a317e9a310
B0_CTST is a 24bit register according to the vendor driver (sk98lin). A 16bit read on B0_CTST will always return 0 for Y2_VAUX_AVAIL (1<<16), so use a 32bit read when testing Y2_VAUX_AVAIL. [This patch is copied directly from the Linux kernel tree.] Signed-off-by: Mike McCormack <mikem@ring3k.org> Signed-off-by: Michael Brown <mcb30@ipxe.org>