dirty hack for an unknown problem......

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 7c0745c8a6bfe1845f41f88295824070ab2059c2..4adac6ee885a5d5a2f5ca8585832572b668448f6 100644 (file)
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -255,12 +255,14 @@ ar8xxx_mii_write32(struct ar8xxx_priv *priv, int phy_id, int regnum, u32 val)
 u32
 ar8xxx_read(struct ar8xxx_priv *priv, int reg)
 {
+       unsigned long flags;
        struct mii_bus *bus = priv->mii_bus;
        u16 r1, r2, page;
        u32 val;
 
        split_addr((u32) reg, &r1, &r2, &page);
 
+       local_irq_save(flags);
        mutex_lock(&bus->mdio_lock);
 
        bus->write(bus, 0x18, 0, page);
@@ -268,6 +270,7 @@ ar8xxx_read(struct ar8xxx_priv *priv, int reg)
        val = ar8xxx_mii_read32(priv, 0x10 | r2, r1);
 
        mutex_unlock(&bus->mdio_lock);
+       local_irq_restore(flags);
 
        return val;
 }
@@ -275,11 +278,13 @@ ar8xxx_read(struct ar8xxx_priv *priv, int reg)
 void
 ar8xxx_write(struct ar8xxx_priv *priv, int reg, u32 val)
 {
+       unsigned long flags;
        struct mii_bus *bus = priv->mii_bus;
        u16 r1, r2, page;
 
        split_addr((u32) reg, &r1, &r2, &page);
 
+       local_irq_save(flags);
        mutex_lock(&bus->mdio_lock);
 
        bus->write(bus, 0x18, 0, page);
@@ -287,6 +292,7 @@ ar8xxx_write(struct ar8xxx_priv *priv, int reg, u32 val)
        ar8xxx_mii_write32(priv, 0x10 | r2, r1, val);
 
        mutex_unlock(&bus->mdio_lock);
+       local_irq_restore(flags);
 }
 
 u32