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Groups > linux.kernel > #1201788

[PATCH v3 06/18] regulator: core: Probe regulators on demand

From Tomeu Vizoso <tomeu.vizoso@collabora.com>
Newsgroups linux.kernel
Subject [PATCH v3 06/18] regulator: core: Probe regulators on demand
Date 2015-08-06 16:30 +0200
Message-ID <pUulb-367-11@gated-at.bofh.it> (permalink)
References <pUubv-2Ur-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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>
---

Changes in v3: None
Changes in v2: None

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

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 5f6c76142b08..73ac9fb07f96 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>
@@ -1336,6 +1337,7 @@ 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_probe(node);
 			mutex_lock(&regulator_list_mutex);
 			list_for_each_entry(r, &regulator_list, list)
 				if (r->dev.parent &&
-- 
2.4.3

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Thread

[PATCH v3 06/18] regulator: core: Probe regulators on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-08-06 16:30 +0200
  Re: [PATCH v3 06/18] regulator: core: Probe regulators on demand Mark Brown <broonie@kernel.org> - 2015-08-07 14:10 +0200
    Re: [PATCH v3 06/18] regulator: core: Probe regulators on demand Rob Herring <robherring2@gmail.com> - 2015-08-07 16:00 +0200

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