[Patch v4 06/10] dmaengine: Add dma router for pl08x in LPC32XX SoC

Piotr Wojtaszczyk piotr.wojtaszczyk at timesys.com
Mon Jun 24 18:59:11 AEST 2024


On Mon, Jun 24, 2024 at 7:39 AM Vinod Koul <vkoul at kernel.org> wrote:
> Any reason why dmaengine parts cant be sent separately, why are they
> clubbed together, I dont see any obvious dependencies...

The I2S driver depends on the dmaengine parts

> On 20-06-24, 19:56, Piotr Wojtaszczyk wrote:
> > LPC32XX connects few of its peripherals to pl08x DMA thru a multiplexer,
> > this driver allows to route a signal request line thru the multiplexer for
> > given peripheral.
>
> What is the difference b/w this and lpc18xx driver, why not reuse that
> one?

The lpc18xx used the same dma peripheral (pl08x) but the request signal
multiplexer around pl08x is completely different - there are no common parts.

-- 
Piotr Wojtaszczyk
Timesys


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