Re: [PATCH] i2c: drivers: Remove superfluous error message

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On Mon, May 04, 2020 at 05:14:06PM +0530, Aishwarya Ramakrishnan wrote:
> The function platform_get_irq can log an error by itself.
> This omit a redundant message for exception handling in the
> calling function.

FWIW,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>


> Suggested by Coccinelle.

Compile tested only, right?

> 
> Signed-off-by: Aishwarya Ramakrishnan <aishwaryarj100@xxxxxxxxx>
> ---
>  drivers/i2c/busses/i2c-altera.c   | 4 +---
>  drivers/i2c/busses/i2c-cht-wc.c   | 4 +---
>  drivers/i2c/busses/i2c-img-scb.c  | 4 +---
>  drivers/i2c/busses/i2c-lpc2k.c    | 4 +---
>  drivers/i2c/busses/i2c-uniphier.c | 4 +---
>  5 files changed, 5 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-altera.c b/drivers/i2c/busses/i2c-altera.c
> index f5c00f903df3..af6985f0ae63 100644
> --- a/drivers/i2c/busses/i2c-altera.c
> +++ b/drivers/i2c/busses/i2c-altera.c
> @@ -395,10 +395,8 @@ static int altr_i2c_probe(struct platform_device *pdev)
>  		return PTR_ERR(idev->base);
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0) {
> -		dev_err(&pdev->dev, "missing interrupt resource\n");
> +	if (irq < 0)
>  		return irq;
> -	}
>  
>  	idev->i2c_clk = devm_clk_get(&pdev->dev, NULL);
>  	if (IS_ERR(idev->i2c_clk)) {
> diff --git a/drivers/i2c/busses/i2c-cht-wc.c b/drivers/i2c/busses/i2c-cht-wc.c
> index 35e55feda763..343ae5754e6e 100644
> --- a/drivers/i2c/busses/i2c-cht-wc.c
> +++ b/drivers/i2c/busses/i2c-cht-wc.c
> @@ -314,10 +314,8 @@ static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev)
>  	int ret, reg, irq;
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0) {
> -		dev_err(&pdev->dev, "Error missing irq resource\n");
> +	if (irq < 0)
>  		return -EINVAL;
> -	}
>  
>  	adap = devm_kzalloc(&pdev->dev, sizeof(*adap), GFP_KERNEL);
>  	if (!adap)
> diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c
> index 422097a31c95..2f6de763816a 100644
> --- a/drivers/i2c/busses/i2c-img-scb.c
> +++ b/drivers/i2c/busses/i2c-img-scb.c
> @@ -1344,10 +1344,8 @@ static int img_i2c_probe(struct platform_device *pdev)
>  		return PTR_ERR(i2c->base);
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0) {
> -		dev_err(&pdev->dev, "can't get irq number\n");
> +	if (irq < 0)
>  		return irq;
> -	}
>  
>  	i2c->sys_clk = devm_clk_get(&pdev->dev, "sys");
>  	if (IS_ERR(i2c->sys_clk)) {
> diff --git a/drivers/i2c/busses/i2c-lpc2k.c b/drivers/i2c/busses/i2c-lpc2k.c
> index 13b0c12e2dba..43dc9b7043e4 100644
> --- a/drivers/i2c/busses/i2c-lpc2k.c
> +++ b/drivers/i2c/busses/i2c-lpc2k.c
> @@ -362,10 +362,8 @@ static int i2c_lpc2k_probe(struct platform_device *pdev)
>  		return PTR_ERR(i2c->base);
>  
>  	i2c->irq = platform_get_irq(pdev, 0);
> -	if (i2c->irq < 0) {
> -		dev_err(&pdev->dev, "can't get interrupt resource\n");
> +	if (i2c->irq < 0)
>  		return i2c->irq;
> -	}
>  
>  	init_waitqueue_head(&i2c->wait);
>  
> diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
> index 668b1fa2b0ef..ee00a44bf4c7 100644
> --- a/drivers/i2c/busses/i2c-uniphier.c
> +++ b/drivers/i2c/busses/i2c-uniphier.c
> @@ -324,10 +324,8 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
>  		return PTR_ERR(priv->membase);
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0) {
> -		dev_err(dev, "failed to get IRQ number\n");
> +	if (irq < 0)
>  		return irq;
> -	}
>  
>  	if (of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed))
>  		bus_speed = I2C_MAX_STANDARD_MODE_FREQ;
> -- 
> 2.17.1
> 

-- 
With Best Regards,
Andy Shevchenko





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