Browse Source

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>
John Youn 9 years ago
parent
commit
138b8638bb
1 changed files with 2 additions and 0 deletions
  1. 2 0
      drivers/usb/gadget/composite.c

+ 2 - 0
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);