poor performance with W2CBW003 (Marvell 8686)

[Andreas Kemnade]

Hi,

On Wed, 13 Jun 2012 10:06:54 -0700 (PDT)
hong zhang <henryzhang62 at yahoo.com> wrote:

> > 4 bit is supported.
> > The hardware does not impose unresolvable limitations, the
> > 2.6.32 kernel
> > gives high performance. But since that kernel is not
> > mainstream, it is
> > very hard to find out which patch gives the slowdown. git
> > bisect
> > is not very useful in that situation.
> > SD memory card reading speed is always ok (on another of the
> > integrated
> > sd host controllers).
> 
> Have you tested receive throughput? Any difference between TX and Rx throughput? 
> 
I tested both.
No significant difference with 3.x.

Greetings
Andreas Kemnade
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