On 15/03/17 04:44, Javier Martinez Canillas wrote:
> The driver doesn't have a struct of_device_id table but supported devices
> are registered via Device Trees. This is working on the assumption that a
> I2C device registered via OF will always match a legacy I2C device ID and
> that the MODALIAS reported will always be of the form i2c:<device>.
>
> But this could change in the future so the correct approach is to have an
> OF device ID table if the devices are registered via OF.
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
Applied.
> ---
>
> drivers/iio/accel/bma180.c | 24 ++++++++++++++++++++++--
> 1 file changed, 22 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
> index 0890934ef66f..e3f97757e72d 100644
> --- a/drivers/iio/accel/bma180.c
> +++ b/drivers/iio/accel/bma180.c
> @@ -18,6 +18,7 @@
> #include <linux/i2c.h>
> #include <linux/interrupt.h>
> #include <linux/delay.h>
> +#include <linux/of_device.h>
> #include <linux/of.h>
> #include <linux/bitops.h>
> #include <linux/slab.h>
> @@ -32,7 +33,7 @@
> #define BMA180_DRV_NAME "bma180"
> #define BMA180_IRQ_NAME "bma180_event"
>
> -enum {
> +enum chip_ids {
> BMA180,
> BMA250,
> };
> @@ -707,6 +708,7 @@ static int bma180_probe(struct i2c_client *client,
> {
> struct bma180_data *data;
> struct iio_dev *indio_dev;
> + enum chip_ids chip;
> int ret;
>
> indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
> @@ -716,7 +718,11 @@ static int bma180_probe(struct i2c_client *client,
> data = iio_priv(indio_dev);
> i2c_set_clientdata(client, indio_dev);
> data->client = client;
> - data->part_info = &bma180_part_info[id->driver_data];
> + if (client->dev.of_node)
> + chip = (enum chip_ids)of_device_get_match_data(&client->dev);
> + else
> + chip = id->driver_data;
> + data->part_info = &bma180_part_info[chip];
>
> ret = data->part_info->chip_config(data);
> if (ret < 0)
> @@ -844,10 +850,24 @@ static struct i2c_device_id bma180_ids[] = {
>
> MODULE_DEVICE_TABLE(i2c, bma180_ids);
>
> +static const struct of_device_id bma180_of_match[] = {
> + {
> + .compatible = "bosch,bma180",
> + .data = (void *)BMA180
> + },
> + {
> + .compatible = "bosch,bma250",
> + .data = (void *)BMA250
> + },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, bma180_of_match);
> +
> static struct i2c_driver bma180_driver = {
> .driver = {
> .name = "bma180",
> .pm = BMA180_PM_OPS,
> + .of_match_table = bma180_of_match,
> },
> .probe = bma180_probe,
> .remove = bma180_remove,
>
--
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
