From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Matt Porter <mporter-l0cyMroinI0@public.gmane.org>
Cc: Linux DaVinci Kernel List
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Linux ARM Kernel List
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Subject: Re: [PATCH v4 00/14] DMA Engine support for AM33XX
Date: Fri, 11 Jan 2013 20:12:45 +0000 [thread overview]
Message-ID: <201301112012.45981.arnd@arndb.de> (raw)
In-Reply-To: <20130111183349.GA14660@beef>
On Friday 11 January 2013, Matt Porter wrote:
> We have tightly coupled the link-time dependency for
> omap_dma_filter_fn by going down the path of using
> dma_request_slave_channel_compat() as Tony suggested to avoid extra
> ifdefry.
>
> That dependency will go away naturally if all the "legacy" OMAP platforms
> were required to only boot from DT...just as a newly added SoCs are.
>
> Are you suggesting unwinding the _compat() approach?
No, I was thinking we could define omap_dma_filter_fn to NULL
for the DT-only case.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 00/14] DMA Engine support for AM33XX
Date: Fri, 11 Jan 2013 20:12:45 +0000 [thread overview]
Message-ID: <201301112012.45981.arnd@arndb.de> (raw)
In-Reply-To: <20130111183349.GA14660@beef>
On Friday 11 January 2013, Matt Porter wrote:
> We have tightly coupled the link-time dependency for
> omap_dma_filter_fn by going down the path of using
> dma_request_slave_channel_compat() as Tony suggested to avoid extra
> ifdefry.
>
> That dependency will go away naturally if all the "legacy" OMAP platforms
> were required to only boot from DT...just as a newly added SoCs are.
>
> Are you suggesting unwinding the _compat() approach?
No, I was thinking we could define omap_dma_filter_fn to NULL
for the DT-only case.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Matt Porter <mporter@ti.com>
Cc: Tony Lindgren <tony@atomide.com>, Sekhar Nori <nsekhar@ti.com>,
Grant Likely <grant.likely@secretlab.ca>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Benoit Cousson <b-cousson@ti.com>,
Russell King <linux@arm.linux.org.uk>,
Vinod Koul <vinod.koul@intel.com>, Rob Landley <rob@landley.net>,
Chris Ball <cjb@laptop.org>,
Devicetree Discuss <devicetree-discuss@lists.ozlabs.org>,
Linux OMAP List <linux-omap@vger.kernel.org>,
Linux ARM Kernel List <linux-arm-kernel@lists.infradead.org>,
Linux DaVinci Kernel List
<davinci-linux-open-source@linux.davincidsp.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Documentation List <linux-doc@vger.kernel.org>,
Linux MMC List <linux-mmc@vger.kernel.org>,
Linux SPI Devel List <spi-devel-general@lists.sourceforge.net>,
Dan Williams <djbw@fb.com>, Rob Herring <rob.herring@calxeda.com>
Subject: Re: [PATCH v4 00/14] DMA Engine support for AM33XX
Date: Fri, 11 Jan 2013 20:12:45 +0000 [thread overview]
Message-ID: <201301112012.45981.arnd@arndb.de> (raw)
In-Reply-To: <20130111183349.GA14660@beef>
On Friday 11 January 2013, Matt Porter wrote:
> We have tightly coupled the link-time dependency for
> omap_dma_filter_fn by going down the path of using
> dma_request_slave_channel_compat() as Tony suggested to avoid extra
> ifdefry.
>
> That dependency will go away naturally if all the "legacy" OMAP platforms
> were required to only boot from DT...just as a newly added SoCs are.
>
> Are you suggesting unwinding the _compat() approach?
No, I was thinking we could define omap_dma_filter_fn to NULL
for the DT-only case.
Arnd
next prev parent reply other threads:[~2013-01-11 20:12 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-11 5:48 [PATCH v4 00/14] DMA Engine support for AM33XX Matt Porter
2013-01-11 5:48 ` Matt Porter
[not found] ` <1357883330-5364-1-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2013-01-11 5:48 ` [PATCH v4 01/14] ARM: davinci: move private EDMA API to arm/common Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
[not found] ` <1357883330-5364-2-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2013-01-11 6:15 ` Hebbar, Gururaja
2013-01-11 6:15 ` Hebbar, Gururaja
2013-01-11 6:15 ` Hebbar, Gururaja
2013-01-11 6:15 ` Hebbar, Gururaja
2013-01-11 14:27 ` Matt Porter
2013-01-11 14:27 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 02/14] ARM: edma: remove unused transfer controller handlers Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 03/14] ARM: edma: add AM33XX support to the private EDMA API Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 18:14 ` [PATCH v4,03/14] " Lars Poeschel
2013-01-11 18:14 ` Lars Poeschel
2013-01-11 18:14 ` [PATCH v4, 03/14] " Lars Poeschel
2013-01-11 18:14 ` [PATCH v4,03/14] " Lars Poeschel
[not found] ` <9fda86bbbec3444393fd5a2dc5135a5e@DFLE73.ent.ti.com>
[not found] ` <9fda86bbbec3444393fd5a2dc5135a5e-jplQ/0hSbXKIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2013-01-11 18:21 ` Matt Porter
2013-01-11 18:21 ` Matt Porter
2013-01-11 18:21 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 04/14] dmaengine: edma: enable build for AM33XX Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 05/14] dmaengine: edma: Add TI EDMA device tree binding Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
[not found] ` <1357883330-5364-6-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2013-01-11 7:54 ` Hebbar, Gururaja
2013-01-11 7:54 ` Hebbar, Gururaja
2013-01-11 7:54 ` Hebbar, Gururaja
[not found] ` <06e6ba0bd8984e1797c84d2926584909@DFLE72.ent.ti.com>
2013-01-11 14:30 ` Matt Porter
2013-01-11 14:30 ` Matt Porter
2013-01-11 14:30 ` Matt Porter
2013-01-11 14:30 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 06/14] ARM: dts: add AM33XX EDMA support Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 07/14] dmaengine: add dma_request_slave_channel_compat() Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 17:52 ` Tony Lindgren
2013-01-11 17:52 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 08/14] mmc: omap_hsmmc: convert to dma_request_slave_channel_compat() Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 17:52 ` Tony Lindgren
2013-01-11 17:52 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 09/14] mmc: omap_hsmmc: set max_segs based on dma engine limitations Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 17:53 ` Tony Lindgren
2013-01-11 17:53 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 10/14] mmc: omap_hsmmc: add generic DMA request support to the DT binding Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 17:54 ` Tony Lindgren
2013-01-11 17:54 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 11/14] ARM: dts: add AM33XX MMC support Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 17:55 ` Tony Lindgren
2013-01-11 17:55 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 12/14] spi: omap2-mcspi: convert to dma_request_slave_channel_compat() Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 13/14] spi: omap2-mcspi: add generic DMA request support to the DT binding Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 5:48 ` Matt Porter
2013-01-11 11:40 ` [PATCH v4 00/14] DMA Engine support for AM33XX Arnd Bergmann
2013-01-11 11:40 ` Arnd Bergmann
2013-01-11 11:40 ` Arnd Bergmann
2013-01-11 18:33 ` Matt Porter
2013-01-11 18:33 ` Matt Porter
2013-01-11 20:12 ` Arnd Bergmann [this message]
2013-01-11 20:12 ` Arnd Bergmann
2013-01-11 20:12 ` Arnd Bergmann
2013-01-11 5:48 ` [PATCH v4 14/14] ARM: dts: add AM33XX SPI DMA support Matt Porter
2013-01-11 5:48 ` Matt Porter
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