kernel: remove yaffs2 support, it is no longer needed

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 0 insertions, 97 deletions

diff --git a/target/linux/generic/files/fs/yaffs2/yaffs_bitmap.c b/target/linux/generic/files/fs/yaffs2/yaffs_bitmap.c
deleted file mode 100644
index 4440e930d6..0000000000
--- a/target/linux/generic/files/fs/yaffs2/yaffs_bitmap.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2011 Aleph One Ltd.
- *   for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include "yaffs_bitmap.h"
-#include "yaffs_trace.h"
-/*
- * Chunk bitmap manipulations
- */
-
-static inline u8 *yaffs_block_bits(struct yaffs_dev *dev, int blk)
-{
-	if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
-		yaffs_trace(YAFFS_TRACE_ERROR,
-			"BlockBits block %d is not valid",
-			blk);
-		BUG();
-	}
-	return dev->chunk_bits +
-	    (dev->chunk_bit_stride * (blk - dev->internal_start_block));
-}
-
-void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk)
-{
-	if (blk < dev->internal_start_block || blk > dev->internal_end_block ||
-	    chunk < 0 || chunk >= dev->param.chunks_per_block) {
-		yaffs_trace(YAFFS_TRACE_ERROR,
-			"Chunk Id (%d:%d) invalid",
-			blk, chunk);
-		BUG();
-	}
-}
-
-void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk)
-{
-	u8 *blk_bits = yaffs_block_bits(dev, blk);
-
-	memset(blk_bits, 0, dev->chunk_bit_stride);
-}
-
-void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
-{
-	u8 *blk_bits = yaffs_block_bits(dev, blk);
-
-	yaffs_verify_chunk_bit_id(dev, blk, chunk);
-	blk_bits[chunk / 8] &= ~(1 << (chunk & 7));
-}
-
-void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
-{
-	u8 *blk_bits = yaffs_block_bits(dev, blk);
-
-	yaffs_verify_chunk_bit_id(dev, blk, chunk);
-	blk_bits[chunk / 8] |= (1 << (chunk & 7));
-}
-
-int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk)
-{
-	u8 *blk_bits = yaffs_block_bits(dev, blk);
-
-	yaffs_verify_chunk_bit_id(dev, blk, chunk);
-	return (blk_bits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0;
-}
-
-int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk)
-{
-	u8 *blk_bits = yaffs_block_bits(dev, blk);
-	int i;
-
-	for (i = 0; i < dev->chunk_bit_stride; i++) {
-		if (*blk_bits)
-			return 1;
-		blk_bits++;
-	}
-	return 0;
-}
-
-int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk)
-{
-	u8 *blk_bits = yaffs_block_bits(dev, blk);
-	int i;
-	int n = 0;
-
-	for (i = 0; i < dev->chunk_bit_stride; i++, blk_bits++)
-		n += hweight8(*blk_bits);
-
-	return n;
-}