Hi Maarten,

kernel test robot noticed the following build warnings:

[auto build test WARNING on broonie-sound/for-next] [also build test WARNING on tiwai-sound/for-next tiwai-sound/for-linus linus/master next-20230830] [cannot apply to v6.5] [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/Maarten-Lankhorst/ASoC-SOF-co... base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next patch link: https://lore.kernel.org/r/20230830153652.217855-11-maarten.lankhorst%40linux... patch subject: [PATCH v4 10/11] ASoC: SOF: Intel: Move binding to display driver outside of deferred probe config: x86_64-randconfig-005-20230831 (https://download.01.org/0day-ci/archive/20230831/202308310715.lBXHTY4I-lkp@i...) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230831/202308310715.lBXHTY4I-lkp@i...)

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/202308310715.lBXHTY4I-lkp@intel.com/

All warnings (new ones prefixed by >>):

...

sound/soc/sof/intel/hda.c:1173:19: warning: variable 'bus' set but not used [-Wunused-but-set-variable]

struct hdac_bus *bus; ^ 1 warning generated.

vim +/bus +1173 sound/soc/sof/intel/hda.c

47f868f27a979a Pierre-Louis Bossart 2023-08-30 1168 47f868f27a979a Pierre-Louis Bossart 2023-08-30 1169 int hda_dsp_probe(struct snd_sof_dev *sdev) 47f868f27a979a Pierre-Louis Bossart 2023-08-30 1170 { 47f868f27a979a Pierre-Louis Bossart 2023-08-30 1171 struct pci_dev *pci = to_pci_dev(sdev->dev); 47f868f27a979a Pierre-Louis Bossart 2023-08-30 1172 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 47f868f27a979a Pierre-Louis Bossart 2023-08-30 @1173 struct hdac_bus *bus; 47f868f27a979a Pierre-Louis Bossart 2023-08-30 1174 int ret = 0; 47f868f27a979a Pierre-Louis Bossart 2023-08-30 1175 dd96daca6c83ec Liam Girdwood 2019-04-12 1176 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec", dd96daca6c83ec Liam Girdwood 2019-04-12 1177 PLATFORM_DEVID_NONE, dd96daca6c83ec Liam Girdwood 2019-04-12 1178 NULL, 0); dd96daca6c83ec Liam Girdwood 2019-04-12 1179 if (IS_ERR(hdev->dmic_dev)) { dd96daca6c83ec Liam Girdwood 2019-04-12 1180 dev_err(sdev->dev, "error: failed to create DMIC device\n"); dd96daca6c83ec Liam Girdwood 2019-04-12 1181 return PTR_ERR(hdev->dmic_dev); dd96daca6c83ec Liam Girdwood 2019-04-12 1182 } dd96daca6c83ec Liam Girdwood 2019-04-12 1183 dd96daca6c83ec Liam Girdwood 2019-04-12 1184 /* dd96daca6c83ec Liam Girdwood 2019-04-12 1185 * use position update IPC if either it is forced dd96daca6c83ec Liam Girdwood 2019-04-12 1186 * or we don't have other choice dd96daca6c83ec Liam Girdwood 2019-04-12 1187 */ dd96daca6c83ec Liam Girdwood 2019-04-12 1188 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION) dd96daca6c83ec Liam Girdwood 2019-04-12 1189 hdev->no_ipc_position = 0; dd96daca6c83ec Liam Girdwood 2019-04-12 1190 #else dd96daca6c83ec Liam Girdwood 2019-04-12 1191 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; dd96daca6c83ec Liam Girdwood 2019-04-12 1192 #endif dd96daca6c83ec Liam Girdwood 2019-04-12 1193 1f7b5d52be130e Peter Ujfalusi 2023-04-04 1194 if (sdev->dspless_mode_selected) 1f7b5d52be130e Peter Ujfalusi 2023-04-04 1195 hdev->no_ipc_position = 1; 1f7b5d52be130e Peter Ujfalusi 2023-04-04 1196 dd96daca6c83ec Liam Girdwood 2019-04-12 1197 /* set up HDA base */ dd96daca6c83ec Liam Girdwood 2019-04-12 1198 bus = sof_to_bus(sdev); dd96daca6c83ec Liam Girdwood 2019-04-12 1199 9fc6786f549c4d Pierre-Louis Bossart 2023-04-04 1200 if (sdev->dspless_mode_selected) 9fc6786f549c4d Pierre-Louis Bossart 2023-04-04 1201 goto skip_dsp_setup; 