linux-kernel - Re: [PATCH] Documentation: devicetree: mct: Fix counter bit of CPU local timers

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Message-ID: <52DF81D4.9000008@linaro.org>
Date:	Wed, 22 Jan 2014 09:31:16 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Jingoo Han <jg1.han@...sung.com>
CC:	'Thomas Gleixner' <tglx@...utronix.de>,
	'Kukjin Kim' <kgene.kim@...sung.com>,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org,
	'Thomas Abraham' <thomas.abraham@...aro.org>,
	'Tomasz Figa' <t.figa@...sung.com>
Subject: Re: [PATCH] Documentation: devicetree: mct: Fix counter bit of CPU
 local timers

On 01/22/2014 09:08 AM, Jingoo Han wrote:
> On Tuesday, January 21, 2014 6:03 PM, Jingoo Han wrote:
>>
>> According to the datasheet of Exynos SoCs, the counter bit
>> of CPU local timers is 31-bit, not 32-bit; thus, it should
>> be fixed.
>
> Please, ignore this patch.
> There is a 31-bit counter in CPU local timers; however,
> FRC (free running down-counters) of CPU local timers is
> 32-bit. Thus, there is no need to fix it.
> Thank you.

Ok.

>>
>> Signed-off-by: Jingoo Han <jg1.han@...sung.com>
>> ---
>>   Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.txt |    2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.txt
>> b/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.txt
>> index 167d5da..8c77791 100644
>> --- a/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.txt
>> +++ b/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.txt
>> @@ -3,7 +3,7 @@ Samsung's Multi Core Timer (MCT)
>>   The Samsung's Multi Core Timer (MCT) module includes two main blocks, the
>>   global timer and CPU local timers. The global timer is a 64-bit free running
>>   up-counter and can generate 4 interrupts when the counter reaches one of the
>> -four preset counter values. The CPU local timers are 32-bit free running
>> +four preset counter values. The CPU local timers are 31-bit free running
>>   down-counters and generate an interrupt when the counter expires. There is
>>   one CPU local timer instantiated in MCT for every CPU in the system.
>>
>> --
>> 1.7.10.4
>
>


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