return readl((void*)ap->ioaddr.scr_addr + (sc_reg * 4));
return readl((void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4));
static u32 nv_scr_read (struct ata_port *ap, unsigned int sc_reg){	struct ata_host_set *host_set = ap->host_set;	struct nv_host *host = host_set->private_data;	if (sc_reg > SCR_CONTROL)		return 0xffffffffU;	if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO)		return readl((void*)ap->ioaddr.scr_addr + (sc_reg * 4));	else		return inl(ap->ioaddr.scr_addr + (sc_reg * 4));}