On Sun, Oct 16, 2016 at 6:41 AM, Jonathan Cameron <jic23@xxxxxxxxxx> wrote: > On 15/10/16 19:04, Matt Ranostay wrote: >> Remove pm_runtime_mark_last_busy() call that wasn't need in the probe >> since the device should be put to sleep >> >> Signed-off-by: Matt Ranostay <matt@ranostay.consulting> > Hi Matt, > > I don't really follow what you are addressing here. > Is the point that without this call it will suspend immediately? > I could figure this out from the pm docs based on a quick skim > read. > > Or is it simply that the pm_runtime_idle call following it > will suspend immediately whatever this value contains? Basically it going to be suspended once pm_runtime_idle() is called, and setting the last busy is useless and not needed. Clearly this doesn't affect the device running but just makes the code more consistent with other uses. > > > Jonathan >> --- >> drivers/iio/proximity/pulsedlight-lidar-lite-v2.c | 2 -- >> 1 file changed, 2 deletions(-) >> >> diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c >> index 3141c3c161bb..1fa9eefa0982 100644 >> --- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c >> +++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c >> @@ -301,8 +301,6 @@ static int lidar_probe(struct i2c_client *client, >> if (ret) >> goto error_unreg_buffer; >> pm_runtime_enable(&client->dev); >> - >> - pm_runtime_mark_last_busy(&client->dev); >> pm_runtime_idle(&client->dev); >> >> return 0; >> > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html