[PATCH] [POWERPC] 8xx: timebase frequency should not depend on bus-frequency
Scott Wood
scottwood at freescale.com
Fri Feb 22 06:48:23 EST 2008
Anton Vorontsov wrote:
> diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c
> index 184f998..0d9f75c 100644
> --- a/arch/powerpc/platforms/8xx/m8xx_setup.c
> +++ b/arch/powerpc/platforms/8xx/m8xx_setup.c
> @@ -111,17 +111,12 @@ void __init mpc8xx_calibrate_decr(void)
>
> /* Processor frequency is MHz.
> */
> - ppc_tb_freq = 50000000;
> - if (!get_freq("bus-frequency", &ppc_tb_freq)) {
> - printk(KERN_ERR "WARNING: Estimating decrementer frequency "
> - "(not found)\n");
> - }
> - ppc_tb_freq /= 16;
> ppc_proc_freq = 50000000;
> if (!get_freq("clock-frequency", &ppc_proc_freq))
> printk(KERN_ERR "WARNING: Estimating processor frequency "
> "(not found)\n");
>
> + ppc_tb_freq = ppc_proc_freq / 16;
Shouldn't we just use the timebase-frequency property?
-Scott
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