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path: root/drivers/regulator/pv88080-regulator.c
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Diffstat (limited to 'drivers/regulator/pv88080-regulator.c')
-rw-r--r--drivers/regulator/pv88080-regulator.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/regulator/pv88080-regulator.c b/drivers/regulator/pv88080-regulator.c
index bdddacdbeb99..a444f68af1a8 100644
--- a/drivers/regulator/pv88080-regulator.c
+++ b/drivers/regulator/pv88080-regulator.c
@@ -1,17 +1,7 @@
-/*
- * pv88080-regulator.c - Regulator device driver for PV88080
- * Copyright (C) 2016 Powerventure Semiconductor Ltd.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// pv88080-regulator.c - Regulator device driver for PV88080
+// Copyright (C) 2016 Powerventure Semiconductor Ltd.
#include <linux/err.h>
#include <linux/i2c.h>
@@ -345,9 +335,11 @@ static irqreturn_t pv88080_irq_handler(int irq, void *data)
if (reg_val & PV88080_E_VDD_FLT) {
for (i = 0; i < PV88080_MAX_REGULATORS; i++) {
if (chip->rdev[i] != NULL) {
+ regulator_lock(chip->rdev[i]);
regulator_notifier_call_chain(chip->rdev[i],
REGULATOR_EVENT_UNDER_VOLTAGE,
NULL);
+ regulator_unlock(chip->rdev[i]);
}
}
@@ -362,9 +354,11 @@ static irqreturn_t pv88080_irq_handler(int irq, void *data)
if (reg_val & PV88080_E_OVER_TEMP) {
for (i = 0; i < PV88080_MAX_REGULATORS; i++) {
if (chip->rdev[i] != NULL) {
+ regulator_lock(chip->rdev[i]);
regulator_notifier_call_chain(chip->rdev[i],
REGULATOR_EVENT_OVER_TEMP,
NULL);
+ regulator_unlock(chip->rdev[i]);
}
}