linux-kernel - RE: [PATCH] i2c: i2c-imx: Fix format warning for dev

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Date:	Wed, 6 Aug 2014 03:28:23 +0000
From:	"Li.Xiubo@...escale.com" <Li.Xiubo@...escale.com>
To:	Joe Perches <joe@...ches.com>
CC:	"wsa@...-dreams.de" <wsa@...-dreams.de>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
	"jg1.han@...sung.com" <jg1.han@...sung.com>,
	"u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jingchang Lu <jingchang.lu@...escale.com>
Subject: RE: [PATCH] i2c: i2c-imx: Fix format warning for dev_dbg

> > drivers/i2c/busses/i2c-imx.c: In function i2c_imx_probe()
> > drivers/i2c/busses/i2c-imx.c:689:2: warning: format 0x%x expects argument
> > of type unsigned int, but argument 4 has type resource_size_t [-Wformat=]
> >   dev_dbg(&i2c_imx->adapter.dev, "device resources from 0x%x to 0x%x\n",
> []
> > diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
> []
> > @@ -687,9 +687,9 @@ static int i2c_imx_probe(struct platform_device *pdev)
> >
> >  	dev_dbg(&i2c_imx->adapter.dev, "claimed irq %d\n", irq);
> >  	dev_dbg(&i2c_imx->adapter.dev, "device resources from 0x%x to 0x%x\n",
> > -		res->start, res->end);
> > +		(unsigned int)res->start, (unsigned int)res->end);
> 
> Probably better to use:
> 
> 	dev_dbg(&i2c_imx->adapter.dev, "device resources: %pR\n, res);
> 

Yes, this is perfect.

> >  	dev_dbg(&i2c_imx->adapter.dev, "allocated %d bytes at 0x%x\n",
> > -		resource_size(res), res->start);
> > +		(unsigned int)resource_size(res), (unsigned int)res->start);
> 
> and remove this.
> 

I will follow your advice.

Thanks,
BRs
Xiubo



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