Date: Mon, 2 Jun 2003 18:51:18 +0100
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+
Message-ID: <20030602185118.B776@flint.arm.linux.org.uk>
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	'Ruud Linders' <rkmp@xs4all.nl>, linux-kernel@vger.kernel.org
References: <3ED9E025.1060801@xs4all.nl> <015a01c3283c$11642370$2101a8c0@witbe>
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In-Reply-To: <015a01c3283c$11642370$2101a8c0@witbe>; from rol@as2917.net on Sun, Jun 01, 2003 at 02:48:14PM +0200
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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

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