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From: Tomeu Vizoso <tomeu.vizoso@collabora.com>
To: linux-kernel@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>, Stephen Warren <swarren@wwwdotorg.org>,
        Javier Martinez Canillas <javier@osg.samsung.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Mark Brown <broonie@kernel.org>,
        Thierry Reding <thierry.reding@gmail.com>,
        Alan Stern <stern@rowland.harvard.edu>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        linux-arm-kernel@lists.infradead.org,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        devicetree@vger.kernel.org, Linus Walleij <linus.walleij@linaro.org>,
        linux-acpi@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
        Tomeu Vizoso <tomeu.vizoso@collabora.com>
Subject: [PATCH v6 08/22] regulator: core: Probe regulators on demand
Date: Mon, 21 Sep 2015 16:02:48 +0200
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When looking up a regulator through its OF node, probe it if it hasn't
already.

The goal is to reduce deferred probes to a minimum, as it makes it very
cumbersome to find out why a device failed to probe, and can introduce
very big delays in when a critical device is probed.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
---


 drivers/regulator/core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index af045e5a83ef..a6ed657c691b 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -26,6 +26,7 @@
 #include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/regmap.h>
 #include <linux/regulator/of_regulator.h>
 #include <linux/regulator/consumer.h>
@@ -1382,6 +1383,7 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev,
 	if (dev && dev->of_node) {
 		node = of_get_regulator(dev, supply);
 		if (node) {
+			of_device_probe(node);
 			r = of_find_regulator_by_node(node);
 			if (r)
 				return r;
-- 
2.4.3