Em Sun, 9 May 2021 12:33:30 +0100
Jonathan Cameron <jic23@xxxxxxxxxx> escreveu:
> From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
>
> A call to pm_runtime_put_noidle() doesn't match any call that would
> result in a get(). It is safe because runtime pm core protects against
> the reference counter going 0, but it makes it harder to understand the
> code.
>
> Whilst here use pm_runtime_resume_and_get() to tidy things up.
> The Coccinelle script didn't get this one due to more complex code
> structure.
>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
LGTM.
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> ---
> drivers/iio/accel/bmc150-accel-core.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
> index 62a164a7b852..43cfadf8f6b7 100644
> --- a/drivers/iio/accel/bmc150-accel-core.c
> +++ b/drivers/iio/accel/bmc150-accel-core.c
> @@ -389,7 +389,7 @@ static int bmc150_accel_set_power_state(struct bmc150_accel_data *data, bool on)
> int ret;
>
> if (on) {
> - ret = pm_runtime_get_sync(dev);
> + ret = pm_runtime_resume_and_get(dev);
> } else {
> pm_runtime_mark_last_busy(dev);
> ret = pm_runtime_put_autosuspend(dev);
> @@ -398,9 +398,6 @@ static int bmc150_accel_set_power_state(struct bmc150_accel_data *data, bool on)
> if (ret < 0) {
> dev_err(dev,
> "Failed: %s for %d\n", __func__, on);
> - if (on)
> - pm_runtime_put_noidle(dev);
> -
> return ret;
> }
>
> @@ -1836,7 +1833,6 @@ int bmc150_accel_core_remove(struct device *dev)
>
> pm_runtime_disable(dev);
> pm_runtime_set_suspended(dev);
> - pm_runtime_put_noidle(dev);
>
> bmc150_accel_unregister_triggers(data, BMC150_ACCEL_TRIGGERS - 1);
>
Thanks,
Mauro
