Re: [PATCH v4 04/12] staging: iio: ad2s1200: Setup spi before iio device register

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On Fri, 18 May 2018 20:21:44 +0200
David Veenstra <davidjulianveenstra@xxxxxxxxx> wrote:

> The spi should be set up before the device is registered as an iio
> device.
> 
> This patch moves the setup to before the device registration.
> 
> Signed-off-by: David Veenstra <davidjulianveenstra@xxxxxxxxx>
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.

Thanks,

Jonathan

> ---
> Changes in v4:
>  - Introduced in this version.
> 
>  drivers/staging/iio/resolver/ad2s1200.c | 13 +++++++------
>  1 file changed, 7 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/staging/iio/resolver/ad2s1200.c b/drivers/staging/iio/resolver/ad2s1200.c
> index 068aa86e9c11..430cc62591fe 100644
> --- a/drivers/staging/iio/resolver/ad2s1200.c
> +++ b/drivers/staging/iio/resolver/ad2s1200.c
> @@ -143,15 +143,16 @@ static int ad2s1200_probe(struct spi_device *spi)
>  	indio_dev->num_channels = ARRAY_SIZE(ad2s1200_channels);
>  	indio_dev->name = spi_get_device_id(spi)->name;
>  
> -	ret = devm_iio_device_register(&spi->dev, indio_dev);
> -	if (ret)
> -		return ret;
> -
>  	spi->max_speed_hz = AD2S1200_HZ;
>  	spi->mode = SPI_MODE_3;
> -	spi_setup(spi);
> +	ret = spi_setup(spi);
> +
> +	if (ret < 0) {
> +		dev_err(&spi->dev, "spi_setup failed!\n");
> +		return ret;
> +	}
>  
> -	return 0;
> +	return devm_iio_device_register(&spi->dev, indio_dev);
>  }
>  
>  static const struct spi_device_id ad2s1200_id[] = {

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