[PATCH 2/2] ARM: OMAP4: Add local timer support for Device Tree

Shilimkar, Santosh santosh.shilimkar at ti.com
Mon Jul 9 09:25:14 EDT 2012


On Mon, Jul 9, 2012 at 6:45 PM, Tony Lindgren <tony at atomide.com> wrote:
> * Santosh Shilimkar <santosh.shilimkar at ti.com> [120709 06:16]:
>> Add cortex-a9 local timer  support for all OMAP4 based
>> SOCs using DT.
> ...
>
>> --- a/arch/arm/mach-omap2/timer.c
>> +++ b/arch/arm/mach-omap2/timer.c
>> @@ -36,6 +36,7 @@
>>  #include <linux/clocksource.h>
>>  #include <linux/clockchips.h>
>>  #include <linux/slab.h>
>> +#include <linux/of.h>
>>
>>  #include <asm/mach/time.h>
>>  #include <plat/dmtimer.h>
>> @@ -384,9 +385,13 @@ static void __init omap4_timer_init(void)
>>       if (omap_rev() != OMAP4430_REV_ES1_0) {
>>               int err;
>>
>> -             err = twd_local_timer_register(&twd_local_timer);
>> -             if (err)
>> -                     pr_err("twd_local_timer_register failed %d\n", err);
>> +             if (of_have_populated_dt()) {
>> +                     twd_local_timer_of_register();
>> +             } else {
>> +                     err = twd_local_timer_register(&twd_local_timer);
>> +                     if (err)
>> +                             pr_err("twd_local_timer_register failed %d\n", err);
>> +             }
>>       }
>>  #endif
>>  }
>
> How about just return after twd_local_timer_of_register() instead?
> That avoids nesting the code further.
>
Yep. Make sense. Will consider that in next version.

Regards
Santosh



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