devm_tsa_serial_get_byphandle
qmc->tsa_serial = devm_tsa_serial_get_byphandle(qmc->dev, np, "fsl,tsa-serial");
EXPORT_SYMBOL(devm_tsa_serial_get_byphandle);
struct tsa_serial *devm_tsa_serial_get_byphandle(struct device *dev,