1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 3b14fa8abfc7..3d549008b3e2 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -289,13 +289,15 @@ static void iwl_pcie_txq_inval_byte_cnt_tbl(struct iwl_trans *trans,
  */
 void iwl_pcie_txq_inc_wr_ptr(struct iwl_trans *trans, struct iwl_txq *txq)
 {
+        struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
         u32 reg = 0;
         int txq_id = txq->q.id;
 
         if (txq->need_update == 0)
                 return;
 
-        if (trans->cfg->base_params->shadow_reg_enable) {
+        if (trans->cfg->base_params->shadow_reg_enable ||
+            txq_id == trans_pcie->cmd_queue) {
                 /* shadow register enabled */
                 iwl_write32(trans, HBUS_TARG_WRPTR,
                             txq->q.write_ptr | (txq_id << 8));