Re: [PATCH v1 08/16] iio: health: afe4403: Use get_unaligned_be24()

[Jonathan Cameron <jic23@xxxxxxxxxx>]

On Tue, 21 Apr 2020 03:31:27 +0300
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:

> This makes the driver code slightly easier to read.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Applied with header include added.

J
> ---
>  drivers/iio/health/afe4403.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/iio/health/afe4403.c b/drivers/iio/health/afe4403.c
> index dc22dc363a99..db44b53e9330 100644
> --- a/drivers/iio/health/afe4403.c
> +++ b/drivers/iio/health/afe4403.c
> @@ -220,13 +220,11 @@ static int afe4403_read(struct afe4403_data *afe, unsigned int reg, u32 *val)
>  	if (ret)
>  		return ret;
>  
> -	ret = spi_write_then_read(afe->spi, &reg, 1, rx, 3);
> +	ret = spi_write_then_read(afe->spi, &reg, 1, rx, sizeof(rx));
>  	if (ret)
>  		return ret;
>  
> -	*val = (rx[0] << 16) |
> -		(rx[1] << 8) |
> -		(rx[2]);
> +	*val = get_unaligned_be24(&rx[0]);
>  
>  	/* Disable reading from the device */
>  	tx[3] = AFE440X_CONTROL0_WRITE;
> @@ -322,13 +320,11 @@ static irqreturn_t afe4403_trigger_handler(int irq, void *private)
>  			 indio_dev->masklength) {
>  		ret = spi_write_then_read(afe->spi,
>  					  &afe4403_channel_values[bit], 1,
> -					  rx, 3);
> +					  rx, sizeof(rx));
>  		if (ret)
>  			goto err;
>  
> -		buffer[i++] = (rx[0] << 16) |
> -				(rx[1] << 8) |
> -				(rx[2]);
> +		buffer[i++] = get_unaligned_be24(&rx[0]);
>  	}
>  
>  	/* Disable reading from the device */