From: Stefan Kisdaroczi <kisda@domain.hid>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai-help] 16550A driver and 2-port pci board, irq sharing
Date: Mon, 03 Jan 2011 17:55:19 +0100 [thread overview]
Message-ID: <4D21FF77.5000101@domain.hid> (raw)
In-Reply-To: <4D21E45B.90003@domain.hid>
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On 03.01.2011 15:59, Stefan Kisdaroczi wrote:
> Hi Jan,
>
> I try to add support for the Moxa CP132 RS422 dualport pci board to the
> 16550A driver. In the function rt_16550_open() the call to
> rtdm_irq_request() fails with EBUSY (-16) for the second port.
>
> Looking at the source the driver seems to be able to handle multiple
> serial ports with the same (shared) IRQ. Any hints ?
>
enabling CONFIG_XENO_OPT_SHIRQ did help ... sorry
Stefan
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prev parent reply other threads:[~2011-01-03 16:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-03 14:59 [Xenomai-help] 16550A driver and 2-port pci board, irq sharing Stefan Kisdaroczi
2011-01-03 16:55 ` Stefan Kisdaroczi [this message]
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