linux-kernel - Re: [PATCH 7/7] mfd: intel_vuport: Add Intel virtual USB port MFD Driver

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Date:	Thu, 3 Mar 2016 19:35:46 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Lu Baolu <baolu.lu@...ux.intel.com>
Cc:	kbuild-all@...org, Felipe Balbi <balbi@...nel.org>,
	Mathias Nyman <mathias.nyman@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Lee Jones <lee.jones@...aro.org>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Lu Baolu <baolu.lu@...ux.intel.com>
Subject: Re: [PATCH 7/7] mfd: intel_vuport: Add Intel virtual USB port MFD
 Driver

Hi Lu,

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on v4.5-rc6 next-20160303]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Lu-Baolu/usb-add-support-for-Intel-dual-role-port-mux/20160303-144241
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: openrisc-allyesconfig (attached as .config)
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=openrisc 

All warnings (new ones prefixed by >>):

   drivers/mfd/intel-vuport.c: In function 'vuport_probe':
>> drivers/mfd/intel-vuport.c:39:17: warning: unused variable 'dev'
   drivers/mfd/intel-vuport.c: At top level:
   drivers/mfd/intel-vuport.c:59:30: warning: 'vuport_acpi_match' defined but not used

vim +/dev +39 drivers/mfd/intel-vuport.c

    23		{ "vbus_en-gpios", &vbus_gpio, 1 },
    24		{ "usb_mux-gpios", &mux_gpio, 1 },
    25		{ },
    26	};
    27	
    28	static const struct mfd_cell intel_vuport_mfd_cells[] = {
    29		{
    30			.name = "extcon-usb-gpio",
    31		},
    32		{
    33			.name = "intel-mux-gpio",
    34		},
    35	};
    36	
    37	static int vuport_probe(struct platform_device *pdev)
    38	{
  > 39		struct device *dev = &pdev->dev;
    40		int ret;
    41	
    42		ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(dev), acpi_usb_gpios);
    43		if (ret)
    44			return ret;
    45	
    46		return mfd_add_devices(&pdev->dev, 0, intel_vuport_mfd_cells,
    47				ARRAY_SIZE(intel_vuport_mfd_cells), NULL, 0,

---
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" (36869 bytes)