From mboxrd@z Thu Jan 1 00:00:00 1970 From: Al Stone Subject: Re: [RFC 0/5] console/acpi: add DBG2 and SPCR console configuration Date: Tue, 12 Jan 2016 17:07:49 -0700 Message-ID: <56959555.6090705@linaro.org> References: <1441716217-23786-1-git-send-email-leif.lindholm@linaro.org> <56951841.4010101@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <56951841.4010101@codeaurora.org> Sender: linux-acpi-owner@vger.kernel.org To: Christopher Covington , Leif Lindholm , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, graeme.gregory@linaro.org Cc: mark.rutland@arm.com, linaro-acpi@lists.linaro.org, jcm@redhat.com, torez@redhat.com, lv.zheng@intel.com, Timur Tabi , "linux-arm-msm@vger.kernel.org" List-Id: linux-serial@vger.kernel.org On 01/12/2016 08:14 AM, Christopher Covington wrote: > Hi, > > On 09/08/2015 08:43 AM, Leif Lindholm wrote: >> Support for configuring bootconsole and console via the ACPI tables >> DBG2 (Debug Port Table 2) [1] and SPCR (Serial Port Console Redirection >> Table) [2], defined by Microsoft, has been discussed on and off over the >> years. >> >> [1] https://msdn.microsoft.com/en-us/library/windows/hardware/dn639131(v=vs.85).aspx >> [2] https://msdn.microsoft.com/en-us/library/windows/hardware/dn639132(v=vs.85).aspx >> >> Licensing concerns have prevented this happening in the past, but as of >> 10 August 2015, these tables have both been released also under OWF 1.0 >> (http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0) >> which is think is noncontroversially GPL-compatible? >> >> This set is a first attempt at implementing this. >> >> Submitting as an RFC since the SPCR handling currently depends on the >> console driver being initialized after subsystem initcalls. Workaround >> to enable testing surrounding infrastructure in 5/5, _really_ not >> intended to be merged. >> (Suggestions for acceptable ways of working around this appreciated.) > > What's required for this to graduate from RFC status? Is anyone working > on it? > > Thanks, > Christopher Covington > Well, we have asked Aleksey Makarov to pick this task up from Leif within Linaro. Perhaps drop him a line and see if the two of you can collaborate on this somehow? I think it just needs nudging and a bit of TLC to get it past being an RFC. -- ciao, al ----------------------------------- Al Stone Software Engineer Linaro Enterprise Group al.stone@linaro.org -----------------------------------