From: "Paul Rolland" <rol@as2917.net>
To: "'Ruud Linders'" <rkmp@xs4all.nl>, <linux-kernel@vger.kernel.org>
Subject: Re: Serial port numbering (ttyS..) wrong for 2.5.61+
Date: Sun, 1 Jun 2003 14:48:14 +0200 [thread overview]
Message-ID: <015a01c3283c$11642370$2101a8c0@witbe> (raw)
In-Reply-To: <3ED9E025.1060801@xs4all.nl>
Hello,
> Since I tried the 2.5 kernel versions somewhere in the 2.5.6x range, I
> see rather odd port naming for the extra 4 serial ports on a PCI-card.
Which driver are you using ?
> The first two are numered as ttyS14, ttyS15 while the last two are
> ttyS2 and ttyS3 !
> I tried to find where these numbers are coming from but
> couldn't really
> find an obvious place in the various drivers/char/* or
> drivers/serial/*
> files.
Numbering seems to be coming out of
drivers/serial/core.c : uart_find_match_or_unused
which is responsible for finding an unused state for the port.
However, the code there seems to be clean and I guess we should look
where the state are initialized.
Paul
next prev parent reply other threads:[~2003-06-01 12:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-01 11:14 Serial port numbering (ttyS..) wrong for 2.5.61+ Ruud Linders
2003-06-01 12:48 ` Paul Rolland [this message]
2003-06-02 17:51 ` Russell King
2003-06-02 18:43 ` Paul Rolland
2003-06-03 16:58 ` Ruud Linders
-- strict thread matches above, loose matches on Subject: below --
2003-06-02 16:21 Ruud Linders
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