[PATCH] dtc: Add an option to generate __local_fixups__

[PATCH] dtc: Add an option to generate __local_fixups__

[Uwe Kleine-König]

This happens implicitly for dts files with a /plugin/ tag.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
---
 Documentation/manual.txt | 5 +++++
 dtc.c                    | 8 +++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/Documentation/manual.txt b/Documentation/manual.txt
index 15a7837d3cef..94dafb8ace6b 100644
--- a/Documentation/manual.txt
+++ b/Documentation/manual.txt
@@ -126,6 +126,11 @@ Options:
 	property for each label. The property's name is the label name and the
 	value is the path of the labeled node.
 
+    -L
+	Generates a __local_fixups__ node at the root node. For each property
+	that contains a phandle, the __local_fixups__ node contains a property
+	(at path __local_fixups__/$a if $a is the path of the node). It's value
+	is a list of offsets that are phandle values.
 
     -A
 	Generate automatically aliases for all node labels. This is similar to
diff --git a/dtc.c b/dtc.c
index bc786c543b7e..d2e4e2b55b5c 100644
--- a/dtc.c
+++ b/dtc.c
@@ -47,7 +47,7 @@ static void fill_fullpaths(struct node *tree, const char *prefix)
 
 /* Usage related data. */
 static const char usage_synopsis[] = "dtc [options] <input file>";
-static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:a:fb:i:H:sW:E:@AThv";
+static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:a:fb:i:H:sW:E:@LAThv";
 static struct option const usage_long_opts[] = {
 	{"quiet",            no_argument, NULL, 'q'},
 	{"in-format",         a_argument, NULL, 'I'},
@@ -67,6 +67,7 @@ static struct option const usage_long_opts[] = {
 	{"warning",           a_argument, NULL, 'W'},
 	{"error",             a_argument, NULL, 'E'},
 	{"symbols",	     no_argument, NULL, '@'},
+	{"local-fixups",     no_argument, NULL, 'L'},
 	{"auto-alias",       no_argument, NULL, 'A'},
 	{"annotate",         no_argument, NULL, 'T'},
 	{"help",             no_argument, NULL, 'h'},
@@ -252,6 +253,11 @@ int main(int argc, char *argv[])
 		case '@':
 			generate_symbols = 1;
 			break;
+
+		case 'L':
+			generate_fixups = 1;
+			break;
+
 		case 'A':
 			auto_label_aliases = 1;
 			break;

base-commit: 2cdf93a6d402a161edf16de6011bd5ad76382e92
prerequisite-patch-id: a819463d7047680b5865233f136e35ac3e3d4ee9
-- 
2.39.2

Re: [PATCH] dtc: Add an option to generate __local_fixups__

[Uwe Kleine-König]

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On Mon, Apr 24, 2023 at 06:10:07PM +0200, Uwe Kleine-König wrote:
> This happens implicitly for dts files with a /plugin/ tag.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
> ---
>  Documentation/manual.txt | 5 +++++
>  dtc.c                    | 8 +++++++-
>  2 files changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/manual.txt b/Documentation/manual.txt
> index 15a7837d3cef..94dafb8ace6b 100644
> --- a/Documentation/manual.txt
> +++ b/Documentation/manual.txt
> @@ -126,6 +126,11 @@ Options:
>  	property for each label. The property's name is the label name and the
>  	value is the path of the labeled node.
>  
> +    -L
> +	Generates a __local_fixups__ node at the root node. For each property
> +	that contains a phandle, the __local_fixups__ node contains a property
> +	(at path __local_fixups__/$a if $a is the path of the node). It's value

I noticed before sending that I need s/It's/Its/, but only did the
change in my working copy and failed to add it to the commit.

Feel free to fixup when applying this fix, otherwise I can also send a
v2.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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Re: [PATCH] dtc: Add an option to generate __local_fixups__

[David Gibson]

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On Tue, Apr 25, 2023 at 12:21:20PM +0200, Uwe Kleine-König wrote:
> On Mon, Apr 24, 2023 at 06:10:07PM +0200, Uwe Kleine-König wrote:
> > This happens implicitly for dts files with a /plugin/ tag.
> > 
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
> > ---
> >  Documentation/manual.txt | 5 +++++
> >  dtc.c                    | 8 +++++++-
> >  2 files changed, 12 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/manual.txt b/Documentation/manual.txt
> > index 15a7837d3cef..94dafb8ace6b 100644
> > --- a/Documentation/manual.txt
> > +++ b/Documentation/manual.txt
> > @@ -126,6 +126,11 @@ Options:
> >  	property for each label. The property's name is the label name and the
> >  	value is the path of the labeled node.
> >  
> > +    -L
> > +	Generates a __local_fixups__ node at the root node. For each property
> > +	that contains a phandle, the __local_fixups__ node contains a property
> > +	(at path __local_fixups__/$a if $a is the path of the node). It's value
> 
> I noticed before sending that I need s/It's/Its/, but only did the
> change in my working copy and failed to add it to the commit.
> 
> Feel free to fixup when applying this fix, otherwise I can also send a
> v2.

I have some comments on this one in the github PR.

-- 
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

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