[PATCH v2 4/4] usb: mtu3: set interval of FS intr and isoc endpoint

[Chunfeng Yun]

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>
---
v2: new patch
---
 drivers/usb/mtu3/mtu3_gadget.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c
index b6c8a4a99c4d..9977600616d7 100644
--- a/drivers/usb/mtu3/mtu3_gadget.c
+++ b/drivers/usb/mtu3/mtu3_gadget.c
@@ -92,6 +92,13 @@ static int mtu3_ep_enable(struct mtu3_ep *mep)
 			interval = clamp_val(interval, 1, 16);
 			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 */
-- 
2.18.0