iwlwifi: rename rxq->dma_addr

Rename rxq->dma_addr to rxq->bd_dma to better emphasize that the
physical address stands for the receive buffer descriptor's address.
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>

drivers/net/wireless/iwlwifi/iwl-3945.c

@@ -844,7 +844,7 @@ static int iwl3945_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
 
 static int iwl3945_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 {
-	iwl_write_direct32(priv, FH39_RCSR_RBD_BASE(0), rxq->dma_addr);
+	iwl_write_direct32(priv, FH39_RCSR_RBD_BASE(0), rxq->bd_dma);
 	iwl_write_direct32(priv, FH39_RCSR_RPTR_ADDR(0), rxq->rb_stts_dma);
 	iwl_write_direct32(priv, FH39_RCSR_WPTR(0), 0);
 	iwl_write_direct32(priv, FH39_RCSR_CONFIG(0),

drivers/net/wireless/iwlwifi/iwl-agn-lib.c

@@ -486,7 +486,7 @@ int iwlagn_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 
 	/* Tell device where to find RBD circular buffer in DRAM */
 	iwl_write_direct32(priv, FH_RSCSR_CHNL0_RBDCB_BASE_REG,
-			   (u32)(rxq->dma_addr >> 8));
+			   (u32)(rxq->bd_dma >> 8));
 
 	/* Tell device where in DRAM to update its Rx status */
 	iwl_write_direct32(priv, FH_RSCSR_CHNL0_STTS_WPTR_REG,
@@ -751,7 +751,7 @@ void iwlagn_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 	}
 
 	dma_free_coherent(&priv->pci_dev->dev, 4 * RX_QUEUE_SIZE, rxq->bd,
-			  rxq->dma_addr);
+			  rxq->bd_dma);
 	dma_free_coherent(&priv->pci_dev->dev, sizeof(struct iwl_rb_status),
 			  rxq->rb_stts, rxq->rb_stts_dma);
 	rxq->bd = NULL;

drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -348,7 +348,7 @@ struct iwl_host_cmd {
 /**
  * struct iwl_rx_queue - Rx queue
  * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
- * @dma_addr: bus address of buffer of receive buffer descriptors (rbd)
+ * @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
  * @read: Shared index to newest available Rx buffer
  * @write: Shared index to oldest written Rx packet
  * @free_count: Number of pre-allocated buffers in rx_free
@@ -362,7 +362,7 @@ struct iwl_host_cmd {
  */
 struct iwl_rx_queue {
 	__le32 *bd;
-	dma_addr_t dma_addr;
+	dma_addr_t bd_dma;
 	struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
 	struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
 	u32 read;

drivers/net/wireless/iwlwifi/iwl-rx.c

@@ -175,7 +175,7 @@ int iwl_rx_queue_alloc(struct iwl_priv *priv)
 	INIT_LIST_HEAD(&rxq->rx_used);
 
 	/* Alloc the circular buffer of Read Buffer Descriptors (RBDs) */
-	rxq->bd = dma_alloc_coherent(dev, 4 * RX_QUEUE_SIZE, &rxq->dma_addr,
+	rxq->bd = dma_alloc_coherent(dev, 4 * RX_QUEUE_SIZE, &rxq->bd_dma,
 				     GFP_KERNEL);
 	if (!rxq->bd)
 		goto err_bd;
@@ -199,7 +199,7 @@ int iwl_rx_queue_alloc(struct iwl_priv *priv)
 
 err_rb:
 	dma_free_coherent(&priv->pci_dev->dev, 4 * RX_QUEUE_SIZE, rxq->bd,
-			  rxq->dma_addr);
+			  rxq->bd_dma);
 err_bd:
 	return -ENOMEM;
 }

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -1171,7 +1171,7 @@ static void iwl3945_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rx
 	}
 
 	dma_free_coherent(&priv->pci_dev->dev, 4 * RX_QUEUE_SIZE, rxq->bd,
-			  rxq->dma_addr);
+			  rxq->bd_dma);
 	dma_free_coherent(&priv->pci_dev->dev, sizeof(struct iwl_rb_status),
 			  rxq->rb_stts, rxq->rb_stts_dma);
 	rxq->bd = NULL;