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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