[PATCH 3/3] omap : nand : fix subpage ecc issue with prefetch

Vimal Singh vimal.newwork at gmail.com
Fri Apr 29 12:00:11 EDT 2011


On Fri, Apr 29, 2011 at 4:01 PM, Bryan DE FARIA
<bdefaria at adeneo-embedded.com> wrote:
> When reading a subpage with a non dividable by 4 ecc number of byte, the
> prefetch function gets first the extra bytes, then reads the bytes lefting.
> Extra bytes are not returned in the buffer (they are overwritten), which makes
> the software ecc fail.

Its not only read, write too is broken for the same reason. More ever,
it is broken for
other path too (failing to enable prefetch engine path).

-- 
Regards,
Vimal Singh



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