From: Sean MacLennan <smaclennan@pikatech.com>
To: Feng Kan <fkan@amcc.com>
Cc: linuxppc-dev@ozlabs.org, linux-mtd@lists.infradead.org,
u-boot@lists.denx.de
Subject: Re: NAND ECC Error with wrong SMC ording bug
Date: Thu, 20 Aug 2009 00:38:51 -0400 [thread overview]
Message-ID: <20090820003851.1a532444@lappy.seanm.ca> (raw)
In-Reply-To: <4A8C87E6.6070702@amcc.com>
On Wed, 19 Aug 2009 16:16:54 -0700
Feng Kan <fkan@amcc.com> wrote:
> I see other boards using SMC as well, can someone comment on the
> change I am proposing.
> Should I change the correction algorithm or the calculate function?
> If the later is preferred
> it would mean the change must be pushed in both U-Boot and Linux.
Odds are the calculate function is wrong. The correction algo is used
by many nand drivers, I *assume* it is correct. The calculate function
was set to agree with u-boot (1.3.0).
Cheers,
Sean
P.S. Yes, I know the u-boot is an ancient version :(
next prev parent reply other threads:[~2009-08-20 4:38 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-17 23:00 [PATCH 1/3 v3] powerpc/32: Always order writes to halves of 64-bit PTEs Paul Mackerras
2009-08-17 23:00 ` [PATCH 2/3 v3] powerpc: Allow perf_counters to access user memory at interrupt time Paul Mackerras
2009-08-18 4:24 ` Benjamin Herrenschmidt
2009-08-17 23:01 ` [PATCH 3/3 v3] perf_counter: powerpc: Add callchain support Paul Mackerras
2009-08-18 4:23 ` Benjamin Herrenschmidt
2009-08-18 0:00 ` [PATCH 1/3 v3] powerpc/32: Always order writes to halves of 64-bit PTEs Kumar Gala
2009-08-18 0:14 ` Paul Mackerras
2009-08-18 4:24 ` Benjamin Herrenschmidt
2009-08-19 23:16 ` NAND ECC Error with wrong SMC ording bug Feng Kan
2009-08-20 4:38 ` Sean MacLennan [this message]
2009-08-20 5:01 ` [U-Boot] " Stefan Roese
2009-08-20 19:36 ` Sean MacLennan
2009-08-20 22:56 ` Victor Gallardo
2009-08-21 5:17 ` vimal singh
2009-08-21 6:26 ` Sean MacLennan
2009-08-21 6:27 ` Stefan Roese
2009-08-21 6:30 ` Victor Gallardo
2009-08-20 23:42 ` Feng Kan
2009-08-21 7:59 ` Stefan Roese
-- strict thread matches above, loose matches on Subject: below --
2009-09-22 21:20 Sean MacLennan
2009-09-23 5:12 ` Stefan Roese
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