[PATCH 21/21] power-supply: Probe power supplies on demand

Tomeu Vizoso
2015-05-25T14:58:47Z

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

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
---
drivers/power/power_supply_core.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index 2ed4a4a..3dbfce8 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -17,6 +17,7 @@
#include <linux/device.h>
#include <linux/notifier.h>
#include <linux/err.h>
+#include <linux/of_platform.h>
#include <linux/power_supply.h>
#include <linux/thermal.h>
#include "power_supply.h"
@@ -180,6 +181,8 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node)
{
int error;

+ of_platform_device_ensure(supply_node);
+
/*
* class_for_each_device() either returns its own errors or values
* returned by __power_supply_find_supply_from_node().
--
2.4.1