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, 86 deletions

diff --git a/lib/crc8.c b/lib/crc8.c
deleted file mode 100644
index 1ad8e501d9b6..000000000000
--- a/lib/crc8.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright (c) 2011 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/crc8.h>
-#include <linux/printk.h>
-
-/**
- * crc8_populate_msb - fill crc table for given polynomial in reverse bit order.
- *
- * @table:	table to be filled.
- * @polynomial:	polynomial for which table is to be filled.
- */
-void crc8_populate_msb(u8 table[CRC8_TABLE_SIZE], u8 polynomial)
-{
-	int i, j;
-	const u8 msbit = 0x80;
-	u8 t = msbit;
-
-	table[0] = 0;
-
-	for (i = 1; i < CRC8_TABLE_SIZE; i *= 2) {
-		t = (t << 1) ^ (t & msbit ? polynomial : 0);
-		for (j = 0; j < i; j++)
-			table[i+j] = table[j] ^ t;
-	}
-}
-EXPORT_SYMBOL(crc8_populate_msb);
-
-/**
- * crc8_populate_lsb - fill crc table for given polynomial in regular bit order.
- *
- * @table:	table to be filled.
- * @polynomial:	polynomial for which table is to be filled.
- */
-void crc8_populate_lsb(u8 table[CRC8_TABLE_SIZE], u8 polynomial)
-{
-	int i, j;
-	u8 t = 1;
-
-	table[0] = 0;
-
-	for (i = (CRC8_TABLE_SIZE >> 1); i; i >>= 1) {
-		t = (t >> 1) ^ (t & 1 ? polynomial : 0);
-		for (j = 0; j < CRC8_TABLE_SIZE; j += 2*i)
-			table[i+j] = table[j] ^ t;
-	}
-}
-EXPORT_SYMBOL(crc8_populate_lsb);
-
-/**
- * crc8 - calculate a crc8 over the given input data.
- *
- * @table: crc table used for calculation.
- * @pdata: pointer to data buffer.
- * @nbytes: number of bytes in data buffer.
- * @crc: previous returned crc8 value.
- */
-u8 crc8(const u8 table[CRC8_TABLE_SIZE], const u8 *pdata, size_t nbytes, u8 crc)
-{
-	/* loop over the buffer data */
-	while (nbytes-- > 0)
-		crc = table[(crc ^ *pdata++) & 0xff];
-
-	return crc;
-}
-EXPORT_SYMBOL(crc8);
-
-MODULE_DESCRIPTION("CRC8 (by Williams, Ross N.) function");
-MODULE_AUTHOR("Broadcom Corporation");
-MODULE_LICENSE("Dual BSD/GPL");