Hi Hauke,

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on next-20151207]
[cannot apply to v4.4-rc4]

url:    
https://github.com/0day-ci/linux/commits/Hauke-Mehrtens/usb-xhci-plat-fix-adding-usb3-lpm-capable-quirk/20151208-063433
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git 
usb-testing
config: i386-randconfig-x009-12070758 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   drivers/usb/host/xhci-plat.c: In function 'xhci_plat_probe':
>> drivers/usb/host/xhci-plat.c:128:22: warning: unused variable 'node' 
>> [-Wunused-variable]
     struct device_node *node = pdev->dev.of_node;
                         ^

vim +/node +128 drivers/usb/host/xhci-plat.c

4efb2f69 Yoshihiro Shimoda         2015-11-24  112              .compatible = 
"renesas,xhci-r8a7791",
4efb2f69 Yoshihiro Shimoda         2015-11-24  113              .data = 
&xhci_plat_renesas_rcar_gen2,
4efb2f69 Yoshihiro Shimoda         2015-11-24  114      }, {
82487b71 Yoshihiro Shimoda         2015-11-24  115              .compatible = 
"renesas,xhci-r8a7793",
82487b71 Yoshihiro Shimoda         2015-11-24  116              .data = 
&xhci_plat_renesas_rcar_gen2,
82487b71 Yoshihiro Shimoda         2015-11-24  117      }, {
526a240f Yoshihiro Shimoda         2015-11-24  118              .compatible = 
"renesas,xhci-r8a7795",
526a240f Yoshihiro Shimoda         2015-11-24  119              .data = 
&xhci_plat_renesas_rcar_gen3,
526a240f Yoshihiro Shimoda         2015-11-24  120      }, {
4efb2f69 Yoshihiro Shimoda         2015-11-24  121      },
4efb2f69 Yoshihiro Shimoda         2015-11-24  122  };
4efb2f69 Yoshihiro Shimoda         2015-11-24  123  MODULE_DEVICE_TABLE(of, 
usb_xhci_of_match);
4efb2f69 Yoshihiro Shimoda         2015-11-24  124  #endif
4efb2f69 Yoshihiro Shimoda         2015-11-24  125  
3429e91a Sebastian Andrzej Siewior 2012-03-13  126  static int 
xhci_plat_probe(struct platform_device *pdev)
3429e91a Sebastian Andrzej Siewior 2012-03-13  127  {
20f6fdd0 Pratyush Anand            2014-07-04 @128      struct device_node      
*node = pdev->dev.of_node;
4efb2f69 Yoshihiro Shimoda         2015-11-24  129      const struct 
of_device_id *match;
3429e91a Sebastian Andrzej Siewior 2012-03-13  130      const struct hc_driver  
*driver;
3429e91a Sebastian Andrzej Siewior 2012-03-13  131      struct xhci_hcd         
*xhci;
3429e91a Sebastian Andrzej Siewior 2012-03-13  132      struct resource         
*res;
3429e91a Sebastian Andrzej Siewior 2012-03-13  133      struct usb_hcd          
*hcd;
4718c177 Gregory CLEMENT           2014-05-15  134      struct clk              
*clk;
3429e91a Sebastian Andrzej Siewior 2012-03-13  135      int                     
ret;
3429e91a Sebastian Andrzej Siewior 2012-03-13  136      int                     
irq;

:::::: The code at line 128 was first introduced by commit
:::::: 20f6fdd01c2c0de9cc1109083222edded24c5350 xhci: Platform: Set xhci lpm 
support quirk based on platform data

:::::: TO: Pratyush Anand <pratyush.an...@st.com>
:::::: CC: Greg Kroah-Hartman <gre...@linuxfoundation.org>

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

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