Re: [PATCH v3 2/3] iio: sx9500: refactor GPIO interrupt code

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On 12/04/15 18:09, Vlad Dogaru wrote:
> Signed-off-by: Vlad Dogaru <vlad.dogaru@xxxxxxxxx>
Applied with the define name changed as mentioned earlier...

J
> ---
>  drivers/iio/proximity/sx9500.c | 27 ++++++++++-----------------
>  1 file changed, 10 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c
> index f0f65a7..72efbbc 100644
> --- a/drivers/iio/proximity/sx9500.c
> +++ b/drivers/iio/proximity/sx9500.c
> @@ -859,30 +859,24 @@ static int sx9500_init_device(struct iio_dev *indio_dev)
>  	return 0;
>  }
>  
> -static int sx9500_gpio_probe(struct i2c_client *client,
> -			     struct sx9500_data *data)
> +static void sx9500_gpio_probe(struct i2c_client *client,
> +			      struct sx9500_data *data)
>  {
>  	struct device *dev;
>  	struct gpio_desc *gpio;
> -	int ret;
>  
>  	if (!client)
> -		return -EINVAL;
> +		return;
>  
>  	dev = &client->dev;
>  
> -	/* data ready gpio interrupt pin */
> -	gpio = devm_gpiod_get_index(dev, SX9500_GPIO_NAME, 0, GPIOD_IN);
> -	if (IS_ERR(gpio)) {
> -		dev_err(dev, "acpi gpio get index failed\n");
> -		return PTR_ERR(gpio);
> +	if (client->irq <= 0) {
> +		gpio = devm_gpiod_get_index(dev, SX9500_GPIO_INT, 0, GPIOD_IN);
> +		if (IS_ERR(gpio))
> +			dev_err(dev, "gpio get irq failed\n");
> +		else
> +			client->irq = gpiod_to_irq(gpio);
>  	}
> -
> -	ret = gpiod_to_irq(gpio);
> -
> -	dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);
> -
> -	return ret;
>  }
>  
>  static int sx9500_probe(struct i2c_client *client,
> @@ -916,8 +910,7 @@ static int sx9500_probe(struct i2c_client *client,
>  	indio_dev->modes = INDIO_DIRECT_MODE;
>  	i2c_set_clientdata(client, indio_dev);
>  
> -	if (client->irq <= 0)
> -		client->irq = sx9500_gpio_probe(client, data);
> +	sx9500_gpio_probe(client, data);
>  
>  	if (client->irq <= 0)
>  		dev_warn(&client->dev, "no valid irq found\n");
> 

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