On Fri, Feb 03, 2012 at 12:14:59PM -0800, Greg KH wrote: > On Fri, Feb 03, 2012 at 02:58:05PM -0500, Matthew Garrett wrote: > > Hubs have a flag to indicate whether a given port carries removable devices > > or not. This is not strictly accurate in that some built-in devices > > will be flagged as removable, but followup patches will make use of platform > > data to make this more reliable. > > Really? What platform data is actually reliable for this? ACPI tables? Yup. > Does other operating systems do something with this data? If not, the > odds of it being correct are pretty much nill, right? Yes, it's used by Windows. http://msdn.microsoft.com/en-us/library/windows/hardware/ff553550%28v=vs.85%29.aspx has some content on this. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- 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
