On Fri, 3 Nov 2017, Adam Ford wrote: > One other similar question. I apologize for my ignorance. It appears > as if the MUSB support suspending and resume in host mode. If we can > predict that the noise will generate, we're hoping to suspend the USB > before the noise even, then resume the USB after the noise event in > hopes that the USB doesn't disconnect and re-connect again. > > Can someone point me to the right place for the documentation on how > to suspend only the USB? I know how to make the whole system suspend.
In general, you can't do it unless the devices on the USB bus are all idle and suspended. For information on runtime suspend, see Documentation/driver-api/pm/devices.rst and Documentation/driver-api/usb/power-management.rst. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
