diff options
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 2eab56df042e..53b2b2d3746f 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2742,6 +2742,13 @@ static int regulator_ena_gpio_request(struct regulator_dev *rdev, mutex_lock(®ulator_list_mutex); + if (gpiod_is_shared(gpiod)) + /* + * The sharing of this GPIO pin is managed internally by + * GPIOLIB. We don't need to keep track of its enable count. + */ + goto skip_compare; + list_for_each_entry(pin, ®ulator_ena_gpio_list, list) { if (gpiod_is_equal(pin->gpiod, gpiod)) { rdev_dbg(rdev, "GPIO is already used\n"); @@ -2754,6 +2761,7 @@ static int regulator_ena_gpio_request(struct regulator_dev *rdev, return -ENOMEM; } +skip_compare: pin = new_pin; new_pin = NULL; |