diff options
| author | Boris BREZILLON <boris.brezillon@free-electrons.com> | 2015-10-20 22:16:01 +0200 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2015-11-02 12:54:37 -0800 |
| commit | 28ec8a864f4b67bb801aede7919391531612c7dd (patch) | |
| tree | 429945b3feef95bf11f368b65e7ebda241b0b930 /drivers/mtd | |
| parent | 74eb9ff54e21dbeefa04ff30e6aaf780b91dd261 (diff) | |
| download | lwn-28ec8a864f4b67bb801aede7919391531612c7dd.tar.gz lwn-28ec8a864f4b67bb801aede7919391531612c7dd.zip | |
mtd: nand: sunxi: avoid retrieving data before ECC pass
The in-band data are copied twice: before ECC correction and after the
ECC engine has fixed all the fixable bitflips.
Drop the useless memcpy_fromio operation by passing a NULL pointer when
calling sunxi_nfc_read_buf().
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/sunxi_nand.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index 96f7370a404f..824711845c44 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -586,7 +586,7 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd, if (*cur_off != data_off) nand->cmdfunc(mtd, NAND_CMD_RNDOUT, data_off, -1); - sunxi_nfc_read_buf(mtd, data, ecc->size); + sunxi_nfc_read_buf(mtd, NULL, ecc->size); if (data_off + ecc->size != oob_off) nand->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_off, -1); |