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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c9
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index cb2642c..b4e8145 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -324,8 +324,9 @@ struct iwl_channel_info {
#define IWL_MIN_NUM_QUEUES 10
/*
- * uCode queue management definitions ...
- * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00.
+ * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00,
+ * the driver maps it into the appropriate device FIFO for the
+ * uCode.
*/
#define IWL_CMD_QUEUE_NUM 4
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 05e7510..905ceca 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -364,8 +364,13 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
txq->need_update = 0;
- /* aggregation TX queues will get their ID when aggregation begins */
- if (txq_id <= IWL_TX_FIFO_AC3)
+ /*
+ * Aggregation TX queues will get their ID when aggregation begins;
+ * they overwrite the setting done here. The command FIFO doesn't
+ * need an swq_id so don't set one to catch errors, all others can
+ * be set up to the identity mapping.
+ */
+ if (txq_id != IWL_CMD_QUEUE_NUM)
txq->swq_id = txq_id;
/* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise