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Date:   Sat, 22 Apr 2017 12:40:33 +0200
From:   Pavel Machek <pavel@....cz>
To:     Boris Brezillon <boris.brezillon@...e-electrons.com>,
        marc_gonzalez@...madesigns.com
Cc:     Dipen.Dudhat@...escale.com, richard@....at, dwmw2@...radead.org,
        computersforpeace@...il.com, marek.vasut@...il.com,
        cyrille.pitchen@...el.com, linux-mtd@...ts.infradead.org,
        linux-kernel@...r.kernel.org, mark.marshall@...cronenergy.com,
        b44839@...escale.com, prabhakar@...escale.com
Subject: [PATCH] tango_nand.c: fix ecc.stats_corrected in empty flash case

Fix ecc.stats_corrected in empty flash case.

Signed-off-by: Pavel Machek <pavel@...x.de>

---

This was suggested by Boris Brezillon in another context. Not tested;
I don't have the hardware.

diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c
index 4a5e948..db4bff4 100644
--- a/drivers/mtd/nand/tango_nand.c
+++ b/drivers/mtd/nand/tango_nand.c
@@ -193,6 +193,8 @@ static int check_erased_page(struct nand_chip *chip, u8 *buf)
 						  chip->ecc.strength);
 		if (res < 0)
 			mtd->ecc_stats.failed++;
+		else
+			mtd->ecc_stats.corrected += res;
 
 		bitflips = max(res, bitflips);
 		buf += pkt_size;

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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