Re: [PATCH v6 2/3] mfd: ls2kbmc: Add Loongson-2K BMC reset function support

[Lee Jones <lee@kernel.org>]

On Wed, 02 Jul 2025, kernel test robot wrote:

> Hi Binbin,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on 3d77b3cc7cc8115d89fa14eaf601e56372953484]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Binbin-Zhou/mfd-ls2kbmc-Introduce-Loongson-2K-BMC-core-driver/20250626-203353
> base:   3d77b3cc7cc8115d89fa14eaf601e56372953484
> patch link:    https://lore.kernel.org/r/78b06d1c7ae0677868e0c7498b589af163313c8d.1750939357.git.zhoubinbin%40loongson.cn
> patch subject: [PATCH v6 2/3] mfd: ls2kbmc: Add Loongson-2K BMC reset function support
> config: sparc64-allmodconfig (https://download.01.org/0day-ci/archive/20250702/202507021011.sDAHGinj-lkp@intel.com/config)
> compiler: sparc64-linux-gcc (GCC) 15.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250702/202507021011.sDAHGinj-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/202507021011.sDAHGinj-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/mfd/ls2k-bmc-core.c: In function 'ls2k_bmc_pdata_initial':
> >> drivers/mfd/ls2k-bmc-core.c:349:15: error: implicit declaration of function 'acpi_register_gsi' [-Wimplicit-function-declaration]
>      349 |         irq = acpi_register_gsi(NULL, gsi, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW);
>          |               ^~~~~~~~~~~~~~~~~
> >> drivers/mfd/ls2k-bmc-core.c:376:9: error: implicit declaration of function 'acpi_unregister_gsi'; did you mean 'arch_unregister_cpu'? [-Wimplicit-function-declaration]
>      376 |         acpi_unregister_gsi(gsi);
>          |         ^~~~~~~~~~~~~~~~~~~
>          |         arch_unregister_cpu

Is this error valid?

-- 
Lee Jones [李琼斯]