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Date: Fri, 28 Sep 2012 12:17:34 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] Error requesting IRQ on DM3730 (BeagleBoard xM)
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To: Andrey Nechypurenko <andreynech@googlemail.com>
Cc: xenomai@xenomai.org

On 09/28/2012 10:52 AM, Andrey Nechypurenko wrote:
>>> Is it also "safe" to use kernel GPIO API to toggle GPIO from RT
>>> context such as timer handler? With safe I mean if it can influence
>>> real-time performance in some negative way?
>>
>> Yes, it is supposed to be possible.
> 
> Here I hope you meant possible and safe to use and not that it can
> possibly influence the real-time performance? Right?

See:
http://www.xenomai.org/index.php/I-pipe-core:ArmPorting#GPIOs

-- 
					    Gilles.