usb: dwc3: gadget: skip Set/Clear Halt when invalid
commit ffb80fc6 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>
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