From: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> commit 43f3b8cbcf93da7c2755af4a543280c31f4adf16 upstream. Add support to set interval also for FS intr and isoc endpoint. Fixes: 4d79e042ed8b ("usb: mtu3: add support for usb3.1 IP") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20211218095749.6250-4-chunfeng.yun@xxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/mtu3/mtu3_gadget.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/drivers/usb/mtu3/mtu3_gadget.c +++ b/drivers/usb/mtu3/mtu3_gadget.c @@ -98,6 +98,13 @@ static int mtu3_ep_enable(struct mtu3_ep mult = usb_endpoint_maxp_mult(desc) - 1; } break; + case USB_SPEED_FULL: + if (usb_endpoint_xfer_isoc(desc)) + interval = clamp_val(desc->bInterval, 1, 16); + else if (usb_endpoint_xfer_int(desc)) + interval = clamp_val(desc->bInterval, 1, 255); + + break; default: break; /*others are ignored */ }