On Mon, Sep 26, 2022 at 03:49:24PM +0300, Serge Semin wrote: > @Christoph, @Marek, @Bjorn, @Rob could you please join to the > DMA-mask related discussion. @Lorenzo can't decide which driver should > initialize the device DMA-mask. The driver that does the actual DMA mapping or allocation functions need to set it. But even with your comments on the questions I'm still confused what struct device you are even talking about. Can you explain this a bit better?