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authorJohn Youn2016-04-08 14:46:31 -0700
committerFelipe Balbi2016-04-18 12:35:17 +0300
commit138b8638bb43d4b85eeaacde9be9c687cc7e5de7 (patch)
tree381e6d2e3227eb118d5e392bd0505baf2efd2dd1 /drivers/usb/gadget/composite.c
parentc3b46c73264b03000d1e18b22f5caf63332547c9 (diff)
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>
Diffstat (limited to 'drivers/usb/gadget/composite.c')
-rw-r--r--drivers/usb/gadget/composite.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index de9ffd60fcfa..524e233d48de 100644
--- 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);