/* This function is used to register pmu rtc interrupt.  */
void tls_rtc_isr_register(tls_rtc_irq_callback callback, void *arg)
/* This function is used to register pmu rtc interrupt.  */
void tls_rtc_isr_register(tls_rtc_irq_callback callback, void *arg)
{
    rtc_context.callback = callback;
    rtc_context.arg      = arg;
    tls_irq_enable(PMU_IRQn);
    return;
}