Re: [PATCH V7 5/7] iio: adc: Update return value checks

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On Tue, Jun 23, 2020 at 10:31 AM Jishnu Prakash <jprakash@xxxxxxxxxxxxxx> wrote:
>
> Clean up some return value checks to make code more compact.
>

FWIW,
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

> Signed-off-by: Jishnu Prakash <jprakash@xxxxxxxxxxxxxx>
> ---
>  drivers/iio/adc/qcom-spmi-adc5.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
> index dcc7599..3022313 100644
> --- a/drivers/iio/adc/qcom-spmi-adc5.c
> +++ b/drivers/iio/adc/qcom-spmi-adc5.c
> @@ -301,7 +301,7 @@ static int adc5_configure(struct adc5_chip *adc,
>
>         /* Read registers 0x42 through 0x46 */
>         ret = adc5_read(adc, ADC5_USR_DIG_PARAM, buf, sizeof(buf));
> -       if (ret < 0)
> +       if (ret)
>                 return ret;
>
>         /* Digital param selection */
> @@ -388,7 +388,7 @@ static int adc5_do_conversion(struct adc5_chip *adc,
>
>         if (adc->poll_eoc) {
>                 ret = adc5_poll_wait_eoc(adc);
> -               if (ret < 0) {
> +               if (ret) {
>                         pr_err("EOC bit not set\n");
>                         goto unlock;
>                 }
> @@ -398,7 +398,7 @@ static int adc5_do_conversion(struct adc5_chip *adc,
>                 if (!ret) {
>                         pr_debug("Did not get completion timeout.\n");
>                         ret = adc5_poll_wait_eoc(adc);
> -                       if (ret < 0) {
> +                       if (ret) {
>                                 pr_err("EOC bit not set\n");
>                                 goto unlock;
>                         }
> @@ -516,8 +516,6 @@ static int adc5_read_raw(struct iio_dev *indio_dev,
>         default:
>                 return -EINVAL;
>         }
> -
> -       return 0;
>  }
>
>  static int adc7_read_raw(struct iio_dev *indio_dev,
> @@ -761,7 +759,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
>
>                 ret = adc5_read(adc, ADC5_USR_REVISION1, dig_version,
>                                                         sizeof(dig_version));
> -               if (ret < 0) {
> +               if (ret) {
>                         dev_err(dev, "Invalid dig version read %d\n", ret);
>                         return ret;
>                 }
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>


-- 
With Best Regards,
Andy Shevchenko



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