mtd: rawnand: gpmi: fix dst bit offset when extracting raw payload

Re-add the multiply by 8 to "step * eccsize" to correct the destination bit offset
when extracting the data payload in gpmi_ecc_read_page_raw().

Fixes: e5e5631cc889 ("mtd: rawnand: gpmi: Use nand_extract_bits()")
Cc: stable@vger.kernel.org
Reported-by: Martin Hundebøll <martin@geanix.com>
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201221100013.2715675-1-sean@geanix.com

diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index 5cdf05bcbf8faacfb24ee71758ff0182a3517836..3fa8c22d3f36af1da132b9f3932f48101af0ccd7 100644 (file)
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -1615,7 +1615,7 @@ static int gpmi_ecc_read_page_raw(struct nand_chip *chip, uint8_t *buf,
        /* Extract interleaved payload data and ECC bits */
        for (step = 0; step < nfc_geo->ecc_chunk_count; step++) {
                if (buf)
-                       nand_extract_bits(buf, step * eccsize, tmp_buf,
+                       nand_extract_bits(buf, step * eccsize * 8, tmp_buf,
                                          src_bit_off, eccsize * 8);
                src_bit_off += eccsize * 8;