On Wed, 6 Apr 2016, Michal Nazarewicz wrote: > On Tue, Apr 05 2016, Alan Stern wrote: > > Suppose one usb_function is carrying out an I/O operation while > > another one in the same config gets a Set-Interface request from the > > host. > > That cannot happen. A single instance of mass_storage cannot¹ be added > twice to the same configuration. > > ¹ To be more precise, not via configfs. A legacy gadget could do that, > but that would be a bug in that legacy driver, not f_mass_storage. > Moreover, no current legacy gadgets do that though so IMO this is an > academic discussion. Okay. Then I suggest adding this explanation to the patch description. BTW, is configfs capable of adding a single instance twice in different configs? Or is that again something only legacy gadgets can do? Alan Stern -- 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
