linux-kernel - Re: [PATCH v4 2/2] i2c: busses: convert to devm_platform_request

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20200722140527.GB8725@nuc8i5>
Date:   Wed, 22 Jul 2020 22:05:27 +0800
From:   Dejin Zheng <zhengdejin5@...il.com>
To:     Heiko Stübner <heiko@...ech.de>
Cc:     corbet@....net, gregkh@...uxfoundation.org, rafael@...nel.org,
        f.fainelli@...il.com, linux-doc@...r.kernel.org,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        Michal Simek <michal.simek@...inx.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v4 2/2] i2c: busses: convert to
 devm_platform_request_irq()

On Fri, Jul 17, 2020 at 09:11:52PM +0200, Heiko Stübner wrote:
> Am Freitag, 17. Juli 2020, 18:11:58 CEST schrieb Dejin Zheng:
> > Use devm_platform_request_irq() to simplify code, and it contains
> > platform_get_irq() and devm_request_irq().
> > 
> > Cc: Michal Simek <michal.simek@...inx.com>
> > Cc: Wolfram Sang <wsa@...-dreams.de>
> > Signed-off-by: Dejin Zheng <zhengdejin5@...il.com>
> > Acked-by: Linus Walleij <linus.walleij@...aro.org>
> > Acked-by: Michal Simek <michal.simek@...inx.com>
> 
> 
> Rockchip part (i2c-rk3x):
> Reviewed-by: Heiko Stuebner <heiko@...ech.de>
>
Heiko, Thanks a lot.

BR,
Dejin
> > diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
> > index 8e3cc85d1921..1f0ac69c5774 100644
> > --- a/drivers/i2c/busses/i2c-rk3x.c
> > +++ b/drivers/i2c/busses/i2c-rk3x.c
> > @@ -1227,7 +1227,6 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
> >  	int ret = 0;
> >  	int bus_nr;
> >  	u32 value;
> > -	int irq;
> >  	unsigned long clk_rate;
> >  
> >  	i2c = devm_kzalloc(&pdev->dev, sizeof(struct rk3x_i2c), GFP_KERNEL);
> > @@ -1289,17 +1288,10 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
> >  		}
> >  	}
> >  
> > -	/* IRQ setup */
> > -	irq = platform_get_irq(pdev, 0);
> > -	if (irq < 0)
> > -		return irq;
> > -
> > -	ret = devm_request_irq(&pdev->dev, irq, rk3x_i2c_irq,
> > -			       0, dev_name(&pdev->dev), i2c);
> > -	if (ret < 0) {
> > -		dev_err(&pdev->dev, "cannot request IRQ\n");
> > +	ret = devm_platform_request_irq(pdev, 0, NULL, rk3x_i2c_irq,
> > +					0, dev_name(&pdev->dev), i2c);
> > +	if (ret < 0)
> >  		return ret;
> > -	}
> >  
> >  	platform_set_drvdata(pdev, i2c);
> >  
> 
> 
> 
>