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-rw-r--r--target/linux/generic/files/drivers/net/phy/ar8216.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 12cba977ea..fe329d8f1d 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -77,14 +77,20 @@ static u32
ar8216_mii_read(struct ar8216_priv *priv, int reg)
{
struct phy_device *phy = priv->phy;
+ struct mii_bus *bus = phy->bus;
u16 r1, r2, page;
u16 lo, hi;
split_addr((u32) reg, &r1, &r2, &page);
- mdiobus_write(phy->bus, 0x18, 0, page);
+
+ mutex_lock(&bus->mdio_lock);
+
+ bus->write(bus, 0x18, 0, page);
msleep(1); /* wait for the page switch to propagate */
- lo = mdiobus_read(phy->bus, 0x10 | r2, r1);
- hi = mdiobus_read(phy->bus, 0x10 | r2, r1 + 1);
+ lo = bus->read(bus, 0x10 | r2, r1);
+ hi = bus->read(bus, 0x10 | r2, r1 + 1);
+
+ mutex_unlock(&bus->mdio_lock);
return (hi << 16) | lo;
}
@@ -93,17 +99,22 @@ static void
ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val)
{
struct phy_device *phy = priv->phy;
+ struct mii_bus *bus = phy->bus;
u16 r1, r2, r3;
u16 lo, hi;
split_addr((u32) reg, &r1, &r2, &r3);
- mdiobus_write(phy->bus, 0x18, 0, r3);
- msleep(1); /* wait for the page switch to propagate */
-
lo = val & 0xffff;
hi = (u16) (val >> 16);
- mdiobus_write(phy->bus, 0x10 | r2, r1 + 1, hi);
- mdiobus_write(phy->bus, 0x10 | r2, r1, lo);
+
+ mutex_lock(&bus->mdio_lock);
+
+ bus->write(bus, 0x18, 0, r3);
+ msleep(1); /* wait for the page switch to propagate */
+ bus->write(bus, 0x10 | r2, r1 + 1, hi);
+ bus->write(bus, 0x10 | r2, r1, lo);
+
+ mutex_unlock(&bus->mdio_lock);
}
static u32