linux-kernel - Re: [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar

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Date:	Tue, 14 Jul 2015 03:28:56 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Peter Ujfalusi <peter.ujfalusi@...com>
Cc:	vinod.koul@...el.com, linux@....linux.org.uk,
	grant.likely@...aro.org, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	robh+dt@...nel.org, nm@...com, arnd@...db.de,
	maxime.ripard@...e-electrons.com
Subject: Re: [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar

* Tony Lindgren <tony@...mide.com> [150409 12:17]:
> * Peter Ujfalusi <peter.ujfalusi@...com> [150409 12:07]:
> > On 04/09/2015 10:01 PM, Tony Lindgren wrote:
> > > * Peter Ujfalusi <peter.ujfalusi@...com> [150409 11:55]:
> > >> On 04/09/2015 06:18 PM, Tony Lindgren wrote:
> > >>> * Peter Ujfalusi <peter.ujfalusi@...com> [150409 02:37]:
> > >>>> The sDMA requests are routed through the DMA crossbar and without the
> > >>>> crossbar only peripherals using DMA request 0-127 can be used.
> > >>>
> > >>> I assume this can be merged separately from the driver
> > >>> changes?
> > >>
> > >> Unfortunately not. We need to have the drivers in place for the DTS changes to
> > >> work.
> > > 
> > > Right but just merging the driver changes presumably won't
> > > break things?
> > 
> > No, they will not break anything. We just do not have control over the DMA
> > crossbar (in a same way as we don't have control right now).
> 
> OK good to hear.

Looks like the related DMA changes are now merged, so applying this
into omap-for-v4.3/dt thanks.

Tony
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