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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20050831111048.E26480@flint.arm.linux.org.uk \
--to=rmk+lkml@arm.linux.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=rahul5311@yahoo.co.in \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.