[PATCH] [MTD][OneNAND] Multi Level Chip (MLC) OneNAND support

[David Woodhouse]

On Wed, 2008-04-23 at 09:49 +0900, Kyungmin Park wrote:
> On Wed, Apr 23, 2008 at 12:06 AM, David Woodhouse <dwmw2 at infradead.org> wrote:
> > On Thu, 2008-01-03 at 09:03 +0900, Kyungmin Park wrote:
> >  > This patch enables the MLC OneNAND support
> >  > Now it's basic support. We need to work more.
> >  >
> >  > In MLC, we use the 4KiB BufferRam instead of 2KiB.
> >  > With this reason it is changed to read/write data from/to BufferRAM 0 and
> >  > we can't use read-while-load.
> >  >
> >  > It passed the nand-tests module and it diffed against the OneNAND MTD tree instead of MTD one.
> >
> >  Did you intend this to be merged?
> >
> 
> Yes, Before merge this one
> Another patch should be merged first.
> 
> "[JFFS2] JFFS2 doesn't use OOB at MLC NAND/OneNAND"
> http://patchwork.ozlabs.org/linux-mtd/patch?id=16536

Hm, yeah... that was the other thing I wanted to ask you about.

I'm really not wonderfully happy with it. Have we done any powerfail
testing with MLC chips?

Maybe it would be better to just refuse to mount, until/unless we have a
proper solution?

-- 
dwmw2