On Wed, 02 Apr 2025 21:33:26 +0200
David Heidelberg via B4 Relay <devnull+david.ixit.cz@kernel.org> wrote:
> From: David Heidelberg <david@ixit.cz>
>
> If regmap_write() fails in al3320a_init(), al3320a_set_pwr_off is
> not called.
>
> In order to avoid such a situation, move the devm_add_action_or_reset()
> which calls al3320a_set_pwr_off right after a successful
> al3320a_set_pwr_on.
>
> Signed-off-by: David Heidelberg <david@ixit.cz>
> ---
> drivers/iio/light/al3320a.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c
> index 1b2b0359ed5dad5e00d2fe584f8f3495c13c997e..1fa693d54ae2a6e5ead3a9c7ac7018afeba9b760 100644
> --- a/drivers/iio/light/al3320a.c
> +++ b/drivers/iio/light/al3320a.c
> @@ -101,6 +101,12 @@ static int al3320a_init(struct al3320a_data *data)
> if (ret < 0)
> return ret;
>
> + ret = devm_add_action_or_reset(&data->client->dev,
> + al3320a_set_pwr_off,
> + data);
> + if (ret)
> + return dev_err_probe(&data->client->dev, ret, "failed to add action\n");
This one I'll drop whilst applying given we are adding a message with little
purpose (or chance of occurring) rather than moving one as we were in patch 2.
I've applied up to this patch with those tweaks. I might well pick up the others but
not looked closely at them yet!
> +
> ret = i2c_smbus_write_byte_data(data->client, AL3320A_REG_CONFIG_RANGE,
> FIELD_PREP(AL3320A_GAIN_MASK,
> AL3320A_RANGE_3));
> @@ -211,10 +217,6 @@ static int al3320a_probe(struct i2c_client *client)
> return ret;
> }
>
> - ret = devm_add_action_or_reset(dev, al3320a_set_pwr_off, data);
> - if (ret < 0)
> - return ret;
> -
> return devm_iio_device_register(dev, indio_dev);
> }
>
>