Re: dma-coherent property for PCIe Root

On 9/14/20 1:23 AM, Valmiki wrote: Hi All, How does "dma-coherent" property will work for PCIe as RC on an ARM SOC ? Because the end point device drivers are the one which will request dma buffers and Root port driver doesn't involve in data path of end point except for handling interrupts.

dma-coherent property for PCIe Root

Hi All, How does "dma-coherent" property will work for PCIe as RC on an ARM SOC ? Because the end point device drivers are the one which will request dma buffers and Root port driver doesn't involve in data path of end point except for handling interrupts. How does EP DMA buffers will be