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From: Tony Lindgren <tony@atomide.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: vinod.koul@intel.com, linux@arm.linux.org.uk,
	grant.likely@linaro.org, dmaengine@vger.kernel.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	robh+dt@kernel.org, nm@ti.com, arnd@arndb.de,
	maxime.ripard@free-electrons.com
Subject: Re: [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar
Date: Thu, 9 Apr 2015 12:12:07 -0700	[thread overview]
Message-ID: <20150409191206.GU18048@atomide.com> (raw)
In-Reply-To: <5526CD6A.8010300@ti.com>

* Peter Ujfalusi <peter.ujfalusi@ti.com> [150409 12:07]:
> On 04/09/2015 10:01 PM, Tony Lindgren wrote:
> > * Peter Ujfalusi <peter.ujfalusi@ti.com> [150409 11:55]:
> >> On 04/09/2015 06:18 PM, Tony Lindgren wrote:
> >>> * Peter Ujfalusi <peter.ujfalusi@ti.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.

Thanks,

Tony

  reply	other threads:[~2015-04-09 19:15 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-09  9:35 [PATCH v5 0/8] dmaengine/dra7x: DMA router (crossbar support) Peter Ujfalusi
2015-04-09  9:35 ` [PATCH v5 1/8] dmaengine: of_dma: Support for DMA routers Peter Ujfalusi
2015-04-09  9:35 ` [PATCH v5 2/8] Documentation: devicetree: dma: Binding documentation for TI DMA crossbar Peter Ujfalusi
2015-04-09  9:35 ` [PATCH v5 3/8] dmaengine: Add driver for TI DMA crossbar on DRA7x Peter Ujfalusi
2015-05-04  5:38   ` Vinod Koul
2015-05-07  9:48     ` Peter Ujfalusi
2015-05-08  3:41       ` Vinod Koul
2015-05-08  7:05         ` Peter Ujfalusi
2015-05-08  9:03           ` Vinod Koul
2015-05-08 15:09             ` Tony Lindgren
2015-05-08 17:44               ` Peter Ujfalusi
2015-04-09  9:35 ` [PATCH v5 4/8] dmaengine: omap-dma: Use defines for dma channels and request count Peter Ujfalusi
2015-04-09  9:35 ` [PATCH v5 5/8] dmaengine: omap-dma: Take DMA request number from DT if it is available Peter Ujfalusi
2015-04-09  9:35 ` [PATCH v5 6/8] dmaengine: omap-dma: Remove mapping between virtual channels and requests Peter Ujfalusi
2015-04-09  9:35 ` [PATCH v5 7/8] dmaengine: omap-dma: Reduce the number of virtual channels Peter Ujfalusi
2015-04-09  9:35 ` [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar Peter Ujfalusi
2015-04-09 15:18   ` Tony Lindgren
2015-04-09 18:50     ` Peter Ujfalusi
2015-04-09 19:01       ` Tony Lindgren
2015-04-09 19:05         ` Peter Ujfalusi
2015-04-09 19:12           ` Tony Lindgren [this message]
2015-07-14 10:28             ` Tony Lindgren
2015-05-04  5:40   ` Vinod Koul
2015-04-22  7:38 ` [PATCH v5 0/8] dmaengine/dra7x: DMA router (crossbar support) Peter Ujfalusi
2015-05-09 11:44 ` Vinod Koul
2015-05-13 14:57   ` Peter Ujfalusi
2015-05-14 15:21     ` Vinod Koul

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