diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index cf1449df4f0b406a3afff7b566a1f545cea1ce5f..9cc161df3f05d463bd703f33c93d7f3574a3097d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -125,7 +125,6 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
 			iwlagn_mod_params.num_of_queues;
 
 	priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
-	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
 	priv->hw_params.scd_bc_tbls_size =
 			priv->cfg->base_params->num_of_queues *
 			sizeof(struct iwlagn_scd_bc_tbl);
diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c
index a401113c065a752094769caf2a810143369f6d25..0c3245061f97a97a09afc2d2f55a5cde065b34b6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-2000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-2000.c
@@ -123,7 +123,6 @@ static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
 			iwlagn_mod_params.num_of_queues;
 
 	priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
-	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
 	priv->hw_params.scd_bc_tbls_size =
 		priv->cfg->base_params->num_of_queues *
 		sizeof(struct iwlagn_scd_bc_tbl);
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 82093344b9b5fa03c81f03ebc1e6d40895ce9692..0c5105f24ee4427d199e7d7cf0ea1884a1197f8a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -156,7 +156,6 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 			iwlagn_mod_params.num_of_queues;
 
 	priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
-	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
 	priv->hw_params.scd_bc_tbls_size =
 			priv->cfg->base_params->num_of_queues *
 			sizeof(struct iwlagn_scd_bc_tbl);
@@ -200,7 +199,6 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv)
 			iwlagn_mod_params.num_of_queues;
 
 	priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
-	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
 	priv->hw_params.scd_bc_tbls_size =
 			priv->cfg->base_params->num_of_queues *
 			sizeof(struct iwlagn_scd_bc_tbl);
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 2134514a40d1e6848a347c1e2ab09b1c726a0055..ced3bbea643eff3eb4e006336ef7e5f51c711795 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -144,7 +144,6 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 			iwlagn_mod_params.num_of_queues;
 
 	priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
-	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
 	priv->hw_params.scd_bc_tbls_size =
 			priv->cfg->base_params->num_of_queues *
 			sizeof(struct iwlagn_scd_bc_tbl);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index 1976582df2411b6bcc75c33f3572e14d519ff705..d31b82626a40b11fd5ef8c93f1f888a5f926fcdc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -406,7 +406,7 @@ static int iwlagn_alive_notify(struct iwl_priv *priv)
 		       priv->scd_bc_tbls.dma >> 10);
 
 	/* Enable DMA channel */
-	for (chan = 0; chan < FH50_TCSR_CHNL_NUM ; chan++)
+	for (chan = 0; chan < FH_TCSR_CHNL_NUM ; chan++)
 		iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(chan),
 				FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
 				FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 975ad79a5f77582e49d13fbd165ee78e1cd77700..92f8ce9d5a41d136e65355530d456ddc86ef93c0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -640,7 +640,6 @@ struct iwl_sensitivity_ranges {
 /**
  * struct iwl_hw_params
  * @max_txq_num: Max # Tx queues supported
- * @dma_chnl_num: Number of Tx DMA/FIFO channels
  * @scd_bc_tbls_size: size of scheduler byte count tables
  * @tfd_size: TFD size
  * @tx/rx_chains_num: Number of TX/RX chains
@@ -662,7 +661,6 @@ struct iwl_sensitivity_ranges {
  */
 struct iwl_hw_params {
 	u8 max_txq_num;
-	u8 dma_chnl_num;
 	u16 scd_bc_tbls_size;
 	u32 tfd_size;
 	u8  tx_chains_num;
diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h
index 6dfa806aefecf2695198b596c3dd49a8891fa507..0ad60b3c04db5c57bea35458c9639759fd147b71 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fh.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fh.h
@@ -326,7 +326,7 @@
 #define FH_TCSR_UPPER_BOUND  (FH_MEM_LOWER_BOUND + 0xE60)
 
 /* Find Control/Status reg for given Tx DMA/FIFO channel */
-#define FH50_TCSR_CHNL_NUM                            (8)
+#define FH_TCSR_CHNL_NUM                            (8)
 
 /* TCSR: tx_config register values */
 #define FH_TCSR_CHNL_TX_CONFIG_REG(_chnl)	\
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c
index 5c5a489a21fb3de3ce693f1785c29f2bd3ade05d..0c924569636f814b9d0d8c0516ec3fef459f4a7a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.c
@@ -529,7 +529,7 @@ static int iwl_trans_tx_stop(struct iwl_priv *priv)
 	iwlagn_txq_set_sched(priv, 0);
 
 	/* Stop each Tx DMA channel, and wait for it to be idle */
-	for (ch = 0; ch < priv->hw_params.dma_chnl_num; ch++) {
+	for (ch = 0; ch < FH_TCSR_CHNL_NUM; ch++) {
 		iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0);
 		if (iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG,
 				    FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch),