| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Trivial I/O routine definitions, intentionally meant to be included |
| * multiple times. Ugly I/O routine concatenation helpers taken from |
| * alpha. Must be included _before_ io.h to avoid preprocessor-induced |
| * routine mismatch. |
| */ |
| #define IO_CONCAT(a,b) _IO_CONCAT(a,b) |
| #define _IO_CONCAT(a,b) a ## _ ## b |
| |
| #ifndef __IO_PREFIX |
| #error "Don't include this header without a valid system prefix" |
| #endif |
| |
| void __iomem *IO_CONCAT(__IO_PREFIX,ioport_map)(unsigned long addr, unsigned int size); |
| void IO_CONCAT(__IO_PREFIX,ioport_unmap)(void __iomem *addr); |
| void IO_CONCAT(__IO_PREFIX,mem_init)(void); |
| |
| #undef __IO_PREFIX |