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devicetree: add helper inline for retrieving a node's full name

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The pattern (np ? np->full_name : "<none>") is rather common in the
kernel, but can also make for quite long lines.  This patch adds a new
inline function, of_node_full_name() so that the test for a valid node
pointer doesn't need to be open coded at all call sites.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
This commit is contained in:
Grant Likely
2012-06-15 11:50:25 -06:00
committed by Rob Herring
parent 1af4c7f18a
commit 74a7f08448
10 changed files with 25 additions and 21 deletions
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2
drivers/of/base.c
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@@ -1173,7 +1173,7 @@ static void of_alias_add(struct alias_prop *ap, struct device_node *np,
ap->stem[stem_len] = 0;
list_add_tail(&ap->link, &aliases_lookup);
pr_debug("adding DT alias:%s: stem=%s id=%i node=%s\n",
ap->alias, ap->stem, ap->id, np ? np->full_name : NULL);
ap->alias, ap->stem, ap->id, of_node_full_name(np));
}
/**

2
drivers/of/irq.c
View File

@@ -255,7 +255,7 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec,
skiplevel:
/* Iterate again with new parent */
pr_debug(" -> new parent: %s\n", newpar ? newpar->full_name : "<>");
pr_debug(" -> new parent: %s\n", of_node_full_name(newpar));
of_node_put(ipar);
ipar = newpar;
newpar = NULL;