#ifndef _ASM_IO_64_NONATOMIC_HI_LO_H_ | |
#define _ASM_IO_64_NONATOMIC_HI_LO_H_ | |
#include <linux/io.h> | |
#include <asm-generic/int-ll64.h> | |
#ifndef readq | |
static inline __u64 readq(const volatile void __iomem *addr) | |
{ | |
const volatile u32 __iomem *p = addr; | |
u32 low, high; | |
high = readl(p + 1); | |
low = readl(p); | |
return low + ((u64)high << 32); | |
} | |
#endif | |
#ifndef writeq | |
static inline void writeq(__u64 val, volatile void __iomem *addr) | |
{ | |
writel(val >> 32, addr + 4); | |
writel(val, addr); | |
} | |
#endif | |
#endif /* _ASM_IO_64_NONATOMIC_HI_LO_H_ */ |