On Wed, Jun 15, 2011 at 11:49 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Wed, 15 Jun 2011, Amit Nagal wrote: > >> >> 1) In one of my embedded targets , host and device are hardwired over usb . >> >> so i want to have programtic equivalent of unplug/plug cycle in usb >> >> host to check connect / disconnect >> >> functionality and without using rmmod usb modules on host side . Also >> >> i donot have control over gadget side . >> > >> > You could turn off power to the host. That would have pretty much the >> > effect you want. But there's no other way to do it. >> > >> >> turn off power to the host ? sorry i didn't get it . is it meant to be >> "turn off power to the device" ? > > No, I meant "turn off power to the host". Like, disconnect the host > computer from its power source (and remove its batteries). > ok lastly , is it possible to poweroff a usb port from host software for eg similar to the case where a usb host can turn off port power if too much current is drwan by the device ? Regards Amit Nagal -- 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
