On Tue, Dec 10, 2013 at 01:49:13PM +0100, Marek Vasut wrote:

> My question is, shall we not wait for the new SPI NOR framework to be well 
> fleshed out and only then implement this controller driver on top of it ?

> I have a feeling this patchset adds quite a lot of ad-hoc hacks into the m25p80 
> driver, which would become dead code once converted to the SPI NOR framework.

There is some stuff that pushes up into the controller in that while the
device is in memory mapped mode as far as I can tell it's not safe to do
other accesses so if someone's put more than one device on the SPI bus
we need to handle interactions there.