On Fri, Jul 05, 2019 at 07:50:28PM -0700, yunhua li wrote: > Hi all > > xhci_msi_irq is the interrupt handler for xhci, the controller it self > is a PCI device, on my system it is a Intel chip. I have multiple USB > device connect to this USB host controller, xhci_msi_irq is interrupt > handler for the PCI device(USB Host controller). > Is it possible to have multiple IRQ, and different IRQ for different > USB device? Nope. That is not how USB works. Please read the xhci spec if you are curious as to why. greg k-h
