[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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