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Commit 52b84dac authored by AnilKumar Ch's avatar AnilKumar Ch Committed by Mark Brown
Browse files

regulator: core: Try using the parent device for the default regmap 



If the device doesn't have a regmap specified by the driver and we can't
find one on the device itself try its parent, providing a useful defualt
for many MFDs.

[Rewrite commit message -- broonie]

Signed-off-by: default avatarAnilKumar Ch <anilkumar@ti.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 2b5a24a0

drivers/regulator/core.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -3202,8 +3202,10 @@ regulator_register(const struct regulator_desc *regulator_desc, 
	rdev->desc = regulator_desc;

	rdev->desc = regulator_desc;

	if (config->regmap)

	if (config->regmap)

		rdev->regmap = config->regmap;

		rdev->regmap = config->regmap;

	else

	else if (dev_get_regmap(dev, NULL))

		rdev->regmap = dev_get_regmap(dev, NULL);

		rdev->regmap = dev_get_regmap(dev, NULL);

	else if (dev->parent)

		rdev->regmap = dev_get_regmap(dev->parent, NULL);

	INIT_LIST_HEAD(&rdev->consumer_list);

	INIT_LIST_HEAD(&rdev->consumer_list);

	INIT_LIST_HEAD(&rdev->list);

	INIT_LIST_HEAD(&rdev->list);

	BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier);

	BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier);