linux-kernel - Re: [PATCH 1/3] mfd: wm831x: Add basic device tree binding

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Date:   Sat, 11 Feb 2017 05:32:24 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc:     kbuild-all@...org, lee.jones@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, linus.walleij@...aro.org, gnurou@...il.com,
        devicetree@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com
Subject: Re: [PATCH 1/3] mfd: wm831x: Add basic device tree binding

Hi Charles,

[auto build test WARNING on ljones-mfd/for-mfd-next]
[also build test WARNING on v4.10-rc7 next-20170210]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Charles-Keepax/mfd-wm831x-Add-basic-device-tree-binding/20170211-024222
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
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
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All warnings (new ones prefixed by >>):

   drivers/mfd/wm831x-core.c: In function 'wm831x_of_get_type':
>> drivers/mfd/wm831x-core.c:1636:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
      return (int)id->data;
             ^

vim +1636 drivers/mfd/wm831x-core.c

  1620		{ .compatible = "wlf,wm8310", .data = (void *)WM8310 },
  1621		{ .compatible = "wlf,wm8311", .data = (void *)WM8311 },
  1622		{ .compatible = "wlf,wm8312", .data = (void *)WM8312 },
  1623		{ .compatible = "wlf,wm8320", .data = (void *)WM8320 },
  1624		{ .compatible = "wlf,wm8321", .data = (void *)WM8321 },
  1625		{ .compatible = "wlf,wm8325", .data = (void *)WM8325 },
  1626		{ .compatible = "wlf,wm8326", .data = (void *)WM8326 },
  1627		{ },
  1628	};
  1629	EXPORT_SYMBOL_GPL(wm831x_of_match);
  1630	
  1631	int wm831x_of_get_type(struct device *dev)
  1632	{
  1633		const struct of_device_id *id = of_match_device(wm831x_of_match, dev);
  1634	
  1635		if (id)
> 1636			return (int)id->data;
  1637		else
  1638			return 0;
  1639	}
  1640	EXPORT_SYMBOL_GPL(wm831x_of_get_type);
  1641	#endif
  1642	
  1643	/*
  1644	 * Instantiate the generic non-control parts of the device.

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

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