Re: [PATCH] clocksource/cadence_ttc: Reuse clocksource as sched_clock
From: SÃren Brinkmann
Date: Fri Jul 05 2013 - 16:13:42 EST
On Thu, Jul 04, 2013 at 06:30:26AM +0300, Baruch Siach wrote:
>
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@xxxxxxxxxx>
>
> ---
>
>
[...]
>
>
> 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.
Is that change going into Linus' tree during the 3.11 merge window? The
tip tree is missing some changes to the TTC which went in through the
armsoc tree.
SÃren
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