On Fri, 22 May 2020 10:08:01 +0300
Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> wrote:
> We may want to get rid of the iio_priv_to_dev() helper. That's a bit
> uncertain at this point. The reason is that we will hide some of the
> members of the iio_dev structure (to prevent drivers from accessing them
> directly), and that will also mean hiding the implementation of the
> iio_priv_to_dev() helper inside the IIO core.
>
> Hiding the implementation of iio_priv_to_dev() implies that some fast-paths
> may not be fast anymore, so a general idea is to try to get rid of the
> iio_priv_to_dev() altogether.
>
> For this driver, it implies passing the IIO device on the i2c client
> private data. The implementation of iio_priv() will not be affected by the
> rework/hiding of iio_priv_to_dev().
>
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
Applied. Thanks,
J
> ---
> drivers/iio/light/tsl2563.c | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c
> index 27a5c28aac7f..2987a7a79a97 100644
> --- a/drivers/iio/light/tsl2563.c
> +++ b/drivers/iio/light/tsl2563.c
> @@ -713,7 +713,7 @@ static int tsl2563_probe(struct i2c_client *client,
>
> chip = iio_priv(indio_dev);
>
> - i2c_set_clientdata(client, chip);
> + i2c_set_clientdata(client, indio_dev);
> chip->client = client;
>
> err = tsl2563_detect(chip);
> @@ -797,8 +797,8 @@ static int tsl2563_probe(struct i2c_client *client,
>
> static int tsl2563_remove(struct i2c_client *client)
> {
> - struct tsl2563_chip *chip = i2c_get_clientdata(client);
> - struct iio_dev *indio_dev = iio_priv_to_dev(chip);
> + struct iio_dev *indio_dev = i2c_get_clientdata(client);
> + struct tsl2563_chip *chip = iio_priv(indio_dev);
>
> iio_device_unregister(indio_dev);
> if (!chip->int_enabled)
> @@ -816,7 +816,8 @@ static int tsl2563_remove(struct i2c_client *client)
> #ifdef CONFIG_PM_SLEEP
> static int tsl2563_suspend(struct device *dev)
> {
> - struct tsl2563_chip *chip = i2c_get_clientdata(to_i2c_client(dev));
> + struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
> + struct tsl2563_chip *chip = iio_priv(indio_dev);
> int ret;
>
> mutex_lock(&chip->lock);
> @@ -834,7 +835,8 @@ static int tsl2563_suspend(struct device *dev)
>
> static int tsl2563_resume(struct device *dev)
> {
> - struct tsl2563_chip *chip = i2c_get_clientdata(to_i2c_client(dev));
> + struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
> + struct tsl2563_chip *chip = iio_priv(indio_dev);
> int ret;
>
> mutex_lock(&chip->lock);
