From: Tomeu Vizoso <tomeu.vizoso@collabora.com>
To: linux-arm-kernel@lists.infradead.org
Cc: =?UTF-8?q?St=C3=A9phane=20Marchesin?= 
	<stephane.marchesin@gmail.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Alexander Holler <holler@ahsoftware.de>,
        Grant Likely <grant.likely@linaro.org>,
        Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
        Tomeu Vizoso <tomeu.vizoso@collabora.com>,
        Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>,
        linux-kernel@vger.kernel.org
Subject: [PATCH 10/21] regulator: core: Probe regulators on demand
Date: Mon, 25 May 2015 16:53:14 +0200
Message-Id: <1432565608-26036-11-git-send-email-tomeu.vizoso@collabora.com>
In-Reply-To: <1432565608-26036-1-git-send-email-tomeu.vizoso@collabora.com>
References: <1432565608-26036-1-git-send-email-tomeu.vizoso@collabora.com>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1219
Lines: 36

When looking up a regulator through its DT node, ensure that the
corresponding device has been registered.

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 50f4404..3ac44fe 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_platform.h>
 #include <linux/regmap.h>
 #include <linux/regulator/of_regulator.h>
 #include <linux/regulator/consumer.h>
@@ -1286,6 +1287,7 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev,
 	if (dev && dev->of_node) {
 		node = of_get_regulator(dev, supply);
 		if (node) {
+			of_platform_device_ensure(node);
 			mutex_lock(&regulator_list_mutex);
 			list_for_each_entry(r, &regulator_list, list)
 				if (r->dev.parent &&
-- 
2.4.1

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