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List:       devicetree
Subject:    [PATCH v3] libfdt: Add support for using aliases in fdt_path_offset()
From:       segher () kernel ! crashing ! org (Segher Boessenkool)
Date:       2008-08-16 6:51:06
Message-ID: B8AE3E9F-3F7A-4533-8C6C-1C6E2F45044A () kernel ! crashing ! org
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> Hmm.. my reading of 1275 says that an alias pointing to another alias
> is not permitted, but I'm not terribly confident I'm not misreading
> it.  Segher, do you know whether this is allowed?

My reading is the same: if after expanding an alias the path does
not start with "/", the search starts at the current package,
otherwise it starts at the root node; and no further alias expansion
is done.

It's a corner case for sure, but at least the standard doesn't
require us to implement recursive alias expansion; let's see if
common practice does ;-)


Segher



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