cg3_regs
struct cg3_regs __iomem *regs;
struct cg3_regs __iomem *regs = par->regs;
sizeof(struct cg3_regs), "cg3 regs");
of_iounmap(&op->resource[0], par->regs, sizeof(struct cg3_regs));
of_iounmap(&op->resource[0], par->regs, sizeof(struct cg3_regs));