From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stig A. Olsen Date: Tue, 15 Jan 2008 13:48:57 +0100 Subject: [U-Boot-Users] NAND driver updates In-Reply-To: <200801151335.00322.matthias.fuchs@esd-electronics.com> References: <1199548463-15543-1-git-send-email-sr@denx.de> <200801051715.04327.sr@denx.de> <200801150949.04305.sr@denx.de> <200801151335.00322.matthias.fuchs@esd-electronics.com> Message-ID: <478CABB9.1020107@tandberg.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi, I think you're absolutely right as well, better to branch out our updates until we have resolved these issues. Since YAFFS/MTD is new, most people will depend on jffs2 working, and that must be working before introducing changes. best regards, Stig Matthias Fuchs wrote: > Hi Stefan, > > I totally agree with your suggestion. Let's move the NAND update into > a separate branch for testing. > > The missing or faulty NAND features are an absolute no-go because we > use NAND on many of our boards. But we definitely should not lose track > of the NAND updates. Especially William's YAFFS support is a cool outstanding > feature I would love to see in the main repo sooner or later. > > Matthias > > On Tuesday 15 January 2008 09:49, Stefan Roese wrote: > >> Hi All, >> >> On Saturday 05 January 2008, Stefan Roese wrote: >> >>> I just updated the master branch of the NAND custodian repository with the >>> patches from William Juul: >>> >>> http://www.denx.de/cgi-bin/gitweb.cgi?p=u-boot/u-boot-nand-flash.git;a=shor >>> tlog;h=master >>> >>> This patchset brings the U-Boot NAND subsystem in sync again with the Linux >>> 2.6.22.1 NAND code. Thanks go to William Juul and his colleagues for the >>> hard >>> >> As it seems the current status of the new NAND subsystem provided by William >> Juul and his colleges, has still some problems. As far as I see it right now >> here a list (please let me know if I missed something): >> >> - DOC support broken and removed for now >> - needs to be ported and tested on HW with DOC >> - 'nand read.jffs2/.i' not implemented at all >> - 'nand write.jffs2/.i' not implemented correctly >> - Doesn't skip bad blocks >> - From my quick first look, it doesn't write the OOB correctly >> - Extensive testing on other platforms needed >> >> So with all these flaws, it doesn't make sense from my point of view, to pull >> these changes into the official U-Boot repository in this merge window. I >> think we should delay this merge for 1 or 2 U-Boot versions, until the >> problems mentioned above are resolved. >> >> Any thoughts/comments on this? >> >> If we agree on this merge delay, then I suggest that I move this mtd update >> into a different branch (it's currently in the master branch :-() of the >> u-boot-nand-flash repository and base the master branch on the master branch >> of Wolfgang's official repository. This way updates and fixes to the "old" >> NAND subsystem can be handled better. >> >> Again, any comments? >> >> Thanks. >> >> Best regards, >> Stefan >> >> ===================================================================== >> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel >> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany >> Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de >> ===================================================================== >> >> >> > > -- Stig A. Olsen TANDBERG R&D Mobile: +47 98290058 Phone: +47 67587418 E-mail: stig.olsen at tandberg.com http://www.tandberg.com -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.denx.de/pipermail/u-boot/attachments/20080115/326b803b/attachment.htm