9fc6786f549c4d Pierre-Louis Bossart 2023-04-04 1202 dd96daca6c83ec Liam Girdwood 2019-04-12 1203 /* DSP base */ dd96daca6c83ec Liam Girdwood 2019-04-12 1204 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); dd96daca6c83ec Liam Girdwood 2019-04-12 1205 if (!sdev->bar[HDA_DSP_BAR]) { dd96daca6c83ec Liam Girdwood 2019-04-12 1206 dev_err(sdev->dev, "error: ioremap error\n"); dd96daca6c83ec Liam Girdwood 2019-04-12 1207 ret = -ENXIO; dd96daca6c83ec Liam Girdwood 2019-04-12 1208 goto hdac_bus_unmap; dd96daca6c83ec Liam Girdwood 2019-04-12 1209 } dd96daca6c83ec Liam Girdwood 2019-04-12 1210 dd96daca6c83ec Liam Girdwood 2019-04-12 1211 sdev->mmio_bar = HDA_DSP_BAR; dd96daca6c83ec Liam Girdwood 2019-04-12 1212 sdev->mailbox_bar = HDA_DSP_BAR; 9fc6786f549c4d Pierre-Louis Bossart 2023-04-04 1213 skip_dsp_setup: dd96daca6c83ec Liam Girdwood 2019-04-12 1214 dd96daca6c83ec Liam Girdwood 2019-04-12 1215 /* allow 64bit DMA address if supported by H/W */ ab152afa2427bb Takashi Iwai 2021-01-14 1216 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) { dd96daca6c83ec Liam Girdwood 2019-04-12 1217 dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); ab152afa2427bb Takashi Iwai 2021-01-14 1218 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32)); dd96daca6c83ec Liam Girdwood 2019-04-12 1219 } 8872fc0d045929 Takashi Iwai 2022-02-15 1220 dma_set_max_seg_size(&pci->dev, UINT_MAX); dd96daca6c83ec Liam Girdwood 2019-04-12 1221 dd96daca6c83ec Liam Girdwood 2019-04-12 1222 /* init streams */ dd96daca6c83ec Liam Girdwood 2019-04-12 1223 ret = hda_dsp_stream_init(sdev); dd96daca6c83ec Liam Girdwood 2019-04-12 1224 if (ret < 0) { dd96daca6c83ec Liam Girdwood 2019-04-12 1225 dev_err(sdev->dev, "error: failed to init streams\n"); dd96daca6c83ec Liam Girdwood 2019-04-12 1226 /* dd96daca6c83ec Liam Girdwood 2019-04-12 1227 * not all errors are due to memory issues, but trying dd96daca6c83ec Liam Girdwood 2019-04-12 1228 * to free everything does not harm dd96daca6c83ec Liam Girdwood 2019-04-12 1229 */ dd96daca6c83ec Liam Girdwood 2019-04-12 1230 goto free_streams; dd96daca6c83ec Liam Girdwood 2019-04-12 1231 } dd96daca6c83ec Liam Girdwood 2019-04-12 1232 dd96daca6c83ec Liam Girdwood 2019-04-12 1233 /* dd96daca6c83ec Liam Girdwood 2019-04-12 1234 * register our IRQ dd96daca6c83ec Liam Girdwood 2019-04-12 1235 * let's try to enable msi firstly dd96daca6c83ec Liam Girdwood 2019-04-12 1236 * if it fails, use legacy interrupt mode 672ff5e3596ee2 Guennadi Liakhovetski 2019-07-22 1237 * TODO: support msi multiple vectors dd96daca6c83ec Liam Girdwood 2019-04-12 1238 */ bb67dd1878de57 Pierre-Louis Bossart 2019-08-06 1239 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) { 672ff5e3596ee2 Guennadi Liakhovetski 2019-07-22 1240 dev_info(sdev->dev, "use msi interrupt mode\n"); 7c11af9fcdc425 Bard Liao 2019-12-04 1241 sdev->ipc_irq = pci_irq_vector(pci, 0); 672ff5e3596ee2 Guennadi Liakhovetski 2019-07-22 1242 /* initialised to "false" by kzalloc() */ 672ff5e3596ee2 Guennadi Liakhovetski 2019-07-22 1243 sdev->msi_enabled = true; 672ff5e3596ee2 Guennadi Liakhovetski 2019-07-22 1244 } 672ff5e3596ee2 Guennadi Liakhovetski 2019-07-22 1245 672ff5e3596ee2 Guennadi Liakhovetski 2019-07-22 1246 if (!sdev->msi_enabled) { dd96daca6c83ec Liam Girdwood 2019-04-12 1247 dev_info(sdev->dev, "use legacy interrupt mode\n"); dd96daca6c83ec Liam Girdwood 2019-04-12 1248 /* dd96daca6c83ec Liam Girdwood 2019-04-12 1249 * in IO-APIC mode, hda->irq and ipc_irq are using the same dd96daca6c83ec Liam Girdwood 