net: dsa: mv88e6131: drop VLAN Ethertype setup

The 6131 switch models have a Core Tag Type register. Their setup code
is setting it to 0x8100, which is the reset default.

Drop this specific part which is correctly configured on reset anyway.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index d05fc79..1c3b245 100644 (file)
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -65,11 +65,6 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
        int ret;
        u32 reg;
 
-       /* Set the VLAN ethertype to 0x8100. */
-       ret = mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CORE_TAG_TYPE, 0x8100);
-       if (ret)
-               return ret;
-
        /* Disable ARP mirroring, and configure the upstream port as
         * the port to which ingress and egress monitor frames are to
         * be sent.