Re: [PATCH v2 7/8] firmware: smccc: lfa: Register DT interrupt

[kernel test robot <lkp@intel.com>]

Hi Andre,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on arm/for-next arm/fixes arm64/for-next/core clk/clk-next kvmarm/next rockchip/for-next shawnguo/for-next soc/for-next linus/master nferre-at91/at91-next v7.0-rc4 next-20260317]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Andre-Przywara/dt-bindings-arm-Add-Live-Firmware-Activation-binding/20260318-082717
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20260317103336.1273582-8-andre.przywara%40arm.com
patch subject: [PATCH v2 7/8] firmware: smccc: lfa: Register DT interrupt
config: arm64-randconfig-004-20260318 (https://download.01.org/0day-ci/archive/20260318/202603181913.NFRwBsN4-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260318/202603181913.NFRwBsN4-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603181913.NFRwBsN4-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/firmware/smccc/lfa_fw.c: In function 'lfa_register_dt':
   drivers/firmware/smccc/lfa_fw.c:878:16: error: implicit declaration of function 'devm_request_threaded_irq'; did you mean 'devm_request_region'? [-Werror=implicit-function-declaration]
     878 |         return devm_request_threaded_irq(dev, irq, lfa_irq_handler,
         |                ^~~~~~~~~~~~~~~~~~~~~~~~~
         |                devm_request_region
   drivers/firmware/smccc/lfa_fw.c:880:42: error: 'IRQF_COND_ONESHOT' undeclared (first use in this function)
     880 |                                          IRQF_COND_ONESHOT, NULL, NULL);
         |                                          ^~~~~~~~~~~~~~~~~
   drivers/firmware/smccc/lfa_fw.c:880:42: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/firmware/smccc/lfa_fw.c:881:1: warning: control reaches end of non-void function [-Wreturn-type]
     881 | }
         | ^
   cc1: some warnings being treated as errors


vim +881 drivers/firmware/smccc/lfa_fw.c

   863	
   864	static int lfa_register_dt(struct device *dev)
   865	{
   866		struct device_node *np;
   867		unsigned int irq;
   868	
   869		np = of_find_compatible_node(NULL, NULL, "arm,lfa");
   870		if (!np)
   871			return -ENODEV;
   872	
   873		irq = irq_of_parse_and_map(np, 0);
   874		of_node_put(np);
   875		if (!irq)
   876			return -ENODEV;
   877	
   878		return devm_request_threaded_irq(dev, irq, lfa_irq_handler,
   879						 lfa_irq_handler_thread,
   880						 IRQF_COND_ONESHOT, NULL, NULL);
 > 881	}
   882	

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