On Thu, 10 May 2012, Sarah Sharp wrote: > Also, setting the port power off via ACPI may not actually cut power, > because port power might be ganged. Once we signal via ACPI that all > the ports that are ganged together can be powered off, they will. So > there's no guarantees that you can power off the buggy modem unless you > power off the other ganged ports as well. That reminds me... I think this should not be so closely linked with ACPI. There's a perfectly good USB Clear-Feature request for turning off port power; that's what we should use. If hooks are required for interfacing with platform-specific code (such as ACPI), they can be added at the appropriate places. 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
