From fdb838cdae4d4f2a478e5cfdd84026f7960b69dd Mon Sep 17 00:00:00 2001
From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Mon, 7 Mar 2011 05:49:47 +0000
Subject: [PATCH] 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>
---
net/dsa/mv88e6060.c | 7 ++++---
1 file 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)
--
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