BCM4378_CALIBRATION_CHUNK_SIZE
DIV_ROUND_UP(data_size, (size_t)BCM4378_CALIBRATION_CHUNK_SIZE);
min_t(size_t, left, BCM4378_CALIBRATION_CHUNK_SIZE);
bcm4377, data + i * BCM4378_CALIBRATION_CHUNK_SIZE,
u8 data[BCM4378_CALIBRATION_CHUNK_SIZE];