linux-kernel - Re: [patch 3/3] xtensa: ccount clocksource

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Date:	Tue, 03 Mar 2009 09:55:45 -0800
From:	Daniel Walker <dwalker@...o99.com>
To:	Johannes Weiner <jw@...ix.com>
Cc:	Chris Zankel <chris@...kel.net>, linux-kernel@...r.kernel.org,
	Johannes Weiner <hannes@...xchg.org>
Subject: Re: [patch 3/3] xtensa: ccount clocksource

On Tue, 2009-03-03 at 16:30 +0100, Johannes Weiner wrote:
> @ -29,6 +30,19 @@ unsigned long ccount_per_jiffy;              /* per 
>  unsigned long nsec_per_ccount;         /* nsec per ccount increment
> */
>  #endif
>  
> +static cycle_t ccount_read(void)
> +{
> +       return (cycle_t)get_ccount();
> +}
> +
> +static struct clocksource ccount_clocksource = {
> +       .name = "ccount",
> +       .rating = 200,
> +       .read = ccount_read,
> +       .mask = CLOCKSOURCE_MASK(32),
> +       .mult = NSEC_PER_CCOUNT,
> +};

You don't want to use the shift field?

Daniel

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