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From: Jonathan Cameron <jic23@kernel.org>
To: Crt Mori <cmo@melexis.com>
Cc: linux-iio@vger.kernel.org,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
	Andy Shevchenko <andy.shevchenko@gmail.com>
Subject: Re: [PATCH v3] iio: temperature: mlx90632 Style alignment for the driver
Date: Sat, 29 Oct 2022 13:06:03 +0100	[thread overview]
Message-ID: <20221029130603.4c4b87ed@jic23-huawei> (raw)
In-Reply-To: <d59aad00891c1a64e044a0f5bc7d40e42d47e9c7.1666606912.git.cmo@melexis.com>

On Mon, 24 Oct 2022 12:22:05 +0200
Crt Mori <cmo@melexis.com> wrote:

> Changing and aligning the overall style of the driver with the recent
> reviews. There is no functional change, only type generalization and
> moving to the reverse Christmas tree for variable declarations.
> 
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> Signed-off-by: Crt Mori <cmo@melexis.com>
LGTM

Applied to the togreg branch of iio.git and pushed out as testing for
0-day to see if it can find anything we missed.

Thanks,

Jonathan

> ---
>  drivers/iio/temperature/mlx90632.c | 65 +++++++++++++++++-------------
>  1 file changed, 36 insertions(+), 29 deletions(-)
> 
> diff --git a/drivers/iio/temperature/mlx90632.c b/drivers/iio/temperature/mlx90632.c
> index 224db7513baa..a17fe5f4967a 100644
> --- a/drivers/iio/temperature/mlx90632.c
> +++ b/drivers/iio/temperature/mlx90632.c
> @@ -219,11 +219,11 @@ static const struct regmap_config mlx90632_regmap = {
>  	.cache_type = REGCACHE_RBTREE,
>  };
>  
> -static s32 mlx90632_pwr_set_sleep_step(struct regmap *regmap)
> +static int mlx90632_pwr_set_sleep_step(struct regmap *regmap)
>  {
>  	struct mlx90632_data *data =
>  		iio_priv(dev_get_drvdata(regmap_get_device(regmap)));
> -	s32 ret;
> +	int ret;
>  
>  	if (data->powerstatus == MLX90632_PWR_STATUS_SLEEP_STEP)
>  		return 0;
> @@ -234,14 +234,14 @@ static s32 mlx90632_pwr_set_sleep_step(struct regmap *regmap)
>  		return ret;
>  
>  	data->powerstatus = MLX90632_PWR_STATUS_SLEEP_STEP;
> -	return ret;
> +	return 0;
>  }
>  
> -static s32 mlx90632_pwr_continuous(struct regmap *regmap)
> +static int mlx90632_pwr_continuous(struct regmap *regmap)
>  {
>  	struct mlx90632_data *data =
>  		iio_priv(dev_get_drvdata(regmap_get_device(regmap)));
> -	s32 ret;
> +	int ret;
>  
>  	if (data->powerstatus == MLX90632_PWR_STATUS_CONTINUOUS)
>  		return 0;
> @@ -252,7 +252,7 @@ static s32 mlx90632_pwr_continuous(struct regmap *regmap)
>  		return ret;
>  
>  	data->powerstatus = MLX90632_PWR_STATUS_CONTINUOUS;
> -	return ret;
> +	return 0;
>  }
>  
>  /**
> @@ -444,8 +444,8 @@ static int mlx90632_channel_new_select(int perform_ret, uint8_t *channel_new,
>  static int mlx90632_read_ambient_raw(struct regmap *regmap,
>  				     s16 *ambient_new_raw, s16 *ambient_old_raw)
>  {
> -	int ret;
>  	unsigned int read_tmp;
> +	int ret;
>  
>  	ret = regmap_read(regmap, MLX90632_RAM_3(1), &read_tmp);
>  	if (ret < 0)
> @@ -464,11 +464,11 @@ static int mlx90632_read_object_raw(struct regmap *regmap,
>  				    int perform_measurement_ret,
>  				    s16 *object_new_raw, s16 *object_old_raw)
>  {
> -	int ret;
>  	unsigned int read_tmp;
> -	s16 read;
> -	u8 channel = 0;
>  	u8 channel_old = 0;
> +	u8 channel = 0;
> +	s16 read;
> +	int ret;
>  
>  	ret = mlx90632_channel_new_select(perform_measurement_ret, &channel,
>  					  &channel_old);
> @@ -503,7 +503,8 @@ static int mlx90632_read_all_channel(struct mlx90632_data *data,
>  				     s16 *ambient_new_raw, s16 *ambient_old_raw,
>  				     s16 *object_new_raw, s16 *object_old_raw)
>  {
> -	s32 ret, measurement;
> +	s32 measurement;
> +	int ret;
>  
>  	mutex_lock(&data->lock);
>  	ret = mlx90632_set_meas_type(data, MLX90632_MTYP_MEDICAL);
> @@ -512,24 +513,24 @@ static int mlx90632_read_all_channel(struct mlx90632_data *data,
