55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
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* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
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*
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* Copyright (C) 2002-2010 Aleph One Ltd.
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* for Toby Churchill Ltd and Brightstar Engineering
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*
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* Created by Charles Manning <charles@aleph1.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include "yportenv.h"
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#include "yaffs_mtdif.h"
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#include "linux/mtd/mtd.h"
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#include "linux/types.h"
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#include "linux/time.h"
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#include "linux/mtd/nand.h"
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#include "yaffs_linux.h"
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int nandmtd_erase_block(struct yaffs_dev *dev, int block_no)
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{
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struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
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u32 addr =
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((loff_t) block_no) * dev->param.total_bytes_per_chunk
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* dev->param.chunks_per_block;
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struct erase_info ei;
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int retval = 0;
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ei.mtd = mtd;
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ei.addr = addr;
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ei.len = dev->param.total_bytes_per_chunk * dev->param.chunks_per_block;
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ei.time = 1000;
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ei.retries = 2;
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ei.callback = NULL;
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ei.priv = (u_long) dev;
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retval = mtd->erase(mtd, &ei);
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if (retval == 0)
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return YAFFS_OK;
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else
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return YAFFS_FAIL;
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}
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int nandmtd_initialise(struct yaffs_dev *dev)
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{
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return YAFFS_OK;
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}
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