On Sun, Sep 5, 2010 at 9:25 AM, Tapas Mishra <mightydreams@xxxxxxxxx> wrote:
>
> loopbit = loops_per_jiffy;
> /* Gradually work on the lower-order bits */
> while (lps_precision-- && (loopbit >>= 1)) {
> loops_per_jiffy |= loopbit;
How is loops_per_jiffy |= loopbit;
OR operation above and
> ticks = jiffies;
> while (ticks == jiffies); /* Wait until the start
> of the next jiffy */
> ticks = jiffies;
> /* Delay */
> __delay(loops_per_jiffy);
>
> if (jiffies != ticks)
> /* longer than 1 tick */
> loops_per_jiffy &= ~loopbit;
AND with Inverse
loops_per_jiffy &= ~loopbit;
help to achieve the desired result.
> }
>
>
--
Tapas
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