Am Montag, 14. Dezember 2009 23:12:06 schrieb Alan Stern: > On Mon, 14 Dec 2009, Oliver Neukum wrote: > > > > Also note that other drivers will reset a device to recover from errors > > > (usbhid for example). > > > > I haven't heard of a switched device with an HID interface. > > Eventually one will come along. Yes, I have some code to fall back to usb_reset_configuration(). Should we do so also for storage? > > > probably because Windows doesn't use it. So what does Windows do when > > > such a device gets an error in its mass-storage interface? > > > > I don't know. I suspect Windows switches modes in kernel space. > > Well, if we don't have any choice then it has to be done. Obviously a > sysfs attribute is the best way. However I can't help thinking that > this is only a symptom of something deeper, and it ought to be > generalized. But it's not clear how... The obvious alternative is to put mode switching into the kernel. If you don't want to do that, there'll be other drawbacks, we are seeing here. 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
