Em Sun, 9 May 2021 12:33:44 +0100 Jonathan Cameron <jic23@xxxxxxxxxx> escreveu: > From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > > Found using coccicheck script under review at: > https://lore.kernel.org/lkml/20210427141946.2478411-1-Julia.Lawall@xxxxxxxx/ > > As pm_runtime_resume_and_get() returns <= 0 take advantage of that to > change the error checking to if (ret) which is more in keeping with the > rest of this driver. > > This is a prequel to taking a closer look at the runtime pm in IIO drivers > in general. > > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > Cc: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx> Same case as patch 17: this driver also seems to have an extra (unbalanced?) call to pm_runtime_disable() at remove(). > --- > drivers/iio/chemical/atlas-sensor.c | 12 ++++-------- > 1 file changed, 4 insertions(+), 8 deletions(-) > > diff --git a/drivers/iio/chemical/atlas-sensor.c b/drivers/iio/chemical/atlas-sensor.c > index d10f921b233a..90bb3f5bff19 100644 > --- a/drivers/iio/chemical/atlas-sensor.c > +++ b/drivers/iio/chemical/atlas-sensor.c > @@ -410,11 +410,9 @@ static int atlas_buffer_postenable(struct iio_dev *indio_dev) > struct atlas_data *data = iio_priv(indio_dev); > int ret; > > - ret = pm_runtime_get_sync(&data->client->dev); > - if (ret < 0) { > - pm_runtime_put_noidle(&data->client->dev); > + ret = pm_runtime_resume_and_get(&data->client->dev); > + if (ret) > return ret; > - } > > return atlas_set_interrupt(data, true); > } > @@ -487,11 +485,9 @@ static int atlas_read_measurement(struct atlas_data *data, int reg, __be32 *val) > int suspended = pm_runtime_suspended(dev); > int ret; > > - ret = pm_runtime_get_sync(dev); > - if (ret < 0) { > - pm_runtime_put_noidle(dev); > + ret = pm_runtime_resume_and_get(dev); > + if (ret) > return ret; > - } > > if (suspended) > msleep(data->chip->delay); Thanks, Mauro
