[PATCH 04/10] bus: introduce an Marvell EBU MBus driver

Ezequiel Garcia ezequiel.garcia at free-electrons.com
Fri Mar 8 12:12:44 EST 2013


On Fri, Mar 08, 2013 at 09:48:32AM -0700, Jason Gunthorpe wrote:
> > since you can probe the chip ONFI timings, why are you doing that ?
> 
> Hmm, very interesting idea, but there is no implementation of this for
> the Marvell NAND driver today.
> 
> Ezequiel - how would you forsee fitting something like this in? The
> process for NAND would be to set the slowest timings (which have to be
> computed based on the TClk frequency), do READID, determine the
> fastest supported timings, and then update the timings again.
> 
> This seems like something that belongs in the NAND interface driver,
> not the device bus driver??
> 

Mmm... adding NAND support is in my TODO list. But I'm not quite there yet,
so I'm not sure what's the most appropriate way to handle this.

-- 
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com



More information about the linux-arm-kernel mailing list