* board identification in /sys
@ 2011-08-18 19:15 Andres Salomon
[not found] ` <20110818121530.08946a6e-pFFUokh25LWsTnJN9+BGXg@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Andres Salomon @ 2011-08-18 19:15 UTC (permalink / raw)
To: devicetree-discuss-mnsaURCQ41sdnm+yROfE0A
I've been paying partial attention to the following thread:
http://marc.info/?l=linux-hotplug&m=131352330625733&w=2
It's an interesting discussion. I realize that
moving /proc/device-tree to /sys would probably violate
sysrq-rules.txt, but it would be nice to have a common way to
represent things like cpu type, board id, etc in /sys that is populated
from the DT. I haven't seen that discussed here yet, has anyone
considered it?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: board identification in /sys
[not found] ` <20110818121530.08946a6e-pFFUokh25LWsTnJN9+BGXg@public.gmane.org>
@ 2011-08-19 2:23 ` David Gibson
[not found] ` <20110819022306.GD30097-787xzQ0H9iQXU02nzanrWNbf9cGiqdzd@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: David Gibson @ 2011-08-19 2:23 UTC (permalink / raw)
To: Andres Salomon; +Cc: devicetree-discuss-mnsaURCQ41sdnm+yROfE0A
On Thu, Aug 18, 2011 at 12:15:30PM -0700, Andres Salomon wrote:
> I've been paying partial attention to the following thread:
> http://marc.info/?l=linux-hotplug&m=131352330625733&w=2
>
> It's an interesting discussion. I realize that
> moving /proc/device-tree to /sys would probably violate
> sysrq-rules.txt, but it would be nice to have a common way to
> represent things like cpu type, board id, etc in /sys that is populated
> from the DT. I haven't seen that discussed here yet, has anyone
> considered it?
Seems like a specious argument to me. Despite all the problems of
/proc, the contents of /proc/device-tree are perfectly well-defined.
Or at least, its problems are entirely its own and not related to the
general problems of /proc. The only argument here seems to be that
it's in /proc, and that's dealt with if that helper script just thinks
of /proc/device-tree as one possible place for the device tree path.
In the future it could be under /sys. Indeed on sparc I think their
device tree representation is a separate filesystem and could be
anywhere.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: board identification in /sys
[not found] ` <20110819022306.GD30097-787xzQ0H9iQXU02nzanrWNbf9cGiqdzd@public.gmane.org>
@ 2011-08-19 3:14 ` Andres Salomon
0 siblings, 0 replies; 3+ messages in thread
From: Andres Salomon @ 2011-08-19 3:14 UTC (permalink / raw)
To: David Gibson; +Cc: devicetree-discuss-mnsaURCQ41sdnm+yROfE0A
On Fri, 19 Aug 2011 12:23:06 +1000
David Gibson <david-xT8FGy+AXnRB3Ne2BGzF6laj5H9X9Tb+@public.gmane.org> wrote:
> On Thu, Aug 18, 2011 at 12:15:30PM -0700, Andres Salomon wrote:
> > I've been paying partial attention to the following thread:
> > http://marc.info/?l=linux-hotplug&m=131352330625733&w=2
> >
> > It's an interesting discussion. I realize that
> > moving /proc/device-tree to /sys would probably violate
> > sysrq-rules.txt, but it would be nice to have a common way to
> > represent things like cpu type, board id, etc in /sys that is
> > populated from the DT. I haven't seen that discussed here yet, has
> > anyone considered it?
>
> Seems like a specious argument to me. Despite all the problems of
> /proc, the contents of /proc/device-tree are perfectly well-defined.
> Or at least, its problems are entirely its own and not related to the
> general problems of /proc. The only argument here seems to be that
> it's in /proc, and that's dealt with if that helper script just thinks
> of /proc/device-tree as one possible place for the device tree path.
> In the future it could be under /sys. Indeed on sparc I think their
> device tree representation is a separate filesystem and could be
> anywhere.
Under sparc, it's typically in /openprom iirc.
I'd be fine with converting it to /sys/device-tree or some such thing
if that was okay with maintainers.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2011-08-19 3:14 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2011-08-18 19:15 board identification in /sys Andres Salomon
[not found] ` <20110818121530.08946a6e-pFFUokh25LWsTnJN9+BGXg@public.gmane.org>
2011-08-19 2:23 ` David Gibson
[not found] ` <20110819022306.GD30097-787xzQ0H9iQXU02nzanrWNbf9cGiqdzd@public.gmane.org>
2011-08-19 3:14 ` Andres Salomon
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