[PATCHv2] drivers: mtd: devices: Add quad read support.

[David Woodhouse]

On Thu, 2013-09-26 at 16:02 +0530, Sourav Poddar wrote:
> Some flash also support quad read mode.
> Adding support for adding quad mode in m25p80.
> 
> Signed-off-by: Sourav Poddar <sourav.poddar at ti.com>

This seems sane enough to me if Mark agrees that it's correct from the
SPI point of view.

Do we have a solution for the vf610-twr host controller, and is this
going to work for that too? Or are we still stuck on questions like "how
are we going to program the LUT to do what the request asks?" and "how
*does* the request actually hand the required information to the
controller?"

I've seen a bunch of "*this* is how you indicate dummy cycles", and
"*this* is how you request a quad-read transfer" type responses; have we
got all the way there yet?


-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse at intel.com                              Intel Corporation
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