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From: Doug Anderson <dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
To: Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
Cc: Ulf Hansson <ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Jaehoon Chung
	<jh80.chung-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Shawn Lin <shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	Adrian Hunter
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	<linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
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	Dmitry Torokhov
	<dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
	Jisheng Zhang <jszhang-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
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	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
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	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Pawel Moll <p>
Subject: Re: [PATCH v2 0/4] Patches to allow consistent mmc / mmcblk numbering w/ device tree
Date: Fri, 29 Apr 2016 14:39:35 -0700	[thread overview]
Message-ID: <CAD=FV=V9V8P=d59RX1eaAdVxJgMxub1F6hzQNw1QW+7t=3POBw@mail.gmail.com> (raw)
In-Reply-To: <20160429212920.GA19428-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>

Russell,

On Fri, Apr 29, 2016 at 2:29 PM, Russell King - ARM Linux
<linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org> wrote:
> No, because you haven't taken the time to think and consider my
> reply, which gives you insight into how your "problem" is no
> different from the situation that everyone else has, where it
> isn't a problem.

I have certainly considered it.


> I think the "problem" here is that you've got used to coreboot
> doing something that very few other boot loaders do, namely it
> automatically extracting a rootfs UUID for you.  The rest of the
> world doesn't have that luxury.

Earlier in this thread Rob nicely proposed a solution to my TFTP.  I
agreed that was a nice solution.  I can certainly use it.  Certainly
there are many places where UUIDs are awesome.  ...but that's still no
reason to assign a random number when a sane and logical numbering
system exists for MMC parts on a given SoC.


> So, instead, you want to stuff more code into the kernel to work
> around what you think is a problem - a problem which seems to be
> unique to yourself.

Not so much.  I think many people have expressed interest in something
like this.  It seems unlikely to be unique.


> The UUID and label solutions were created by x86 people to work
> around exactly this dynamic device problem, and as my previous
> replies have shown, it is superior to fixing the device assignment
> as you're trying to do.

Sure.  They don't have the luxury of having a simple and consistent
numbering so they're forced to use UUIDs for booting and have the
extra mental work of mapping IDs to physical hardware.  ...so they're
forced to use UUIDs.


> However, I don't expect that you'll like this answer, and you'll
> probably just re-post your same question after each and every
> paragraph rather than considering whether the already existing
> solutions could solve your "problem".  So I'm just wasting my time.

Really I just reposted it several times because I notice that you seem
to ignore many points of my emails.  I was really hoping to get you to
address this point.  I notice that you still didn't.  Either you are
just trying to annoy me, or you don't have an answer to how my patch
series hurts you.


> This is my last reply.

Excellent.  I look forward to your silence.

