On Mon, Feb 24, 2014 at 12:37 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Mon, Feb 24, 2014 at 11:37:35AM -0800, Dan Williams wrote: >> Add a command line switch for disabling ehci port switchover. Useful >> for working around / debugging xhci incompatibilities where ehci >> operation is available. >> >> Reference: http://marc.info/?l=linux-usb&m=138920063001509&w=2 > > What about if xhci is a kernel module? > Should still be ok because drivers/usb/host/pci-quirks.c is always built-in: drivers/usb/host/Makefile:26:obj-$(CONFIG_PCI) += pci-quirks.o As far as the xhci driver is concerned the port switches are read-only. -- 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