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-rw-r--r--drivers/usb/core/hub.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 71bf1c7635de..143454ea385b 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2681,8 +2681,15 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
if (ret < 0)
return ret;
- /* The port state is unknown until the reset completes. */
- if (!(portstatus & USB_PORT_STAT_RESET))
+ /*
+ * The port state is unknown until the reset completes.
+ *
+ * On top of that, some chips may require additional time
+ * to re-establish a connection after the reset is complete,
+ * so also wait for the connection to be re-established.
+ */
+ if (!(portstatus & USB_PORT_STAT_RESET) &&
+ (portstatus & USB_PORT_STAT_CONNECTION))
break;
/* switch to the long delay after two short delay failures */