From: Philippe Gerum <rpm@xenomai.org>
To: alex alex <duch.alexandre@gmail.com>
Cc: Xenomai <xenomai@xenomai.org>
Subject: Re: [Xenomai] RTDM - Dynamic linking of device
Date: Wed, 19 Dec 2012 11:07:52 +0100 [thread overview]
Message-ID: <50D191F8.4090300@xenomai.org> (raw)
In-Reply-To: <CAPpP=rOF5ghUQb6Z5Se-C_rPpX-BWxCYx4bYzF3SCJj57rPFWA@mail.gmail.com>
On 12/19/2012 10:39 AM, alex alex wrote:
> Infact I thought "rtdm_dev_register" worked exclusively in the _init
> function as indicated by the documentation. Following your advice I have
> tested "rtdm_dev_register" in another function of my RTDM driver (ioctl)
> and it works well.
>
> I think you might change the doc of rtdm_dev_register to :
>
> This service can be called from:
>
> - Kernel module initialization/cleanup code
> - Kernel-based task
>
> Same for rtdm_dev_unregister
>
Nope. Kernel-based task in the context of Xenomai means a primary mode
context over a lightweight Xenomai task, which is not what you want.
Kernel module init/cleanup code implies secondary mode, this is the gist
of the matter. This may be made clearer in the doc though.
> Alex.
> 2012/12/18 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
>
>> On 12/18/2012 03:38 PM, alex alex wrote:
>>
>>> Thanks for your answer, I have corrected the example program.
>>>
>>> What I would like to do is add x devices after that the module be loaded
>>> and without naming these devices statically in the module, so am I forced
>>> to call x times rtdm_dev_register with x declarations of the rtdm_device
>>> structure in test.c?
>>> If there is an other way, please tell me what it is.
>>>
>>
>> What about creating a first static device with an ioctl allowing to create
>> other devices?
>>
>> --
>> Gilles.
>>
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--
Philippe.
prev parent reply other threads:[~2012-12-19 10:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-13 9:21 [Xenomai] RTDM - Dynamic linking of device alex alex
2012-12-15 11:57 ` Gilles Chanteperdrix
[not found] ` <CAPpP=rPn8k2LTwrYQ_XkKE4vaiazfREnfCJEE5nbY0iD7Apofw@mail.gmail.com>
2012-12-16 2:43 ` Gilles Chanteperdrix
[not found] ` <CAPpP=rMyDyfzLr=85+=KF-kMn1mYkGmd=ykRj71d40+35BOzdg@mail.gmail.com>
[not found] ` <50CF00C4.7030701@xenomai.org>
[not found] ` <CAPpP=rPhXs54eQMX_2L2an-t86LBc0ChTbkbTOTbUzTbDpunCg@mail.gmail.com>
2012-12-18 16:29 ` Gilles Chanteperdrix
2012-12-19 9:39 ` alex alex
2012-12-19 10:07 ` Philippe Gerum [this message]
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