usb: chipidea: udc: refine ep operation at isr_tr_complete_handler
- delete the warning message at interrupt handler, and adds judgement at
ep_enable, if non-ep0 requests ctrl transfer, it will indicate an error.
- delete hw_test_and_clear_setup_status which is a broken code
- Tested with g_mass_storage, g_ncm, g_ether
Cc: matthieu.castet@parrot.com Reported-by: Michael Grzeschik <mgr@pengutronix.de> Acked-by: Michael Grzeschik <mgr@pengutronix.de> Tested-by: Michael Grzeschik <mgr@pengutronix.de> Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>