Messages in this thread | | | Date | Tue, 28 Jan 2014 13:01:54 +0000 | From | Russell King - ARM Linux <> | Subject | Re: [Patch v3 2/2] dmaengine: qcom_bam_dma: Add device tree binding |
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On Tue, Jan 28, 2014 at 01:05:10PM +0100, Arnd Bergmann wrote: > Ok, thanks for clearing up my mistake. However, the argument remains: > the direction doesn't need to be in the DT DMA descriptor since it > gets set by software anyway.
Yes - for full-duplex, it's implied, since you have one DMA request (and therefore virtual channel) for memory-to-device and another for device-to-memory.
-- FTTC broadband for 0.8mile line: 5.8Mbps down 500kbps up. Estimation in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad. Estimate before purchase was "up to 13.2Mbit".
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