diff options
Diffstat (limited to 'include/linux/crc32.h')
| -rw-r--r-- | include/linux/crc32.h | 28 |
1 files changed, 1 insertions, 27 deletions
diff --git a/include/linux/crc32.h b/include/linux/crc32.h index 69c2e8bb3782..8c1883b81b42 100644 --- a/include/linux/crc32.h +++ b/include/linux/crc32.h @@ -1,7 +1,4 @@ -/* - * crc32.h - * See linux/lib/crc32.c for license and changes - */ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _LINUX_CRC32_H #define _LINUX_CRC32_H @@ -76,29 +73,6 @@ static inline u32 crc32_le_combine(u32 crc1, u32 crc2, size_t len2) return crc32_le_shift(crc1, len2) ^ crc2; } -u32 crc32c_shift(u32 crc, size_t len); - -/** - * crc32c_combine - Combine two crc32c check values into one. For two sequences - * of bytes, seq1 and seq2 with lengths len1 and len2, crc32c() - * check values were calculated for each, crc1 and crc2. - * - * @crc1: crc32c of the first block - * @crc2: crc32c of the second block - * @len2: length of the second block - * - * Return: The crc32c() check value of seq1 and seq2 concatenated, requiring - * only crc1, crc2, and len2. Note: If seq_full denotes the concatenated - * memory area of seq1 with seq2, and crc_full the crc32c() value of - * seq_full, then crc_full == crc32c_combine(crc1, crc2, len2) when - * crc_full was seeded with the same initializer as crc1, and crc2 seed - * was 0. See also crc_combine_test(). - */ -static inline u32 crc32c_combine(u32 crc1, u32 crc2, size_t len2) -{ - return crc32c_shift(crc1, len2) ^ crc2; -} - #define crc32(seed, data, length) crc32_le(seed, (unsigned char const *)(data), length) /* |