118 usec_to_timer_count(uint32_t usec)
123     result = (AT91_SCLK * usec) / 1000000;
125     if ((result * 1000000) != (usec * AT91_SCLK))
271 static void udelay(unsigned int usec);
297 static void udelay(unsigned int usec)  in udelay()  argument
304     if (usec > 0) {  in udelay()
332 	  if (usec <= diff)  in udelay()
336 	  usec -= diff;  in udelay()
352 delay(unsigned int usec)  in delay()  argument
363     if (usec >= sc->sc_usec_per_tick) {  in delay()
365         unsigned int ticks = (usec + sc->sc_usec_per_tick - 1) / sc->sc_usec_per_tick;  in delay()
371         udelay(usec);  in delay()