Hi Mikhail, Thank you for the patch. On Mon, Dec 11, 2023 at 08:50:11PM +0300, Mikhail Rudenko wrote: > As the sensor may be accessible right after its async sub-device is > registered, enable runtime PM before doing so. While at it, could you also switch to runtime PM autosuspend, possibly in a separate patch ? See for instance the imx290 driver. > Signed-off-by: Mikhail Rudenko <mike.rudenko@xxxxxxxxx> > --- > drivers/media/i2c/ov4689.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c > index 2eef64cd0070..ba33b0ced532 100644 > --- a/drivers/media/i2c/ov4689.c > +++ b/drivers/media/i2c/ov4689.c > @@ -874,16 +874,16 @@ static int ov4689_probe(struct i2c_client *client) > goto err_clean_entity; > } > > + pm_runtime_set_active(dev); > + pm_runtime_enable(dev); > + pm_runtime_idle(dev); > + > ret = v4l2_async_register_subdev_sensor(sd); > if (ret) { > dev_err(dev, "v4l2 async register subdev failed\n"); > goto err_clean_subdev; Don't you need to disable runtime PM in the error path ? > } > > - pm_runtime_set_active(dev); > - pm_runtime_enable(dev); > - pm_runtime_idle(dev); > - > return 0; > > err_clean_subdev: -- Regards, Laurent Pinchart