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Revert "mtd: nand: Add naieve panic_write support for generic nand devices."

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This reverts commit a431be40b0.
This commit is contained in:
黄涛
2011-07-30 22:30:42 +08:00
parent 003a30c643
commit 55a9ce2d62
1 changed files with 0 additions and 39 deletions
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39
drivers/mtd/nand/nand_base.c
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@@ -2681,44 +2681,6 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips)
return 0;
}
static void nand_panic_wait(struct mtd_info *mtd)
{
struct nand_chip *chip = mtd->priv;
int i;
if (chip->state != FL_READY)
for (i = 0; i < 40; i++) {
if (chip->dev_ready(mtd))
break;
mdelay(10);
}
chip->state = FL_READY;
}
static int nand_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, const u_char *buf)
{
struct nand_chip *chip = mtd->priv;
int ret;
/* Do not allow reads past end of device */
if ((to + len) > mtd->size)
return -EINVAL;
if (!len)
return 0;
nand_panic_wait(mtd);
chip->ops.len = len;
chip->ops.datbuf = (uint8_t *)buf;
chip->ops.oobbuf = NULL;
ret = nand_do_write_ops(mtd, to, &chip->ops);
*retlen = chip->ops.retlen;
return ret;
}
/**
* nand_scan_tail - [NAND Interface] Scan for the NAND device
@@ -2926,7 +2888,6 @@ int nand_scan_tail(struct mtd_info *mtd)
mtd->write = nand_write;
mtd->read_oob = nand_read_oob;
mtd->write_oob = nand_write_oob;
mtd->panic_write = nand_panic_write;
mtd->sync = nand_sync;
mtd->lock = NULL;
mtd->unlock = NULL;