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Commit 80759965 authored by David Collins's avatar David Collins
Browse files

regulator: fixed: add support for proxy consumers 



Add support to enforce proxy consumer requests defined in device
tree for fixed regulator devices.  These can be used to ensure
that regulators are not accidentally disabled before all consumers
have had a chance to make their own requests.

Change-Id: Ib971aae138897ded6cb4efd9a7eddc17d9a07f7f
Signed-off-by: default avatarDavid Collins <collinsd@codeaurora.org>
parent 15a7e9b3

drivers/regulator/fixed.c

+7 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/regulator/of_regulator.h>

#include <linux/regulator/proxy-consumer.h>

#include <linux/regulator/machine.h>

#include <linux/clk.h>
@@ -249,6 +250,11 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) 
		return ret;

	}



	ret = devm_regulator_proxy_consumer_register(dev, dev->of_node);

	if (ret)

		dev_err(dev, "failed to register proxy consumer, ret=%d\n",

			ret);



	platform_set_drvdata(pdev, drvdata);



	dev_dbg(&pdev->dev, "%s supplying %duV\n", drvdata->desc.name,
@@ -278,6 +284,7 @@ static struct platform_driver regulator_fixed_voltage_driver = { 
	.driver		= {

		.name		= "reg-fixed-voltage",

		.of_match_table = of_match_ptr(fixed_of_match),

		.sync_state	= regulator_proxy_consumer_sync_state,

	},

};