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From: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
To: Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>
Cc: Frank Rowand
	<frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
	Rob Herring <robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Ian Campbell <ijc-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
	Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Rob Landley <rob-VoJi6FS/r0vR7s880joybQ@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	devicetree-spec-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-compiler-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: devicetree repository separation/migration
Date: Sat, 01 Mar 2014 21:04:41 +0000	[thread overview]
Message-ID: <20140301210441.8290AC40DCB@trevor.secretlab.ca> (raw)
In-Reply-To: <20140228080025.GK24917-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>

On Fri, 28 Feb 2014 09:00:25 +0100, Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> wrote:
> On Fri, Feb 21, 2014 at 10:47:09AM -0800, Olof Johansson wrote:
> > On Fri, Feb 21, 2014 at 6:11 AM, Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> wrote:
> > > On Thu, Feb 20, 2014 at 05:07:12PM -0800, Frank Rowand wrote:
> > 
> > >> Why are the changes not submitted upstream?  (Or if they were submitted, why
> > >> were they not accepted?)
> > >
> > > The descriptions where to find the environment are obviously barebox
> > > specific and not acceptable upstream.
> > 
> > Why not? Wouldn't it be useful if you could find where the environment
> > is from the running Linux image so that you can change variables
> > without rebooting into Barebox first?
> 
> Indeed that would be very useful. Generally that would require some
> generic binding for referring to partitions on mtd devices, partitions
> on block devices and EEPROMs. If you think such a binding would have a
> chance upstream I could try and come up with a binding.

I agree. I want to explore doing the same thing for UEFI also. Currently
the UEFI spec pretty much requires UEFI runtime services to 'own' the
device that holds variable storage, but that doesn't work on
cost-sensitive devices that can't afford separate flash dedicated to
UEFI. I'd like to investigate a spec extension that defines the variable
storage format on a block device so that Linux can directly manipulate
it without a runtime services call.

