ar71xx: add support for external mii_bus

[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / drivers / net / ag71xx / ag71xx_mdio.c

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 d3ff13ec4fe56529397651a41a601b37c8b24424..6bc858cf8d631e09fccceff5204fde08d0e40eff 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
@@ -16,8 +16,6 @@
 #define AG71XX_MDIO_RETRY      1000
 #define AG71XX_MDIO_DELAY      5
 
-struct ag71xx_mdio *ag71xx_mdio_bus;
-
 static inline void ag71xx_mdio_wr(struct ag71xx_mdio *am, unsigned reg,
                                  u32 value)
 {
@@ -143,9 +141,6 @@ static int __init ag71xx_mdio_probe(struct platform_device *pdev)
        int i;
        int err;
 
-       if (ag71xx_mdio_bus)
-               return -EBUSY;
-
        pdata = pdev->dev.platform_data;
        if (!pdata) {
                dev_err(&pdev->dev, "no platform data specified\n");
@@ -202,7 +197,6 @@ static int __init ag71xx_mdio_probe(struct platform_device *pdev)
        ag71xx_mdio_dump_regs(am);
 
        platform_set_drvdata(pdev, am);
-       ag71xx_mdio_bus = am;
        return 0;
 
  err_free_bus:
@@ -220,7 +214,6 @@ static int __exit ag71xx_mdio_remove(struct platform_device *pdev)
        struct ag71xx_mdio *am = platform_get_drvdata(pdev);
 
        if (am) {
-               ag71xx_mdio_bus = NULL;
                mdiobus_unregister(am->mii_bus);
                mdiobus_free(am->mii_bus);
                iounmap(am->mdio_base);