[PATCH -next] iio: adc: fix the return value handle for platform_get_irq()

[Jonathan Cameron]

On Thu, 27 Jul 2023 21:16:07 +0800
Ruan Jinjie <ruanjinjie at huawei.com> wrote:

> There is no possible for platform_get_irq() to return 0
> and the return value of platform_get_irq() is more sensible
> to show the error reason.
> 
> Signed-off-by: Ruan Jinjie <ruanjinjie at huawei.com>
Applied.

Thanks,

Jonathan

> ---
>  drivers/iio/adc/bcm_iproc_adc.c | 4 ++--
>  drivers/iio/adc/lpc32xx_adc.c   | 4 ++--
>  drivers/iio/adc/npcm_adc.c      | 4 ++--
>  drivers/iio/adc/spear_adc.c     | 4 ++--
>  4 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/iio/adc/bcm_iproc_adc.c b/drivers/iio/adc/bcm_iproc_adc.c
> index 44e1e53ada72..0d6885413a7e 100644
> --- a/drivers/iio/adc/bcm_iproc_adc.c
> +++ b/drivers/iio/adc/bcm_iproc_adc.c
> @@ -540,8 +540,8 @@ static int iproc_adc_probe(struct platform_device *pdev)
>  	}
>  
>  	adc_priv->irqno = platform_get_irq(pdev, 0);
> -	if (adc_priv->irqno <= 0)
> -		return -ENODEV;
> +	if (adc_priv->irqno < 0)
> +		return adc_priv->irqno;
>  
>  	ret = regmap_update_bits(adc_priv->regmap, IPROC_REGCTL2,
>  				IPROC_ADC_AUXIN_SCAN_ENA, 0);
> diff --git a/drivers/iio/adc/lpc32xx_adc.c b/drivers/iio/adc/lpc32xx_adc.c
> index 732c924a976d..e34ed7dacd89 100644
> --- a/drivers/iio/adc/lpc32xx_adc.c
> +++ b/drivers/iio/adc/lpc32xx_adc.c
> @@ -176,8 +176,8 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
>  	}
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq <= 0)
> -		return -ENXIO;
> +	if (irq < 0)
> +		return irq;
>  
>  	retval = devm_request_irq(&pdev->dev, irq, lpc32xx_adc_isr, 0,
>  				  LPC32XXAD_NAME, st);
> diff --git a/drivers/iio/adc/npcm_adc.c b/drivers/iio/adc/npcm_adc.c
> index ba4cd8f49f66..3d9207c160eb 100644
> --- a/drivers/iio/adc/npcm_adc.c
> +++ b/drivers/iio/adc/npcm_adc.c
> @@ -244,8 +244,8 @@ static int npcm_adc_probe(struct platform_device *pdev)
>  	info->adc_sample_hz = clk_get_rate(info->adc_clk) / ((div + 1) * 2);
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq <= 0) {
> -		ret = -EINVAL;
> +	if (irq < 0) {
> +		ret = irq;
>  		goto err_disable_clk;
>  	}
>  
> diff --git a/drivers/iio/adc/spear_adc.c b/drivers/iio/adc/spear_adc.c
> index d93e580b3dc5..ad54ef798109 100644
> --- a/drivers/iio/adc/spear_adc.c
> +++ b/drivers/iio/adc/spear_adc.c
> @@ -310,8 +310,8 @@ static int spear_adc_probe(struct platform_device *pdev)
>  	}
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq <= 0) {
> -		ret = -EINVAL;
> +	if (irq < 0) {
> +		ret = irq;
>  		goto errout2;
>  	}
>