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[v2,10/22] regulator: core: Probe regulators on demand

Message ID 1438089593-7696-11-git-send-email-tomeu.vizoso@collabora.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tomeu Vizoso July 28, 2015, 1:19 p.m. UTC
When looking up a regulator through its firmware 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>
---

Changes in v2: None

 drivers/regulator/core.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 65a3f28d452c..568f095df351 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1336,6 +1336,7 @@  static struct regulator_dev *regulator_dev_lookup(struct device *dev,
 	if (dev && dev->of_node) {
 		node = of_get_regulator(dev, supply);
 		if (node) {
+			fwnode_ensure_device(&node->fwnode);
 			mutex_lock(&regulator_list_mutex);
 			list_for_each_entry(r, &regulator_list, list)
 				if (r->dev.parent &&