linux-kernel - Re: [PATCH] clocksource/cadence_ttc: Reuse clocksource as sched

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Message-ID: <20130704033026.GX4288@tarshish>
Date:	Thu, 4 Jul 2013 06:30:26 +0300
From:	Baruch Siach <baruch@...s.co.il>
To:	Soren Brinkmann <soren.brinkmann@...inx.com>
Cc:	John Stultz <john.stultz@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Michal Simek <michal.simek@...inx.com>
Subject: Re: [PATCH] clocksource/cadence_ttc: Reuse clocksource as sched_clock

Hi Soren,

On Wed, Jul 03, 2013 at 02:50:16PM -0700, Soren Brinkmann wrote:
> Reuse the TTC clocksource timer as sched clock, too. Since only a single
> sched clock is supported in Linux, this feature optional and can be
> selected through Kconfig.
> 
> Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com>
> ---

[...]

> diff --git a/drivers/clocksource/cadence_ttc_timer.c 
> b/drivers/clocksource/cadence_ttc_timer.c
> index 4cbe28c..ef0f52b 100644
> --- a/drivers/clocksource/cadence_ttc_timer.c
> +++ b/drivers/clocksource/cadence_ttc_timer.c
> @@ -22,6 +22,7 @@
>  #include <linux/of_irq.h>
>  #include <linux/slab.h>
>  #include <linux/clk-provider.h>
> +#include <asm/sched_clock.h>

This has changed to linux/sched_clock.h in the tip tree. See 
https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?h=timers/core&id=38ff87f77af0b5a93fc8581cff1d6e5692ab8970.

baruch

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