On Thu, 2 Aug 2012, Lan Tianyu wrote: > >> 3)Root-hub set port's DeviceRemovable flag where PortIsConnectable and > >> UserVisible are clear. > > > > Set DeviceRemovable whenever UserVisible is set. Right now ehci-hcd > > and uhci-hcd always set DeviceRemovable to 0. > > UserVisible is got from ACPI and permanent. So we only need set once when > the port binding with acpi.
However DeviceRemovable is filled in dynamically, whenever the Get-Hub-Descriptor request is received by a host controller driver. > >> 4)Add QUIRK_POWEROFF_MORPHS flags for those devices which retain > >> important settings across a reset but lose them when power is removed. > > > > This flag doesn't care about resets. It applies to any device which > > loses important settings when bus power is removed. > > > Since it applies to any devices, how about renaming QUIRK_POWEROFF? > not all device morphs. Okay, you could name it that. And you could change QUIRK_RESET_MORPHS to QUIRK_RESET. Unless Oliver objects. :-) 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
