Re: [PATCH 1/1] media: imx319: Enable runtime PM before registering async sub-device

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Quoting Sakari Ailus (2023-11-01 09:42:41)
> As the sensor may be accessible right after its async sub-device is
> registered, enable runtime PM before doing so.
> 

This sounds pretty reasonable to me.

Do we have any sort of cocci checks for these sort of things?

Reviewed-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>

> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> ---
>  drivers/media/i2c/imx319.c | 12 +++++++-----
>  1 file changed, 7 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/media/i2c/imx319.c b/drivers/media/i2c/imx319.c
> index 5378f607f340..f8bce161318d 100644
> --- a/drivers/media/i2c/imx319.c
> +++ b/drivers/media/i2c/imx319.c
> @@ -2464,19 +2464,21 @@ static int imx319_probe(struct i2c_client *client)
>                 goto error_handler_free;
>         }
>  
> -       ret = v4l2_async_register_subdev_sensor(&imx319->sd);
> -       if (ret < 0)
> -               goto error_media_entity;
> -
>         /* Set the device's state to active if it's in D0 state. */
>         if (full_power)
>                 pm_runtime_set_active(&client->dev);
>         pm_runtime_enable(&client->dev);
>         pm_runtime_idle(&client->dev);
>  
> +       ret = v4l2_async_register_subdev_sensor(&imx319->sd);
> +       if (ret < 0)
> +               goto error_media_entity_pm;
> +
>         return 0;
>  
> -error_media_entity:
> +error_media_entity_pm:
> +       pm_runtime_disable(&client->dev);
> +       pm_runtime_set_suspended(&client->dev);
>         media_entity_cleanup(&imx319->sd.entity);
>  
>  error_handler_free:
> -- 
> 2.39.2
>




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