[PATCH 8/8] OMAP2+: clockevent: late-init GPTIMER clockevent hwmod right before timer init

DebBarma, Tarun Kanti tarun.kanti at ti.com
Wed Feb 23 04:13:30 EST 2011


> -----Original Message-----
> From: linux-omap-owner at vger.kernel.org [mailto:linux-omap-
> owner at vger.kernel.org] On Behalf Of Paul Walmsley
> Sent: Wednesday, February 23, 2011 12:42 PM
> To: linux-omap at vger.kernel.org; linux-arm-kernel at lists.infradead.org
> Cc: Tony Lindgren; Hilman, Kevin; Shilimkar, Santosh; Cousson, Benoit
> Subject: [PATCH 8/8] OMAP2+: clockevent: late-init GPTIMER clockevent
> hwmod right before timer init
I am not able to apply this patch.
Patch 1-7 applied successfully on top of:
04aa67d  Merge branch 'for-tony' of git://gitorious.org/usb/usb into omap-for-linus

--
Tarun
> 
> Late-initialize the GPTIMER hwmod used for the clockevent source
> immediately
> before it is used.  This avoids the need to late-initialize all of the
> hwmods
> until the boot process is further along.  (In general, we want to defer
> as much as possible until late in the boot process.)
> 
> Signed-off-by: Paul Walmsley <paul at pwsan.com>
> Cc: Benoît Cousson <b-cousson at ti.com>
> Cc: Tony Lindgren <tony at atomide.com>
> Cc: Kevin Hilman <khilman at ti.com>
> Cc: Santosh Shilimkar <santosh.shilimkar at ti.com>
> ---
>  arch/arm/mach-omap2/timer-gp.c |    8 +++++++-
>  1 files changed, 7 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-
> gp.c
> index 0fc550e..a4e51a2 100644
> --- a/arch/arm/mach-omap2/timer-gp.c
> +++ b/arch/arm/mach-omap2/timer-gp.c
> @@ -40,10 +40,11 @@
>  #include <plat/dmtimer.h>
>  #include <asm/localtimer.h>
>  #include <asm/sched_clock.h>
> +#include <plat/common.h>
> 
>  #include "timer-gp.h"
> +#include <plat/omap_hwmod.h>
> 
> -#include <plat/common.h>
> 
>  /* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
>  #define MAX_GPTIMER_ID		12
> @@ -133,9 +134,13 @@ static void __init omap2_gp_clockevent_init(void)
>  {
>  	u32 tick_rate;
>  	int src;
> +	const char *clockevent_hwmod_name;
> 
>  	inited = 1;
> 
> +	clockevent_hwmod_name = (gptimer_id == 12) ? "timer12" : "timer1";
> +	omap_hwmod_late_init_one(clockevent_hwmod_name);
> +
>  	gptimer = omap_dm_timer_request_specific(gptimer_id);
>  	BUG_ON(gptimer == NULL);
>  	gptimer_wakeup = gptimer;
> @@ -250,6 +255,7 @@ static void __init omap2_gp_timer_init(void)
>  		BUG_ON(!twd_base);
>  	}
>  #endif
> +
>  	omap_dm_timer_init();
> 
>  	omap2_gp_clockevent_init();
> 
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-omap" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html



More information about the linux-arm-kernel mailing list