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DateSun, 29 Jun 2003 21:34:50 +0100
FromRussell King <>
SubjectRe: [PATCH] Fix mtdblock / mtdpart / mtdconcat
On Wed, Jun 25, 2003 at 01:43:09PM +0100, David Woodhouse wrote:
> On Mon, 2003-06-23 at 01:00, Russell King wrote:
> > Dirtily disable ECC support; it doesn't work when mtdpart is layered
> > on top of mtdconcat on top of CFI flash.
> > 
> > There is probably a better fix, but that's for someone else to find.
> 
> I had to run 'indent' on mtdconcat.c before I could stand to even look
> for it, so I haven't attached the patch here -- but could you try v1.6
> from CVS, which should refrain from pretending to have ecc/oob access
> functions of none of the subdevices have them, and hence fix the problem
> you observed.

While looking over the changes between 1.5 and 1.6, I spotted this.  You
may want to fix this change:

-                   concat->mtd.eccsize != subdev[i]->eccsize) {
+                   concat->mtd.eccsize != subdev[i]->eccsize ||
+                   !concat->mtd.read_ecc != !concat->mtd.read_ecc ||
+                   !concat->mtd.write_ecc != !concat->mtd.write_ecc ||
+                   !concat->mtd.read_oob != !concat->mtd.read_oob ||
+                   !concat->mtd.write_oob != !concat->mtd.write_oob) {
-- 
Russell King (rmk@arm.linux.org.uk)                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html

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