korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-19 10:14:23 +08:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/gadget/composite.c
View File

@ -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);