Re: [PATCH] spi-topcliff-pch: Fix probing when DMA mode is used

[Alexander Stein <alexander.stein-93q1YBGzJSMe9JSWTWOYM3xStJ4P+DSV@public.gmane.org>]

On Tuesday 04 March 2014 12:44:22, Mark Brown wrote:
> On Mon, Mar 03, 2014 at 08:21:16AM +0100, Alexander Stein wrote:
> > Well, i think this is a rather rarely use case. You need either all
> > drivers compiled in where the SPI device driver is loaded before SPI
> > master or you need SPI master als module while the SPI device driver
> > is already compiled in. Oh, and the SPI device driver must do a SPI
> > transfer during probe. So the conditions are reptty strict when this
> > problem might happen.
> 
> > PS: On EG20T (PCH) it seems this will never happen as the DMA channels
> > are allocated wrongly (see other patch from me) andso DMA will never
> > be used.
> 
> OK, so this doesn't sound terribly urgent then?  It's hard to see and
> other bugs mean it wouldn't be triggered anyway?

Yes, at least for EG20T. I have no idea about those MLxxxx IOH.

Alexander

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