Hello, On Wed, 28 Nov 2018 07:48:09 -0500 (EST) Mouse <mo...@rodents-montreal.org> wrote:
> >> This reminds me - how does a driver know if any kind of MSI support > >> is even available? > > it shouldn't need to. > > Okay, then I'm missing something. I've seen hardware where enabling > MSI is something device-specific (a value in a register, typically), > meaning _something_ MD, presumably the driver, has to be involved if > MSI is to be used. Or, for that matter, if it can use one IRQ or - say - 8 MSI. have fun Michael