-Doug

  parent reply	other threads:[~2016-04-29 21:39 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-29 17:32 [PATCH v2 0/4] Patches to allow consistent mmc / mmcblk numbering w/ device tree Douglas Anderson
     [not found] ` <1461951139-6109-1-git-send-email-dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2016-04-29 17:32   ` [PATCH v2 1/4] Documentation: mmc: Document mmc aliases Douglas Anderson
2016-04-29 17:32   ` [PATCH v2 2/4] mmc: read mmc alias from device tree Douglas Anderson
2016-04-29 17:32   ` [PATCH v2 3/4] mmc: use SD/MMC host ID for block device name ID Douglas Anderson
2016-04-29 18:12   ` [PATCH v2 0/4] Patches to allow consistent mmc / mmcblk numbering w/ device tree Rob Herring
     [not found]     ` <CAL_JsqKOADU1hyLj+3cHjTJ7wgkOi-z-iWvFD3Bx5dvB12j+KQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-29 19:31       ` Doug Anderson
     [not found]         ` <CAD=FV=XFZ+4o_QyOdkNZyZ6ZmyXNH1Fbn458oeAxAMLOB=fLkg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-29 19:50           ` Russell King - ARM Linux
     [not found]             ` <20160429195007.GX19428-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2016-04-29 20:02               ` Doug Anderson
2016-04-29 18:12   ` Russell King - ARM Linux
     [not found]     ` <20160429181248.GW19428-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2016-04-29 19:43       ` Doug Anderson
2016-04-29 19:57         ` Russell King - ARM Linux
     [not found]           ` <20160429195741.GY19428-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2016-04-29 20:04             ` Doug Anderson
2016-04-29 21:13               ` Russell King - ARM Linux
     [not found]                 ` <20160429211328.GZ19428-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2016-04-29 21:17                   ` Doug Anderson
2016-04-29 21:29                     ` Russell King - ARM Linux
     [not found]                       ` <20160429212920.GA19428-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2016-04-29 21:39                         ` Doug Anderson [this message]
2016-04-29 21:50                           ` Russell King - ARM Linux
2016-04-29 21:56                             ` Doug Anderson
2016-04-29 22:16                               ` Russell King - ARM Linux
2016-04-29 22:22                                 ` Doug Anderson
     [not found]                                   ` <CAD=FV=WzgGFzzpeYAPrOpMS684_G=XRoSRjTegK-vre=fX=kpw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-29 22:44                                     ` Russell King - ARM Linux
2016-04-29 23:01                                       ` Doug Anderson
     [not found]                                         ` <CAD=FV=U5jnJJ3v=nFGFecoKB5KGv1ufC+aKbHx2iCqBTWpDTww-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-29 23:58                                           ` Peter Hurley
     [not found]                                             ` <CAD=FV=V_YyfBOSs7BLkyhv=_5HBmf3djUWACbL6d-bwnrueDjA@mail.gmail.com>
     [not found]                                               ` <CAD=FV=V_YyfBOSs7BLkyhv=_5HBmf3djUWACbL6d-bwnrueDjA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-30  0:31                                                 ` Peter Hurley
2016-04-30  2:29                                                   ` Doug Anderson
     [not found]                                                   ` <5723FCE3.9070308-WaGBZJeGNqdsbIuE7sb01tBPR1lH4CV8@public.gmane.org>
2016-04-30  8:38                                                     ` Russell King - ARM Linux
2016-04-30 13:23                                           ` Rob Herring
2016-04-29 22:42                                 ` Javier Martinez Canillas
2016-04-30 10:48                                   ` Russell King - ARM Linux
     [not found]                                     ` <20160430104832.GJ19428-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2016-05-03 19:17                                       ` Trent Piepho
2016-05-04  7:18     ` Pavel Machek
2016-05-04 12:25       ` Rob Herring
2016-05-04 12:46         ` Pavel Machek
2016-04-29 17:32 ` [PATCH v2 4/4] ARM: dts: rockchip: Add mmc aliases for rk3288 platform Douglas Anderson
2019-03-05 12:39 ` [PATCH v2 0/4] Patches to allow consistent mmc / mmcblk numbering w/ device tree Måns Rullgård
2019-03-15 21:52   ` Tim Harvey
     [not found]     ` <CAJ+vNU1PxK-B63Dc3AgzYb9POyxxoF-xPOWBEpxJ+3eVNK8xqw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-03-15 23:00       ` Marek Vasut
2019-03-15 23:13         ` Tim Harvey
2019-03-15 23:23         ` Doug Anderson
     [not found]         ` <yw1xftrn2em9.fsf@mansr.com>
2019-03-16 12:33           ` Marek Vasut
2019-03-16 15:39             ` Russell King - ARM Linux admin
2019-03-17 15:05               ` Stefan Agner
2019-03-17 15:43                 ` Russell King - ARM Linux admin
2019-03-17 15:50                   ` Marek Vasut
2019-03-17 16:48                 ` Måns Rullgård
2019-03-17 16:59                   ` Russell King - ARM Linux admin
2019-03-27 17:37                     ` Tim Harvey
2019-03-27 20:54                       ` Russell King - ARM Linux admin

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