[PATCH 2/2] 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 --- common/usb_hub.c | 7 +++++++ 1 file changed, 7 insertions(+)

diff --git a/common/usb_hub.c b/common/usb_hub.c index ba11a188ca64..858ada0f73be 100644 --- a/common/usb_hub.c +++ b/common/usb_hub.c @@ -391,6 +391,13 @@ int usb_hub_port_connect_change(struct usb_device *dev, int port) 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;