Re: [RFC] Switching 8250_omap to use 8250_dma RX and TX flow

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* Vignesh R <vigneshr@xxxxxx> [160914 04:58]:
> Hence, I propose to switch to SDMA as dmaengine for 8250_omap and do the
> appropriate changes. This means UART DMA cannot be supported on AM335x
> and AM437x that have only EDMA and no SDMA. But that seems like a
> reasonable middle ground to take rather than disabling DMA on all OMAP
> platforms altogether.
> I am aware that SDMA cannot support resume of paused DMA transaction.
> But I don't see any need for that feature at the moment.

Sounds like it should be configurable from the dts file and kernel
cmdline for which dmaengine back end to use.

Regards,

Tony
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