diff mbox

[v7,07/20] regulator: core: Probe regulators on demand

Message ID 1443517859-30376-8-git-send-email-tomeu.vizoso@collabora.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tomeu Vizoso Sept. 29, 2015, 9:10 a.m. UTC 
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>
Acked-by: Mark Brown <broonie@kernel.org>
---


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

Patch

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 7a85ac9e32c5..ee75199c2cfa 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>
@@ -1340,6 +1341,7 @@  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);
 			list_for_each_entry(r, &regulator_list, list)
 				if (r->dev.parent &&
 					node == r->dev.of_node)