netdev - [net-next:master 1118/1134] drivers/net/dsa/b53/b53_srab.c:388:20: warning: cast from pointer to integer of different size

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Date:	Tue, 12 Jul 2016 05:19:57 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	kbuild-all@...org, netdev@...r.kernel.org,
	Florian Fainelli <f.fainelli@...il.com>
Subject: [net-next:master 1118/1134] drivers/net/dsa/b53/b53_srab.c:388:20:
 warning: cast from pointer to integer of different size

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   a536a6e13ecd0d6eb0ffc36c5d56555896617282
commit: fefae6909ead1798c39bee4d94e7e8f1f2752ef6 [1118/1134] net: dsa: b53: Allow SRAB driver to specify platform data
config: ia64-allyesconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout fefae6909ead1798c39bee4d94e7e8f1f2752ef6
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All warnings (new ones prefixed by >>):

   drivers/net/dsa/b53/b53_srab.c: In function 'b53_srab_probe':
>> drivers/net/dsa/b53/b53_srab.c:388:20: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
      pdata->chip_id = (u32)of_id->data;
                       ^

vim +388 drivers/net/dsa/b53/b53_srab.c

   372	{
   373		struct b53_platform_data *pdata = pdev->dev.platform_data;
   374		struct device_node *dn = pdev->dev.of_node;
   375		const struct of_device_id *of_id = NULL;
   376		struct b53_srab_priv *priv;
   377		struct b53_device *dev;
   378		struct resource *r;
   379	
   380		if (dn)
   381			of_id = of_match_node(b53_srab_of_match, dn);
   382	
   383		if (of_id) {
   384			pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
   385			if (!pdata)
   386				return -ENOMEM;
   387	
 > 388			pdata->chip_id = (u32)of_id->data;
   389		}
   390	
   391		priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
   392		if (!priv)
   393			return -ENOMEM;
   394	
   395		r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
   396		priv->regs = devm_ioremap_resource(&pdev->dev, r);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/octet-stream" (46371 bytes)