Hi Robert,
Thanks for the patch.
On Sun, 15 Jun 2014, Robert Jarzmik wrote:
> Add device-tree support for mt9m111 camera sensor.
>
> Signed-off-by: Robert Jarzmik <robert.jarz...@free.fr>
> ---
> drivers/media/i2c/soc_camera/mt9m111.c | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/drivers/media/i2c/soc_camera/mt9m111.c
> b/drivers/media/i2c/soc_camera/mt9m111.c
> index ccf5940..7d283ea 100644
> --- a/drivers/media/i2c/soc_camera/mt9m111.c
> +++ b/drivers/media/i2c/soc_camera/mt9m111.c
> @@ -923,6 +923,12 @@ done:
> return ret;
> }
>
> +static int of_get_mt9m111_platform_data(struct device *dev,
> + struct soc_camera_subdev_desc *desc)
> +{
> + return 0;
> +}
Why do you need this function? I would just drop it.
> +
> static int mt9m111_probe(struct i2c_client *client,
> const struct i2c_device_id *did)
> {
> @@ -931,6 +937,15 @@ static int mt9m111_probe(struct i2c_client *client,
> struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
> int ret;
>
> + if (client->dev.of_node) {
> + ssdd = devm_kzalloc(&client->dev, sizeof(*ssdd), GFP_KERNEL);
> + if (!ssdd)
> + return -ENOMEM;
> + client->dev.platform_data = ssdd;
> + ret = of_get_mt9m111_platform_data(&client->dev, ssdd);
> + if (ret < 0)
> + return ret;
> + }
> if (!ssdd) {
> dev_err(&client->dev, "mt9m111: driver needs platform data\n");
> return -EINVAL;
> @@ -1015,6 +1030,11 @@ static int mt9m111_remove(struct i2c_client *client)
>
> return 0;
> }
> +static const struct of_device_id mt9m111_of_match[] = {
> + { .compatible = "micron,mt9m111", },
Not a flaw in this patch, but someone might want to add "micron" to
Documentation/devicetree/bindings/vendor-prefixes.txt
> + {},
> +};
> +MODULE_DEVICE_TABLE(of, mt9m111_of_match);
>
> static const struct i2c_device_id mt9m111_id[] = {
> { "mt9m111", 0 },
> @@ -1025,6 +1045,7 @@ MODULE_DEVICE_TABLE(i2c, mt9m111_id);
> static struct i2c_driver mt9m111_i2c_driver = {
> .driver = {
> .name = "mt9m111",
> + .of_match_table = of_match_ptr(mt9m111_of_match),
> },
> .probe = mt9m111_probe,
> .remove = mt9m111_remove,
> --
> 2.0.0.rc2
>
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