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-rw-r--r--payloads/libpayload/drivers/usb/generic_hub.c9
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 */