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SubjectRe: [PATCH 06/11] staging: iio: tsl2x7x: make logging consistent and correct newlines
On Wed, 21 Mar 2018 06:29:07 -0400
Brian Masney <masneyb@onstation.org> wrote:

> This patch updates all of the logging commands so that they are
> consistent with the other messages, includes __func__ in the message,
> and all of the messages include newlines. This patch also removes some
> debug log messages.
>
> Signed-off-by: Brian Masney <masneyb@onstation.org>
Hmm. This is definitely an improvement, but at somepoint we may want
to drop all of the __func__ usage as the dynamic debug system can
provide back traces which obviously include this info.

So might need a follow up, though perhaps not pre moving out of staging
as this really isn't important.

Hence, applied.

Thanks,

Jonathan

> ---
> Changes since v1:
> - Remove some debug messages and every log message doesn't have to have
> the function name.
> - Earlier patches in this current series dropped some of the debug
> messages that were in v1.
>
> drivers/staging/iio/light/tsl2x7x.c | 42 ++++++++++++++-----------------------
> 1 file changed, 16 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c
> index f7e7fcc17059..07ce3076a05d 100644
> --- a/drivers/staging/iio/light/tsl2x7x.c
> +++ b/drivers/staging/iio/light/tsl2x7x.c
> @@ -374,7 +374,8 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
> ret = i2c_smbus_read_byte_data(chip->client, reg);
> if (ret < 0) {
> dev_err(&chip->client->dev,
> - "failed to read. err=%x\n", ret);
> + "%s: failed to read from register %x: %d\n",
> + __func__, reg, ret);
> goto out_unlock;
> }
>
> @@ -416,7 +417,9 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
>
> /* note: lux is 31 bit max at this point */
> if (ch1lux > ch0lux) {
> - dev_dbg(&chip->client->dev, "ch1lux > ch0lux-return last value\n");
> + dev_dbg(&chip->client->dev,
> + "%s: ch1lux > ch0lux; returning last value\n",
> + __func__);
> ret = chip->als_cur_info.lux;
> goto out_unlock;
> }
> @@ -591,8 +594,6 @@ static int tsl2x7x_als_calibrate(struct iio_dev *indio_dev)
> return -ERANGE;
>
> chip->settings.als_gain_trim = ret;
> - dev_info(&chip->client->dev,
> - "%s als_calibrate completed\n", chip->client->name);
>
> return ret;
> }
> @@ -674,12 +675,14 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
> */
> for (i = 0, dev_reg = chip->tsl2x7x_config;
> i < TSL2X7X_MAX_CONFIG_REG; i++) {
> - ret = i2c_smbus_write_byte_data(chip->client,
> - TSL2X7X_CMD_REG + i,
> + int reg = TSL2X7X_CMD_REG + i;
> +
> + ret = i2c_smbus_write_byte_data(chip->client, reg,
> *dev_reg++);
> if (ret < 0) {
> dev_err(&chip->client->dev,
> - "failed on write to reg %d.\n", i);
> + "%s: failed to write to register %x: %d\n",
> + __func__, reg, ret);
> return ret;
> }
> }
> @@ -907,15 +910,11 @@ static ssize_t in_illuminance0_lux_table_store(struct device *dev,
> */
> n = value[0];
> if ((n % 3) || n < 6 ||
> - n > ((ARRAY_SIZE(chip->tsl2x7x_device_lux) - 1) * 3)) {
> - dev_info(dev, "LUX TABLE INPUT ERROR 1 Value[0]=%d\n", n);
> + n > ((ARRAY_SIZE(chip->tsl2x7x_device_lux) - 1) * 3))
> return -EINVAL;
> - }
>
> - if ((value[(n - 2)] | value[(n - 1)] | value[n]) != 0) {
> - dev_info(dev, "LUX TABLE INPUT ERROR 2 Value[0]=%d\n", n);
> + if ((value[(n - 2)] | value[(n - 1)] | value[n]) != 0)
> return -EINVAL;
> - }
>
> if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) {
> ret = tsl2x7x_chip_off(indio_dev);
> @@ -1048,15 +1047,10 @@ static int tsl2x7x_write_event_value(struct iio_dev *indio_dev,
> chip->settings.persistence &= 0xF0;
> chip->settings.persistence |=
> (filter_delay & 0x0F);
> - dev_info(&chip->client->dev, "%s: ALS persistence = %d",
> - __func__, filter_delay);
> } else {
> chip->settings.persistence &= 0x0F;
> chip->settings.persistence |=
> ((filter_delay << 4) & 0xF0);
> - dev_info(&chip->client->dev,
> - "%s: Proximity persistence = %d",
> - __func__, filter_delay);
> }
> ret = 0;
> break;
> @@ -1269,9 +1263,6 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev,
> case IIO_CHAN_INFO_INT_TIME:
> chip->settings.als_time =
> TSL2X7X_MAX_TIMER_CNT - (val2 / TSL2X7X_MIN_ITIME);
> -
> - dev_info(&chip->client->dev, "%s: als time = %d",
> - __func__, chip->settings.als_time);
> break;
> default:
> return -EINVAL;
> @@ -1633,8 +1624,9 @@ static int tsl2x7x_probe(struct i2c_client *clientp,
>
> ret = i2c_smbus_write_byte(clientp, TSL2X7X_CMD_REG | TSL2X7X_CNTRL);
> if (ret < 0) {
> - dev_err(&clientp->dev, "write to cmd reg failed. err = %d\n",
> - ret);
> + dev_err(&clientp->dev,
> + "%s: Failed to write to CMD register: %d\n",
> + __func__, ret);
> return ret;
> }
>
> @@ -1664,7 +1656,7 @@ static int tsl2x7x_probe(struct i2c_client *clientp,
> indio_dev);
> if (ret) {
> dev_err(&clientp->dev,
> - "%s: irq request failed", __func__);
> + "%s: irq request failed\n", __func__);
> return ret;
> }
> }
> @@ -1681,8 +1673,6 @@ static int tsl2x7x_probe(struct i2c_client *clientp,
> return ret;
> }
>
> - dev_info(&clientp->dev, "%s Light sensor found.\n", id->name);
> -
> return 0;
> }
>

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