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Commit 15a7e9b3 authored by David Collins's avatar David Collins
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regulator: rpmh-regulator: add support for proxy consumers 



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

Change-Id: Ic5f4ef7369584433b0a187f966d2d5f379b98cb6
Signed-off-by: default avatarDavid Collins <collinsd@codeaurora.org>
parent 9484c331

drivers/regulator/rpmh-regulator.c

+8 −1
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/regulator/driver.h>

#include <linux/regulator/machine.h>

#include <linux/regulator/of_regulator.h>

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



#include <soc/qcom/cmd-db.h>

#include <soc/qcom/rpmh.h>
@@ -1805,12 +1806,17 @@ static int rpmh_regulator_init_vreg(struct rpmh_vreg *vreg) 
		return rc;

	}



	rc = devm_regulator_proxy_consumer_register(dev, vreg->of_node);

	if (rc)

		vreg_err(vreg, "failed to register proxy consumer, rc=%d\n",

			rc);



	vreg_debug(vreg, "successfully registered; set=%s\n",

		vreg->set_active && vreg->set_sleep

			? "active + sleep"

			: vreg->set_active ? "active" : "sleep");



	return rc;

	return 0;

}



static const struct of_device_id rpmh_regulator_match_table[] = {
@@ -1972,6 +1978,7 @@ static struct platform_driver rpmh_regulator_driver = { 
	.driver = {

		.name		= "qcom,rpmh-regulator",

		.of_match_table	= rpmh_regulator_match_table,

		.sync_state	= regulator_proxy_consumer_sync_state,

	},

	.probe = rpmh_regulator_probe,

};