linux-kernel - Re: [PATCH] dt: add of_alias_scan and of_alias_get

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Date:	Mon, 15 Aug 2011 14:36:44 +0800
From:	Shawn Guo <shawn.guo@...escale.com>
To:	David Miller <davem@...emloft.net>
CC:	<shawn.guo@...aro.org>, <devicetree-discuss@...ts.ozlabs.org>,
	<linux-kernel@...r.kernel.org>, <patches@...aro.org>
Subject: Re: [PATCH] dt: add of_alias_scan and of_alias_get_id

On Sun, Aug 14, 2011 at 11:05:29PM -0700, David Miller wrote:
> From: Shawn Guo <shawn.guo@...escale.com>
> Date: Mon, 15 Aug 2011 14:07:09 +0800
> 
> > Can you please help me a little bit more with the "other places"?
> 
> arch/sparc/kernel/prom*.c
> 
How about the following changes?  I do not even have a compiler to do
build test for sparc.  Is it possible for me to get one from somewhere?

---8<-----
diff --git a/drivers/of/pdt.c b/drivers/of/pdt.c
index 4d87b5d..124280a 100644
--- a/drivers/of/pdt.c
+++ b/drivers/of/pdt.c
@@ -245,4 +245,11 @@ void __init of_pdt_build_devicetree(phandle root_node, struct of_pdt_ops *ops)
        nextp = &allnodes->allnext;
        allnodes->child = of_pdt_build_tree(allnodes,
                        of_pdt_prom_ops->getchild(allnodes->phandle), &nextp);
+
+       /* Get pointer to "/chosen" and "/aliasas" nodes for use everywhere */
+       of_chosen = of_find_node_by_path("/chosen");
+       if (of_chosen == NULL)
+               of_chosen = of_find_node_by_path("/chosen@0");
+       of_aliases = of_find_node_by_path("/aliases");
+       of_alias_scan(dt_alloc);
 }

-- 
Regards,
Shawn

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