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jffs2: do not support the MLC nand 

We should not support the MLC nand for jffs2. So if the nand type is
MLC, we quit immediatly.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Huang Shijie 2013-09-25 14:58:20 +08:00 committed by Brian Norris
parent f48372465f
commit e104f1e9da
1 changed files with 4 additions and 0 deletions
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4
fs/jffs2/fs.c
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@ -515,6 +515,10 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
c = JFFS2_SB_INFO(sb);
/* Do not support the MLC nand */
if (c->mtd->type == MTD_MLCNANDFLASH)
return -EINVAL;
#ifndef CONFIG_JFFS2_FS_WRITEBUFFER
if (c->mtd->type == MTD_NANDFLASH) {
pr_err("Cannot operate on NAND flash unless jffs2 NAND support is compiled in\n");