On Monday 23 July 2012 11:08:47 Sarah Sharp wrote: > > By disabling this, you are not creating a real-world situation. Those > > disks need to be polled for a reason, right? > > Tianyu is trying to test the port power off mechanism with USB 3.0 > devices, to make sure the patches work on USB 3.0. Since the majority > of USB 3.0 devices are storage, he needs to disable the polling to run > tests. > > Yes, killing udev is an extreme measure, and using Alan's suggestion to > stop the block device polling file is better. Yes, this is just a test > and not something we can do in a real Linux distro. This would be an ideal time to extend the API to allow a driver to set the timeout for autosuspend to zero. The storage driver should use this if all its children have reported -ENOMEDIUM or are offlined. Regards Oliver -- 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
