RT2661_INT_SOURCE_CSR
r1 = RT2661_READ(sc, RT2661_INT_SOURCE_CSR);
RT2661_WRITE(sc, RT2661_INT_SOURCE_CSR, r1);
RT2661_WRITE(sc, RT2661_INT_SOURCE_CSR, 0xffffffff);
RT2661_WRITE(sc, RT2661_INT_SOURCE_CSR, 0xffffffff);