On Wed, Jun 18, 2008, Stefan Richter wrote: > Johannes Stezenbach wrote: >> I think the USB bus enumeration can take significant time: >> recognize a device is connected, turn on bus power, try >> to read descriptors (bus powered devices might be slow to >> respond after power up). And this will happen even with >> drivers_autoprobe == 0, right? > > Probably... I don't know which particular steps happen in the USB core > before upper layer drivers are bound. Not binding the [eou]hci-hcd PCI > driver would certainly be more effective. Well, in embedded systems you often don't have a PCI bus, but platform devices. Maybe it's as simple as delaying the USB platform_device_register() call, I don't know. Johannes -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
