[PATCH 17/40] ARM: nuc: update clock source registration

Wan ZongShun mcuos.com at gmail.com
Fri Dec 17 08:21:04 EST 2010


2010/12/17 Russell King - ARM Linux <linux at arm.linux.org.uk>:
> In d7e81c2 (clocksource: Add clocksource_register_hz/khz interface) new
> interfaces were added which simplify (and optimize) the selection of the
> divisor shift/mult constants.  Switch over to using this new interface.
>
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
> ---
>  arch/arm/mach-w90x900/time.c |    5 +----
>  1 files changed, 1 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/mach-w90x900/time.c b/arch/arm/mach-w90x900/time.c
> index b80f769..4b089cb 100644
> --- a/arch/arm/mach-w90x900/time.c
> +++ b/arch/arm/mach-w90x900/time.c
> @@ -153,7 +153,6 @@ static struct clocksource clocksource_nuc900 = {
>        .rating = 200,
>        .read   = nuc900_get_cycles,
>        .mask   = CLOCKSOURCE_MASK(TDR_SHIFT),
> -       .shift  = 10,
>        .flags  = CLOCK_SOURCE_IS_CONTINUOUS,
>  };
>
> @@ -176,9 +175,7 @@ static void __init nuc900_clocksource_init(void)
>        val |= (COUNTEN | PERIOD | PRESCALE);
>        __raw_writel(val, REG_TCSR1);
>
> -       clocksource_nuc900.mult =
> -               clocksource_khz2mult((rate / 1000), clocksource_nuc900.shift);
> -       clocksource_register(&clocksource_nuc900);
> +       clocksource_register_hz(&clocksource_nuc900, rate);
>  }
>
>  static void __init nuc900_timer_init(void)

Acked-by: Wan zongshun <mcuos.com at gmail.com>

> --
> 1.6.2.5
>
>



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