MUSB_RXCSR_CLRDATATOG
csr = MUSB_RXCSR_FLUSHFIFO | MUSB_RXCSR_CLRDATATOG;
| MUSB_RXCSR_CLRDATATOG;
csr |= MUSB_RXCSR_CLRDATATOG |
| MUSB_RXCSR_CLRDATATOG
musb_h_flush_rxfifo(hw_ep, MUSB_RXCSR_CLRDATATOG);
musb_h_flush_rxfifo(hw_ep, MUSB_RXCSR_CLRDATATOG);
musb_h_flush_rxfifo(ep, MUSB_RXCSR_CLRDATATOG);