Subject: [PATCH 11/15] ARM: OMAP: timer: Interchange clksrc and clkevt for AM33XX

From: [email-masked] (Santosh Shilimkar)
Date: Sat, 3 Nov 2012 22:01:46 +0530

On Friday 02 November 2012 06:02 PM, Vaibhav Bedia wrote:
> AM33XX has only one usable timer in the WKUP domain.
> Currently the timer instance in WKUP domain is used
> as the clockevent and the timer in non-WKUP domain
> as the clocksource. The timer in WKUP domain can keep
> running in suspend from a 32K clock and hence serve
> as the persistent clock. To enable this, interchange
> the timers used as clocksource and clockevent for
> AM33XX. A subsequent patch will add suspend-resume
> support for the clockevent to ensure that there are
> no issues with timekeeping.
>
> Signed-off-by: Vaibhav Bedia <[email-masked]>
> ---
>   arch/arm/mach-omap2/timer.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
> index 565e575..6584ee0 100644
> --- a/arch/arm/mach-omap2/timer.c
> +++ b/arch/arm/mach-omap2/timer.c
> @@ -460,7 +460,7 @@ OMAP_SYS_TIMER(3_secure)
>   #endif
>
>   #ifdef CONFIG_SOC_AM33XX
> -OMAP_SYS_TIMER_INIT(3_am33xx, 1, OMAP4_MPU_SOURCE, 2, OMAP4_MPU_SOURCE)
> +OMAP_SYS_TIMER_INIT(3_am33xx, 2, OMAP4_MPU_SOURCE, 1, OMAP4_MPU_SOURCE)
>   OMAP_SYS_TIMER(3_am33xx)
>   #endif
>
As mentioned on other patch comment, I think this might break your
SOC idle.

Regards
Santosh