ar71xx: don't use mac_base2 in the ag71xx driver

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17693 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 21 insertions, 46 deletions

diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
index 39a348a76..8f966e1fd 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
@@ -38,7 +38,7 @@
 #define ETH_FCS_LEN	4
 
 #define AG71XX_DRV_NAME		"ag71xx"
-#define AG71XX_DRV_VERSION	"0.5.23"
+#define AG71XX_DRV_VERSION	"0.5.24"
 
 #define AG71XX_NAPI_WEIGHT	64
 #define AG71XX_OOM_REFILL	(1 + HZ/10)
@@ -110,7 +110,6 @@ struct ag71xx_mdio {
 
 struct ag71xx {
 	void __iomem		*mac_base;
-	void __iomem		*mac_base2;
 	void __iomem		*mii_ctrl;
 
 	spinlock_t		lock;
@@ -314,14 +313,12 @@ static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value)
 
 	switch (reg) {
 	case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
-		r = ag->mac_base + reg;
-		__raw_writel(value, r);
-		__raw_readl(r);
-		break;
 	case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-		r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
+		r = ag->mac_base + reg;
 		__raw_writel(value, r);
-		__raw_readl(r);
+
+		/* flush write */
+		(void) __raw_readl(r);
 		break;
 	default:
 		BUG();
@@ -335,11 +332,8 @@ static inline u32 ag71xx_rr(struct ag71xx *ag, unsigned reg)
 
 	switch (reg) {
 	case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
-		r = ag->mac_base + reg;
-		ret = __raw_readl(r);
-		break;
 	case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-		r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
+		r = ag->mac_base + reg;
 		ret = __raw_readl(r);
 		break;
 	default:
@@ -355,14 +349,12 @@ static inline void ag71xx_sb(struct ag71xx *ag, unsigned reg, u32 mask)
 
 	switch (reg) {
 	case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
-		r = ag->mac_base + reg;
-		__raw_writel(__raw_readl(r) | mask, r);
-		__raw_readl(r);
-		break;
 	case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-		r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
+		r = ag->mac_base + reg;
 		__raw_writel(__raw_readl(r) | mask, r);
-		__raw_readl(r);
+
+		/* flush write */
+		(void)__raw_readl(r);
 		break;
 	default:
 		BUG();
@@ -375,14 +367,12 @@ static inline void ag71xx_cb(struct ag71xx *ag, unsigned reg, u32 mask)
 
 	switch (reg) {
 	case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
-		r = ag->mac_base + reg;
-		__raw_writel(__raw_readl(r) & ~mask, r);
-		__raw_readl(r);
-		break;
 	case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-		r = ag->mac_base2 + reg - AG71XX_REG_MAC_IFCTL;
+		r = ag->mac_base + reg;
 		__raw_writel(__raw_readl(r) & ~mask, r);
-		__raw_readl(r);
+
+		/* flush write */
+		(void) __raw_readl(r);
 		break;
 	default:
 		BUG();
@@ -407,6 +397,8 @@ static inline void ag71xx_mii_ctrl_wr(struct ag71xx *ag, u32 value)
 		return;
 
 	__raw_writel(value, ag->mii_ctrl);
+
+	/* flush write */
 	__raw_readl(ag->mii_ctrl);
 }
 
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
index 0ba4d55e8..57f6b34d6 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
@@ -837,32 +837,18 @@ static int __init ag71xx_probe(struct platform_device *pdev)
 		goto err_free_dev;
 	}
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mac_base2");
-	if (!res) {
-		dev_err(&pdev->dev, "no mac_base2 resource found\n");
-		err = -ENXIO;
-		goto err_unmap_base1;
-	}
-
-	ag->mac_base2 = ioremap_nocache(res->start, res->end - res->start + 1);
-	if (!ag->mac_base) {
-		dev_err(&pdev->dev, "unable to ioremap mac_base2\n");
-		err = -ENOMEM;
-		goto err_unmap_base1;
-	}
-
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mii_ctrl");
 	if (!res) {
 		dev_err(&pdev->dev, "no mii_ctrl resource found\n");
 		err = -ENXIO;
-		goto err_unmap_base2;
+		goto err_unmap_base;
 	}
 
 	ag->mii_ctrl = ioremap_nocache(res->start, res->end - res->start + 1);
 	if (!ag->mii_ctrl) {
 		dev_err(&pdev->dev, "unable to ioremap mii_ctrl\n");
 		err = -ENOMEM;
-		goto err_unmap_base2;
+		goto err_unmap_base;
 	}
 
 	dev->irq = platform_get_irq(pdev, 0);
@@ -929,9 +915,7 @@ static int __init ag71xx_probe(struct platform_device *pdev)
 	free_irq(dev->irq, dev);
  err_unmap_mii_ctrl:
 	iounmap(ag->mii_ctrl);
- err_unmap_base2:
-	iounmap(ag->mac_base2);
- err_unmap_base1:
+ err_unmap_base:
 	iounmap(ag->mac_base);
  err_free_dev:
 	kfree(dev);
@@ -951,7 +935,6 @@ static int __exit ag71xx_remove(struct platform_device *pdev)
 		unregister_netdev(dev);
 		free_irq(dev->irq, dev);
 		iounmap(ag->mii_ctrl);
-		iounmap(ag->mac_base2);
 		iounmap(ag->mac_base);
 		kfree(dev);
 		platform_set_drvdata(pdev, NULL);
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
index 7e6452b6e..572127889 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
@@ -21,12 +21,12 @@ struct ag71xx_mdio *ag71xx_mdio_bus;
 static inline void ag71xx_mdio_wr(struct ag71xx_mdio *am, unsigned reg,
 				  u32 value)
 {
-	__raw_writel(value, am->mdio_base + reg - AG71XX_REG_MII_CFG);
+	__raw_writel(value, am->mdio_base + reg);
 }
 
 static inline u32 ag71xx_mdio_rr(struct ag71xx_mdio *am, unsigned reg)
 {
-	return __raw_readl(am->mdio_base + reg - AG71XX_REG_MII_CFG);
+	return __raw_readl(am->mdio_base + reg);
 }
 
 static void ag71xx_mdio_dump_regs(struct ag71xx_mdio *am)