diff options
Diffstat (limited to 'drivers/regulator/lp8755.c')
| -rw-r--r-- | drivers/regulator/lp8755.c | 15 |
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: |