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From: YouChing Lin <ycllin@mxic.com.tw>
To: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com
Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	juliensu@mxic.com.tw, YouChing Lin <ycllin@mxic.com.tw>
Subject: [PATCH 0/2] Fix double counting of S/W ECC engines' ECC stat
Date: Tue, 11 May 2021 09:40:33 +0800	[thread overview]
Message-ID: <1620697235-7829-1-git-send-email-ycllin@mxic.com.tw> (raw)

Hello,

This series fix the double counting of S/W ECC engines' ECC stat 

If you use SPI-NAND with SW-ECC engine, the ECC related statistics
(ecc_stats.failed & ecc_stats.corrected) will be doubled, because
those numbers will be double-counted in ecc-sw-[bch/hamming].c and
drivers/mtd/nand/spi/core.c.
    
This can be found by using nandtest/nandbiterrs validation.

Thanks for your time.

YouChing Lin (2):
  mtd: nand: ecc-bch: Fix the double counting of ECC stat
  mtd: nand: ecc-hamming: Fix the double counting of ECC stat

 drivers/mtd/nand/ecc-sw-bch.c     | 9 +++++----
 drivers/mtd/nand/ecc-sw-hamming.c | 9 +++++----
 2 files changed, 10 insertions(+), 8 deletions(-)

-- 
1.9.1


WARNING: multiple messages have this Message-ID (diff)
From: YouChing Lin <ycllin@mxic.com.tw>
To: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com
Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	juliensu@mxic.com.tw, YouChing Lin <ycllin@mxic.com.tw>
Subject: [PATCH 0/2] Fix double counting of S/W ECC engines' ECC stat
Date: Tue, 11 May 2021 09:40:33 +0800	[thread overview]
Message-ID: <1620697235-7829-1-git-send-email-ycllin@mxic.com.tw> (raw)

Hello,

This series fix the double counting of S/W ECC engines' ECC stat 

If you use SPI-NAND with SW-ECC engine, the ECC related statistics
(ecc_stats.failed & ecc_stats.corrected) will be doubled, because
those numbers will be double-counted in ecc-sw-[bch/hamming].c and
drivers/mtd/nand/spi/core.c.
    
This can be found by using nandtest/nandbiterrs validation.

Thanks for your time.

YouChing Lin (2):
  mtd: nand: ecc-bch: Fix the double counting of ECC stat
  mtd: nand: ecc-hamming: Fix the double counting of ECC stat

 drivers/mtd/nand/ecc-sw-bch.c     | 9 +++++----
 drivers/mtd/nand/ecc-sw-hamming.c | 9 +++++----
 2 files changed, 10 insertions(+), 8 deletions(-)

-- 
1.9.1


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Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

             reply	other threads:[~2021-05-11  2:17 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-11  1:40 YouChing Lin [this message]
2021-05-11  1:40 ` [PATCH 0/2] Fix double counting of S/W ECC engines' ECC stat YouChing Lin
2021-05-11  1:40 ` [PATCH 1/2] mtd: nand: ecc-bch: Fix the double counting of " YouChing Lin
2021-05-11  1:40   ` YouChing Lin
2021-05-11  1:40 ` [PATCH 2/2] mtd: nand: ecc-hamming: " YouChing Lin
2021-05-11  1:40   ` YouChing Lin
2021-05-11  8:53 ` [PATCH 0/2] Fix double counting of S/W ECC engines' " Miquel Raynal
2021-05-11  8:53   ` Miquel Raynal
2021-05-13  2:11   ` ycllin
2021-05-13  2:11     ` ycllin
2021-05-13  6:45     ` Miquel Raynal
2021-05-13  6:45       ` Miquel Raynal
2021-05-20 10:56       ` ycllin
2021-05-20 10:56         ` ycllin

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