Re: [RFC PATCH 6/6] spi: spi-s3c64xx: Move DMA initialization

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On Tue, Sep 10, 2013 at 01:24:01PM +0200, Łukasz Czerwiński wrote:

> For 16kB buffer upload time is reduced from ~90ms to ~80ms (I tested
> with S5C73M3 355560B transfer). If you think that performance
> increase isn't valuable we should skip that patch.

That does seem worthwhile.  Is that just a single transfer in isolation?

> amba-pl80 uses virtual DMA channels support so driver won't occupy
> all the time physical channel. pl330 driver don't use such framework
> but It will be very hard to occupy all channels at the same time. If
> I'm wrong please correct me.

OK.

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