Thank you Greg, So it seems xhci's interrupt based on it's rx/tx
queue(ring), the ring is shared by all USB device, it is not aware of
"per USB device"?
Regards
Yunhua
On Fri, Jul 5, 2019 at 9:46 PM Greg KH wrote:
>
> On Fri, Jul 05, 2019 at 07:50:28PM -0700, yunhua li wrote:
> > Hi all
> >
>
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
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 multip