usb: dwc3: gadget: skip Set/Clear Halt when invalid
authorFelipe Balbi <felipe.balbi@linux.intel.com>
Thu, 19 Jan 2017 11:38:42 +0000 (13:38 +0200)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Tue, 24 Jan 2017 09:04:16 +0000 (11:04 +0200)
commitffb80fc672c3a7b6afd0cefcb1524fb99917b2f3
tree7567dacd57035d81ea5a2ac68739bec608f8f18f
parent538967983b883a6059292a9f4f096357302ce1e5
usb: dwc3: gadget: skip Set/Clear Halt when invalid

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.

Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
drivers/usb/dwc3/gadget.c