linux-kernel - Re: [RFC][PATCH] misc: Introduce reboot

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Message-ID: <CALAqxLV+eT5fHua3LETDtm2UCX0+9DoR2tOHLaFbAWWb-UnUsQ@mail.gmail.com>
Date:	Thu, 10 Dec 2015 11:04:03 -0800
From:	John Stultz <john.stultz@...aro.org>
To:	Tomas Winkler <tomasw@...il.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Bjorn Andersson <bjorn.andersson@...ymobile.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Vinay Simha BN <simhavcs@...il.com>,
	Haojian Zhuang <haojian.zhuang@...aro.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Android Kernel Team <kernel-team@...roid.com>,
	Andy Gross <agross@...eaurora.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"Gross, Mark" <mark.gross@...el.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Darren Hart <dvhart@...ux.intel.com>
Subject: Re: [RFC][PATCH] misc: Introduce reboot_reason driver

On Thu, Dec 10, 2015 at 1:20 AM, Tomas Winkler <tomasw@...il.com> wrote:
> Intel uses EFI variables for that on  some AOS platforms. There is a
> need for persistent storage abstraction and generalize the reboot
> reasons strings.

Yea. I've been told there isn't any sort of standardized method for
EFI here. But I have seen a few different implementations floating
around.

One of the machines I want to support with this driver is actually
using a UEFI bootloader, but we don't have separate storage to use to
communicate back via the UEFI methods, so the ram based approach looks
like the best solution.

> Second, I wonder why this is submitted under drivers/misc when it
> doesn't bind the misc API.

Heh. Apologies. Its more of a "where do I put this?", misc rather then
"this should be part of the established misc infrastructure!"
Suggestions for alternative locations?

thanks
-john
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