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: Tue, 14 Jul 2015 03:28:56 -0700 [thread overview]
Message-ID: <20150714102855.GL17550@atomide.com> (raw)
In-Reply-To: <20150409191206.GU18048@atomide.com>
* Tony Lindgren <tony@atomide.com> [150409 12:17]:
> * 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.
Looks like the related DMA changes are now merged, so applying this
into omap-for-v4.3/dt thanks.
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar
Date: Tue, 14 Jul 2015 03:28:56 -0700 [thread overview]
Message-ID: <20150714102855.GL17550@atomide.com> (raw)
In-Reply-To: <20150409191206.GU18048@atomide.com>
* Tony Lindgren <tony@atomide.com> [150409 12:17]:
> * 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.
Looks like the related DMA changes are now merged, so applying this
into omap-for-v4.3/dt thanks.
Tony
next prev parent reply other threads:[~2015-07-14 10:28 UTC|newest]
Thread overview: 74+ 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 ` Peter Ujfalusi
2015-04-09 9:35 ` 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 ` Peter Ujfalusi
2015-04-09 9:35 ` 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 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 3/8] dmaengine: Add driver for TI DMA crossbar on DRA7x Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
[not found] ` <1428572154-3548-4-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.org>
2015-05-04 5:38 ` Vinod Koul
2015-05-04 5:38 ` Vinod Koul
2015-05-04 5:38 ` Vinod Koul
2015-05-07 9:48 ` Peter Ujfalusi
2015-05-07 9:48 ` Peter Ujfalusi
2015-05-07 9:48 ` Peter Ujfalusi
[not found] ` <554B34F2.5050306-l0cyMroinI0@public.gmane.org>
2015-05-08 3:41 ` Vinod Koul
2015-05-08 3:41 ` Vinod Koul
2015-05-08 3:41 ` Vinod Koul
2015-05-08 7:05 ` Peter Ujfalusi
2015-05-08 7:05 ` Peter Ujfalusi
2015-05-08 7:05 ` Peter Ujfalusi
[not found] ` <554C6034.4020004-l0cyMroinI0@public.gmane.org>
2015-05-08 9:03 ` Vinod Koul
2015-05-08 9:03 ` Vinod Koul
2015-05-08 9:03 ` Vinod Koul
2015-05-08 15:09 ` Tony Lindgren
2015-05-08 15:09 ` Tony Lindgren
2015-05-08 17:44 ` Peter Ujfalusi
2015-05-08 17:44 ` Peter Ujfalusi
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 ` Peter Ujfalusi
2015-04-09 9:35 ` 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 ` Peter Ujfalusi
2015-04-09 9:35 ` 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 ` Peter Ujfalusi
2015-04-09 9:35 ` 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 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` [PATCH v5 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 9:35 ` Peter Ujfalusi
2015-04-09 15:18 ` Tony Lindgren
2015-04-09 15:18 ` Tony Lindgren
2015-04-09 18:50 ` Peter Ujfalusi
2015-04-09 18:50 ` Peter Ujfalusi
2015-04-09 18:50 ` Peter Ujfalusi
2015-04-09 19:01 ` Tony Lindgren
2015-04-09 19:01 ` Tony Lindgren
2015-04-09 19:05 ` Peter Ujfalusi
2015-04-09 19:05 ` Peter Ujfalusi
2015-04-09 19:05 ` Peter Ujfalusi
[not found] ` <5526CD6A.8010300-l0cyMroinI0@public.gmane.org>
2015-04-09 19:12 ` Tony Lindgren
2015-04-09 19:12 ` Tony Lindgren
2015-04-09 19:12 ` Tony Lindgren
2015-07-14 10:28 ` Tony Lindgren [this message]
2015-07-14 10:28 ` Tony Lindgren
2015-05-04 5:40 ` Vinod Koul
2015-05-04 5:40 ` Vinod Koul
2015-04-22 7:38 ` [PATCH v5 0/8] dmaengine/dra7x: DMA router (crossbar support) Peter Ujfalusi
2015-04-22 7:38 ` Peter Ujfalusi
2015-04-22 7:38 ` Peter Ujfalusi
2015-05-09 11:44 ` Vinod Koul
2015-05-09 11:44 ` Vinod Koul
2015-05-13 14:57 ` Peter Ujfalusi
2015-05-13 14:57 ` Peter Ujfalusi
2015-05-13 14:57 ` Peter Ujfalusi
2015-05-14 15:21 ` Vinod Koul
2015-05-14 15:21 ` Vinod Koul
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