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From: Pavel Machek <pavel@ucw.cz>
To: Boris Brezillon <boris.brezillon@free-electrons.com>,
	marc_gonzalez@sigmadesigns.com
Cc: Dipen.Dudhat@freescale.com, richard@nod.at, dwmw2@infradead.org,
	computersforpeace@gmail.com, marek.vasut@gmail.com,
	cyrille.pitchen@atmel.com, linux-mtd@lists.infradead.org,
	linux-kernel@vger.kernel.org, mark.marshall@omicronenergy.com,
	b44839@freescale.com, prabhakar@freescale.com
Subject: [PATCH] tango_nand.c: fix ecc.stats_corrected in empty flash case
Date: Sat, 22 Apr 2017 12:40:33 +0200	[thread overview]
Message-ID: <20170422104033.GA14508@amd> (raw)
In-Reply-To: <20170421154903.2782cd06@bbrezillon>

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Fix ecc.stats_corrected in empty flash case.

Signed-off-by: Pavel Machek <pavel@denx.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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  parent reply	other threads:[~2017-04-22 10:41 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-19 12:13 fsl_ifc_nand: are blank pages protected by ECC? Pavel Machek
2017-04-19 21:18 ` Boris Brezillon
2017-04-19 22:15   ` Pavel Machek
2017-04-19 22:27     ` Boris Brezillon
2017-04-20 11:40       ` Pavel Machek
2017-04-20 12:15         ` Boris Brezillon
2017-04-21 10:51         ` [PATCH] nand_base: optimize checking of erased buffers Pavel Machek
2017-05-17 11:27           ` Mason
2017-05-17 11:39             ` Mason
2017-05-17 11:52             ` Pavel Machek
2017-05-17 12:22           ` [PATCH] fsl_ifc_nand: fix handing of bit flips in erased nand Pavel Machek
2017-05-17 12:32             ` Boris Brezillon
2017-05-17 13:00               ` Pavel Machek
2017-05-17 13:25                 ` Boris Brezillon
2017-05-17 20:03                   ` [PATCH] mtd: nand: fsl_ifc: fix handing of bit flips in erased pages Pavel Machek
2017-05-31 20:59                     ` [PATCHv2] " Pavel Machek
2017-05-31 22:59                       ` Darwin Dingel
2017-06-01  1:09                       ` Darwin Dingel
2017-06-01 13:12                         ` Pavel Machek
2017-06-01 13:21                           ` Boris Brezillon
2017-06-07  7:31                             ` Boris Brezillon
2017-04-21 10:08   ` fsl_ifc_nand: are blank pages protected by ECC? Pavel Machek
2017-04-21 10:12     ` Richard Weinberger
2017-04-21 12:04     ` Boris Brezillon
2017-04-21 13:37     ` Pavel Machek
2017-04-21 13:49       ` Boris Brezillon
2017-04-22  7:01         ` Pavel Machek
2017-04-22 10:40         ` Pavel Machek [this message]
2017-04-24  8:58           ` [PATCH] tango_nand.c: fix ecc.stats_corrected in empty flash case Marc Gonzalez
2017-04-24  9:03             ` Pavel Machek
2017-05-02  9:42             ` Boris Brezillon
2017-05-02 11:52               ` Marc Gonzalez
2017-05-02 12:20                 ` Boris Brezillon
2017-05-03 20:02                   ` Pavel Machek
2017-05-03 20:04             ` Pavel Machek
2017-05-04  8:42               ` Boris Brezillon
2017-05-12 15:34                 ` [PATCH] mtd: nand: tango: Update ecc_stats.corrected Marc Gonzalez
2017-05-15  8:56                   ` Boris Brezillon
2017-05-15 20:47                   ` Boris Brezillon
2017-05-17 12:04                 ` [PATCH] tango_nand.c: fix ecc.stats_corrected in empty flash case Pavel Machek
2017-04-23  9:58         ` tango_nand: is logic right in error cases? (was Re: fsl_ifc_nand: are blank pages protected by ECC?) Pavel Machek
2017-04-24  7:12           ` Boris Brezillon

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