[PATCH] mtd: omap2-nand: avoid unaligned DMA accesses, fall back on prefetch method

[Artem Bityutskiy]

On Thu, 2012-09-20 at 17:44 +0200, Arnout Vandecappelle (Essensium/Mind)
wrote:
> It's difficult to reproduce the error, because the buffers are
> aligned most of the time.

Can you just take one of the mtd tests (e.g., mtd_speedtest), amend it a
little and make sure it uses unaligned buffers?

> Perhaps a better method is to fetch the first few unaligned bytes
> with the prefetch method, and then continue with DMA.  However,
> since it's hard to force an unaligned buffer, it's also hard to
> test that this method works.

Yes, this would be a lot cleaner.

-- 
Best Regards,
Artem Bityutskiy
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