[GIT PULL] iop clocksource support for 2.6.33

[Linus Walleij]

2009/11/20 Dan Williams <dan.j.williams at intel.com>:

(...)

> +static void __init iop_clocksource_set_hz(struct clocksource *cs, unsigned int hz)
> +{
> +       u64 temp;
> +       u32 shift;
> +
> +       /* Find shift and mult values for hz. */
> +       shift = 32;
> +       do {
> +               temp = (u64) NSEC_PER_SEC << shift;
> +               do_div(temp, hz);
> +               if ((temp >> 32) == 0)
> +                       break;
> +       } while (--shift != 0);
> +
> +       cs->shift = shift;
> +       cs->mult = (u32) temp;
> +
> +       printk(KERN_INFO "clocksource: %s uses shift %u mult %#x\n",
> +              cs->name, cs->shift, cs->mult);
> +}

(...)

> +static void __init iop_clockevent_set_hz(struct clock_event_device *ce, unsigned int hz)
> +{
> +       u64 temp;
> +       u32 shift;
> +
> +       /* Find shift and mult values for hz. */
> +       shift = 32;
> +       do {
> +               temp = (u64) hz << shift;
> +               do_div(temp, NSEC_PER_SEC);
> +               if ((temp >> 32) == 0)
> +                       break;
> +       } while (--shift != 0);
> +
> +       ce->shift = shift;
> +       ce->mult = (u32) temp;
> +
> +       printk(KERN_INFO "clockevent: %s uses shift %u mult %#lx\n",
> +              ce->name, ce->shift, ce->mult);
>  }

I only recently annoyed TGLX enough to have this generified from the MIPS
versions in a few recent patches visible in linux-next.

Not that it can't be fixed afterwards, so no blocker.

Yours,
Linus Walleij