MUSB_RXCSR_RXPKTRDY
if (csr & MUSB_RXCSR_RXPKTRDY) {
if (csr & MUSB_RXCSR_RXPKTRDY) {
csr &= ~MUSB_RXCSR_RXPKTRDY;
csr &= ~MUSB_RXCSR_RXPKTRDY;
if ((csr & MUSB_RXCSR_RXPKTRDY) &&
| MUSB_RXCSR_RXPKTRDY);
if (unlikely(!(rx_csr & MUSB_RXCSR_RXPKTRDY))) {
csr |= MUSB_RXCSR_FLUSHFIFO | MUSB_RXCSR_RXPKTRDY;
csr &= ~(MUSB_RXCSR_RXPKTRDY | MUSB_RXCSR_H_REQPKT);
if (csr & MUSB_RXCSR_RXPKTRDY)
if (csr & (MUSB_RXCSR_RXPKTRDY
| MUSB_RXCSR_RXPKTRDY)
| MUSB_RXCSR_DATAERROR | MUSB_RXCSR_RXPKTRDY)