ar71xx: use soc specific divider for mdio clock

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18225 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 17 insertions, 8 deletions

diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
index f4ae0eb17..77962fec8 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
@@ -103,9 +103,10 @@ struct ag71xx_ring {
 };
 
 struct ag71xx_mdio {
-	struct mii_bus	*mii_bus;
-	int		mii_irq[PHY_MAX_ADDR];
-	void __iomem	*mdio_base;
+	struct mii_bus		*mii_bus;
+	int			mii_irq[PHY_MAX_ADDR];
+	void __iomem		*mdio_base;
+	struct ag71xx_mdio_platform_data *pdata;
 };
 
 struct ag71xx {
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 d3cbacedb..b6fccbbcd 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
@@ -106,7 +106,10 @@ static int ag71xx_mdio_reset(struct mii_bus *bus)
 	struct ag71xx_mdio *am = bus->priv;
 	u32 t;
 
-	t = MII_CFG_CLK_DIV_28;
+	if (am->pdata->is_ar7240)
+		t = MII_CFG_CLK_DIV_6;
+	else
+		t = MII_CFG_CLK_DIV_28;
 
 	ag71xx_mdio_wr(am, AG71XX_REG_MII_CFG, t | MII_CFG_RESET);
 	udelay(100);
@@ -143,12 +146,20 @@ static int __init ag71xx_mdio_probe(struct platform_device *pdev)
 	if (ag71xx_mdio_bus)
 		return -EBUSY;
 
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "no platform data specified\n");
+		return -EINVAL;
+	}
+
 	am = kzalloc(sizeof(*am), GFP_KERNEL);
 	if (!am) {
 		err = -ENOMEM;
 		goto err_out;
 	}
 
+	am->pdata = pdata;
+
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
 		dev_err(&pdev->dev, "no iomem resource found\n");
@@ -177,10 +188,7 @@ static int __init ag71xx_mdio_probe(struct platform_device *pdev)
 	am->mii_bus->priv = am;
 	am->mii_bus->parent = &pdev->dev;
 	snprintf(am->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0);
-
-	pdata = pdev->dev.platform_data;
-	if (pdata)
-		am->mii_bus->phy_mask = pdata->phy_mask;
+	am->mii_bus->phy_mask = pdata->phy_mask;
 
 	for (i = 0; i < PHY_MAX_ADDR; i++)
 		am->mii_irq[i] = PHY_POLL;