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v0.8.1
https://github.com/torvalds/linux
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Tip revision: 66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 authored by Linus Torvalds on 30 April 2010, 03:02:05 UTC
Linux 2.6.34-rc6
Tip revision: 66f41d4
cfi_endian.h
#include <asm/byteorder.h>

#ifndef CONFIG_MTD_CFI_ADV_OPTIONS

#define CFI_HOST_ENDIAN

#else

#ifdef CONFIG_MTD_CFI_NOSWAP
#define CFI_HOST_ENDIAN
#endif

#ifdef CONFIG_MTD_CFI_LE_BYTE_SWAP
#define CFI_LITTLE_ENDIAN
#endif

#ifdef CONFIG_MTD_CFI_BE_BYTE_SWAP
#define CFI_BIG_ENDIAN
#endif

#endif

#if defined(CFI_LITTLE_ENDIAN)
#define cpu_to_cfi8(x) (x)
#define cfi8_to_cpu(x) (x)
#define cpu_to_cfi16(x) cpu_to_le16(x)
#define cpu_to_cfi32(x) cpu_to_le32(x)
#define cpu_to_cfi64(x) cpu_to_le64(x)
#define cfi16_to_cpu(x) le16_to_cpu(x)
#define cfi32_to_cpu(x) le32_to_cpu(x)
#define cfi64_to_cpu(x) le64_to_cpu(x)
#elif defined (CFI_BIG_ENDIAN)
#define cpu_to_cfi8(x) (x)
#define cfi8_to_cpu(x) (x)
#define cpu_to_cfi16(x) cpu_to_be16(x)
#define cpu_to_cfi32(x) cpu_to_be32(x)
#define cpu_to_cfi64(x) cpu_to_be64(x)
#define cfi16_to_cpu(x) be16_to_cpu(x)
#define cfi32_to_cpu(x) be32_to_cpu(x)
#define cfi64_to_cpu(x) be64_to_cpu(x)
#elif defined (CFI_HOST_ENDIAN)
#define cpu_to_cfi8(x) (x)
#define cfi8_to_cpu(x) (x)
#define cpu_to_cfi16(x) (x)
#define cpu_to_cfi32(x) (x)
#define cpu_to_cfi64(x) (x)
#define cfi16_to_cpu(x) (x)
#define cfi32_to_cpu(x) (x)
#define cfi64_to_cpu(x) (x)
#else
#error No CFI endianness defined
#endif
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