net: marvell: mvpp2: add mvpp2_is_xlg() helper

Add a mvpp2_is_xlg() helper to identify whether the interface mode
should be using the XLGMAC rather than the GMAC.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King 2019-02-11 10:23:10 +00:00 • committed by David S. Miller
commit b7d286f01b