Hi Jon,

[auto build test ERROR on tip/irq/core]
[also build test ERROR on next-20151221]
[cannot apply to v4.4-rc6]

url:    https://github.com/0day-ci/linux/commits/Jon-Hunter/irqchip-gic-Remove-static-irq_chip-definition-for-eoimode1/20151221-221639
config: arm-realview_defconfig (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=arm 

All errors (new ones prefixed by >>):

   drivers/irqchip/irq-gic.c: In function '__gic_init_bases':
>> drivers/irqchip/irq-gic.c:1019:33: error: 'gic_set_affinity' undeclared (first use in this function)
       gic->chip.irq_set_affinity = gic_set_affinity;
                                    ^
   drivers/irqchip/irq-gic.c:1019:33: note: each undeclared identifier is reported only once for each function it appears in

vim +/gic_set_affinity +1019 drivers/irqchip/irq-gic.c

  1013		gic->chip = gic_chip;
  1014		gic->chip.name = kasprintf(GFP_KERNEL, "GIC-%d", gic_nr);
  1015	
  1016		/* Initialize irq_chip */
  1017		if (gic_nr == 0) {
  1018			if (IS_ENABLED(CONFIG_SMP))
> 1019				gic->chip.irq_set_affinity = gic_set_affinity;
  1020	
  1021			if (static_key_true(&supports_deactivate)) {
  1022				gic->chip.irq_mask = gic_eoimode1_mask_irq;

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