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- /* 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
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