From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM: shmobile: sdhi: pass DMA filter from platform code
Date: Fri, 31 May 2013 17:11:59 +0200 [thread overview]
Message-ID: <2862988.jnTv0iSQcj@wuerfel> (raw)
In-Reply-To: <alpine.DEB.2.00.1305311611460.7395@axis700.grange>
On Friday 31 May 2013 16:52:13 Guennadi Liakhovetski wrote:
>
> Thanks for the patches. How about this fix:
>
> http://thread.gmane.org/gmane.linux.kernel.mmc/20619
>
> I think it's a better fix. SHDMA users cannot use other DMA drivers, so, I
> don't think we need to pass the filter via the platform data.
I think it's more a matter of using the API correctly. The dmaengine
API is an abstraction to separate the slave driver from the master
through well-defined calls. If you make additional assumptions
in the slave driver about the master, that is a layering violation.
Arnd
next prev parent reply other threads:[~2013-05-31 15:11 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-31 13:56 [PATCH 1/2] ARM: shmobile: sdhi: pass DMA filter from platform code Arnd Bergmann
2013-05-31 13:56 ` [PATCH 2/2] ARM: shmobile: sdhi: remove DMA hardware dependencies Arnd Bergmann
2013-05-31 13:58 ` Arnd Bergmann
2013-06-07 10:22 ` Guennadi Liakhovetski
2013-06-07 12:59 ` Arnd Bergmann
2013-06-07 13:12 ` Guennadi Liakhovetski
2013-06-07 14:53 ` Arnd Bergmann
2013-06-07 15:32 ` Guennadi Liakhovetski
2013-06-07 16:06 ` Arnd Bergmann
2013-06-19 19:51 ` Guennadi Liakhovetski
2013-06-19 21:51 ` Arnd Bergmann
2013-06-26 10:10 ` DMA channels (was Re: [PATCH 2/2] ARM: shmobile: sdhi: remove DMA hardware dependencies) Guennadi Liakhovetski
2013-06-26 14:35 ` Arnd Bergmann
2013-06-26 15:48 ` Vinod Koul
2013-05-31 14:52 ` [PATCH 1/2] ARM: shmobile: sdhi: pass DMA filter from platform code Guennadi Liakhovetski
2013-05-31 15:11 ` Arnd Bergmann [this message]
2013-05-31 15:30 ` Guennadi Liakhovetski
2013-05-31 16:02 ` Arnd Bergmann
2013-06-05 8:28 ` Guennadi Liakhovetski
2013-06-07 10:25 ` Guennadi Liakhovetski
2013-06-07 12:52 ` Arnd Bergmann
2013-06-07 13:01 ` Guennadi Liakhovetski
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