Subject: [PATCH 1/5] ARM: OMAP2+: Display correct system timer name

From: [email-masked] (Jon Hunter)
Date: Fri, 1 Feb 2013 04:34:27 -0600

On 02/01/2013 03:31 AM, Bedia, Vaibhav wrote:
> On Fri, Feb 01, 2013 at 14:23:43, Hunter, Jon wrote:
> [...]
>>>>  
>>>> +/* Timer name needs to be big enough to store a string of "timerXX" */
>>>> +static char timer_name[10];
>>>> +
>>>
>>> Why not move this inside omap_dm_timer_init_one()?
>>
>> In the non-DT case, the name member of the clocksource/event struct will
>> point to this array and so it needs to reside in memory permanently and
>> not just temporary. Once we migrate completely to DT then we will be
>> able to remove this completely. See following snippet ...
>>
>> -		sprintf(name, "timer%d", gptimer_id);
>> -		oh_name = name;
>> +		sprintf(timer_name, "timer%d", gptimer_id);
>> +		*name = timer_name;
> 
> Ok. But in case of non-DT boot if someone selects gptimers for both clkevt and
> clksrc, both the name members will end up pointing to the same memory location.
> To be specific, in the current code the clkevt timer name will point to the clksrc
> name. This won't be noticeable during boot since the clkevt name gets printed
> before it is over-written.

Yes you are right! Good catch. Will fix that.

Cheers
Jon