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xlate: add new variants

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New variants use the clearer function names from the kernel.
This commit is contained in:
David Teigland 2015-06-16 09:30:14 -05:00
parent ce18fb61c0
commit 7fe5e4010c
1 changed files with 63 additions and 19 deletions
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56
lib/mm/xlate.h
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@ -38,27 +38,71 @@
#endif
#if BYTE_ORDER == LITTLE_ENDIAN
/* New clearer variants. */
#define le16_to_cpu(x) (x)
#define le32_to_cpu(x) (x)
#define le64_to_cpu(x) (x)
#define cpu_to_le16(x) (x)
#define cpu_to_le32(x) (x)
#define cpu_to_le64(x) (x)
#define be16_to_cpu(x) bswap_16(x)
#define be32_to_cpu(x) bswap_32(x)
#define be64_to_cpu(x) bswap_64(x)
#define cpu_to_be16(x) bswap_16(x)
#define cpu_to_be32(x) bswap_32(x)
#define cpu_to_be64(x) bswap_64(x)
/* Old alternative variants. */
#define xlate16(x) (x)
#define xlate32(x) (x)
#define xlate64(x) (x)
#define xlate16_be(x) bswap_16(x)
#define xlate32_be(x) bswap_32(x)
#define xlate64_be(x) bswap_64(x)
#elif BYTE_ORDER == BIG_ENDIAN
/* New clearer variants. */
#define le16_to_cpu(x) bswap_16(x)
#define le32_to_cpu(x) bswap_32(x)
#define le64_to_cpu(x) bswap_64(x)
#define cpu_to_le16(x) bswap_16(x)
#define cpu_to_le32(x) bswap_32(x)
#define cpu_to_le64(x) bswap_64(x)
#define be16_to_cpu(x) (x)
#define be32_to_cpu(x) (x)
#define be64_to_cpu(x) (x)
#define cpu_to_be16(x) (x)
#define cpu_to_be32(x) (x)
#define cpu_to_be64(x) (x)
/* Old alternative variants. */
#define xlate16(x) bswap_16(x)
#define xlate32(x) bswap_32(x)
#define xlate64(x) bswap_64(x)
#define xlate16_be(x) (x)
#define xlate32_be(x) (x)
#define xlate64_be(x) (x)
#else
#include <asm/byteorder.h>
# define xlate16(x) __cpu_to_le16((x))
# define xlate32(x) __cpu_to_le32((x))
# define xlate64(x) __cpu_to_le64((x))
# define xlate16_be(x) __cpu_to_be16((x))
# define xlate32_be(x) __cpu_to_be32((x))
# define xlate64_be(x) __cpu_to_be64((x))
/* New clearer variants. */
#define le16_to_cpu(x) __le16_to_cpu(x)
#define le32_to_cpu(x) __le32_to_cpu(x)
#define le64_to_cpu(x) __le64_to_cpu(x)
#define cpu_to_le16(x) __cpu_to_le16(x)
#define cpu_to_le32(x) __cpu_to_le32(x)
#define cpu_to_le64(x) __cpu_to_le64(x)
#define be16_to_cpu(x) __be16_to_cpu(x)
#define be32_to_cpu(x) __be32_to_cpu(x)
#define be64_to_cpu(x) __be64_to_cpu(x)
#define cpu_to_be16(x) __cpu_to_be16(x)
#define cpu_to_be32(x) __cpu_to_be32(x)
#define cpu_to_be64(x) __cpu_to_be64(x)
/* Old alternative variants. */
#define xlate16(x) __cpu_to_le16(x)
#define xlate32(x) __cpu_to_le32(x)
#define xlate64(x) __cpu_to_le64(x)
#define xlate16_be(x) __cpu_to_be16(x)
#define xlate32_be(x) __cpu_to_be32(x)
#define xlate64_be(x) __cpu_to_be64(x)
#endif
#endif