linux-kernel - Re: commit 7e92b4fc34 - x86, serial: convert legacy COM ports to platform devices

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Message-ID: <20070725183434.7902c953@the-village.bc.nu>
Date:	Wed, 25 Jul 2007 18:34:34 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Bjorn Helgaas <bjorn.helgaas@...com>,
	Andi Kleen <andi@...stfloor.org>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Sébastien Dugué 
	<sebastien.dugue@...l.net>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: commit 7e92b4fc34 - x86, serial: convert legacy COM ports to
 platform devices - broke my serial console

On Wed, 25 Jul 2007 12:47:14 -0400
Jeff Garzik <jeff@...zik.org> wrote:

> Bjorn Helgaas wrote:
> > The IR driver would be the clear owner of the entire device.  Of course,
> > this still only works if we get rid of the 8250 blind probe for 0x3e8
> > or figure out some API for the IR driver to tell the 8250 driver to get
> > its mitts off.
> 
> 
> Load driver B before loading driver A.

Completely impractical. Devices may be hotplug, there may be combinations
of ordering required and since you have to build serial in for serial
console its a total non starter


Alan
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