tree 5ca065fa67928bfb62ddb6b81c88c620b618161a
parent 08a012619a0349b8e02797bdfe57051fe7df3d3b
author Vivien Didelot <vivien.didelot@savoirfairelinux.com> 1462814571 -0400
committer David S. Miller <davem@davemloft.net> 1462818371 -0400

net: dsa: mv88e6xxx: factorize GLOBAL_CONTROL setup

All switch models configure the GLOBAL_CONTROL register with slightly
differences.

Discarding packets with excessive collisions
(GLOBAL_CONTROL_DISCARD_EXCESS) is specific to 6352 and similar
switches, and setting a maximum frame size
(GLOBAL_CONTROL_MAX_FRAME_1632) is specific to 6185 and similar
switches.

As we are centralizing the chips setup, skip these settings and don't
discard any frames yet, until we found out that such discarding by the
hardware is necessary.

Assume a common setup to enable the PHY Polling Unit if present, don't
discard any packets, and mask all interrupt sources.

Tested on 88E6352 and 88E6185.

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