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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: f228a8de24 ("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>
hifive-unleashed-5.1
John Youn 2016-04-08 14:46:31 -07:00 committed by Felipe Balbi
parent c3b46c7326
commit 138b8638bb
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/gadget/composite.c
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@ -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);