When we have a driver that is used on both 32bit and 64bit targets and
we are talking about address space we cannot use u64 nor u32 and instead
need to use phys_addr_t.
Fixes: 377883f16d36 ("net: mvpp2x: fix phy connected to wrong mdio issue") Cc: Stefan Chulski <stefanc@marvell.com> Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Stefan Roese <sr@denx.de> Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>