From: Russell King <rmk@arm.linux.org.uk>
To: Paul Rolland <rol@as2917.net>
Cc: "'Ruud Linders'" <rkmp@xs4all.nl>, linux-kernel@vger.kernel.org
Subject: Re: Serial port numbering (ttyS..) wrong for 2.5.61+
Date: Mon, 2 Jun 2003 18:51:18 +0100 [thread overview]
Message-ID: <20030602185118.B776@flint.arm.linux.org.uk> (raw)
In-Reply-To: <015a01c3283c$11642370$2101a8c0@witbe>; from rol@as2917.net on Sun, Jun 01, 2003 at 02:48:14PM +0200
On Sun, Jun 01, 2003 at 02:48:14PM +0200, Paul Rolland wrote:
> 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.
When we add a port to the system, we try to find in order:
- a port which matches the base address
- a port which is unallocated
Probably the easiest way to stop the "ttyS14" occuring would be to
clear the port information at boot when we don't find a port.
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
next prev parent reply other threads:[~2003-06-02 17:38 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
2003-06-02 17:51 ` Russell King [this message]
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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