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authorMichał Mirosław <mirq-linux@rere.qmqm.pl>2020-08-10 06:33:32 +0200
committerMark Brown <broonie@kernel.org>2020-09-07 18:35:25 +0100
commite9c142b0d2c08178a9e146d47d8fe397373bda3e (patch)
tree02f3ef2859f7d0e6cae992c3c340f6ce636c897a /drivers/regulator/lp8755.c
parent3bca239d6184df61a619d78764e0481242d844b4 (diff)
regulator: remove locking around regulator_notifier_call_chain()
regulator_notifier_call_chain() doesn't need rdev lock and rdev's existence is assumed in the code anyway. Remove the locks from drivers. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Link: https://lore.kernel.org/r/42393f66dcc4d80dcd9797be45216b4035aa96cb.1597032945.git.mirq-linux@rere.qmqm.pl Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/lp8755.c')
-rw-r--r--drivers/regulator/lp8755.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/regulator/lp8755.c b/drivers/regulator/lp8755.c
index 8cc9963023f2..13c535711265 100644
--- a/drivers/regulator/lp8755.c
+++ b/drivers/regulator/lp8755.c
@@ -329,11 +329,9 @@ static irqreturn_t lp8755_irq_handler(int irq, void *data)
if ((flag0 & (0x4 << icnt))
&& (pchip->irqmask & (0x04 << icnt))
&& (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 */
@@ -349,22 +347,18 @@ static irqreturn_t lp8755_irq_handler(int irq, void *data)
if ((flag1 & 0x01) && (pchip->irqmask & 0x01))
for (icnt = 0; icnt < LP8755_BUCK_MAX; icnt++)
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) {
- regulator_lock(pchip->rdev[icnt]);
regulator_notifier_call_chain(pchip->rdev[icnt],
LP8755_EVENT_OVP,
NULL);
- regulator_unlock(pchip->rdev[icnt]);
}
return IRQ_HANDLED;