net: dsa: Centralise getting switch id

Get the switch id and save it away in the private mv88x6xxx structure
in a centralised piece of code, rather than each driver doing it itself.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c
index 7285bd053363..41fe3a6a72d1 100644
--- a/drivers/net/dsa/mv88e6352.c
+++ b/drivers/net/dsa/mv88e6352.c
@@ -369,8 +369,6 @@ static int mv88e6352_setup(struct dsa_switch *ds)
 
         mutex_init(&ps->eeprom_mutex);
 
-        ps->id = REG_READ(REG_PORT(0), 0x03) & 0xfff0;
-
         ret = mv88e6352_switch_reset(ds);
         if (ret < 0)
                 return ret;
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 038802229e32..13572cc24c6d 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -1152,6 +1152,8 @@ int mv88e6xxx_setup_common(struct dsa_switch *ds)
         mutex_init(&ps->stats_mutex);
         mutex_init(&ps->phy_mutex);
 
+        ps->id = REG_READ(REG_PORT(0), 0x03) & 0xfff0;
+
         ps->fid_mask = (1 << DSA_MAX_PORTS) - 1;
 
         INIT_WORK(&ps->bridge_work, mv88e6xxx_bridge_work);