>  
>  	switch (data->powerstatus) {
>  	case MLX90632_PWR_STATUS_CONTINUOUS:
> -		measurement = mlx90632_perform_measurement(data);
> -		if (measurement < 0) {
> -			ret = measurement;
> +		ret = mlx90632_perform_measurement(data);
> +		if (ret < 0)
>  			goto read_unlock;
> -		}
> +
>  		break;
>  	case MLX90632_PWR_STATUS_SLEEP_STEP:
> -		measurement = mlx90632_perform_measurement_burst(data);
> -		if (measurement < 0) {
> -			ret = measurement;
> +		ret = mlx90632_perform_measurement_burst(data);
> +		if (ret < 0)
>  			goto read_unlock;
> -		}
> +
>  		break;
>  	default:
>  		ret = -EOPNOTSUPP;
>  		goto read_unlock;
>  	}
>  
> +	measurement = ret; /* If we came here ret holds the measurement position */
> +
>  	ret = mlx90632_read_ambient_raw(data->regmap, ambient_new_raw,
>  					ambient_old_raw);
>  	if (ret < 0)
> @@ -615,15 +616,21 @@ static int mlx90632_read_all_channel_extended(struct mlx90632_data *data, s16 *o
>  	if (ret < 0)
>  		goto read_unlock;
>  
> -	if (data->powerstatus == MLX90632_PWR_STATUS_CONTINUOUS) {
> +	switch (data->powerstatus) {
> +	case MLX90632_PWR_STATUS_CONTINUOUS:
>  		ret = read_poll_timeout(mlx90632_perform_measurement, meas, meas == 19,
>  					50000, 800000, false, data);
>  		if (ret)
>  			goto read_unlock;
> -	} else if (data->powerstatus == MLX90632_PWR_STATUS_SLEEP_STEP) {
> +		break;
> +	case MLX90632_PWR_STATUS_SLEEP_STEP:
>  		ret = mlx90632_perform_measurement_burst(data);
>  		if (ret < 0)
>  			goto read_unlock;
> +		break;
> +	default:
> +		ret = -EOPNOTSUPP;
> +		goto read_unlock;
>  	}
>  
>  	ret = mlx90632_read_object_raw_extended(data->regmap, object_new_raw);
> @@ -640,9 +647,9 @@ static int mlx90632_read_all_channel_extended(struct mlx90632_data *data, s16 *o
>  static int mlx90632_read_ee_register(struct regmap *regmap, u16 reg_lsb,
>  				     s32 *reg_value)
>  {
> -	s32 ret;
>  	unsigned int read;
>  	u32 value;
> +	int ret;
>  
>  	ret = regmap_read(regmap, reg_lsb, &read);
>  	if (ret < 0)
> @@ -806,12 +813,12 @@ static s32 mlx90632_calc_temp_object_extended(s64 object, s64 ambient, s64 refle
>  
>  static int mlx90632_calc_object_dsp105(struct mlx90632_data *data, int *val)
>  {
> -	s32 ret;
> +	s16 ambient_new_raw, ambient_old_raw, object_new_raw, object_old_raw;
>  	s32 Ea, Eb, Fa, Fb, Ga;
>  	unsigned int read_tmp;
> -	s16 Ha, Hb, Gb, Ka;
> -	s16 ambient_new_raw, ambient_old_raw, object_new_raw, object_old_raw;
>  	s64 object, ambient;
> +	s16 Ha, Hb, Gb, Ka;
> +	int ret;
>  
>  	ret = mlx90632_read_ee_register(data->regmap, MLX90632_EE_Ea, &Ea);
>  	if (ret < 0)
> @@ -885,11 +892,11 @@ static int mlx90632_calc_object_dsp105(struct mlx90632_data *data, int *val)
>  
>  static int mlx90632_calc_ambient_dsp105(struct mlx90632_data *data, int *val)
>  {
> -	s32 ret;
> +	s16 ambient_new_raw, ambient_old_raw;
>  	unsigned int read_tmp;
>  	s32 PT, PR, PG, PO;
> +	int ret;
>  	s16 Gb;
> -	s16 ambient_new_raw, ambient_old_raw;
>  
>  	ret = mlx90632_read_ee_register(data->regmap, MLX90632_EE_P_R, &PR);
>  	if (ret < 0)
> @@ -1164,11 +1171,11 @@ static int mlx90632_enable_regulator(struct mlx90632_data *data)
>  static int mlx90632_probe(struct i2c_client *client,
>  			  const struct i2c_device_id *id)
>  {
> -	struct iio_dev *indio_dev;
>  	struct mlx90632_data *mlx90632;
> +	struct iio_dev *indio_dev;
>  	struct regmap *regmap;
> -	int ret;
>  	unsigned int read;
> +	int ret;
>  
>  	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*mlx90632));
>  	if (!indio_dev) {


      reply	other threads:[~2022-10-29 11:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-24 10:22 [PATCH v3] iio: temperature: mlx90632 Style alignment for the driver Crt Mori
2022-10-29 12:06 ` Jonathan Cameron [this message]

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