[PATCH] mtd: nand: sunxi: Fix OOB bytes retrieval in read_chunks_dma()
Boris Brezillon
boris.brezillon at free-electrons.com
Wed Jun 15 02:22:12 PDT 2016
The column address passed to the RNDOUT operation was missing the page
size offset.
Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
Fixes: 614049a8d904 ("mtd: nand: sunxi: add support for DMA assisted operations")
---
drivers/mtd/nand/sunxi_nand.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index ea74827..bcdd015 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -1094,7 +1094,8 @@ static int sunxi_nfc_hw_ecc_read_chunks_dma(struct mtd_info *mtd, uint8_t *buf,
if (oob_required && !erased) {
/* TODO: use DMA to retrieve OOB */
- nand->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_off, -1);
+ nand->cmdfunc(mtd, NAND_CMD_RNDOUT,
+ mtd->writesize + oob_off, -1);
nand->read_buf(mtd, oob, ecc->bytes + 4);
sunxi_nfc_hw_ecc_get_prot_oob_bytes(mtd, oob, i,
@@ -1129,7 +1130,8 @@ static int sunxi_nfc_hw_ecc_read_chunks_dma(struct mtd_info *mtd, uint8_t *buf,
}
/* TODO: use DMA to retrieve OOB */
- nand->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_off, -1);
+ nand->cmdfunc(mtd, NAND_CMD_RNDOUT,
+ mtd->writesize + oob_off, -1);
nand->read_buf(mtd, oob, ecc->bytes + 4);
ret = nand_check_erased_ecc_chunk(data, ecc->size,
--
2.7.4
More information about the linux-mtd
mailing list