Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 28ec8a86 authored by Boris Brezillon's avatar Boris Brezillon Committed by Brian Norris
Browse files

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: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent 74eb9ff5

drivers/mtd/nand/sunxi_nand.c

+1 −1
Original line number Diff line number Diff line
@@ -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);