diff options
Diffstat (limited to 'payloads/libpayload/drivers/usb/usb.c')
| -rw-r--r-- | payloads/libpayload/drivers/usb/usb.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/payloads/libpayload/drivers/usb/usb.c b/payloads/libpayload/drivers/usb/usb.c index 3820180cbc..d536d31d86 100644 --- a/payloads/libpayload/drivers/usb/usb.c +++ b/payloads/libpayload/drivers/usb/usb.c @@ -281,7 +281,16 @@ set_address (hci_t *controller, int lowspeed) int num = cd->bNumInterfaces; interface_descriptor_t *current = interface; printf ("device has %x interfaces\n", num); - num = (num > 5) ? 5 : num; + if (num>1) + printf ("NOTICE: This driver defaults to using the first interface.\n" + "This might be the wrong choice and lead to limited functionality\n" + "of the device. Please report such a case to coreboot@coreboot.org\n" + "as you might be the first.\n"); + /* we limit to the first interface, as there was no need to + implement something else for the time being. If you need + it, see the SetInterface and GetInterface functions in + the USB specification, and adapt appropriately. */ + num = (num > 1) ? 1 : num; for (i = 0; i < num; i++) { int j; printf (" #%x has %x endpoints, interface %x:%x, protocol %x\n", current->bInterfaceNumber, current->bNumEndpoints, current->bInterfaceClass, current->bInterfaceSubClass, current->bInterfaceProtocol); |