PTP_IO_CAP_CONFIG
val = lan743x_csr_read(adapter, PTP_IO_CAP_CONFIG);
lan743x_csr_write(adapter, PTP_IO_CAP_CONFIG, val);
val = lan743x_csr_read(adapter, PTP_IO_CAP_CONFIG);
lan743x_csr_write(adapter, PTP_IO_CAP_CONFIG, val);