Re: [Patch v4] OMAP: sDMA driver: descriptor autoloading feature

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Venkatraman S wrote:
On Tue, Dec 29, 2009 at 3:18 AM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
* Venkatraman S <svenkatr@xxxxxx> [091211 07:01]:
Here is the most updated version of the patch (thanks to Russell's
review). This patch is applicable to OMAP4xxx as well as OMAP3630
Reference to previous posts
v1  http://marc.info/?l=linux-omap&m=125012097403050&w=2
v2  http://marc.info/?l=linux-omap&m=125137152606644&w=2
v3  http://patchwork.kernel.org/patch/45408/
Do you have a patch for drivers/mmc/host/omap_hsmmc.c to
use this feature? Or some other driver?

Regards,

Tony

I am about to start working on omap_hsmmc to use the descriptor load
feature. If the DMA changes are acceptable, I can post the driver
patch as well.

I presume this is about performance.  How does it compare to chained DMA?
We have a patch for omap_hsmmc for chained DMA that we are still testing.

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