From: Matt Porter <mporter@ti.com>
To: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: Tony Lindgren <tony@atomide.com>,
Linux DaVinci Kernel List
<davinci-linux-open-source@linux.davincidsp.com>,
Linux OMAP List <linux-omap@vger.kernel.org>,
Russell King <linux@arm.linux.org.uk>,
"Cousson, Benoit" <b-cousson@ti.com>,
Arnd Bergmann <arnd@arndb.de>,
Linux Documentation List <linux-doc@vger.kernel.org>,
Vinod Koul <vinod.koul@intel.com>,
Linux MMC List <linux-mmc@vger.kernel.org>,
Devicetree Discuss <devicetree-discuss@lists.ozlabs.org>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Rob Herring <rob.herring@calxeda.com>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Landley <rob@landley.net>, Dan Williams <djbw@fb.com>,
Linux SPI Devel List <spi-devel-general@lists.sourceforge.net>,
Chris Ball <cjb@laptop.org>,
Linux ARM Kernel List <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v7 01/10] ARM: davinci: move private EDMA API to arm/common
Date: Fri, 1 Feb 2013 13:59:59 -0500 [thread overview]
Message-ID: <20130201185959.GQ2244@beef> (raw)
In-Reply-To: <2077c13e12314dc3adc8e5b653855da0@DFLE72.ent.ti.com>
On Fri, Feb 01, 2013 at 07:52:46PM +0000, Sergei Shtylyov wrote:
> Hello.
>
> On 02/01/2013 09:49 PM, Matt Porter wrote:
>
> >>> Move mach-davinci/dma.c to common/edma.c so it can be used
> >>> by OMAP (specifically AM33xx) as well.
>
> >> I think this should rather go to drivers/dma/?
>
> > No, this is the private EDMA API. It's the analogous thing to
> > the private OMAP dma API that is in plat-omap/dma.c. The actual
> > dmaengine driver is in drivers/dma/edma.c as a wrapper around
> > this...same way OMAP DMA engine conversion is being done.
>
> Keeps me wondering why we couldn't have the same with CPPI 4.1 when I proposed
> that, instead of waiting indefinitely for TI to convert it to drivers/dma/
> directly. We could have working MUSB DMA on OMAP-L1x/Sitara all this time... Sigh.
That is a shame. Yeah, I've pointed out that I was doing this exactly
the same way as was acceptable for the OMAP DMA conversion since it was
in RFC. The reasons are sound since in both cases, we have many drivers
to convert that need to continue using the private DMA APIs.
-Matt
>
next prev parent reply other threads:[~2013-02-01 18:59 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-01 18:22 [PATCH v7 00/10] DMA Engine support for AM33XX Matt Porter
2013-02-01 18:22 ` [PATCH v7 03/10] ARM: edma: add AM33XX support to the private EDMA API Matt Porter
2013-02-01 18:22 ` [PATCH v7 04/10] dmaengine: edma: enable build for AM33XX Matt Porter
[not found] ` <1359742975-10421-1-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2013-02-01 18:22 ` [PATCH v7 01/10] ARM: davinci: move private EDMA API to arm/common Matt Porter
2013-02-01 18:41 ` Tony Lindgren
2013-02-02 12:49 ` Russell King - ARM Linux
2013-02-02 14:44 ` Matt Porter
[not found] ` <5022f635a527470dbd0be932063e9cd2@DFLE72.ent.ti.com>
2013-02-01 18:49 ` Matt Porter
[not found] ` <2077c13e12314dc3adc8e5b653855da0@DFLE72.ent.ti.com>
2013-02-01 18:59 ` Matt Porter [this message]
2013-02-02 0:01 ` Sergei Shtylyov
2013-02-02 12:45 ` Russell King - ARM Linux
2013-02-02 17:27 ` Sergei Shtylyov
[not found] ` <e9be6668da8b4372a04687847daa1d8c@DFLE72.ent.ti.com>
2013-02-02 18:07 ` Matt Porter
2013-02-02 18:16 ` Tony Lindgren
2013-02-02 19:48 ` Matt Porter
2013-02-02 21:02 ` Tony Lindgren
2013-02-02 19:06 ` Sergei Shtylyov
[not found] ` <3245316d7aa94b2e823f98b69497547d@DLEE74.ent.ti.com>
[not found] ` <3245316d7aa94b2e823f98b69497547d-0VoBT8GTp4aIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2013-02-02 19:55 ` Matt Porter
2013-02-02 20:18 ` Sergei Shtylyov
2013-02-01 19:52 ` Sergei Shtylyov
[not found] ` <510C1D0E.6030401-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>
2013-02-01 18:58 ` Felipe Balbi
2013-02-01 20:49 ` Sergei Shtylyov
[not found] ` <510C2A47.1090607-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>
2013-02-01 20:56 ` Felipe Balbi
2013-02-01 21:30 ` Russell King - ARM Linux
2013-02-02 0:07 ` Sergei Shtylyov
2013-02-02 0:44 ` Russell King - ARM Linux
[not found] ` <20130202004455.GX2637-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-02-02 2:09 ` Sergei Shtylyov
