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Lines Matching refs:usec

116 /* it will be used when usec < USEC_PER_TICK              */
118 usec_to_timer_count(uint32_t usec)
122     /* convert specified number of usec to timer ticks, and round up */
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)
304     if (usec > 0) {
332 	  if (usec <= diff)
336 	  usec -= diff;
352 delay(unsigned int usec)
363     if (usec >= sc->sc_usec_per_tick) {
365         unsigned int ticks = (usec + sc->sc_usec_per_tick - 1) / sc->sc_usec_per_tick;
370         /* less than 1 tick; can do as usec */
371         udelay(usec);