#ifndef _LINUX_IO_64_NONATOMIC_LO_HI_H_
  #define _LINUX_IO_64_NONATOMIC_LO_HI_H_

  
  #include <linux/io.h>
  #include <asm-generic/int-ll64.h>

  static inline __u64 lo_hi_readq(const volatile void __iomem *addr)

  {
  	const volatile u32 __iomem *p = addr;
  	u32 low, high;
  
  	low = readl(p);
  	high = readl(p + 1);
  
  	return low + ((u64)high << 32);
  }

  static inline void lo_hi_writeq(__u64 val, volatile void __iomem *addr)

  {
  	writel(val, addr);
  	writel(val >> 32, addr + 4);
  }

  
  #ifndef readq
  #define readq lo_hi_readq
  #endif
  
  #ifndef writeq
  #define writeq lo_hi_writeq

  #endif

  #endif	/* _LINUX_IO_64_NONATOMIC_LO_HI_H_ */