From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Rahul Tank <rahul5311@yahoo.co.in>
Cc: Linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: serial port multiplexing
Date: Wed, 31 Aug 2005 11:10:48 +0100 [thread overview]
Message-ID: <20050831111048.E26480@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20050825122045.57008.qmail@web8401.mail.in.yahoo.com>; from rahul5311@yahoo.co.in on Thu, Aug 25, 2005 at 01:20:45PM +0100
On Thu, Aug 25, 2005 at 01:20:45PM +0100, Rahul Tank wrote:
> I am a newbee tryinging for serial port
> multiplexing. Currently my driver supports for one
> port
> (/dev/ttyS0). However i want to use the same physical
> port for 2 virtual ports.I am NOT sending two type of
> data simultaneously. I want to first reigister my
> driver for /dev/ttyS0. When the kernel has booted ,i
> want to disable it. Then i want to enable the driver
> to register for say /dev/ttyS1.
> in short i don't want the console to have controle
> over the serial port.
Try setting the kernel message level to zero after boot. That
will prevent the kernel from displaying any further messages to
that serial port, except when a serious problem (eg, oops) occurs.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2005-08-31 10:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-25 12:20 serial port multiplexing Rahul Tank
2005-08-31 10:10 ` Russell King [this message]
2005-08-31 10:16 ` Jan-Benedict Glaw
2005-08-31 10:19 ` Russell King
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