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manual: Fix and improve documentation about -@ 

Device trees with a /plugin/ tag ("overlays") generate a __fixups__ node
when needed and independent of -q being given or not. The same is true for
__local__fixups__. So don't mention these two nodes in the paragraph about
-@.

To not shorten the description too much, describe the semantic of the
properties contained in the generated __symbols__ node.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Uwe Kleine-König 2023-04-24 17:23:27 +02:00 committed by David Gibson
parent 2cdf93a6d4
commit 9f8b382ed4
1 changed files with 3 additions and 5 deletions
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8
Documentation/manual.txt
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@ -122,12 +122,10 @@ Options:
Relevant for dtb and asm output only.
-@
Generates a __symbols__ node at the root node of the resulting blob
for any node labels used, and for any local references using phandles
it also generates a __local_fixups__ node that tracks them.
Generates a __symbols__ node at the root node. This node contains a
property for each label. The property's name is the label name and the
value is the path of the labeled node.
When using the /plugin/ tag all unresolved label references to
be tracked in the __fixups__ node, making dynamic resolution possible.
-A
Generate automatically aliases for all node labels. This is similar to