From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752563Ab1HLV7Y (ORCPT ); Fri, 12 Aug 2011 17:59:24 -0400 Received: from mail-gw0-f46.google.com ([74.125.83.46]:33142 "EHLO mail-gw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752503Ab1HLV7X (ORCPT ); Fri, 12 Aug 2011 17:59:23 -0400 Date: Sat, 13 Aug 2011 05:59:04 +0800 (SGT) From: Jeff Chua X-X-Sender: root@boston.corp.fedex.com To: Bjorn Helgaas cc: Andrey Panin , lkml , Matthew Garrett , Linus Torvalds Subject: Re: How to access serial port that is set in BIOS as OS Controlled Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 13, 2011 at 2:07 AM, Bjorn Helgaas wrote: > On Fri, Aug 12, 2011 at 1:01 AM, Jeff Chua wrote: > I think this is all working as expected now. PNP automatically > configures the port and enables it. The 8250_pnp driver automatically > claims it. And I assume the port "just works" without any setserial or > sysfs manipulations at all. Does that solve your issue? Yes, it solved my issue:) Big thanks to you! > We need to think a bit more about whether this the right approach for > handling _SRS and whether it's in the right place. But I think this is > a start, at least. Agreed. Please push the patch to Linus so he can include it to his tree to solve os-controlled devices so they can automatically be used under Linux. Thank you Andrey and Bjorn for helping out! Thanks, Jeff