Commit 146b503e authored Sep 30, 2015 by Boris Brezillon Committed by Brian Norris Oct 02, 2015

mtd: nand: sunxi: fix bitflips in erased pages

Use the nand_check_erased_ecc_chunk() function to test if the ECC error
was triggered by an erased page containing a few bitflips.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

parent 23151fd6

drivers/mtd/nand/sunxi_nand.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -611,7 +611,9 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd,
		sunxi_nfc_read_buf(mtd, oob, ecc->bytes + 4);

		if (status & NFC_ECC_ERR(0)) {
		ret = -EIO;
		ret = nand_check_erased_ecc_chunk(data, ecc->size,
		oob, ecc->bytes + 4,
		NULL, 0, ecc->strength);
		} else {
		/*
		* The engine protects 4 bytes of OOB data per chunk.