On Fri, Jul 10, 2020 at 01:45:44AM +0300, Serge Semin wrote: > There are DMA devices (like ours version of Synopsys DW DMAC) which have > DMA capabilities non-uniformly redistributed between the device channels. > In order to provide a way of exposing the channel-specific parameters to > the DMA engine consumers, we introduce a new DMA-device callback. In case > if provided it gets called from the dma_get_slave_caps() method and is > able to override the generic DMA-device capabilities. In light of recent developments consider not to add 'slave' and a such words to the kernel. -- With Best Regards, Andy Shevchenko
