summaryrefslogtreecommitdiff
path: root/drivers/regulator/wm831x-dcdc.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2019-05-06 22:52:14 +0900
committerMark Brown <broonie@kernel.org>2019-05-06 22:52:14 +0900
commite2a23affe6a6a15111ae56edd7e4f3c9673ef201 (patch)
treea69d90bfe04ff687e8ccde00ddac9aea357e33e6 /drivers/regulator/wm831x-dcdc.c
parentc7b5128f72efc732be776569a862bb4169eb1dbc (diff)
parent498209445124920b365ef43aac93d6f1acbaa1b7 (diff)
Merge branch 'regulator-5.2' into regulator-next
Diffstat (limited to 'drivers/regulator/wm831x-dcdc.c')
-rw-r--r--drivers/regulator/wm831x-dcdc.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 12b422373580..b422eef97b77 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -1,15 +1,10 @@
-/*
- * wm831x-dcdc.c -- DC-DC buck convertor driver for the WM831x series
- *
- * Copyright 2009 Wolfson Microelectronics PLC.
- *
- * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
- *
- * 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.
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// wm831x-dcdc.c -- DC-DC buck converter driver for the WM831x series
+//
+// Copyright 2009 Wolfson Microelectronics PLC.
+//
+// Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -183,9 +178,11 @@ static irqreturn_t wm831x_dcdc_uv_irq(int irq, void *data)
{
struct wm831x_dcdc *dcdc = data;
+ regulator_lock(dcdc->regulator);
regulator_notifier_call_chain(dcdc->regulator,
REGULATOR_EVENT_UNDER_VOLTAGE,
NULL);
+ regulator_unlock(dcdc->regulator);
return IRQ_HANDLED;
}
@@ -194,9 +191,11 @@ static irqreturn_t wm831x_dcdc_oc_irq(int irq, void *data)
{
struct wm831x_dcdc *dcdc = data;
+ regulator_lock(dcdc->regulator);
regulator_notifier_call_chain(dcdc->regulator,
REGULATOR_EVENT_OVER_CURRENT,
NULL);
+ regulator_unlock(dcdc->regulator);
return IRQ_HANDLED;
}