acpi_os_map_iomem(acpi_physical_address phys, acpi_size size);
void __ref acpi_os_unmap_iomem(void __iomem *virt, acpi_size size);
void __iomem *acpi_os_get_iomem(acpi_physical_address phys, unsigned int size);
acpi_os_map_iomem(acpi_physical_address phys, acpi_size size);
void __ref acpi_os_unmap_iomem(void __iomem *virt, acpi_size size);
void __iomem *acpi_os_get_iomem(acpi_physical_address phys, unsigned int size);