1#ifndef ACPI_ATOMIC_IO_H 2#define ACPI_ATOMIC_IO_H 3 4int acpi_pre_map_gar(struct acpi_generic_address *reg); 5int acpi_post_unmap_gar(struct acpi_generic_address *reg); 6 7int acpi_atomic_read(u64 *val, struct acpi_generic_address *reg); 8int acpi_atomic_write(u64 val, struct acpi_generic_address *reg); 9 10#endif 11