linux-kernel - RE: [PATCH v2 0/3] mtd: nand: OMAP: ELM error correction support for BCH ecc

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Date:	Wed, 21 Nov 2012 07:01:25 +0000
From:	"Philip, Avinash" <avinashphilip@...com>
To:	"artem.bityutskiy@...ux.intel.com" <artem.bityutskiy@...ux.intel.com>
CC:	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	"Mohammed, Afzal" <afzal@...com>,
	"tony@...mide.com" <tony@...mide.com>,
	"broonie@...nsource.wolfsonmicro.com" 
	<broonie@...nsource.wolfsonmicro.com>,
	"rmk+kernel@....linux.org.uk" <rmk+kernel@....linux.org.uk>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"Nori, Sekhar" <nsekhar@...com>,
	"Hebbar, Gururaja" <gururaja.hebbar@...com>,
	"ivan.djelic@...rot.com" <ivan.djelic@...rot.com>
Subject: RE: [PATCH v2 0/3] mtd: nand: OMAP: ELM error correction support
 for BCH ecc

On Mon, Nov 19, 2012 at 18:13:56, Philip, Avinash wrote:
> 
> On Thu, Nov 15, 2012 at 16:52:14, Artem Bityutskiy wrote:
> > On Wed, 2012-10-31 at 12:38 +0530, Philip, Avinash wrote:
> > > Support to use ELM as BCH 4 & 8 bit error correction module. Also performance
> > > enhancement by adding single shot read_page and write_page functions for the
> > > nand flashes with page size less than 4 KB.
> > > 
> > > ELM module can be used to correct errors reported by BCH 4, 8 & 16 bit
> > > ECC scheme. For now only 4 & 8 bit support is added.
> > > 
> > > BCH 4 & 8 bit error detection support is already available in mainline
> > > kernel and works with software error correction.
> > > 
> > > This series is based on [1] and tested with RFC: OMAP GPMC bindings
> > > patch series
> > > 
> > > 1. linux-next/20121030
> > 
> > Would you please re-send a version which cleanly applies to the
> > l2-mtd.git tree? This series has many conflicts. Thanks!
> 
> Artem,
> 
> Omap nand driver is being changed considerably with Afzal's omap-gpmc cleanup
> series for common arm zImage [2] and those changes move many
> of the nand related code from platform folders to omap nand driver.
> 
> Omap-gpmc changes are present in Tony's " omap-for-v3.8/cleanup-headers-gpmc"
> branch [3]and is present in linux-next also, but is not present in l2-mtd.
> Tony has signed tag including omap-gpmc cleanup series,
> "omap-for-v3.8/cleanup-headers-prepare-multiplatform-v3-signed" [4]
> 
> If this series is made over l2-mtd, and it would cause lot of conflict
> with omap-gpmc cleanup series.
> 
> I am not sure how this dependency has to be handled for this series,
> let me know whether you still want it to be made over l2-mtd?

Artem,

Is it possible for you to give ack for these patches so that these patches
can go in Tony's tree where Omap-gpmc changes are present?

Thanks
Avinash
> 
> 2. http://markmail.org/message/ev67wm7irgc2qc5d#query:+page:1+mid:wgjdv6fsfghnua5z+state:results
> 3. http://git.kernel.org/?p=linux/kernel/git/tmlind/linux-omap.git;a=shortlog;h=refs/heads/omap-for-v3.8/cleanup-headers-gpmc
> 4. http://git.kernel.org/?p=linux/kernel/git/tmlind/linux-omap.git;a=tag;h=refs/tags/omap-for-v3.8/cleanup-headers-prepare-multiplatform-v3-signed
> 
> 
> Thanks
> Avinash
> 
> > 
> > git://git.infradead.org/users/dedekind/l2-mtd.git
> > 
> > -- 
> > Best Regards,
> > Artem Bityutskiy
> > 
> 
>