From: Gabor Juhos <juhosg@openwrt.org>
Date: Sat, 11 Feb 2012 15:12:01 +0000 (+0000)
Subject: ramips: raeth: use dma_addr_t for the descriptors
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=647af823d9db74d069f4433ba2ccb0456bc81a14;p=openwrt%2Fstaging%2Fneocturne.git

ramips: raeth: use dma_addr_t for the descriptors

SVN-Revision: 30444
---

diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c
index 17ef00bdcd..6066852152 100644
--- a/target/linux/ramips/files/drivers/net/ramips.c
+++ b/target/linux/ramips/files/drivers/net/ramips.c
@@ -134,12 +134,12 @@ ramips_cleanup_dma(struct raeth_priv *re)
 	if (re->rx)
 		dma_free_coherent(NULL,
 				  NUM_RX_DESC * sizeof(struct ramips_rx_dma),
-				  re->rx, re->phy_rx);
+				  re->rx, re->rx_desc_dma);
 
 	if (re->tx)
 		dma_free_coherent(NULL,
 				  NUM_TX_DESC * sizeof(struct ramips_tx_dma),
-				  re->tx, re->phy_tx);
+				  re->tx, re->tx_desc_dma);
 }
 
 static int
@@ -153,7 +153,7 @@ ramips_alloc_dma(struct raeth_priv *re)
 	/* setup tx ring */
 	re->tx = dma_alloc_coherent(NULL,
 				    NUM_TX_DESC * sizeof(struct ramips_tx_dma),
-				    &re->phy_tx, GFP_ATOMIC);
+				    &re->tx_desc_dma, GFP_ATOMIC);
 	if (!re->tx)
 		goto err_cleanup;
 
@@ -166,7 +166,7 @@ ramips_alloc_dma(struct raeth_priv *re)
 	/* setup rx ring */
 	re->rx = dma_alloc_coherent(NULL,
 				    NUM_RX_DESC * sizeof(struct ramips_rx_dma),
-				    &re->phy_rx, GFP_ATOMIC);
+				    &re->rx_desc_dma, GFP_ATOMIC);
 	if (!re->rx)
 		goto err_cleanup;
 
@@ -197,12 +197,12 @@ ramips_alloc_dma(struct raeth_priv *re)
 static void
 ramips_setup_dma(struct raeth_priv *re)
 {
-	ramips_fe_wr(phys_to_bus(re->phy_tx), RAMIPS_TX_BASE_PTR0);
+	ramips_fe_wr(re->tx_desc_dma, RAMIPS_TX_BASE_PTR0);
 	ramips_fe_wr(NUM_TX_DESC, RAMIPS_TX_MAX_CNT0);
 	ramips_fe_wr(0, RAMIPS_TX_CTX_IDX0);
 	ramips_fe_wr(RAMIPS_PST_DTX_IDX0, RAMIPS_PDMA_RST_CFG);
 
-	ramips_fe_wr(phys_to_bus(re->phy_rx), RAMIPS_RX_BASE_PTR0);
+	ramips_fe_wr(re->rx_desc_dma, RAMIPS_RX_BASE_PTR0);
 	ramips_fe_wr(NUM_RX_DESC, RAMIPS_RX_MAX_CNT0);
 	ramips_fe_wr((NUM_RX_DESC - 1), RAMIPS_RX_CALC_IDX0);
 	ramips_fe_wr(RAMIPS_PST_DRX_IDX0, RAMIPS_PDMA_RST_CFG);
@@ -282,7 +282,7 @@ ramips_eth_rx_hw(unsigned long ptr)
 		new_skb = netdev_alloc_skb(dev, MAX_RX_LENGTH + NET_IP_ALIGN);
 		/* Reuse the buffer on allocation failures */
 		if (new_skb) {
-			/* TODO: convert to use dma_address_t */
+			/* TODO: convert to use dma_addr_t */
 			dma_unmap_single(NULL, priv->rx[rx].rxd1, MAX_RX_LENGTH,
 					 DMA_FROM_DEVICE);
 
diff --git a/target/linux/ramips/files/drivers/net/ramips_eth.h b/target/linux/ramips/files/drivers/net/ramips_eth.h
index 9ad6046421..a69754b77a 100644
--- a/target/linux/ramips/files/drivers/net/ramips_eth.h
+++ b/target/linux/ramips/files/drivers/net/ramips_eth.h
@@ -22,6 +22,7 @@
 #include <linux/mii.h>
 #include <linux/interrupt.h>
 #include <linux/netdevice.h>
+#include <linux/dma-mapping.h>
 
 #define NUM_RX_DESC     256
 #define NUM_TX_DESC     256
@@ -214,12 +215,12 @@ struct ramips_tx_dma {
 
 struct raeth_priv
 {
-	unsigned int		phy_rx;
+	dma_addr_t		rx_desc_dma;
 	struct tasklet_struct	rx_tasklet;
 	struct ramips_rx_dma	*rx;
 	struct sk_buff		*rx_skb[NUM_RX_DESC];
 
-	unsigned int		phy_tx;
+	dma_addr_t		tx_desc_dma;
 	struct tasklet_struct	tx_housekeeping_tasklet;
 	struct ramips_tx_dma	*tx;
 	struct sk_buff		*tx_skb[NUM_TX_DESC];