|  | /* | 
|  | * 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 |