From: liaoweixiong <liaoweixiong@allwinnertech.com>
To: Schrempf Frieder <frieder.schrempf@kontron.de>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Richard Weinberger <richard@nod.at>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Marek Vasut <marek.vasut@gmail.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Boris Brezillon <bbrezillon@kernel.org>,
Frieder Schrempf <frieder.schrempf@exceet.de>,
Peter Pan <peterpandong@micron.com>,
Chuanhong Guo <gch981213@gmail.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [RESEND PATCH v2] mtd: spinand: read return badly if the last page has bitflips
Date: Tue, 25 Jun 2019 09:00:54 +0800 [thread overview]
Message-ID: <049081eb-355e-6671-310c-3083cbdb0abc@allwinnertech.com> (raw)
In-Reply-To: <f86e6750-6b4f-daf7-3f0c-1c5e63b5b95d@kontron.de>
Um.. I am sorry. It is the first time for me to resend patch.
I will send this patch again with correct tags.
On 2019/6/24 PM10:47, Schrempf Frieder wrote:
> On 24.06.19 14:15, liaoweixiong wrote:
>> In case of the last page containing bitflips (ret > 0),
>> spinand_mtd_read() will return that number of bitflips for the last
>> page. But to me it looks like it should instead return max_bitflips like
>> it does when the last page read returns with 0.
>>
>> Signed-off-by: liaoweixiong <liaoweixiong@allwinnertech.com>
>> Acked-by: Boris Brezillon <boris.brezillon@collabora.com>
>> Acked-by: Frieder Schrempf <frieder.schrempf@kontron.de>
>
> Why did you change our Reviewed-by tags to Acked-by tags?
>
>> Fixes: 7529df465248 ("mtd: nand: Add core infrastructure to support SPI NANDs")
>> ---
>> drivers/mtd/nand/spi/core.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
>> index 556bfdb..6b9388d 100644
>> --- a/drivers/mtd/nand/spi/core.c
>> +++ b/drivers/mtd/nand/spi/core.c
>> @@ -511,12 +511,12 @@ static int spinand_mtd_read(struct mtd_info *mtd, loff_t from,
>> if (ret == -EBADMSG) {
>> ecc_failed = true;
>> mtd->ecc_stats.failed++;
>> - ret = 0;
>> } else {
>> mtd->ecc_stats.corrected += ret;
>> max_bitflips = max_t(unsigned int, max_bitflips, ret);
>> }
>>
>> + ret = 0;
>> ops->retlen += iter.req.datalen;
>> ops->oobretlen += iter.req.ooblen;
>> }
--
liaoweixiong
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next prev parent reply other threads:[~2019-06-25 1:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-24 12:15 [RESEND PATCH v2] mtd: spinand: read return badly if the last page has bitflips liaoweixiong
2019-06-24 14:47 ` Schrempf Frieder
2019-06-25 1:00 ` liaoweixiong [this message]
-- strict thread matches above, loose matches on Subject: below --
2019-06-25 1:02 liaoweixiong
2019-06-25 3:08 ` Greg KH
2019-06-25 7:04 ` Schrempf Frieder
2019-06-25 11:56 ` liaoweixiong
2019-06-25 12:04 ` Schrempf Frieder
2019-06-27 17:06 ` Miquel Raynal
2019-06-27 18:17 ` Miquel Raynal
2019-06-28 3:51 ` liaoweixiong
2019-06-25 12:03 liaoweixiong
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