On Tue, 6 Jun 2017, Felipe Balbi wrote: > Sometimes, the gadget driver we want to run has max_speed lower than > what the UDC supports. In such situations, UDC might want to make sure > we don't try to connect on speeds not supported by the gadget > driver (e.g. super-speed capable dwc3 with high-speed capable g_midi) > because that will just fail. > > In order to make sure this situation never happens, we introduce a new > optional ->udc_set_speed() method which can be implemented by > interested UDC drivers. > > Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> dummy-hcd already checks for this in its dummy_pullup() routine. Should other UDC drivers copy this approach? 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
