linux-kernel - Re: [PATCH v3] i2c: ocores: use devm

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Date:   Thu, 25 May 2023 12:28:55 +0300
From:   Dan Carpenter <dan.carpenter@...aro.org>
To:     Wang Zhang <silver_code@...t.edu.cn>
Cc:     Peter Korsgaard <peter@...sgaard.com>,
        Andrew Lunn <andrew@...n.ch>,
        hust-os-kernel-patches@...glegroups.com, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] i2c: ocores: use devm_ managed clks

On Thu, May 25, 2023 at 08:02:02AM +0300, Dan Carpenter wrote:
> On Wed, May 24, 2023 at 11:43:18PM +0800, Wang Zhang wrote:
> > @@ -780,19 +768,18 @@ static int ocores_i2c_resume(struct device *dev)
> >  {
> >  	struct ocores_i2c *i2c = dev_get_drvdata(dev);
> >  
> > -	if (!IS_ERR(i2c->clk)) {
> > -		unsigned long rate;
> > -		int ret = clk_prepare_enable(i2c->clk);
> > +	unsigned long rate;
> > +	int ret = clk_prepare_enable(i2c->clk);
> 
> Don't put functions which can fail in the declaration block.  Generally
> the declaration block is for preliminary stuff, and the important
> actions should be in the code block.  There should not be a blank line
> before the function call and the error checking.

s/before/between/.

regards,
dan carpenter