From: David Daney <david.daney-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>
To: Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>
Cc: "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>
Subject: Re: [PATCH] of/flattree: Early "find node by alias" function
Date: Fri, 21 Oct 2011 09:45:29 -0700 [thread overview]
Message-ID: <4EA1A1A9.2090403@cavium.com> (raw)
In-Reply-To: <1319210219-10707-1-git-send-email-pawel.moll-5wv7dgnIgG8@public.gmane.org>
On 10/21/2011 08:16 AM, Pawel Moll wrote:
> This patch adds a function for finding a node in flat tree
> based on an alias name. It can be used in early boot code.
>
> Typical use case is a situation when early code needs data
> from a arbitrary tree node, eg. base address of "serial0" to
> initialise debug output or some sort of ID register to
> probe hardware.
>
> The tree source could look like that:
>
> / {
> aliases {
> serial0 =&uart0;
> };
>
> uart0: uart@f0001000 {
> reg =<0xf0001000 0x1000>;
> };
> }
>
> Signed-off-by: Pawel Moll<pawel.moll-5wv7dgnIgG8@public.gmane.org>
How is this patch different/better than:
http://lists.ozlabs.org/pipermail/devicetree-discuss/2011-June/005819.html
David Daney
next prev parent reply other threads:[~2011-10-21 16:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-21 15:16 [PATCH] of/flattree: Early "find node by alias" function Pawel Moll
[not found] ` <1319210219-10707-1-git-send-email-pawel.moll-5wv7dgnIgG8@public.gmane.org>
2011-10-21 16:45 ` David Daney [this message]
[not found] ` <4EA1A1A9.2090403-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>
2011-10-21 17:08 ` Pawel Moll
2011-10-21 20:04 ` Grant Likely
2011-10-26 9:29 ` Dave Martin
2011-11-08 11:57 ` Pawel Moll
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