diff options
| -rw-r--r-- | payloads/libpayload/drivers/usb/generic_hub.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/usb/generic_hub.c b/payloads/libpayload/drivers/usb/generic_hub.c index 9f8670597e..9d444ee792 100644 --- a/payloads/libpayload/drivers/usb/generic_hub.c +++ b/payloads/libpayload/drivers/usb/generic_hub.c @@ -157,6 +157,15 @@ generic_hub_attach_dev(usbdev_t *const dev, const int port) if (hub->ops->reset_port) { if (hub->ops->reset_port(dev, port) < 0) return -1; + + if (!hub->ops->port_connected(dev, port)) { + usb_debug( + "generic_hub: Port %d disconnected after " + "reset. Possibly upgraded, rescan required.\n", + port); + return 0; + } + /* after reset the port will be enabled automatically */ const int ret = generic_hub_wait_for_port( /* time out after 1,000 * 10us = 10ms */ |