net: dsa: mv88e6xxx: factorize GLOBAL_CONTROL_2 setup
All switch models setup the GLOBAL_CONTROL_2 register with slightly
differences.
Since the cascade mode is valid even in a single chip setup, factorize
such configuration.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 27551c1..d8bb4c8 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2950,6 +2950,13 @@
if (err)
return err;
+ /* Disable remote management, and set the switch's DSA device number. */
+ err = _mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2,
+ GLOBAL_CONTROL_2_MULTIPLE_CASCADE |
+ (ds->index & 0x1f));
+ if (err)
+ return err;
+
/* Set the default address aging time to 5 minutes, and
* enable address learn messages to be sent to all message
* ports.
