result = request_irq(telclk_interrupt, &tlclk_interrupt,
SA_INTERRUPT, "telco_clock", tlclk_interrupt);
if (result == -EBUSY) {
result = request_irq(telclk_interrupt, &tlclk_interrupt,
SA_INTERRUPT, "telco_clock", tlclk_interrupt);
if (result == -EBUSY) {