From: Ralf Baechle <ralf@oss.sgi.com>
To: Jun Sun <jsun@mvista.com>
Cc: linux-mips@oss.sgi.com
Subject: Re: RFC: run-time defining serial ports
Date: Fri, 13 Jul 2001 13:43:25 +0200 [thread overview]
Message-ID: <20010713134324.D1378@bacchus.dhis.org> (raw)
In-Reply-To: <3B4E45D9.8DBE84E7@mvista.com>; from jsun@mvista.com on Thu, Jul 12, 2001 at 05:50:33PM -0700
On Thu, Jul 12, 2001 at 05:50:33PM -0700, Jun Sun wrote:
> As more and more boards are added to Linux-mips tree, many places are getting
> crowdier and uglier, including serial.h. The same thing is true for PPC and
> other architectures.
>
> It turns out an easy solution is to let every board sets the serial port
> definitions at run-time through calling early_serial_setup() routine.
>
> An easy fix for now is to give a default table size when no serial definition
> is given, which at least reserves some slots in the rs_table array. See the
> patch below.
>
> A better solution is probably to provide a config option to define the serial
> table size.
It's needed; I have machines here with upto 11 serial interfaces on a lowly
R4700 box; Origins may have _many_ more.
> A by-product of this arrangement is that you can configure a kernel for
> multiple machines.
>
> What do you think?
Ralf
next prev parent reply other threads:[~2001-07-13 13:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-13 0:50 RFC: run-time defining serial ports Jun Sun
2001-07-13 11:43 ` Ralf Baechle [this message]
2001-07-13 14:20 ` Marc Karasek
2001-07-13 14:48 ` Gleb O. Raiko
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