A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-13 08:07:32 -04:00
Code Issues Projects Releases Packages Wiki Activity

usb: dwc3: Don't queue the request if gadget is in suspended state

Browse source 
Do not queue the request when gadget is in suspended state
as usb controller cannot process the request queued.

Change-Id: Id83b8461f208c6fc72b27105233e453dd8697528
Signed-off-by: Rohith Kollalsi <rkollals@codeaurora.org>
This commit is contained in:
Rohith Kollalsi 2020-09-14 11:52:57 +05:30
commit 7e2497c8e0
1 changed files with 11 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

11
drivers/usb/dwc3/gadget.c
View file

@ -1616,6 +1616,14 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
return __dwc3_gadget_kick_transfer(dep);
}
static bool dwc3_gadget_is_suspended(struct dwc3 *dwc)
{
if (atomic_read(&dwc->in_lpm) ||
dwc->link_state == DWC3_LINK_STATE_U3)
return true;
return false;
}
static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request,
gfp_t gfp_flags)
{
@ -1627,6 +1635,9 @@ static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request,
int ret;
if (dwc3_gadget_is_suspended(dwc))
return -EAGAIN;
spin_lock_irqsave(&dwc->lock, flags);
ret = __dwc3_gadget_ep_queue(dep, req);
spin_unlock_irqrestore(&dwc->lock, flags);