usb: dwc3: gadget: Support up to max stream id

DWC3 IPs can use the maximum stream id (up to 2^16) specified by the
USB 3.x specs. Don't limit to stream id 2^15 only. Note that this does
not reflect the number of concurrent streams the controller handles
internally.

Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index da1f2ad2ad90b560d196155e1dc6e8e4780a1bac..78cb4db8a6e45d483763f76faa875c6ac50ed5f5 100644 (file)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2527,7 +2527,7 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
 
        usb_ep_set_maxpacket_limit(&dep->endpoint, size);
 
-       dep->endpoint.max_streams = 15;
+       dep->endpoint.max_streams = 16;
        dep->endpoint.ops = &dwc3_gadget_ep_ops;
        list_add_tail(&dep->endpoint.ep_list,
                        &dwc->gadget->ep_list);
@@ -2576,7 +2576,7 @@ static int dwc3_gadget_init_out_endpoint(struct dwc3_ep *dep)
                size /= 3;
 
        usb_ep_set_maxpacket_limit(&dep->endpoint, size);
-       dep->endpoint.max_streams = 15;
+       dep->endpoint.max_streams = 16;
        dep->endpoint.ops = &dwc3_gadget_ep_ops;
        list_add_tail(&dep->endpoint.ep_list,
                        &dwc->gadget->ep_list);