From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Wed, 11 Nov 2009 10:19:19 +0100
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: Re: [Xenomai-help] unable to open serial port from a kernel module
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To: Anisha Kaul <anisha.kaul@domain.hid>
Cc: xenomai@xenomai.org

Anisha Kaul wrote:
> hi,
> 
> when i use rt_dev_open ("/dev/ttyS0", 0); from the function init_module () of 
> a self written kernel module, it returns -19 ! What must be the reason, can't 
> a file be opened from a kernel module ?

Please read documentation and examples more carefully: "rtdev0" is the
answer.

Jan

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