RE: [PATCH 15/24] staging:iio:cdc:ad7150: Tidy up local variable positioning.

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> -----Original Message-----
> From: Jonathan Cameron [mailto:jic23@xxxxxxxxxx]
> Sent: Monday, February 8, 2021 4:46 AM
> To: linux-iio@xxxxxxxxxxxxxxx
> Cc: Lars-Peter Clausen <lars@xxxxxxxxxx>; Michael Hennerich
> <Michael.Hennerich@xxxxxxxxxx>; Song Bao Hua (Barry Song)
> <song.bao.hua@xxxxxxxxxxxxx>; robh+dt@xxxxxxxxxx; Jonathan Cameron
> <jonathan.cameron@xxxxxxxxxx>
> Subject: [PATCH 15/24] staging:iio:cdc:ad7150: Tidy up local variable
> positioning.
> 
> From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> 
> Where there is no other basis on which to order declarations
> let us prefer reverse xmas tree.  Also reduce scope where
> sensible.
> 
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

Reviewed-by: Barry Song <song.bao.hua@xxxxxxxxxxxxx>

> ---
>  drivers/staging/iio/cdc/ad7150.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/staging/iio/cdc/ad7150.c
> b/drivers/staging/iio/cdc/ad7150.c
> index 9e88e774752f..d530b467d1b2 100644
> --- a/drivers/staging/iio/cdc/ad7150.c
> +++ b/drivers/staging/iio/cdc/ad7150.c
> @@ -108,9 +108,9 @@ static int ad7150_read_raw(struct iio_dev *indio_dev,
>  			   int *val2,
>  			   long mask)
>  {
> -	int ret;
>  	struct ad7150_chip_info *chip = iio_priv(indio_dev);
>  	int channel = chan->channel;
> +	int ret;
> 
>  	switch (mask) {
>  	case IIO_CHAN_INFO_RAW:
> @@ -143,10 +143,10 @@ static int ad7150_read_event_config(struct iio_dev
> *indio_dev,
>  				    enum iio_event_type type,
>  				    enum iio_event_direction dir)
>  {
> -	int ret;
> +	struct ad7150_chip_info *chip = iio_priv(indio_dev);
>  	u8 threshtype;
>  	bool thrfixed;
> -	struct ad7150_chip_info *chip = iio_priv(indio_dev);
> +	int ret;
> 
>  	ret = i2c_smbus_read_byte_data(chip->client, AD7150_CFG_REG);
>  	if (ret < 0)
> @@ -227,10 +227,8 @@ static int ad7150_write_event_config(struct iio_dev
> *indio_dev,
>  				     enum iio_event_type type,
>  				     enum iio_event_direction dir, int state)
>  {
> -	u8 thresh_type, cfg, adaptive;
> -	int ret;
>  	struct ad7150_chip_info *chip = iio_priv(indio_dev);
> -	int rising = (dir == IIO_EV_DIR_RISING);
> +	int ret;
> 
>  	/*
>  	 * There is only a single shared control and no on chip
> @@ -251,6 +249,8 @@ static int ad7150_write_event_config(struct iio_dev
> *indio_dev,
> 
>  	mutex_lock(&chip->state_lock);
>  	if ((type != chip->type) || (dir != chip->dir)) {
> +		int rising = (dir == IIO_EV_DIR_RISING);
> +		u8 thresh_type, cfg, adaptive;
> 
>  		/*
>  		 * Need to temporarily disable both interrupts if
> @@ -533,9 +533,9 @@ static const struct iio_info ad7150_info_no_irq = {
>  static int ad7150_probe(struct i2c_client *client,
>  			const struct i2c_device_id *id)
>  {
> -	int ret;
>  	struct ad7150_chip_info *chip;
>  	struct iio_dev *indio_dev;
> +	int ret;
> 
>  	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
>  	if (!indio_dev)
> --
> 2.30.0




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