-/*
- * Returns number of ms since last clock interrupt. Note that interrupts
- * will have been disabled by do_gettimeoffset()
- */
-static unsigned long versatile_gettimeoffset(void)
-{
- unsigned long ticks1, ticks2, status;
-
- /*
- * Get the current number of ticks. Note that there is a race
- * condition between us reading the timer and checking for
- * an interrupt. We get around this by ensuring that the
- * counter has not reloaded between our two reads.
- */
- ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff;
- do {
- ticks1 = ticks2;
- status = __raw_readl(VA_IC_BASE + VIC_RAW_STATUS);
- ticks2 = readl(TIMER0_VA_BASE + TIMER_VALUE) & 0xffff;
- } while (ticks2 > ticks1);
-
- /*
- * Number of ticks since last interrupt.
- */
- ticks1 = TIMER_RELOAD - ticks2;
-
- /*
- * Interrupt pending? If so, we've reloaded once already.
- *
- * FIXME: Need to check this is effectively timer 0 that expires
- */
- if (status & IRQMASK_TIMERINT0_1)
- ticks1 += TIMER_RELOAD;
-
- /*
- * Convert the ticks to usecs
- */
- return TICKS2USECS(ticks1);
-}
-