diff options
| author | Huang Shijie <shijie8@gmail.com> | 2012-08-14 22:38:45 -0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-09-29 15:00:46 +0100 |
| commit | 657f28f8811c92724db10d18bbbec70d540147d6 (patch) | |
| tree | 1d8cb32d57eec27f46a74cad73a1ceff43f5e099 /drivers/mtd/nand/txx9ndfmc.c | |
| parent | 8da28681eb1430fb6715c7aef67001acfbbbcba5 (diff) | |
mtd: kill MTD_NAND_VERIFY_WRITE
Just as Artem suggested:
"Both UBI and JFFS2 are able to read verify what they wrote already.
There are also MTD tests which do this verification. So I think there
is no reason to keep this in the NAND layer, let alone wasting RAM in
the driver to support this feature. Besides, it does not work for sub-pages
and many drivers have it broken. It hurts more than it provides benefits."
So kill MTD_NAND_VERIFY_WRITE entirely.
Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand/txx9ndfmc.c')
| -rw-r--r-- | drivers/mtd/nand/txx9ndfmc.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/mtd/nand/txx9ndfmc.c b/drivers/mtd/nand/txx9ndfmc.c index 26398dcf21c..e3d7266e256 100644 --- a/drivers/mtd/nand/txx9ndfmc.c +++ b/drivers/mtd/nand/txx9ndfmc.c @@ -131,18 +131,6 @@ static void txx9ndfmc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) *buf++ = __raw_readl(ndfdtr); } -static int txx9ndfmc_verify_buf(struct mtd_info *mtd, const uint8_t *buf, - int len) -{ - struct platform_device *dev = mtd_to_platdev(mtd); - void __iomem *ndfdtr = ndregaddr(dev, TXX9_NDFDTR); - - while (len--) - if (*buf++ != (uint8_t)__raw_readl(ndfdtr)) - return -EFAULT; - return 0; -} - static void txx9ndfmc_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { @@ -346,7 +334,6 @@ static int __init txx9ndfmc_probe(struct platform_device *dev) chip->read_byte = txx9ndfmc_read_byte; chip->read_buf = txx9ndfmc_read_buf; chip->write_buf = txx9ndfmc_write_buf; - chip->verify_buf = txx9ndfmc_verify_buf; chip->cmd_ctrl = txx9ndfmc_cmd_ctrl; chip->dev_ready = txx9ndfmc_dev_ready; chip->ecc.calculate = txx9ndfmc_calculate_ecc; |