diff options
author | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-06-04 19:46:24 +0800 |
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committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-06-04 19:46:24 +0800 |
commit | 29a3e1ef73daaa91cbf5cce2fb475f1878254402 (patch) | |
tree | fbd1df992706a4786633a7986a31b9cf78b3dced /fs/yaffs2/yaffs_mtdif.c | |
parent | 564119271649aa2d1840e79badf743e957b497e6 (diff) | |
parent | 3c16bd7bb0a2b00b71f65bb0075e0c94d0fcc777 (diff) |
Merge Linaro Android branch ' jstultz/linaro-android-3.4
' into integration-android-ux500
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
Diffstat (limited to 'fs/yaffs2/yaffs_mtdif.c')
-rw-r--r-- | fs/yaffs2/yaffs_mtdif.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/fs/yaffs2/yaffs_mtdif.c b/fs/yaffs2/yaffs_mtdif.c new file mode 100644 index 00000000000..7cf53b3d91b --- /dev/null +++ b/fs/yaffs2/yaffs_mtdif.c @@ -0,0 +1,54 @@ +/* + * 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_erase_block(struct yaffs_dev *dev, int block_no) +{ + struct mtd_info *mtd = yaffs_dev_to_mtd(dev); + u32 addr = + ((loff_t) block_no) * dev->param.total_bytes_per_chunk + * dev->param.chunks_per_block; + struct erase_info ei; + + int retval = 0; + + ei.mtd = mtd; + ei.addr = addr; + ei.len = dev->param.total_bytes_per_chunk * dev->param.chunks_per_block; + 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_initialise(struct yaffs_dev *dev) +{ + return YAFFS_OK; +} |