linux-kernel - Re: [PATCH v6 34/57] pinctrl: intel: Remove dev_err() usage after platform_get

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Date:   Tue, 30 Jul 2019 21:32:47 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: Re: [PATCH v6 34/57] pinctrl: intel: Remove dev_err() usage after
 platform_get_irq()

On Tue, Jul 30, 2019 at 11:15:34AM -0700, Stephen Boyd wrote:
> We don't need dev_err() messages when platform_get_irq() fails now that
> platform_get_irq() prints an error message itself when something goes
> wrong. Let's remove these prints with a simple semantic patch.
> 
> // <smpl>
> @@
> expression ret;
> struct platform_device *E;
> @@
> 
> ret =
> (
> platform_get_irq(E, ...)
> |
> platform_get_irq_byname(E, ...)
> );
> 
> if ( \( ret < 0 \| ret <= 0 \) )
> {
> (
> -if (ret != -EPROBE_DEFER)
> -{ ...
> -dev_err(...);
> -... }
> |
> ...
> -dev_err(...);
> )
> ...
> }
> // </smpl>
> 
> While we're here, remove braces on if statements that only have one
> statement (manually).

Also, per file, but I will do it myself when applying, thanks!

> 
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: linux-gpio@...r.kernel.org
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Mika Westerberg <mika.westerberg@...ux.intel.com>
> Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> ---
> 
> Please apply directly to subsystem trees
> 
>  drivers/pinctrl/intel/pinctrl-cherryview.c | 4 +---
>  drivers/pinctrl/intel/pinctrl-intel.c      | 4 +---
>  2 files changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
> index 03ec7a5d9d0b..cd4a69b4c5a8 100644
> --- a/drivers/pinctrl/intel/pinctrl-cherryview.c
> +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
> @@ -1703,10 +1703,8 @@ static int chv_pinctrl_probe(struct platform_device *pdev)
>  		return PTR_ERR(pctrl->regs);
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0) {
> -		dev_err(&pdev->dev, "failed to get interrupt number\n");
> +	if (irq < 0)
>  		return irq;
> -	}
>  
>  	pctrl->pctldesc = chv_pinctrl_desc;
>  	pctrl->pctldesc.name = dev_name(&pdev->dev);
> diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
> index a18d6eefe672..0487e8dc7654 100644
> --- a/drivers/pinctrl/intel/pinctrl-intel.c
> +++ b/drivers/pinctrl/intel/pinctrl-intel.c
> @@ -1354,10 +1354,8 @@ static int intel_pinctrl_probe(struct platform_device *pdev,
>  	}
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0) {
> -		dev_err(&pdev->dev, "failed to get interrupt number\n");
> +	if (irq < 0)
>  		return irq;
> -	}
>  
>  	ret = intel_pinctrl_pm_init(pctrl);
>  	if (ret)
> -- 
> Sent by a computer through tubes
> 

-- 
With Best Regards,
Andy Shevchenko