From: Stefan Kisdaroczi <kisda@domain.hid>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: [Xenomai-help] 16550A driver and 2-port pci board, irq sharing
Date: Mon, 03 Jan 2011 15:59:39 +0100 [thread overview]
Message-ID: <4D21E45B.90003@domain.hid> (raw)
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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 ?
Stefan
x86 32bit, xenomai-2.5.5, linux 2.6.32, ipipe 2.7-03,
examples/cross-link app
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next reply other threads:[~2011-01-03 14:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-03 14:59 Stefan Kisdaroczi [this message]
2011-01-03 16:55 ` [Xenomai-help] 16550A driver and 2-port pci board, irq sharing Stefan Kisdaroczi
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