diff options
Diffstat (limited to 'fs/yaffs2/yaffs_mtdif.c')
| -rw-r--r-- | fs/yaffs2/yaffs_mtdif.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/fs/yaffs2/yaffs_mtdif.c b/fs/yaffs2/yaffs_mtdif.c new file mode 100644 index 000000000000..5de3193ea2b9 --- /dev/null +++ b/fs/yaffs2/yaffs_mtdif.c @@ -0,0 +1,56 @@ +/* + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. + * + * Copyright (C) 2002-2010 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 "yportenv.h" + + +#include "yaffs_mtdif.h" + +#include "linux/mtd/mtd.h" +#include "linux/types.h" +#include "linux/time.h" +#include "linux/mtd/nand.h" + +#include "yaffs_linux.h" + +int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber) +{ + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; + __u32 addr = + ((loff_t) blockNumber) * dev->param.totalBytesPerChunk + * dev->param.nChunksPerBlock; + struct erase_info ei; + + int retval = 0; + + ei.mtd = mtd; + ei.addr = addr; + ei.len = dev->param.totalBytesPerChunk * dev->param.nChunksPerBlock; + ei.time = 1000; + ei.retries = 2; + ei.callback = NULL; + ei.priv = (u_long) dev; + + retval = mtd->erase(mtd, &ei); + + if (retval == 0) + return YAFFS_OK; + else + return YAFFS_FAIL; +} + +int nandmtd_InitialiseNAND(yaffs_Device *dev) +{ + return YAFFS_OK; +} + |