[PATCH v5 0/7] sunxi: Add DT representation for the MBUS controller

Chen-Yu Tsai wens at csie.org
Mon Apr 8 08:14:53 UTC 2019


On Mon, Apr 8, 2019 at 4:11 PM Maxime Ripard <maxime.ripard at bootlin.com> wrote:
>
> On Sat, Apr 06, 2019 at 01:06:07AM -0500, Rob Herring wrote:
> > On Mon, Apr 01, 2019 at 10:56:40AM +0200, Maxime Ripard wrote:
> > > Hi,
> > >
> > > We've had for quite some time to hack around in our drivers to take into
> > > account the fact that our DMA accesses are not done through the parent
> > > node, but through another bus with a different mapping than the CPU for the
> > > RAM (0 instead of 0x40000000 for most SoCs).
> > >
> > > After some discussion after the submission of a camera device suffering of
> > > the same hacks, I've decided to put together a serie that introduce a
> > > special interconnect name called "dma" that that allows to express the DMA
> > > relationship between a master and its bus, even if they are not direct
> > > parents in the DT.
> > >
> > > Let me know what you think,
> > > Maxime
> >
> > LGTM.
> >
> > How do you propose merging this? I can take 1-5, and 6 and 7 thru
> > arm-soc?
>
> You can merge 1-4, and I'll merge 5 through drm-misc and 6-7 through
> arm-soc

Wouldn't there be some runtime dependency between 3, 4, and 5?

ChenYu


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