Re: [PATCH 6/6] iio: light: tsl2563: Use devm_* APIs

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On Tue, Jul 30, 2013 at 2:14 PM, Sachin Kamat <sachin.kamat@xxxxxxxxxx> wrote:
> devm_* APIs are device managed and make code simpler.
>
> Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
> Cc: Amit Kucheria <amit.kucheria@xxxxxxxxxx>

Looks good. I don't have the device to test this on, though.

Reviewed-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx>

> ---
>  drivers/iio/light/tsl2563.c |   25 ++++++++-----------------
>  1 file changed, 8 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c
> index 1f529f3..ebb962c 100644
> --- a/drivers/iio/light/tsl2563.c
> +++ b/drivers/iio/light/tsl2563.c
> @@ -702,7 +702,7 @@ static int tsl2563_probe(struct i2c_client *client,
>         int err = 0;
>         u8 id = 0;
>
> -       indio_dev = iio_device_alloc(sizeof(*chip));
> +       indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
>         if (!indio_dev)
>                 return -ENOMEM;
>
> @@ -714,13 +714,13 @@ static int tsl2563_probe(struct i2c_client *client,
>         err = tsl2563_detect(chip);
>         if (err) {
>                 dev_err(&client->dev, "detect error %d\n", -err);
> -               goto fail1;
> +               return err;
>         }
>
>         err = tsl2563_read_id(chip, &id);
>         if (err) {
>                 dev_err(&client->dev, "read id error %d\n", -err);
> -               goto fail1;
> +               return err;
>         }
>
>         mutex_init(&chip->lock);
> @@ -751,7 +751,7 @@ static int tsl2563_probe(struct i2c_client *client,
>                 indio_dev->info = &tsl2563_info_no_irq;
>
>         if (client->irq) {
> -               err = request_threaded_irq(client->irq,
> +               err = devm_request_threaded_irq(&client->dev, client->irq,
>                                            NULL,
>                                            &tsl2563_event_handler,
>                                            IRQF_TRIGGER_RISING | IRQF_ONESHOT,
> @@ -759,14 +759,14 @@ static int tsl2563_probe(struct i2c_client *client,
>                                            indio_dev);
>                 if (err) {
>                         dev_err(&client->dev, "irq request error %d\n", -err);
> -                       goto fail1;
> +                       return err;
>                 }
>         }
>
>         err = tsl2563_configure(chip);
>         if (err) {
>                 dev_err(&client->dev, "configure error %d\n", -err);
> -               goto fail2;
> +               return err;
>         }
>
>         INIT_DELAYED_WORK(&chip->poweroff_work, tsl2563_poweroff_work);
> @@ -777,19 +777,14 @@ static int tsl2563_probe(struct i2c_client *client,
>         err = iio_device_register(indio_dev);
>         if (err) {
>                 dev_err(&client->dev, "iio registration error %d\n", -err);
> -               goto fail3;
> +               goto fail;
>         }
>
>         return 0;
>
> -fail3:
> +fail:
>         cancel_delayed_work(&chip->poweroff_work);
>         flush_scheduled_work();
> -fail2:
> -       if (client->irq)
> -               free_irq(client->irq, indio_dev);
> -fail1:
> -       iio_device_free(indio_dev);
>         return err;
>  }
>
> @@ -807,10 +802,6 @@ static int tsl2563_remove(struct i2c_client *client)
>                                   chip->intr);
>         flush_scheduled_work();
>         tsl2563_set_power(chip, 0);
> -       if (client->irq)
> -               free_irq(client->irq, indio_dev);
> -
> -       iio_device_free(indio_dev);
>
>         return 0;
>  }
> --
> 1.7.9.5
>
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