[PATCH] dmaengine: stm32-dmamux: avoid reset of dmamux if used by coprocessor

[Vinod Koul]

On 04-05-22, 18:17, Amelie Delaunay wrote:
> One of the two DMA controllers managed by the DMAMUX can be used by the
> coprocessor. It is defined in the device tree with dma-masters.
> When the two DMA controllers are used by the main CPU,
> dma-masters = <&dma1, &dma2>; is specified in the device tree.
> When one of the controllers is used by coprocessor (so not managed by
> Linux), dma-masters = <&dma1>; is specified in the device tree.
> In this case, Linux driver must not reset the DMAMUX, because it could have
> been configured by the coprocessor to use the second DMA controller.
> count is the number of DMA controllers defined in dma-masters property.
> Reset only if resets property is found and valid in device tree, and if
> the two DMA controllers are under Linux control.

Applied, thanks

-- 
~Vinod