commit
ffb80fc672c3a7b6afd0cefcb1524fb99917b2f3 upstream.
At least macOS seems to be sending
ClearFeature(ENDPOINT_HALT) to endpoints which
aren't Halted. This makes DWC3's CLEARSTALL command
time out which causes several issues for the driver.
Instead, let's just return 0 and bail out early.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
memset(¶ms, 0x00, sizeof(params));
if (value) {
+ if (dep->flags & DWC3_EP_STALL)
+ return 0;
+
if (dep->number == 0 || dep->number == 1) {
/*
* Whenever EP0 is stalled, we will restart
else
dep->flags |= DWC3_EP_STALL;
} else {
+ if (!(dep->flags & DWC3_EP_STALL))
+ return 0;
+
ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
DWC3_DEPCMD_CLEARSTALL, ¶ms);
if (ret)