mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 08:44:21 +08:00
39b083fe1c
Use do { } while (0) constructs instead of empty defines to avoid
subtle compile bugs.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
17 lines
241 B
C
17 lines
241 B
C
/*
|
|
* include/asm-s390/dma.h
|
|
*
|
|
* S390 version
|
|
*/
|
|
|
|
#ifndef _ASM_DMA_H
|
|
#define _ASM_DMA_H
|
|
|
|
#include <asm/io.h> /* need byte IO */
|
|
|
|
#define MAX_DMA_ADDRESS 0x80000000
|
|
|
|
#define free_dma(x) do { } while (0)
|
|
|
|
#endif /* _ASM_DMA_H */
|