On Thu, 12 Jan 2012, Alex,Shi wrote: > Thanks, Sarah. I understand your concern now. > Maybe checking MSI first in usb_hcd_request_irqs is your favorite too, > right? > > I take a quick glance on the code. May we have 2 ways to implement it. > > A, move current xhci code and a few MSI related objects into usb_hcd > core code and structure. the skeleton like below. MSI is used only for PCI, right? Therefore we should try to keep as much as possible of the core MSI-related code in hcd-pci.c, not in hcd.c. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html