g.
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      parent reply	other threads:[~2014-03-01 21:04 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-17 18:05 devicetree repository separation/migration Jason Cooper
     [not found] ` <20140217180544.GU7862-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-02-18 14:34   ` Jason Cooper
2014-02-18 15:57   ` Sascha Hauer
     [not found]     ` <20140218155750.GS17250-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2014-02-18 18:18       ` Jason Cooper
     [not found]         ` <20140218181854.GB7862-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-02-18 19:09           ` Stephen Warren
     [not found]             ` <5303AFDC.9010908-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-02-18 19:22               ` Jason Cooper
2014-02-18 19:47           ` Olof Johansson
     [not found]             ` <CAOesGMhvoB7vRf3H1kMaL5+MgZ2gJy=ZVNU0gsXVye9S4YGBOg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-18 22:21               ` Olof Johansson
     [not found]                 ` <CAOesGMi8zJXhfj46CLB-_Kk2s4MY9da46DhMoCtRj=zSUiuOGA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-18 22:44                   ` Tim Bird
     [not found]                     ` <CA+bK7J5+n2Se4cLv5WjR5B31ej7FdrGjPcjUULNrhb1UQ7=vmA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-19  9:08                       ` Sascha Hauer
     [not found]                         ` <20140219090854.GW17250-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2014-02-19 20:16                           ` Frank Rowand
     [not found]                             ` <53051102.8060801-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-02-19 21:15                               ` Grant Likely
     [not found]                                 ` <CACxGe6uhA6FMR76WJGVEt44x6bQOC=woCkDr6ZUH30hTd8f2wA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-19 21:37                                   ` Frank Rowand
2014-02-20  4:58                                   ` Frank Rowand
     [not found]                                     ` <53058B69.4040502-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-02-20  8:14                                       ` Grant Likely
     [not found]                                         ` <CACxGe6ugF2_kzDPLdv-Z1LUnkX4DHq9R45o64kJHVBSQjWFiNg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-20  9:38                                           ` Ian Campbell
2014-02-20 21:15                                           ` Frank Rowand
2014-02-21 18:22                                       ` Warner Losh
     [not found]                                         ` <7F6C2FEA-D330-4CFA-8DC2-554DB8908EC6-uzTCJ5RojNnQT0dZR+AlfA@public.gmane.org>
2014-02-21 21:04                                           ` Frank Rowand
2014-02-19 21:12                       ` Rob Herring
     [not found]                         ` <CAL_JsqJG+OXbT7sMiHV2dCx+nf--RidL8MmMd=dy6_gAa0yYcg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-19 21:20                           ` Olof Johansson
     [not found]                             ` <CAOesGMiHOwSYTCUaptacN=_pbXnObU5gqpxQHQ+kRTaW-ow3rA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-20  9:40                               ` Ian Campbell
2014-02-20 11:38                               ` Grant Likely
     [not found]                                 ` <20140220113832.D9E13C4050F-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2014-02-21 18:27                                   ` Warner Losh
     [not found]                                     ` <0F360BC4-77AC-44E4-85FA-A8AAA336BA4D-uzTCJ5RojNnQT0dZR+AlfA@public.gmane.org>
2014-02-22 18:16                                       ` Sascha Hauer
2014-02-21 18:57                                   ` Olof Johansson
2014-02-20 14:34                               ` Rob Herring
2014-02-19 21:32                           ` Frank Rowand
     [not found]                             ` <530522F8.8050102-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-02-20 15:01                               ` Rob Herring
2014-02-19  9:22               ` Sascha Hauer
2014-02-19 18:32               ` Jason Cooper
     [not found]                 ` <20140219183221.GO7862-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-02-19 20:23                   ` Warner Losh
     [not found]                     ` <FC8FF4FE-E9F5-4C17-BF3A-01ADAA1584D7-uzTCJ5RojNnQT0dZR+AlfA@public.gmane.org>
2014-02-20  9:50                       ` Ian Campbell
2014-02-18 22:14           ` Frank Rowand
     [not found]             ` <5303DB5B.2090505-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-02-19 18:46               ` Jason Cooper
     [not found]                 ` <20140219184626.GP7862-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-02-19 20:18                   ` Frank Rowand
     [not found]                     ` <5305119F.2070405-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-02-20  9:49                       ` Ian Campbell
2014-02-19 20:28                   ` Warner Losh
2014-02-19  8:32           ` Sascha Hauer
     [not found]             ` <20140219083232.GV17250-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2014-02-19 18:50               ` Jason Cooper
2014-02-19 21:09           ` Grant Likely
     [not found]             ` <CACxGe6vU3j4-UtUtxBkT=Mf+AeLVxBcWicGqQhcGVZXnEBUkig-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-19 21:43               ` Warner Losh
     [not found]         ` < CAOesGMhvoB7vRf3H1kMaL5+MgZ2gJy=ZVNU0gsXVye9S4YGBOg@mail.gmail.com>
     [not found]           ` < CAOesGMi8zJXhfj46CLB-_Kk2s4MY9da46DhMoCtRj=zSUiuOGA@mail.gmail.com>
     [not found]             ` < CA+bK7J5+n2Se4cLv5WjR5B31ej7FdrGjPcjUULNrhb1UQ7=vmA@mail.gmail.com>
     [not found]               ` < CAL_JsqJG+OXbT7sMiHV2dCx+nf--RidL8MmMd=dy6_gAa0yYcg@mail.gmail.com>
     [not found]           ` < 20140219183221.GO7862@titan.lakedaemon.net>
     [not found]             ` < FC8FF4FE-E9F5-4C17-BF3A-01ADAA1584D7@bsdimp.com>
     [not found]               ` <1392889831.23342.11.camel @kazak.uk.xensource.com>
     [not found]                 ` <1392889831.23342.11.camel-ommiHX4a84BXesXXhkcM7miJhflN2719@public.gmane.org>
2014-02-20 11:39                   ` Grant Likely
     [not found]         ` < CACxGe6vU3j4-UtUtxBkT=Mf+AeLVxBcWicGqQhcGVZXnEBUkig@mail.gmail.com>
     [not found]           ` < 88923CF8-5E0A-46A4-AAA0-AC277F5C9446@bsdimp.com>
     [not found]             ` <20140220113951.612DDC4050F@trevor.secretlab.ca>
     [not found]               ` <20140220113951.612DDC4050F-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2014-02-21 18:28                 ` Warner Losh
2014-02-21  1:07   ` Frank Rowand
     [not found]     ` <5306A6C0.9000206-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-02-21 14:11       ` Sascha Hauer
     [not found]         ` <20140221141136.GI17250-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2014-02-21 18:47           ` Olof Johansson
     [not found]             ` <CAOesGMjY2aDLPYLncxHs9gqmWCFy+e4sZK_ET-17qzEU-JwvdQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-28  8:00               ` Sascha Hauer
2014-02-24 15:59           ` Ian Campbell
     [not found]             ` <1393257557.16570.94.camel-ommiHX4a84BXesXXhkcM7miJhflN2719@public.gmane.org>
2014-02-25  7:26               ` Sascha Hauer
     [not found]                 ` <20140225072609.GW17250-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2014-02-25  7:36                   ` Ian Campbell
     [not found]                     ` <1393313764.9640.15.camel-ztPmHsLffjjnO4AKDKe2m+kiAK3p4hvP@public.gmane.org>
2014-02-26  9:00                       ` Ian Campbell
     [not found]                         ` <1393405232.16570.106.camel-ommiHX4a84BXesXXhkcM7miJhflN2719@public.gmane.org>
2014-02-26  9:18                           ` Sascha Hauer
     [not found]         ` < CAOesGMjY2aDLPYLncxHs9gqmWCFy+e4sZK_ET-17qzEU-JwvdQ@mail.gmail.com>
     [not found]           ` < 20140228080025.GK24917@pengutronix.de>
     [not found]             ` <20140228080025.GK24917-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2014-03-01 21:04               ` Grant Likely [this message]

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