[PATCH 07/12] mmc: omap: add DMA engine support

Tony Lindgren tony at atomide.com
Mon Apr 30 11:59:38 EDT 2012


* Russell King - ARM Linux <linux at arm.linux.org.uk> [120428 09:40]:
> On Mon, Apr 23, 2012 at 05:13:30PM -0700, Tony Lindgren wrote:
> > * Russell King <rmk+kernel at arm.linux.org.uk> [120423 09:11]:
> > > Add DMA engine support to the OMAP driver.  This supplements the
> > > private DMA API implementation contained within this driver, and the
> > > driver can be switched at build time between using DMA engine and the
> > > private DMA API.
> > 
> > Below is what's needed to use DMA request lines from platform data.
> > Note also the release_mem_region change that we'll now need for
> > this one also (but not as a fix).
> > 
> > I've posted a cleanup patch series to mostly remove plat-omap/devices.c
> > that takes care of passing the DMA request lines in platform data.
> > That series should get merged before the driver changes for this
> > driver to keep DMA working.
> 
> Okay, how do we want to handle this patch?  I don't think there's any
> urgency for this patch at the present time, so I'm quite happy for this
> to be delayed after the next merge window after we have the pre-requisits
> for it in place.  (And trying to get it in earlier is only going to give
> us git tree dependencies to deal with.)

Sounds good to me.

Regards,

Tony



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