Re: [PATCH V3 08/10] irqchip, gicv3, its: Probe ITS in the ACPI way.

[kbuild test robot]

Hi Tomasz,

[auto build test ERROR on v4.4-rc8]
[cannot apply to tip/irq/core next-20160119]
[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/Tomasz-Nowicki/Introduce-ACPI-world-to-GICv3-ITS-irqchip/20160119-211652
config: arm64-allmodconfig (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=arm64 

All errors (new ones prefixed by >>):

   drivers/irqchip/irq-gic-v3-its.c: In function 'its_irq_gic_domain_alloc':
>> drivers/irqchip/irq-gic-v3-its.c:1278:2: error: implicit declaration of function 'is_fwnode_irqchip' [-Werror=implicit-function-declaration]
     } else if (is_fwnode_irqchip(domain->parent->fwnode)) {
     ^
   cc1: some warnings being treated as errors

vim +/is_fwnode_irqchip +1278 drivers/irqchip/irq-gic-v3-its.c

  1272		if (irq_domain_get_of_node(domain->parent)) {
  1273			fwspec.fwnode = domain->parent->fwnode;
  1274			fwspec.param_count = 3;
  1275			fwspec.param[0] = GIC_IRQ_TYPE_LPI;
  1276			fwspec.param[1] = hwirq;
  1277			fwspec.param[2] = IRQ_TYPE_EDGE_RISING;
> 1278		} else if (is_fwnode_irqchip(domain->parent->fwnode)) {
  1279			fwspec.fwnode = domain->parent->fwnode;
  1280			fwspec.param_count = 2;
  1281			fwspec.param[0] = hwirq;

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