lib/crc: Move files into lib/crc/

Move all CRC files in lib/ into a subdirectory lib/crc/ to keep them
from cluttering up the main lib/ directory.

Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: "Jason A. Donenfeld" <Jason@zx2c4.com>
Link: https://lore.kernel.org/r/20250607200454.73587-2-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

1 files changed, 0 insertions, 89 deletions

diff --git a/lib/gen_crc32table.c b/lib/gen_crc32table.c
deleted file mode 100644
index 6d03425b849e..000000000000
--- a/lib/gen_crc32table.c
+++ /dev/null
@@ -1,89 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <stdio.h>
-#include "../include/linux/crc32poly.h"
-#include "../include/generated/autoconf.h"
-#include <inttypes.h>
-
-static uint32_t crc32table_le[256];
-static uint32_t crc32table_be[256];
-static uint32_t crc32ctable_le[256];
-
-/**
- * crc32init_le() - allocate and initialize LE table data
- *
- * crc is the crc of the byte i; other entries are filled in based on the
- * fact that crctable[i^j] = crctable[i] ^ crctable[j].
- *
- */
-static void crc32init_le_generic(const uint32_t polynomial, uint32_t tab[256])
-{
-	unsigned i, j;
-	uint32_t crc = 1;
-
-	tab[0] = 0;
-
-	for (i = 128; i; i >>= 1) {
-		crc = (crc >> 1) ^ ((crc & 1) ? polynomial : 0);
-		for (j = 0; j < 256; j += 2 * i)
-			tab[i + j] = crc ^ tab[j];
-	}
-}
-
-static void crc32init_le(void)
-{
-	crc32init_le_generic(CRC32_POLY_LE, crc32table_le);
-}
-
-static void crc32cinit_le(void)
-{
-	crc32init_le_generic(CRC32C_POLY_LE, crc32ctable_le);
-}
-
-/**
- * crc32init_be() - allocate and initialize BE table data
- */
-static void crc32init_be(void)
-{
-	unsigned i, j;
-	uint32_t crc = 0x80000000;
-
-	crc32table_be[0] = 0;
-
-	for (i = 1; i < 256; i <<= 1) {
-		crc = (crc << 1) ^ ((crc & 0x80000000) ? CRC32_POLY_BE : 0);
-		for (j = 0; j < i; j++)
-			crc32table_be[i + j] = crc ^ crc32table_be[j];
-	}
-}
-
-static void output_table(const uint32_t table[256])
-{
-	int i;
-
-	for (i = 0; i < 256; i += 4) {
-		printf("\t0x%08x, 0x%08x, 0x%08x, 0x%08x,\n",
-		       table[i], table[i + 1], table[i + 2], table[i + 3]);
-	}
-}
-
-int main(int argc, char** argv)
-{
-	printf("/* this file is generated - do not edit */\n\n");
-
-	crc32init_le();
-	printf("static const u32 ____cacheline_aligned crc32table_le[256] = {\n");
-	output_table(crc32table_le);
-	printf("};\n");
-
-	crc32init_be();
-	printf("static const u32 ____cacheline_aligned crc32table_be[256] = {\n");
-	output_table(crc32table_be);
-	printf("};\n");
-
-	crc32cinit_le();
-	printf("static const u32 ____cacheline_aligned crc32ctable_le[256] = {\n");
-	output_table(crc32ctable_le);
-	printf("};\n");
-
-	return 0;
-}