linux-kernel - Re: Revert "serial: 8250: Make SERIAL_8250_RUNTIME

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Date:	Mon, 3 Jun 2013 09:55:31 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Kyle McMartin <kyle@...radead.org>
Cc:	linux-kernel@...r.kernel.org, karthik.manamcheri@...il.com,
	torvalds@...uxfoundation.org
Subject: Re: Revert "serial: 8250: Make SERIAL_8250_RUNTIME_UARTS work
 correctly"

On Mon, Jun 03, 2013 at 09:38:26AM -0400, Kyle McMartin wrote:
> This reverts commit cfcec52e9781f08948c6eb98198d65c45be75a70.
> 
> This regresses a longstanding behaviour on X86 systems, which end up with
> PCI serial ports moving between ttyS4 and ttyS0 when you bisect to opposite
> sides of this commit, resulting in the need to constantly modify the console
> setting in order to bisect across it.
> 
> Please revert, we can work on solving this for ARM platforms in a less
> disruptive way.

Ugh, how did this break x86 systems?  Karthik, you said this wouldn't
affect anyone else, what did you test it on?

> Signed-off-by: Kyle McMartin <kyle@...artin.ca>

I'll go queue this up for the next -rc release, thanks Kyle.

greg k-h
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