Message-ID: <3EDB797B.1050206@xs4all.nl>
Date: Mon, 02 Jun 2003 18:21:15 +0200
From: Ruud Linders <rkmp@xs4all.nl>
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To: "Paul Rolland" <rol@as2917.net>, linux-kernel@vger.kernel.org
Subject: Re: Serial port numbering (ttyS..) wrong for 2.5.61+
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 >>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 ?

See attached CONFIG_SERIAL* from my config, this is the 'standard'
serial port driver.

 >
 >> 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


==============================================================

# CONFIG_SERIAL_NONSTANDARD is not set

#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
# CONFIG_SERIAL_8250_DETECT_IRQ is not set
CONFIG_SERIAL_8250_MULTIPORT=y
# CONFIG_SERIAL_8250_RSA is not set

#
# Non-8250 serial port support
#
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y


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