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From 42b2ec07bcaa1a833a595937df05a7ee07627ef4 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: Tue, 17 Jul 2018 18:05:37 +0200
Subject: [PATCH 113/131] lib/crc: Use consistent naming for CRC-32 polynomials
Header was defining CRCPOLY_LE/BE and CRC32C_POLY_LE but in fact all of
them are CRC-32 polynomials so use consistent naming.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
---
include/linux/crc32poly.h | 4 ++--
lib/crc32.c | 10 +++++-----
lib/gen_crc32table.c | 4 ++--
3 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/include/linux/crc32poly.h b/include/linux/crc32poly.h
index 7ad5aa9..62c4b77 100644
--- a/include/linux/crc32poly.h
+++ b/include/linux/crc32poly.h
@@ -7,8 +7,8 @@
* *the* standard CRC-32 polynomial, first popularized by Ethernet.
* x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x^1+x^0
*/
-#define CRCPOLY_LE 0xedb88320
-#define CRCPOLY_BE 0x04c11db7
+#define CRC32_POLY_LE 0xedb88320
+#define CRC32_POLY_BE 0x04c11db7
/*
* This is the CRC32c polynomial, as outlined by Castagnoli.
diff --git a/lib/crc32.c b/lib/crc32.c
index 82bfc053..7111c44 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -185,7 +185,7 @@ static inline u32 __pure crc32_le_generic(u32 crc, unsigned char const *p,
#if CRC_LE_BITS == 1
u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
{
- return crc32_le_generic(crc, p, len, NULL, CRCPOLY_LE);
+ return crc32_le_generic(crc, p, len, NULL, CRC32_POLY_LE);
}
u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len)
{
@@ -195,7 +195,7 @@ u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len)
u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
{
return crc32_le_generic(crc, p, len,
- (const u32 (*)[256])crc32table_le, CRCPOLY_LE);
+ (const u32 (*)[256])crc32table_le, CRC32_POLY_LE);
}
u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len)
{
@@ -269,7 +269,7 @@ static u32 __attribute_const__ crc32_generic_shift(u32 crc, size_t len,
u32 __attribute_const__ crc32_le_shift(u32 crc, size_t len)
{
- return crc32_generic_shift(crc, len, CRCPOLY_LE);
+ return crc32_generic_shift(crc, len, CRC32_POLY_LE);
}
u32 __attribute_const__ __crc32c_le_shift(u32 crc, size_t len)
@@ -331,13 +331,13 @@ static inline u32 __pure crc32_be_generic(u32 crc, unsigned char const *p,
#if CRC_LE_BITS == 1
u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
{
- return crc32_be_generic(crc, p, len, NULL, CRCPOLY_BE);
+ return crc32_be_generic(crc, p, len, NULL, CRC32_POLY_BE);
}
#else
u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
{
return crc32_be_generic(crc, p, len,
- (const u32 (*)[256])crc32table_be, CRCPOLY_BE);
+ (const u32 (*)[256])crc32table_be, CRC32_POLY_BE);
}
#endif
EXPORT_SYMBOL(crc32_be);
diff --git a/lib/gen_crc32table.c b/lib/gen_crc32table.c
index 34c3bc8..f755b99 100644
--- a/lib/gen_crc32table.c
+++ b/lib/gen_crc32table.c
@@ -58,7 +58,7 @@ static void crc32init_le_generic(const uint32_t polynomial,
static void crc32init_le(void)
{
- crc32init_le_generic(CRCPOLY_LE, crc32table_le);
+ crc32init_le_generic(CRC32_POLY_LE, crc32table_le);
}
static void crc32cinit_le(void)
@@ -77,7 +77,7 @@ static void crc32init_be(void)
crc32table_be[0][0] = 0;
for (i = 1; i < BE_TABLE_SIZE; i <<= 1) {
- crc = (crc << 1) ^ ((crc & 0x80000000) ? CRCPOLY_BE : 0);
+ crc = (crc << 1) ^ ((crc & 0x80000000) ? CRC32_POLY_BE : 0);
for (j = 0; j < i; j++)
crc32table_be[0][i + j] = crc ^ crc32table_be[0][j];
}
--
2.7.4
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