ISR_SSD
| ISR_SSD | ISR_ALD | ISR_ITE | ISR_IRF \
rv &= (ISR_UB | ISR_SSD);
if (rv == ISR_SSD)
bus_space_write_4(iot, ioh, I2C_ISR, ISR_SSD);
isr & (ISR_BED|ISR_SAD|ISR_IRF|ISR_ITE|ISR_ALD|ISR_SSD));
} else if (isr & ISR_SSD) { /* Slave STOP Detected */