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
