Re: [PATCH v2] media: i2c: rdacm2x: properly set subdev entity function

From: Kieran Bingham
Date: Wed Mar 09 2022 - 10:04:38 EST


Quoting Laurentiu Palcu (2022-03-09 11:55:06)
> The subdevice entity function was left unset, which produces a warning
> when probing the device:
>
> mxc-md bus@58000000:camera: Entity type for entity rdacm20 19-0051 was
> not initialized!
>
> This patch will set entity function to MEDIA_ENT_F_CAM_SENSOR and leave
> flags unset.
>
> Fixes: 34009bffc1c6 ("media: i2c: Add RDACM20 driver")
> Fixes: a59f853b3b4b ("media: i2c: Add driver for RDACM21 camera module")

Ohh, I've never seen a use case for two fixes tags before.
I don't think this requires two patches to implement the fix though.

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

> Signed-off-by: Laurentiu Palcu <laurentiu.palcu@xxxxxxxxxxx>
> ---
> Changes in v2:
> * leave entity flags unset;
>
> Cheers,
> Laurentiu
>
> drivers/media/i2c/rdacm20.c | 2 +-
> drivers/media/i2c/rdacm21.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/i2c/rdacm20.c b/drivers/media/i2c/rdacm20.c
> index 025a610de893..9c6f66cab564 100644
> --- a/drivers/media/i2c/rdacm20.c
> +++ b/drivers/media/i2c/rdacm20.c
> @@ -611,7 +611,7 @@ static int rdacm20_probe(struct i2c_client *client)
> goto error_free_ctrls;
>
> dev->pad.flags = MEDIA_PAD_FL_SOURCE;
> - dev->sd.entity.flags |= MEDIA_ENT_F_CAM_SENSOR;
> + dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
> ret = media_entity_pads_init(&dev->sd.entity, 1, &dev->pad);
> if (ret < 0)
> goto error_free_ctrls;
> diff --git a/drivers/media/i2c/rdacm21.c b/drivers/media/i2c/rdacm21.c
> index 12ec5467ed1e..ef31cf5f23ca 100644
> --- a/drivers/media/i2c/rdacm21.c
> +++ b/drivers/media/i2c/rdacm21.c
> @@ -583,7 +583,7 @@ static int rdacm21_probe(struct i2c_client *client)
> goto error_free_ctrls;
>
> dev->pad.flags = MEDIA_PAD_FL_SOURCE;
> - dev->sd.entity.flags |= MEDIA_ENT_F_CAM_SENSOR;
> + dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
> ret = media_entity_pads_init(&dev->sd.entity, 1, &dev->pad);
> if (ret < 0)
> goto error_free_ctrls;
> --
> 2.17.1
>