1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Trivial I/O routine definitions, intentionally meant to be included
4 * multiple times. Ugly I/O routine concatenation helpers taken from
5 * alpha. Must be included _before_ io.h to avoid preprocessor-induced
6 * routine mismatch.
7 */
8#define IO_CONCAT(a,b)	_IO_CONCAT(a,b)
9#define _IO_CONCAT(a,b)	a ## _ ## b
10
11#ifndef __IO_PREFIX
12#error "Don't include this header without a valid system prefix"
13#endif
14
15void __iomem *IO_CONCAT(__IO_PREFIX,ioport_map)(unsigned long addr, unsigned int size);
16void IO_CONCAT(__IO_PREFIX,ioport_unmap)(void __iomem *addr);
17void IO_CONCAT(__IO_PREFIX,mem_init)(void);
18
19#undef __IO_PREFIX
20