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Message-ID: <202601200543.EKFOBfnW-lkp@intel.com>
Date: Tue, 20 Jan 2026 05:35:57 +0800
From: kernel test robot <lkp@...el.com>
To: Salman Nabi <salman.nabi@....com>, vvidwans@...dia.com,
andre.przywara@....com, sudeep.holla@....com, mark.rutland@....com,
lpieralisi@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, ardb@...nel.org,
chao.gao@...el.com, linux-arm-kernel@...ts.infradead.org,
linux-coco@...ts.linux.dev, linux-kernel@...r.kernel.org,
sdonthineni@...dia.com, vsethi@...dia.com, vwadekar@...dia.com
Subject: Re: [PATCH 1/1] firmware: smccc: add support for Live Firmware
Activation (LFA)
Hi Salman,
kernel test robot noticed the following build errors:
[auto build test ERROR on soc/for-next]
[also build test ERROR on linus/master v6.19-rc6 next-20260116]
[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/Salman-Nabi/firmware-smccc-add-support-for-Live-Firmware-Activation-LFA/20260119-203221
base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
patch link: https://lore.kernel.org/r/20260119122729.287522-2-salman.nabi%40arm.com
patch subject: [PATCH 1/1] firmware: smccc: add support for Live Firmware Activation (LFA)
config: arm-defconfig (https://download.01.org/0day-ci/archive/20260120/202601200543.EKFOBfnW-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260120/202601200543.EKFOBfnW-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601200543.EKFOBfnW-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/firmware/smccc/lfa_fw.c:179:28: error: variable has incomplete type 'struct arm_smccc_1_2_regs'
179 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:179:9: note: forward declaration of 'struct arm_smccc_1_2_regs'
179 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
>> drivers/firmware/smccc/lfa_fw.c:184:2: error: call to undeclared function 'arm_smccc_1_2_invoke'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
184 | arm_smccc_1_2_invoke(®, ®);
| ^
drivers/firmware/smccc/lfa_fw.c:194:28: error: variable has incomplete type 'struct arm_smccc_1_2_regs'
194 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:194:9: note: forward declaration of 'struct arm_smccc_1_2_regs'
194 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:198:2: error: call to undeclared function 'arm_smccc_1_2_invoke'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
198 | arm_smccc_1_2_invoke(®, ®);
| ^
drivers/firmware/smccc/lfa_fw.c:220:28: error: variable has incomplete type 'struct arm_smccc_1_2_regs'
220 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:220:9: note: forward declaration of 'struct arm_smccc_1_2_regs'
220 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:234:3: error: call to undeclared function 'arm_smccc_1_2_invoke'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
234 | arm_smccc_1_2_invoke(®, ®);
| ^
drivers/firmware/smccc/lfa_fw.c:290:28: error: variable has incomplete type 'struct arm_smccc_1_2_regs'
290 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:290:9: note: forward declaration of 'struct arm_smccc_1_2_regs'
290 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:318:3: error: call to undeclared function 'arm_smccc_1_2_invoke'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
318 | arm_smccc_1_2_invoke(®, ®);
| ^
drivers/firmware/smccc/lfa_fw.c:360:28: error: variable has incomplete type 'struct arm_smccc_1_2_regs'
360 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:360:9: note: forward declaration of 'struct arm_smccc_1_2_regs'
360 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:368:2: error: call to undeclared function 'arm_smccc_1_2_invoke'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
368 | arm_smccc_1_2_invoke(®, ®);
| ^
drivers/firmware/smccc/lfa_fw.c:434:28: error: variable has incomplete type 'struct arm_smccc_1_2_regs'
434 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:434:9: note: forward declaration of 'struct arm_smccc_1_2_regs'
434 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:443:2: error: call to undeclared function 'arm_smccc_1_2_invoke'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
443 | arm_smccc_1_2_invoke(®, ®);
| ^
drivers/firmware/smccc/lfa_fw.c:586:28: error: variable has incomplete type 'struct arm_smccc_1_2_regs'
586 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:586:9: note: forward declaration of 'struct arm_smccc_1_2_regs'
586 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:600:3: error: call to undeclared function 'arm_smccc_1_2_invoke'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
600 | arm_smccc_1_2_invoke(®, ®);
| ^
drivers/firmware/smccc/lfa_fw.c:619:28: error: variable has incomplete type 'struct arm_smccc_1_2_regs'
619 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:619:9: note: forward declaration of 'struct arm_smccc_1_2_regs'
619 | struct arm_smccc_1_2_regs reg = { 0 };
| ^
drivers/firmware/smccc/lfa_fw.c:623:2: error: call to undeclared function 'arm_smccc_1_2_invoke'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
623 | arm_smccc_1_2_invoke(®, ®);
| ^
16 errors generated.
vim +179 drivers/firmware/smccc/lfa_fw.c
176
177 static unsigned long get_nr_lfa_components(void)
178 {
> 179 struct arm_smccc_1_2_regs reg = { 0 };
180
181 reg.a0 = LFA_1_0_FN_GET_INFO;
182 reg.a1 = 0; /* lfa_info_selector = 0 */
183
> 184 arm_smccc_1_2_invoke(®, ®);
185 if (reg.a0 != LFA_SUCCESS)
186 return reg.a0;
187
188 return reg.a1;
189 }
190
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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