Hi Felipe,

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v4.9 next-20161213]
[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/Felipe-Balbi/usb-host-xhci-refactor-xhci_hub_control/20161213-192036
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git 
usb-testing
config: blackfin-allmodconfig (attached as .config)
compiler: bfin-uclinux-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=blackfin 

All errors (new ones prefixed by >>):

   drivers/usb/host/xhci-hub.c: In function 'xhci_ctrl_set_port_feature.isra.5':
>> drivers/usb/host/xhci-hub.c:1159:1: error: unable to find a register to 
>> spill in class 'CCREGS'
    }
    ^
>> drivers/usb/host/xhci-hub.c:1159:1: error: this is the insn:
   (insn 977 434 439 44 (set (reg:SI 0 R0 [433])
           (zero_extend:SI (reg:BI 16 I0 [599]))) 
drivers/usb/host/xhci-hub.c:363 30 {zero_extendbisi2}
        (nil))
   drivers/usb/host/xhci-hub.c:1159: confused by earlier errors, bailing out

vim +/CCREGS +1159 drivers/usb/host/xhci-hub.c

  1153                  return -EPIPE;
  1154          }
  1155          /* unblock any posted writes */
  1156          temp = readl(port_array[wIndex]);
  1157  
  1158          return 0;
> 1159  }
  1160  
  1161  static int xhci_ctrl_clear_port_feature(struct usb_hcd *hcd, u16 wValue,
  1162                  u16 wIndex, char *buf, u16 wLength, unsigned long flags)

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

Attachment: .config.gz
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