From: Sascha Hauer <s.hauer@pengutronix.de>
To: Daniel Schultz <d.schultz@phytec.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 3/3] drivers: mtd: nand: omap: Return stat value
Date: Fri, 16 Feb 2018 08:56:39 +0100 [thread overview]
Message-ID: <20180216075639.yenwl6sdlhqgvwqj@pengutronix.de> (raw)
In-Reply-To: <21faa0a6-6514-0020-cec6-6f8af09a9c4c@phytec.de>
On Thu, Feb 15, 2018 at 01:51:26PM +0100, Daniel Schultz wrote:
> 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@phytec.de>
> > > ---
> > > 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
Oh, I see. It seems I have either forgotten to merge them or I have
waited for feedback. Could you create a series for all missing patches
including your new patch and resend it, provided it works as expected of
course?
Sascha
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next prev parent reply other threads:[~2018-02-16 7:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-29 13:04 [PATCH 1/3] commands: ubi: ubiupdatevol: Reduce error code to 0 or 1 Daniel Schultz
2018-01-29 13:04 ` [PATCH 2/3] ARM: configs: am335x_defconfig: Reorder configs Daniel Schultz
2018-01-29 13:04 ` [PATCH 3/3] drivers: mtd: nand: omap: Return stat value Daniel Schultz
2018-01-30 7:11 ` Sascha Hauer
2018-02-15 12:51 ` Daniel Schultz
2018-02-16 7:56 ` Sascha Hauer [this message]
2018-02-23 15:53 ` Daniel Schultz
2018-01-30 7:05 ` [PATCH 1/3] commands: ubi: ubiupdatevol: Reduce error code to 0 or 1 Sascha Hauer
2018-01-30 7:13 ` Sascha Hauer
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