(hcmd);
--
2.19.1
