dsa/mv88e6060: support nonzero mii base address

The mv88e6060 uses either the lower 16 or upper 16 mii addresses,
depending on the value of the EE_CLK/ADDR4 pin. Support both
configurations by using the sw_addr setting as base address.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 3 deletions

diff --git a/net/dsa/mv88e6060.c b/net/dsa/mv88e6060.c
index 83277f463af7..8f4ff5a2c813 100644
--- a/net/dsa/mv88e6060.c
+++ b/net/dsa/mv88e6060.c
@@ -18,7 +18,7 @@
 
 static int reg_read(struct dsa_switch *ds, int addr, int reg)
 {
-        return mdiobus_read(ds->master_mii_bus, addr, reg);
+        return mdiobus_read(ds->master_mii_bus, ds->pd->sw_addr + addr, reg);
 }
 
 #define REG_READ(addr, reg)                                     \
@@ -34,7 +34,8 @@ static int reg_read(struct dsa_switch *ds, int addr, int reg)
 
 static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
 {
-        return mdiobus_write(ds->master_mii_bus, addr, reg, val);
+        return mdiobus_write(ds->master_mii_bus, ds->pd->sw_addr + addr,
+                             reg, val);
 }
 
 #define REG_WRITE(addr, reg, val)                               \
@@ -50,7 +51,7 @@ static char *mv88e6060_probe(struct mii_bus *bus, int sw_addr)
 {
         int ret;
 
-        ret = mdiobus_read(bus, REG_PORT(0), 0x03);
+        ret = mdiobus_read(bus, sw_addr + REG_PORT(0), 0x03);
         if (ret >= 0) {
                 ret &= 0xfff0;
                 if (ret == 0x0600)