A 32-bit mask is used by default because a NuBus slot has 32
address/data lines and a NuBus board is free to use all of them.
Cc: Greg Kroah-Hartman <email@example.com>
Tested-by: Stan Johnson <firstname.lastname@example.org>
Signed-off-by: Finn Thain <email@example.com>
Reviewed-by: Christoph Hellwig <firstname.lastname@example.org>
Signed-off-by: Geert Uytterhoeven <email@example.com>