On Fri, 29 Mar 2013, Sarah Sharp wrote: > > Also, bear in mind that the proposed patch does not give userspace a > > way to power off ports via usbfs. What the new code does is a > > power-off reset -- it turns off power to the port, waits a short time, > > and then turns power back on. > > I think we need two separate IOCTLs: turn off the port power and turn it > on. Then we get the manual port power off for our QA testing, distros > can make interesting policies about manually powering off ports, and > userspace can choose how long they want the port to be off. After all, > different devices may need a longer powered-off period than others.
Or one port-power IOCTL that takes the setting as an argument. Yes, this would be more flexible than a power-off reset. 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
