usb: hub: Add missing reset recovery delay
Some devices like YubiKeys need more time before SET_ADDRESS. The spec
says we need to wait 10ms.
Signed-off-by: Hector Martin <marcan@marcan.st>
Reviewed-by: Marek Vasut <marex@denx.de>
diff --git a/common/usb_hub.c b/common/usb_hub.c
index 85c0822..70279f3 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -395,6 +395,13 @@
break;
}
+ /*
+ * USB 2.0 7.1.7.5: devices must be able to accept a SetAddress()
+ * request (refer to Section 11.24.2 and Section 9.4 respectively)
+ * after the reset recovery time 10 ms
+ */
+ mdelay(10);
+
#if CONFIG_IS_ENABLED(DM_USB)
struct udevice *child;