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From: Jan Kiszka <jan.kiszka@domain.hid>
To: Anisha Kaul <anisha.kaul@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] unable to open serial port from a kernel module
Date: Wed, 11 Nov 2009 10:19:19 +0100	[thread overview]
Message-ID: <4AFA8197.7070005@domain.hid> (raw)
In-Reply-To: <200911111422.11402.anisha.kaul@domain.hid>

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

-- 
Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux


  reply	other threads:[~2009-11-11  9:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-11  8:52 [Xenomai-help] unable to open serial port from a kernel module Anisha Kaul
2009-11-11  9:19 ` Jan Kiszka [this message]
2009-11-11 13:19   ` Anisha Kaul
2009-11-11 14:02   ` Anisha Kaul
2009-11-11 14:30     ` Stefan Kisdaroczi

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