Am Mittwoch, 11. Januar 2012, 23:36:25 schrieb Sarah Sharp: > Ok, that's what I thought. Some folks were concerned about bad system > power management they have been seeing, and they were claiming the host > didn't need to poll an empty CD drive if the USB CD drive advertised > remote wakeup in its descriptors. Now I can tell them it's simply not > true. But there still is an inefficiency with respect to polling devices. If sd_open() fails with -ENOMEDIUM we go through the full timeout. This is exactly what we shouldn't do in case a device is polled at a regular frequency. 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
