Hi Sascha,
On 01/30/2018 08:11 AM, Sascha Hauer wrote:
On Mon, Jan 29, 2018 at 02:04:11PM +0100, Daniel Schultz wrote:
The read page function should return the total count of flipped bits,
otherwise the caller always thinks no bitflip occured.
Signed-off-by: Daniel Schultz <d.schultz@xxxxxxxxx>
---
drivers/mtd/nand/nand_omap_gpmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/nand_omap_gpmc.c b/drivers/mtd/nand/nand_omap_gpmc.c
index e18ce63..38f4960 100644
--- a/drivers/mtd/nand/nand_omap_gpmc.c
+++ b/drivers/mtd/nand/nand_omap_gpmc.c
@@ -712,7 +712,7 @@ static int omap_gpmc_read_page_bch_rom_mode(struct mtd_info *mtd,
else
mtd->ecc_stats.corrected += stat;
- return 0;
+ return stat;
}
I'm afraid this is not enough. read_page should return the maximum
number of bitflips in any ECC step. You first have to change
omap_correct_bch() so that it returns this number.
ahh, we worked on this problem a half year ago and it seems like three
patches are missing upstream:
http://lists.infradead.org/pipermail/barebox/2017-June/030385.html
http://lists.infradead.org/pipermail/barebox/2017-June/030384.html
http://lists.infradead.org/pipermail/barebox/2017-June/030355.html
Daniel
Sascha
--
Mit freundlichen Grüßen,
With best regards,
Daniel Schultz
- Entwicklung -
Tel.: +49 6131 92 21 457
d.schultz@xxxxxxxxx
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