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regulator: Fix up a confusing dev_warn when DT lookup fails 

of_parse_phandle() returns NULL either if the property name
itself does not exist or if it (exists and) does not
reference a valid phandle.
Giving out a warn like the one below (that the property references
an invalid phandle) can be confusing when the property itself
does not exist in the node.
Fix it with a more sensible message and make it a dev_dbg instead
of a dev_warn.

Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Rajendra Nayak 2012-03-16 15:50:21 +05:30 committed by Mark Brown
parent 073512336e
commit 16fbcc3b11
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/core.c
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@ -148,7 +148,7 @@ static struct device_node *of_get_regulator(struct device *dev, const char *supp
regnode = of_parse_phandle(dev->of_node, prop_name, 0);
if (!regnode) {
dev_warn(dev, "%s property in node %s references invalid phandle",
dev_dbg(dev, "Looking up %s property in node %s failed",
prop_name, dev->of_node->full_name);
return NULL;
}