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SubjectRe: [PATCH V3 4/4] iio: adc: Update error checks and debug prints
On Mon, 27 Apr 2020 18:54:05 +0530
Jishnu Prakash <jprakash@codeaurora.org> wrote:

> Change pr_err/pr_debug statements to dev_err/dev_dbg for
> increased clarity. Also clean up some return value checks.
>
> Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
I'm happy with the whole series. Just need a devicetree review before
applying.

Thanks,

Jonathan

> ---
> drivers/iio/adc/qcom-spmi-adc5.c | 30 +++++++++++++++---------------
> 1 file changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
> index a66eeb7..7e951a0 100644
> --- a/drivers/iio/adc/qcom-spmi-adc5.c
> +++ b/drivers/iio/adc/qcom-spmi-adc5.c
> @@ -249,11 +249,11 @@ static int adc5_read_voltage_data(struct adc5_chip *adc, u16 *data)
> *data = (rslt_msb << 8) | rslt_lsb;
>
> if (*data == ADC5_USR_DATA_CHECK) {
> - pr_err("Invalid data:0x%x\n", *data);
> + dev_err(adc->dev, "Invalid data:0x%x\n", *data);
> return -EINVAL;
> }
>
> - pr_debug("voltage raw code:0x%x\n", *data);
> + dev_dbg(adc->dev, "voltage raw code:0x%x\n", *data);
>
> return 0;
> }
> @@ -304,7 +304,7 @@ 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 */
> @@ -344,7 +344,7 @@ static int adc7_configure(struct adc5_chip *adc,
> return ret;
>
> ret = adc5_read(adc, ADC5_USR_DIG_PARAM, buf, sizeof(buf));
> - if (ret < 0)
> + if (ret)
> return ret;
>
> /* Digital param selection */
> @@ -385,24 +385,24 @@ static int adc5_do_conversion(struct adc5_chip *adc,
>
> ret = adc5_configure(adc, prop);
> if (ret) {
> - pr_err("ADC configure failed with %d\n", ret);
> + dev_err(adc->dev, "ADC configure failed with %d\n", ret);
> goto unlock;
> }
>
> if (adc->poll_eoc) {
> ret = adc5_poll_wait_eoc(adc);
> if (ret < 0) {
> - pr_err("EOC bit not set\n");
> + dev_err(adc->dev, "EOC bit not set\n");
> goto unlock;
> }
> } else {
> ret = wait_for_completion_timeout(&adc->complete,
> ADC5_CONV_TIMEOUT);
> if (!ret) {
> - pr_debug("Did not get completion timeout.\n");
> + dev_dbg(adc->dev, "Did not get completion timeout.\n");
> ret = adc5_poll_wait_eoc(adc);
> if (ret < 0) {
> - pr_err("EOC bit not set\n");
> + dev_err(adc->dev, "EOC bit not set\n");
> goto unlock;
> }
> }
> @@ -435,7 +435,7 @@ static int adc7_do_conversion(struct adc5_chip *adc,
> wait_for_completion_timeout(&adc->complete, ADC7_CONV_TIMEOUT);
>
> ret = adc5_read(adc, ADC5_USR_STATUS1, &status, 1);
> - if (ret < 0)
> + if (ret)
> goto unlock;
>
> if (status & ADC5_USR_STATUS1_CONV_FAULT) {
> @@ -481,8 +481,8 @@ static int adc7_of_xlate(struct iio_dev *indio_dev,
> int i, v_channel;
>
> for (i = 0; i < adc->nchannels; i++) {
> - v_channel = (adc->chan_props[i].sid << ADC_CHANNEL_OFFSET |
> - adc->chan_props[i].channel);
> + v_channel = (adc->chan_props[i].sid << ADC_CHANNEL_OFFSET) |
> + adc->chan_props[i].channel;
> if (v_channel == iiospec->args[0])
> return i;
> }
> @@ -728,7 +728,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
> channel_name = of_get_property(node,
> "label", NULL) ? : node->name;
> if (!channel_name) {
> - pr_err("Invalid channel name\n");
> + dev_err(dev, "Invalid channel name\n");
> return -EINVAL;
> }
> prop->datasheet_name = channel_name;
> @@ -766,12 +766,12 @@ 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;
> }
>
> - pr_debug("dig_ver:minor:%d, major:%d\n", dig_version[0],
> + dev_dbg(dev, "dig_ver:minor:%d, major:%d\n", dig_version[0],
> dig_version[1]);
> /* Digital controller >= 5.3 have hw_settle_2 option */
> if ((dig_version[0] >= ADC5_HW_SETTLE_DIFF_MINOR &&
> @@ -975,7 +975,7 @@ static int adc5_probe(struct platform_device *pdev)
>
> ret = adc5_get_dt_data(adc, node);
> if (ret) {
> - pr_err("adc get dt data failed\n");
> + dev_err(dev, "adc get dt data failed\n");
> return ret;
> }
>

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