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path: root/drivers/regulator/lp8755.c
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Diffstat (limited to 'drivers/regulator/lp8755.c')
-rw-r--r--drivers/regulator/lp8755.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/regulator/lp8755.c b/drivers/regulator/lp8755.c
index 14fd38807134..2e16a6ab491d 100644
--- a/drivers/regulator/lp8755.c
+++ b/drivers/regulator/lp8755.c
@@ -372,10 +372,13 @@ static irqreturn_t lp8755_irq_handler(int irq, void *data)
for (icnt = 0; icnt < LP8755_BUCK_MAX; icnt++)
if ((flag0 & (0x4 << icnt))
&& (pchip->irqmask & (0x04 << icnt))
- && (pchip->rdev[icnt] != NULL))
+ && (pchip->rdev[icnt] != NULL)) {
+ regulator_lock(pchip->rdev[icnt]);
regulator_notifier_call_chain(pchip->rdev[icnt],
LP8755_EVENT_PWR_FAULT,
NULL);
+ regulator_unlock(pchip->rdev[icnt]);
+ }
/* read flag1 register */
ret = lp8755_read(pchip, 0x0E, &flag1);
@@ -389,18 +392,24 @@ static irqreturn_t lp8755_irq_handler(int irq, void *data)
/* send OCP event to all regulator devices */
if ((flag1 & 0x01) && (pchip->irqmask & 0x01))
for (icnt = 0; icnt < LP8755_BUCK_MAX; icnt++)
- if (pchip->rdev[icnt] != NULL)
+ if (pchip->rdev[icnt] != NULL) {
+ regulator_lock(pchip->rdev[icnt]);
regulator_notifier_call_chain(pchip->rdev[icnt],
LP8755_EVENT_OCP,
NULL);
+ regulator_unlock(pchip->rdev[icnt]);
+ }
/* send OVP event to all regulator devices */
if ((flag1 & 0x02) && (pchip->irqmask & 0x02))
for (icnt = 0; icnt < LP8755_BUCK_MAX; icnt++)
- if (pchip->rdev[icnt] != NULL)
+ if (pchip->rdev[icnt] != NULL) {
+ regulator_lock(pchip->rdev[icnt]);
regulator_notifier_call_chain(pchip->rdev[icnt],
LP8755_EVENT_OVP,
NULL);
+ regulator_unlock(pchip->rdev[icnt]);
+ }
return IRQ_HANDLED;
err_i2c: