From: David Gibson <david-xT8FGy+AXnRB3Ne2BGzF6laj5H9X9Tb+@public.gmane.org>
To: Simon Glass <sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
Cc: Devicetree Discuss
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>
Subject: Re: [PATCH v5 4/5] Add fdtget utility to read property values from a device tree
Date: Tue, 20 Dec 2011 23:01:48 +1100 [thread overview]
Message-ID: <20111220120148.GB5133@truffala.fritz.box> (raw)
In-Reply-To: <CAPnjgZ0Na+zAX2cj=b1HbyGW5iNLGLn2rAeQEfZ9LwBLDW6a1w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Thu, Dec 15, 2011 at 05:37:51PM -0800, Simon Glass wrote:
> Hi,
>
> On Thu, Sep 22, 2011 at 6:20 PM, David Gibson
> <david-xT8FGy+AXnRB3Ne2BGzF6laj5H9X9Tb+@public.gmane.org> wrote:
> > On Thu, Sep 22, 2011 at 10:11:05AM -0700, Simon Glass wrote:
> >> This simply utility makes it easy for scripts to read values from the device
> >> tree. It is written in C and uses the same libfdt as the rest of the dtc
> >> package.
> >>
> >> What is it for:
> >> - Reading fdt values from scripts
> >> - Extracting fdt information within build systems
> >> - Looking at particular values without having to dump the entire tree
> >>
> >> To use it, specify the fdt binary file on command line followed by a list of
> >> node, property pairs. The utility then looks up each node, finds the property
> >> and displays the value.
> >>
> >> Each value is printed on a new line.
> >>
> >> fdtget tries to guess the type of each property based on its contents. This
> >> is not always reliable, so you can use the -t option to force fdtget to decode
> >> the value as a string, or byte, etc.
> >>
> >> To read from stdin, use - as the file.
> >>
> >> Usage:
> >> fdtget <options> <dt file> [<node> <property>]...
> >> Options:
> >> -t <type> Type of data
> >> -h Print this help
> >>
> >> <type> s=string, i=int, u=unsigned, x=hex
> >> Optional modifier prefix:
> >> hh or b=byte, h=2 byte, l=4 byte (default)
> >>
> >> Signed-off-by: Simon Glass <sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
> >
> > Acked-by: David Gibson <david-xT8FGy+AXnRB3Ne2BGzF6laj5H9X9Tb+@public.gmane.org>
>
> Has this been applied? I cannot see it in the repo.
I haven't chased it, I'm afraid. You'll need to follow up with Jon directly.
--
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
next prev parent reply other threads:[~2011-12-20 12:01 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-22 17:11 [PATCH v5 0/5] Add fdtget and fdtput for access to fdt from build system Simon Glass
[not found] ` <1316711466-14199-1-git-send-email-sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2011-09-22 17:11 ` [PATCH v5 1/5] Add fdt read/write utility functions Simon Glass
[not found] ` <1316711466-14199-2-git-send-email-sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2011-09-22 18:54 ` Jon Loeliger
[not found] ` <E1R6oQ2-00016C-DY-CYoMK+44s/E@public.gmane.org>
2011-09-22 19:07 ` Simon Glass
2011-09-22 17:11 ` [PATCH v5 2/5] Make testutils use utilfdt Simon Glass
[not found] ` <1316711466-14199-3-git-send-email-sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2011-09-22 18:55 ` Jon Loeliger
2011-09-22 17:11 ` [PATCH v5 3/5] ftdump: use utilfdt to read blob Simon Glass
[not found] ` <1316711466-14199-4-git-send-email-sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2011-09-22 18:55 ` Jon Loeliger
2011-09-22 17:11 ` [PATCH v5 4/5] Add fdtget utility to read property values from a device tree Simon Glass
[not found] ` <1316711466-14199-5-git-send-email-sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2011-09-23 1:20 ` David Gibson
[not found] ` <20110923012007.GG12286-787xzQ0H9iQXU02nzanrWNbf9cGiqdzd@public.gmane.org>
2011-12-16 1:37 ` Simon Glass
[not found] ` <CAPnjgZ0Na+zAX2cj=b1HbyGW5iNLGLn2rAeQEfZ9LwBLDW6a1w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-12-20 12:01 ` David Gibson [this message]
[not found] ` <20111220120148.GB5133-MK4v0fQdeXQXU02nzanrWNbf9cGiqdzd@public.gmane.org>
2011-12-22 6:47 ` Simon Glass
[not found] ` <CAPnjgZ3Y897hEQ2+qLO711Cuv9BvkQvcxusG1XQAyiG3UZ-M0g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-12-22 14:17 ` Jon Loeliger
[not found] ` <E1RdjSE-0007a8-86-CYoMK+44s/E@public.gmane.org>
2012-01-04 0:44 ` Simon Glass
2011-09-22 17:11 ` [PATCH v5 5/5] Add fdtput utility to write property values to " Simon Glass
[not found] ` <1316711466-14199-6-git-send-email-sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2011-09-23 1:20 ` David Gibson
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