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Commit 440ea776 authored by Antoine Tenart's avatar Antoine Tenart Committed by David S. Miller
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net: mvmdio: check the MII_ADDR_C45 bit is not set for smi operations 



Add a check for the read and write smi operations, to ensure the
MII_ADDR_C45 bit isn't set. This will be needed as soon as the xSMI
support is added to the mvmdio driver.

Signed-off-by: default avatarAntoine Tenart <antoine.tenart@free-electrons.com>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 19557966

drivers/net/ethernet/marvell/mvmdio.c

+6 −0
Original line number Diff line number Diff line
@@ -126,6 +126,9 @@ static int orion_mdio_read(struct mii_bus *bus, int mii_id, 
	u32 val;

	int ret;



	if (regnum & MII_ADDR_C45)

		return -EOPNOTSUPP;



	ret = orion_mdio_wait_ready(&orion_mdio_smi_ops, bus);

	if (ret < 0)

		goto out;
@@ -157,6 +160,9 @@ static int orion_mdio_write(struct mii_bus *bus, int mii_id, 
	struct orion_mdio_dev *dev = bus->priv;

	int ret;



	if (regnum & MII_ADDR_C45)

		return -EOPNOTSUPP;



	ret = orion_mdio_wait_ready(&orion_mdio_smi_ops, bus);

	if (ret < 0)

		goto out;