Re: [PATCH v5 05/15] iio: sx9310: Change from .probe to .probe_new

Jonathan Cameron
2020-08-06T18:39:34Z

On Mon, 3 Aug 2020 17:58:05 -0600
Daniel Campello <campello@chromium.org> wrote:

> Uses .probe_new in place of .probe. Also uses device_get_match_data()
> for whoami matching.
>
> Signed-off-by: Daniel Campello <campello@chromium.org>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Applied,

Thanks,

Jonathan

> ---
>
> Changes in v5: None
> Changes in v4: None
> Changes in v3: None
> Changes in v2:
> - Added '\n' to dev_err()
>
> drivers/iio/proximity/sx9310.c | 39 ++++++++++++----------------------
> 1 file changed, 14 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c
> index 9daf2b8591a0a0..66ecdd309e0ddc 100644
> --- a/drivers/iio/proximity/sx9310.c
> +++ b/drivers/iio/proximity/sx9310.c
> @@ -139,7 +139,7 @@ struct sx9310_data {
> struct completion completion;
> unsigned int chan_read, chan_event;
> int channel_users[SX9310_NUM_CHANNELS];
> - int whoami;
> + unsigned int whoami;
> };
>
> static const struct iio_event_spec sx9310_events[] = {
> @@ -858,24 +858,15 @@ static int sx9310_init_device(struct iio_dev *indio_dev)
>
> static int sx9310_set_indio_dev_name(struct device *dev,
> struct iio_dev *indio_dev,
> - const struct i2c_device_id *id, int whoami)
> + unsigned int whoami)
> {
> - const struct acpi_device_id *acpi_id;
> -
> - /* id will be NULL when enumerated via ACPI */
> - if (id) {
> - if (id->driver_data != whoami)
> - dev_err(dev, "WHOAMI does not match i2c_device_id: %s",
> - id->name);
> - } else if (ACPI_HANDLE(dev)) {
> - acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
> - if (!acpi_id)
> - return -ENODEV;
> - if (acpi_id->driver_data != whoami)
> - dev_err(dev, "WHOAMI does not match acpi_device_id: %s",
> - acpi_id->id);
> - } else
> + unsigned int long ddata;
> +
> + ddata = (uintptr_t)device_get_match_data(dev);
> + if (ddata != whoami) {
> + dev_err(dev, "WHOAMI does not match device data: %u\n", whoami);
> return -ENODEV;
> + }
>
> switch (whoami) {
> case SX9310_WHOAMI_VALUE:
> @@ -885,15 +876,14 @@ static int sx9310_set_indio_dev_name(struct device *dev,
> indio_dev->name = "sx9311";
> break;
> default:
> - dev_err(dev, "unexpected WHOAMI response: %u", whoami);
> + dev_err(dev, "unexpected WHOAMI response: %u\n", whoami);
> return -ENODEV;
> }
>
> return 0;
> }
>
> -static int sx9310_probe(struct i2c_client *client,
> - const struct i2c_device_id *id)
> +static int sx9310_probe(struct i2c_client *client)
> {
> int ret;
> struct iio_dev *indio_dev;
> @@ -919,8 +909,7 @@ static int sx9310_probe(struct i2c_client *client,
> return ret;
> }
>
> - ret = sx9310_set_indio_dev_name(&client->dev, indio_dev, id,
> - data->whoami);
> + ret = sx9310_set_indio_dev_name(&client->dev, indio_dev, data->whoami);
> if (ret < 0)
> return ret;
>
> @@ -1033,8 +1022,8 @@ static const struct acpi_device_id sx9310_acpi_match[] = {
> MODULE_DEVICE_TABLE(acpi, sx9310_acpi_match);
>
> static const struct of_device_id sx9310_of_match[] = {
> - { .compatible = "semtech,sx9310" },
> - { .compatible = "semtech,sx9311" },
> + { .compatible = "semtech,sx9310", (void *)SX9310_WHOAMI_VALUE },
> + { .compatible = "semtech,sx9311", (void *)SX9311_WHOAMI_VALUE },
> {},
> };
> MODULE_DEVICE_TABLE(of, sx9310_of_match);
> @@ -1053,7 +1042,7 @@ static struct i2c_driver sx9310_driver = {
> .of_match_table = sx9310_of_match,
> .pm = &sx9310_pm_ops,
> },
> - .probe = sx9310_probe,
> + .probe_new = sx9310_probe,
> .id_table = sx9310_id,
> };
> module_i2c_driver(sx9310_driver);