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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Marco Felsch <m.felsch@pengutronix.de>,
        Mark Brown <broonie@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 02/79] regulator: of: fix suspend-min/max-voltage parsing
Date:   Fri,  8 Nov 2019 19:49:42 +0100
Message-Id: <20191108174746.476200211@linuxfoundation.org>
In-Reply-To: <20191108174745.495640141@linuxfoundation.org>
References: <20191108174745.495640141@linuxfoundation.org>
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From: Marco Felsch <m.felsch@pengutronix.de>

[ Upstream commit 131cb1210d4b58acb0695707dad2eb90dcb50a2a ]

Currently the regulator-suspend-min/max-microvolt must be within the
root regulator node but the dt-bindings specifies it as subnode
properties for the regulator-state-[mem/disk/standby] node. The only DT
using this bindings currently is the at91-sama5d2_xplained.dts and this
DT uses it correctly. I don't know if it isn't tested but it can't work
without this fix.

Fixes: f7efad10b5c4 ("regulator: add PM suspend and resume hooks")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20190917154021.14693-3-m.felsch@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/regulator/of_regulator.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 210fc20f7de7a..b255590aef36e 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -214,12 +214,12 @@ static void of_get_regulation_constraints(struct device_node *np,
 					"regulator-off-in-suspend"))
 			suspend_state->enabled = DISABLE_IN_SUSPEND;
 
-		if (!of_property_read_u32(np, "regulator-suspend-min-microvolt",
-					  &pval))
+		if (!of_property_read_u32(suspend_np,
+				"regulator-suspend-min-microvolt", &pval))
 			suspend_state->min_uV = pval;
 
-		if (!of_property_read_u32(np, "regulator-suspend-max-microvolt",
-					  &pval))
+		if (!of_property_read_u32(suspend_np,
+				"regulator-suspend-max-microvolt", &pval))
 			suspend_state->max_uV = pval;
 
 		if (!of_property_read_u32(suspend_np,
-- 
2.20.1