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authorGu Zheng <guz.fnst@cn.fujitsu.com>2013-09-11 14:23:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-11 15:58:38 -0700
commitf2e1d2ac344bcee83f6496a641d37e86d55e33d4 (patch)
tree586a6ed040c4c0090f4f9b43f4f6c3781ca43a14 /lib/crc32.c
parent5ab58acc40ead5521cbafcd1cc7f35170ccceeee (diff)
lib/crc32: update the comments of crc32_{be,le}_generic()
[akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/crc32.c')
-rw-r--r--lib/crc32.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/lib/crc32.c b/lib/crc32.c
index 072fbd8234d..410093dbe51 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -131,11 +131,14 @@ crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256])
#endif
/**
- * crc32_le() - Calculate bitwise little-endian Ethernet AUTODIN II CRC32
- * @crc: seed value for computation. ~0 for Ethernet, sometimes 0 for
- * other uses, or the previous crc32 value if computing incrementally.
- * @p: pointer to buffer over which CRC is run
+ * crc32_le_generic() - Calculate bitwise little-endian Ethernet AUTODIN II
+ * CRC32/CRC32C
+ * @crc: seed value for computation. ~0 for Ethernet, sometimes 0 for other
+ * uses, or the previous crc32/crc32c value if computing incrementally.
+ * @p: pointer to buffer over which CRC32/CRC32C is run
* @len: length of buffer @p
+ * @tab: little-endian Ethernet table
+ * @polynomial: CRC32/CRC32c LE polynomial
*/
static inline u32 __pure crc32_le_generic(u32 crc, unsigned char const *p,
size_t len, const u32 (*tab)[256],
@@ -201,11 +204,13 @@ EXPORT_SYMBOL(crc32_le);
EXPORT_SYMBOL(__crc32c_le);
/**
- * crc32_be() - Calculate bitwise big-endian Ethernet AUTODIN II CRC32
+ * crc32_be_generic() - Calculate bitwise big-endian Ethernet AUTODIN II CRC32
* @crc: seed value for computation. ~0 for Ethernet, sometimes 0 for
* other uses, or the previous crc32 value if computing incrementally.
- * @p: pointer to buffer over which CRC is run
+ * @p: pointer to buffer over which CRC32 is run
* @len: length of buffer @p
+ * @tab: big-endian Ethernet table
+ * @polynomial: CRC32 BE polynomial
*/
static inline u32 __pure crc32_be_generic(u32 crc, unsigned char const *p,
size_t len, const u32 (*tab)[256],