zilog_layout
up->port.mapbase = res->start + offsetof(struct zilog_layout, channelB);
up->port.membase = membase + offsetof(struct zilog_layout, channelB);
up->port.mapbase = res->start + offsetof(struct zilog_layout, channelA);
up->port.membase = membase + offsetof(struct zilog_layout, channelA);
static struct zilog_layout __iomem **sunzilog_chip_regs;
size = num_sunzilog * sizeof(struct zilog_layout __iomem *);
struct zilog_layout __iomem *rp;
sizeof(struct zilog_layout),
rp, sizeof(struct zilog_layout));
rp, sizeof(struct zilog_layout));
struct zilog_layout __iomem *regs;
of_iounmap(&op->resource[0], regs, sizeof(struct zilog_layout));