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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 | |
15 | void __iomem *IO_CONCAT(__IO_PREFIX,ioport_map)(unsigned long addr, unsigned int size); |
16 | void IO_CONCAT(__IO_PREFIX,ioport_unmap)(void __iomem *addr); |
17 | void IO_CONCAT(__IO_PREFIX,mem_init)(void); |
18 | |
19 | #undef __IO_PREFIX |
20 |
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