[PATCH v1 4/6] net: mv88e61xx: Directly access the switch chip

[Lukasz Majewski]

The mv88e6020 is accessed in a direct way (i.e. with direct read and
write to mdio bus). The only necessary indirection is required when
accessing its PHY registers.

Signed-off-by: Lukasz Majewski <lu...@denx.de>
Reviewed-by: Ramon Fried <rfried....@gmail.com>
---

 drivers/net/phy/mv88e61xx.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/net/phy/mv88e61xx.c b/drivers/net/phy/mv88e61xx.c
index c19c3dfa8b6d..c9917953f3d7 100644
--- a/drivers/net/phy/mv88e61xx.c
+++ b/drivers/net/phy/mv88e61xx.c
@@ -261,8 +261,11 @@ static int mv88e61xx_reg_read(struct phy_device *phydev, 
int dev, int reg)
        int smi_addr = priv->smi_addr;
        int res;
 
-       /* In single-chip mode, the device can be addressed directly */
-       if (smi_addr == 0)
+       /*
+        * In single-chip or dual-chip (like mv88e6020) mode, the device can
+        * be addressed directly.
+        */
+       if (smi_addr == 0 || priv->direct_access)
                return mdio_bus->read(mdio_bus, dev, MDIO_DEVAD_NONE, reg);
 
        /* Wait for the bus to become free */
@@ -298,11 +301,13 @@ static int mv88e61xx_reg_write(struct phy_device *phydev, 
int dev, int reg,
        int smi_addr = priv->smi_addr;
        int res;
 
-       /* In single-chip mode, the device can be addressed directly */
-       if (smi_addr == 0) {
+       /*
+        * In single-chip or dual-chip (like mv88e6020) mode, the device can
+        * be addressed directly.
+        */
+       if (smi_addr == 0 || priv->direct_access)
                return mdio_bus->write(mdio_bus, dev, MDIO_DEVAD_NONE, reg,
                                val);
-       }
 
        /* Wait for the bus to become free */
        res = mv88e61xx_smi_wait(mdio_bus, smi_addr);
-- 
2.30.2