Re: [PATCH 01/16] iio: accel: bma180: Simplify with dev_err_probe()

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On Wed, 26 Aug 2020 16:51:38 +0200
Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:

> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and also it prints the error value.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

Please make sure to send v2 to linux-iio@xxxxxxxxxxxxxxx

> ---
>  drivers/iio/accel/bma180.c | 20 ++++++++------------
>  1 file changed, 8 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
> index 5b7a467c7b27..448faed001fd 100644
> --- a/drivers/iio/accel/bma180.c
> +++ b/drivers/iio/accel/bma180.c
> @@ -1000,19 +1000,15 @@ static int bma180_probe(struct i2c_client *client,
>  		return ret;
>  
>  	data->vdd_supply = devm_regulator_get(dev, "vdd");
> -	if (IS_ERR(data->vdd_supply)) {
> -		if (PTR_ERR(data->vdd_supply) != -EPROBE_DEFER)
> -			dev_err(dev, "Failed to get vdd regulator %d\n",
> -				(int)PTR_ERR(data->vdd_supply));
> -		return PTR_ERR(data->vdd_supply);
> -	}
> +	if (IS_ERR(data->vdd_supply))
> +		return dev_err_probe(dev, PTR_ERR(data->vdd_supply),
> +				     "Failed to get vdd regulator\n");
> +
>  	data->vddio_supply = devm_regulator_get(dev, "vddio");
> -	if (IS_ERR(data->vddio_supply)) {
> -		if (PTR_ERR(data->vddio_supply) != -EPROBE_DEFER)
> -			dev_err(dev, "Failed to get vddio regulator %d\n",
> -				(int)PTR_ERR(data->vddio_supply));
> -		return PTR_ERR(data->vddio_supply);
> -	}
> +	if (IS_ERR(data->vddio_supply))
> +		return dev_err_probe(dev, PTR_ERR(data->vddio_supply),
> +				     "Failed to get vddio regulator\n");
> +
>  	/* Typical voltage 2.4V these are min and max */
>  	ret = regulator_set_voltage(data->vdd_supply, 1620000, 3600000);
>  	if (ret)




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