[PATCH 2/2] I2C: Implement DMA support into mxs-i2c

Wolfram Sang w.sang at pengutronix.de
Mon Apr 30 16:30:16 EDT 2012


> > What has the compiler version to do with the relevance? :) This has
> > nothing to do with adding DMA support. Plus, nobody so far could tell me
> > what path gcc is seeing there.
> 
> It complains that data might be undefined, do you want it in a separate patch 
> then ?

Yes, but only if you can prove that the compiler is right.

> I still havent figured out how to flip between pioqueue mode and dma mode 
> without the controller getting confused, so I prefer to postpone it into 
> subsequent patch. Eventually, I agree it'd be cool to be able to do this 
> switching.

Yes, send V2 with DMA by default, and I will give a try on the
mode-switching later, too.

Thanks,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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