On 18/07/2022 16:12, Ben Dooks wrote: > On 05/07/2022 22:52, Conor Dooley wrote: >> From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> >> >> The Canaan k210 apparently has a Sysnopsys Designware AXI DMA >> controller, but according to the documentation & devicetree it has 6 >> interrupts rather than the standard one. Support the 6 interrupt >> configuration by unconditionally extending the binding to a maximum of >> 8 per-channel interrupts thereby matching the number of possible >> channels. > > I think you can still configure it to produce a single interrupt > even if there are per-channel interrupts available. This is from > my reading of the driver a little while ago so may not be totally > correct now. > > Having per-channel irqs might be useful in the future, but as above > I think it'll require the driver to be updated to do it (and possibly > some sort of detection) > Yah, driver would need an update. But happily that does not matter for the validity of the binding.
