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path: root/drivers/regulator/wm831x-ldo.c
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Diffstat (limited to 'drivers/regulator/wm831x-ldo.c')
-rw-r--r--drivers/regulator/wm831x-ldo.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index e4a6f888484e..fcd038e7cd80 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -51,9 +51,11 @@ static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data)
{
struct wm831x_ldo *ldo = data;
+ regulator_lock(ldo->regulator);
regulator_notifier_call_chain(ldo->regulator,
REGULATOR_EVENT_UNDER_VOLTAGE,
NULL);
+ regulator_unlock(ldo->regulator);
return IRQ_HANDLED;
}