Date: Wed, 7 Dec 2005 21:38:56 +0000
From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Xavier Bestel <xavier.bestel@free.fr>, Jason Dravet <dravet@hotmail.com>,
       linux-kernel@vger.kernel.org
Subject: Re: wrong number of serial port detected
Message-ID: <20051207213856.GN6793@flint.arm.linux.org.uk>
Mail-Followup-To: Xavier Bestel <xavier.bestel@free.fr>,
	Jason Dravet <dravet@hotmail.com>, linux-kernel@vger.kernel.org
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On Wed, Dec 07, 2005 at 09:31:28PM +0000, Russell King wrote:
> On Wed, Dec 07, 2005 at 10:28:05PM +0100, Xavier Bestel wrote:
> > Le mercredi 07 d?cembre 2005 ? 21:15 +0000, Russell King a ?crit :
> > 
> > > 4. User tries the well documented "setserial /dev/ttyS2 port 0x220 irq 5"
> > >    procedure, which has been supported since Linux 1.x
> > > 
> > > 5. User finds that, because there is no ttyS2 device in /dev, they
> > >    can't configure their card.
> > 
> > Well, instead of polluting everybody's /dev for the 3 users having such
> > cards, why not just tell the user to run
> > MAKEDEV /dev/ttyS2 ; setserial /dev/ttyS2 port 0x220 irq 5
> > instead ? (Or even mknod)
> 
> Oh sorry.  Mail me your root password and IP address, let me log in
> to your system, and I'll remove those device nodes right now.  Thanks
> for pointing that out.
> 
> Seriously, surely you aren't suggesting that I somehow have personal
> control over this?

Additionally, if you have a problem with this, the total number of
ports _is_ kernel configurable.

So if you're getting 32 ports from a distro targetted at the current
range of consumer hardware which commonly has maybe 1 or 2 and
possibly a modem card (iow probably max 4 ports), please take it up
with them.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
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