From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Date: Tue, 15 May 2012 12:26:41 -0500 Subject: [U-Boot] UBI: volume auto-resize In-Reply-To: <201205151833.59767.marex@denx.de> References: <7C1B161B-1EEE-47C2-826D-201DF5C70588@borea.si> <201205132051.59580.marex@denx.de> <04C3498F-B265-4EDF-8F4D-EC5B3FECA632@borea.si> <201205151833.59767.marex@denx.de> Message-ID: <4FB291D1.2030600@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 05/15/2012 11:33 AM, Marek Vasut wrote: > Dear Matevz Langus, > >> Hi, >> >> sorry for top-posting. >> >> It is Freescale eLB NAND controller. We need to investigate a bit more why >> it does not work with 512B sub-pages in u-boot. It does in Linux. > > And are you sure it does use 512b subpages in linux? Because I think there's > still a bug in linux that forces these controllers (at least the GPMI NAND) to > use 2048b subpages. eLBC hardware does not support doing ECC on subpage accesses (and thus the driver does not support subpage accesses at all). How does UBI use subpage accesses? -Scott