On 3/31/26 01:39, kernel test robot wrote:
> Hi Chandrashekar,
> 
> kernel test robot noticed the following build errors:

FWIW, a newer version of this patch hit -next yesterday and caused a
similar build error for me, but only on ppc64le (on Fedora, using the
rawhide config):

"""
> drivers/bluetooth/btintel_pcie.c: In function 
> ‘btintel_pcie_acpi_reset_method’:
> drivers/bluetooth/btintel_pcie.c:2309:14: error: implicit declaration of 
> function ‘acpi_has_method’; did you mean ‘acpi_has_watchdog’? 
> [-Wimplicit-function-declaration]
>  2309 |         if (!acpi_has_method(handle, "_PRR")) {
>       |              ^~~~~~~~~~~~~~~
>       |              acpi_has_watchdog
> make[4]: *** [scripts/Makefile.build:289: drivers/bluetooth/btintel_pcie.o] 
> Error 1
> make[4]: *** Waiting for unfinished jobs....
> make[3]: *** [scripts/Makefile.build:548: drivers/bluetooth] Error 2
> make[3]: *** Waiting for unfinished jobs....
> make[2]: *** [scripts/Makefile.build:548: drivers] Error 2
> make[1]: *** 
> [/builddir/build/BUILD/kernel-7.1.0-build/kernel-next-20260414/linux-7.1.0-0.0.next.20260414.462.vanilla.fc45.ppc64le/Makefile:2147:
>  .] Error 2
> make: *** [Makefile:256: __sub-make] Error 2
> + exit 1
""""

Full log:
https://download.copr.fedorainfracloud.org/results/@kernel-vanilla/next/fedora-rawhide-ppc64le/10323070-next-next-all/builder-live.log.gz

Ciao, Thorsten


> [auto build test ERROR on bluetooth-next/master]
> [also build test ERROR on next-20260327]
> [cannot apply to bluetooth/master linus/master v7.0-rc6]
> [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/Chandrashekar-Devegowda/Bluetooth-btintel_pcie-Support-Product-level-reset/20260330-190125
> base:   
> https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git 
> master
> patch link:    
> https://lore.kernel.org/r/20260330063842.1121545-1-chandrashekar.devegowda%40intel.com
> patch subject: [PATCH v1] Bluetooth: btintel_pcie:Support Product level reset.
> config: alpha-allyesconfig 
> (https://download.01.org/0day-ci/archive/20260331/[email protected]/config)
> compiler: alpha-linux-gcc (GCC) 15.2.0
> reproduce (this is a W=1 build): 
> (https://download.01.org/0day-ci/archive/20260331/[email protected]/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 <[email protected]>
> | Closes: 
> https://lore.kernel.org/oe-kbuild-all/[email protected]/
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/bluetooth/btintel_pcie.c: In function 
> 'btintel_pcie_acpi_reset_method':
>>> drivers/bluetooth/btintel_pcie.c:2307:14: error: implicit declaration of 
>>> function 'acpi_has_method'; did you mean 'acpi_has_watchdog'? 
>>> [-Wimplicit-function-declaration]
>     2307 |         if (!acpi_has_method(handle, "_PRR")) {
>          |              ^~~~~~~~~~~~~~~
>          |              acpi_has_watchdog
> 
> 
> vim +2307 drivers/bluetooth/btintel_pcie.c
> 
>   2280        
>   2281        static int btintel_pcie_acpi_reset_method(struct 
> btintel_pcie_data *data)
>   2282        {
>   2283                union acpi_object *obj, argv4;
>   2284                acpi_handle handle;
>   2285                int ret;
>   2286                struct pldr_mode {
>   2287                        u16     cmd_type;
>   2288                        u16     cmd_payload;
>   2289                } __packed;
>   2290        
>   2291                /* set 1 for _PRR mode
>   2292                 * Product Reset (PLDR Abort flow)
>   2293                 */
>   2294                static const struct pldr_mode mode = {
>   2295                        .cmd_type = 1,
>   2296                        .cmd_payload = 
> BTINTEL_PCIE_DSM_PLDR_MODE_EN_PROD_RESET |
>   2297                                       
> BTINTEL_PCIE_DSM_PLDR_MODE_EN_WIFI_FLR,
>   2298                };
>   2299                struct hci_dev *hdev = data->hdev;
>   2300        
>   2301                handle = ACPI_HANDLE(GET_HCIDEV_DEV(data->hdev));
>   2302                if (!handle) {
>   2303                        bt_dev_dbg(data->hdev, "No support for 
> bluetooth device in ACPI firmware");
>   2304                        return -EACCES;
>   2305                }
>   2306        
>> 2307         if (!acpi_has_method(handle, "_PRR")) {
>   2308                        bt_dev_dbg(data->hdev, "No support for _PRR 
> ACPI method, falling back to FLR");
>   2309                        btintel_pcie_reset(data->hdev);
>   2310                        return -ENODEV;
>   2311                }
>   2312        
>   2313                argv4.buffer.type = ACPI_TYPE_BUFFER;
>   2314                argv4.buffer.length = sizeof(mode);
>   2315                argv4.buffer.pointer = (void *)&mode;
>   2316        
>   2317                obj = acpi_evaluate_dsm(handle, &btintel_guid_dsm, 0,
>   2318                                        BTINTEL_PCIE_DSM_DYNAMIC_PLDR, 
> &argv4);
>   2319                if (!obj) {
>   2320                        bt_dev_err(data->hdev, "Failed to call dsm to 
> set reset method");
>   2321                        return -EIO;
>   2322                }
>   2323                ACPI_FREE(obj);
>   2324        
>   2325                pci_dev_lock(data->pdev);
>   2326                pci_save_state(data->pdev);
>   2327                ret = btintel_acpi_reset_method(hdev);
>   2328                if (ret)
>   2329                        bt_dev_err(data->hdev, "ACPI _PRR reset failed 
> (%d),PLDR incomplete",
>   2330                                   ret);
>   2331                pci_restore_state(data->pdev);
>   2332                pci_dev_unlock(data->pdev);
>   2333                return ret;
>   2334        }
>   2335        
> 


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