usb: gadget: composite: Clear reserved fields of SSP Dev Cap

Set the reserved fields of the SuperSpeed Plus Device Capability
descriptor to 0. Otherwise there might be stale data there which will
cause USB CV to fail.

Fixes: f228a8de242a ("usb: gadget: composite: Return SSP Dev Cap descriptor")
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index de9ffd60fcfa84b59291e755edc4ca0fb9945f2f..524e233d48def51b3e957af120fea769cb54ead0 100644 (file)
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -651,6 +651,8 @@ static int bos_desc(struct usb_composite_dev *cdev)
                ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(1);
                ssp_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY;
                ssp_cap->bDevCapabilityType = USB_SSP_CAP_TYPE;
+               ssp_cap->bReserved = 0;
+               ssp_cap->wReserved = 0;
 
                /* SSAC = 1 (2 attributes) */
                ssp_cap->bmAttributes = cpu_to_le32(1);