2013-02-02 10:18 ` Russell King - ARM Linux
2013-02-02 12:17 ` Russell King - ARM Linux
[not found] ` <20130202121738.GZ2637-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-02-02 17:02 ` Sergei Shtylyov
[not found] ` <20130202101851.GY2637-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-02-02 16:27 ` Sergei Shtylyov
2013-02-02 16:45 ` Russell King - ARM Linux
[not found] ` <20130202164522.GC2637-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-02-02 17:17 ` Sergei Shtylyov
[not found] ` <510C58DF.3010103-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>
2013-02-04 14:27 ` Arnd Bergmann
2013-02-02 0:13 ` Sergei Shtylyov
[not found] ` <20130201213003.GW2637-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-02-04 15:41 ` Felipe Balbi
2013-02-04 15:45 ` Russell King - ARM Linux
2013-02-04 17:36 ` Sergei Shtylyov
2013-02-04 16:47 ` Felipe Balbi
2013-02-04 17:10 ` Russell King - ARM Linux
2013-02-04 17:54 ` Sergei Shtylyov
[not found] ` <510FF5C9.3030600-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>
2013-02-04 17:02 ` Felipe Balbi
2013-02-04 18:22 ` Sergei Shtylyov
[not found] ` <20130204170216.GC4269-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2013-02-04 19:22 ` Cyril Chemparathy
2013-02-04 20:29 ` Linus Walleij
2013-02-04 20:33 ` Mark Brown
2013-02-04 21:11 ` Linus Walleij
[not found] ` <CACRpkdbPyZt8=pLhz-5qcaSSAk6VBn61dPTNp6teU9HksBwN2w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-02-04 21:47 ` Arnd Bergmann
2013-02-05 12:38 ` Russell King - ARM Linux
[not found] ` <20130205123828.GB17852-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-02-05 15:37 ` Cyril Chemparathy
2013-02-04 21:54 ` Cyril Chemparathy
2013-02-05 12:41 ` Russell King - ARM Linux
[not found] ` <20130205124120.GC17852-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-02-05 15:42 ` Cyril Chemparathy
2013-02-05 15:30 ` Linus Walleij
2013-02-05 17:14 ` Russell King - ARM Linux
[not found] ` <20130205171451.GE17852-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-02-05 18:33 ` Linus Walleij
[not found] ` <CACRpkdZihnp3_Df==QRWxQupgi7W_YXZxc-MxkusVH6J+Vx56A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-02-04 22:30 ` Cyril Chemparathy
[not found] ` <5110369B.9060901-l0cyMroinI0@public.gmane.org>
2013-02-05 16:21 ` Linus Walleij
2013-02-05 16:47 ` Mark Brown
2013-02-05 17:06 ` Russell King - ARM Linux
2013-02-05 17:41 ` Mark Brown
2013-02-05 18:29 ` Linus Walleij
[not found] ` <CACRpkdbeoMO1rjPiWDAuVL0uYwMGF+9-vCxqoMiMd1uAgZm=RQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-02-05 19:45 ` Cyril Chemparathy
2013-02-05 18:28 ` Tony Lindgren
[not found] ` <20130205182848.GJ25185-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2013-02-05 22:26 ` Arnd Bergmann
[not found] ` <201302052226.30754.arnd-r2nGTMty4D4@public.gmane.org>
2013-02-06 7:45 ` Felipe Balbi
2013-02-01 23:10 ` Sergei Shtylyov
[not found] ` <1359742975-10421-2-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2013-02-09 16:05 ` Sekhar Nori
2013-02-09 20:08 ` Russell King - ARM Linux
2013-03-04 22:05 ` Matt Porter
[not found] ` <e92425fefcc04bb4ab739ec8d4e82672@DLEE74.ent.ti.com>
[not found] ` <e92425fefcc04bb4ab739ec8d4e82672-0VoBT8GTp4aIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2013-03-04 22:12 ` Matt Porter
2013-02-01 18:22 ` [PATCH v7 02/10] ARM: edma: remove unused transfer controller handlers Matt Porter
2013-02-01 18:22 ` [PATCH v7 05/10] dmaengine: edma: Add TI EDMA device tree binding Matt Porter
2013-02-01 18:26 ` Matt Porter
2013-02-01 18:22 ` [PATCH v7 06/10] ARM: dts: add AM33XX EDMA support Matt Porter
2013-02-01 18:22 ` [PATCH v7 07/10] dmaengine: add dma_request_slave_channel_compat() Matt Porter
2013-02-01 18:28 ` Matt Porter
2013-02-12 16:38 ` Vinod Koul
2013-02-01 18:22 ` [PATCH v7 08/10] spi: omap2-mcspi: convert to dma_request_slave_channel_compat() Matt Porter
2013-02-01 18:22 ` [PATCH v7 09/10] spi: omap2-mcspi: add generic DMA request support to the DT binding Matt Porter
2013-02-01 18:22 ` [PATCH v7 10/10] ARM: dts: add AM33XX SPI DMA support Matt Porter
2013-02-01 18:32 ` [PATCH v7 00/10] DMA Engine support for AM33XX Matt Porter
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