Hi, On Wed, Jan 14, 2015 at 01:37:37PM +0100, Maxime Ripard wrote: > On Wed, Jan 14, 2015 at 12:43:25PM +0100, Rafał Miłecki wrote: > > On 13 January 2015 at 16:56, Maxime Ripard > > <maxime.rip...@free-electrons.com> wrote: > > > Some devices out there only have a NOR flash to store the rootfs on. > > > > > > While using UBI is arguable on this kind of NAND, this is something that > > > should > > > be supported. > > > > So why use UBI at all? Doesn't it make more sense to stick to the > > JFFS2? You should be even able to easily create 2 different image > > types (one for NOR, one for NAND) in one target (see bcm53xx). > > The Openblocks AX3 has a fairly large NOR (128MB) which would make > JFFS2 a rather poor choice, and the UBI overhead wouldn't be that bad.
Is that case good enough for you? > The A385-RD board has a much smaller SPI-NOR (16MB) though, so we > could use jffs2 there, but I wasn't seeing much point at creating a > whole new layout just for a single board. I'll switch this one to JFFS2 and the MTDSPLIT framework. Are you satisfied with the NAND support? Just to know if I can continue to model the NOR stuff on that. Thanks, Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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