fs/yaffs2/yaffs_nand.c

20 int yaffs_rd_chunk_tags_nand(struct yaffs_dev *dev, int nand_chunk,
25 	int flash_chunk = nand_chunk - dev->chunk_offset;
27 	dev->n_page_reads++;
33 	if (dev->param.read_chunk_tags_fn)
35 		    dev->param.read_chunk_tags_fn(dev, flash_chunk, buffer,
38 		result = yaffs_tags_compat_rd(dev,
43 		bi = yaffs_get_block_info(dev,
45 					  dev->param.chunks_per_block);
46 		yaffs_handle_chunk_error(dev, bi);
51 int yaffs_wr_chunk_tags_nand(struct yaffs_dev *dev,
56 	int flash_chunk = nand_chunk - dev->chunk_offset;
58 	dev->n_page_writes++;
61 		tags->seq_number = dev->seq_number;
72 	if (dev->param.write_chunk_tags_fn)
73 		result = dev->param.write_chunk_tags_fn(dev, flash_chunk,
76 		result = yaffs_tags_compat_wr(dev, flash_chunk, buffer, tags);
78 	yaffs_summary_add(dev, tags, nand_chunk);
83 int yaffs_mark_bad(struct yaffs_dev *dev, int block_no)
85 	block_no -= dev->block_offset;
86 	if (dev->param.bad_block_fn)
87 		return dev->param.bad_block_fn(dev, block_no);
89 	return yaffs_tags_compat_mark_bad(dev, block_no);
92 int yaffs_query_init_block_state(struct yaffs_dev *dev,
97 	block_no -= dev->block_offset;
98 	if (dev->param.query_block_fn)
99 		return dev->param.query_block_fn(dev, block_no, state,
102 	return yaffs_tags_compat_query_block(dev, block_no, state, seq_number);
105 int yaffs_erase_block(struct yaffs_dev *dev, int flash_block)
109 	flash_block -= dev->block_offset;
110 	dev->n_erasures++;
111 	result = dev->param.erase_fn(dev, flash_block);
115 int yaffs_init_nand(struct yaffs_dev *dev)
117 	if (dev->param.initialise_flash_fn)
118 		return dev->param.initialise_flash_fn(dev);