diff options
| author |   Thomas Gleixner <tglx@cruncher.tec.linutronix.de> | 2006-05-27 22:16:10 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@cruncher.tec.linutronix.de> | 2006-05-29 15:06:50 +0200 |
| commit | 5bd34c091a044d130601370c370f84b1c59f1627 (patch) | |
| tree | 8b08012a9a30186a8805d506f8438e2944f5f31b /drivers/mtd/mtdchar.c | |
| parent | [MTD] NAND Consolidate oobinfo handling (diff) | |
| download | linux-dev-5bd34c091a044d130601370c370f84b1c59f1627.tar.xz linux-dev-5bd34c091a044d130601370c370f84b1c59f1627.zip | |
[MTD] NAND Replace oobinfo by ecclayout
The nand_oobinfo structure is not fitting the newer error correction
demands anymore. Replace it by struct nand_ecclayout and fixup the users
all over the place. Keep the nand_oobinfo based ioctl for user space
compability reasons.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/mtd/mtdchar.c')
| -rw-r--r-- | drivers/mtd/mtdchar.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 608f7af679cb..e75ec5fe7760 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -512,14 +512,36 @@ static int mtd_ioctl(struct inode *inode, struct file *file, break; } + /* Legacy interface */ case MEMGETOOBSEL: { - if (copy_to_user(argp, mtd->oobinfo, - sizeof(struct nand_oobinfo))) + struct nand_oobinfo oi; + + if (!mtd->ecclayout) + return -EOPNOTSUPP; + if (mtd->ecclayout->eccbytes > ARRAY_SIZE(oi.eccpos)) + return -EINVAL; + + oi.useecc = MTD_NANDECC_AUTOPLACE; + memcpy(&oi.eccpos, mtd->ecclayout->eccpos, sizeof(oi.eccpos)); + memcpy(&oi.oobfree, mtd->ecclayout->oobfree, + sizeof(oi.oobfree)); + + if (copy_to_user(argp, &oi, sizeof(struct nand_oobinfo))) return -EFAULT; break; } + case ECCGETLAYOUT: + + if (!mtd->ecclayout) + return -EOPNOTSUPP; + + if (copy_to_user(argp, &mtd->ecclayout, + sizeof(struct nand_ecclayout))) + return -EFAULT; + break; + case MEMGETBADBLOCK: { loff_t offs; |