2019-04-12 1250 * irq number of pci->irq dd96daca6c83ec Liam Girdwood 2019-04-12 1251 */ dd96daca6c83ec Liam Girdwood 2019-04-12 1252 sdev->ipc_irq = pci->irq; dd96daca6c83ec Liam Girdwood 2019-04-12 1253 } dd96daca6c83ec Liam Girdwood 2019-04-12 1254 dd96daca6c83ec Liam Girdwood 2019-04-12 1255 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq); 7c11af9fcdc425 Bard Liao 2019-12-04 1256 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler, 7c11af9fcdc425 Bard Liao 2019-12-04 1257 hda_dsp_interrupt_thread, 7c11af9fcdc425 Bard Liao 2019-12-04 1258 IRQF_SHARED, "AudioDSP", sdev); dd96daca6c83ec Liam Girdwood 2019-04-12 1259 if (ret < 0) { dd96daca6c83ec Liam Girdwood 2019-04-12 1260 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n", dd96daca6c83ec Liam Girdwood 2019-04-12 1261 sdev->ipc_irq); 7c11af9fcdc425 Bard Liao 2019-12-04 1262 goto free_irq_vector; dd96daca6c83ec Liam Girdwood 2019-04-12 1263 } dd96daca6c83ec Liam Girdwood 2019-04-12 1264 dd96daca6c83ec Liam Girdwood 2019-04-12 1265 pci_set_master(pci); dd96daca6c83ec Liam Girdwood 2019-04-12 1266 synchronize_irq(pci->irq); dd96daca6c83ec Liam Girdwood 2019-04-12 1267 dd96daca6c83ec Liam Girdwood 2019-04-12 1268 /* dd96daca6c83ec Liam Girdwood 2019-04-12 1269 * clear TCSEL to clear playback on some HD Audio dd96daca6c83ec Liam Girdwood 2019-04-12 1270 * codecs. PCI TCSEL is defined in the Intel manuals. dd96daca6c83ec Liam Girdwood 2019-04-12 1271 */ dd96daca6c83ec Liam Girdwood 2019-04-12 1272 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0); dd96daca6c83ec Liam Girdwood 2019-04-12 1273 dd96daca6c83ec Liam Girdwood 2019-04-12 1274 /* init HDA capabilities */ dd96daca6c83ec Liam Girdwood 2019-04-12 1275 ret = hda_init_caps(sdev); dd96daca6c83ec Liam Girdwood 2019-04-12 1276 if (ret < 0) dd96daca6c83ec Liam Girdwood 2019-04-12 1277 goto free_ipc_irq; dd96daca6c83ec Liam Girdwood 2019-04-12 1278 9fc6786f549c4d Pierre-Louis Bossart 2023-04-04 1279 if (!sdev->dspless_mode_selected) { 1f5253b08e06bc Zhu Yingjiang 2019-05-22 1280 /* enable ppcap interrupt */ 1f5253b08e06bc Zhu Yingjiang 2019-05-22 1281 hda_dsp_ctrl_ppcap_enable(sdev, true); 1f5253b08e06bc Zhu Yingjiang 2019-05-22 1282 hda_dsp_ctrl_ppcap_int_enable(sdev, true); dd96daca6c83ec Liam Girdwood 2019-04-12 1283 dd96daca6c83ec Liam Girdwood 2019-04-12 1284 /* set default mailbox offset for FW ready message */ dd96daca6c83ec Liam Girdwood 2019-04-12 1285 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; dd96daca6c83ec Liam Girdwood 2019-04-12 1286 63e51fd33fef04 Ranjani Sridharan 2020-01-29 1287 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work); 9fc6786f549c4d Pierre-Louis Bossart 2023-04-04 1288 } 63e51fd33fef04 Ranjani Sridharan 2020-01-29 1289 e2379d4a83da44 Pierre-Louis Bossart 2022-09-20 1290 init_waitqueue_head(&hdev->waitq); e2379d4a83da44 Pierre-Louis Bossart 2022-09-20 1291 95fa7a62e16463 Pierre-Louis Bossart 2022-04-21 1292 hdev->nhlt = intel_nhlt_init(sdev->dev); 95fa7a62e16463 Pierre-Louis Bossart 2022-04-21 1293 dd96daca6c83ec Liam Girdwood 2019-04-12 1294 return 0; dd96daca6c83ec Liam Girdwood 2019-04-12 1295 dd96daca6c83ec Liam Girdwood 2019-04-12 1296 free_ipc_irq: dd96daca6c83ec Liam Girdwood 2019-04-12 1297 free_irq(sdev->ipc_irq, sdev); dd96daca6c83ec Liam Girdwood 2019-04-12 1298 free_irq_vector: dd96daca6c83ec Liam Girdwood 2019-04-12 1299 if (sdev->msi_enabled) dd96daca6c83ec Liam Girdwood 2019-04-12 1300 pci_free_irq_vectors(pci); dd96daca6c83ec Liam Girdwood 2019-04-12 1301 free_streams: dd96daca6c83ec Liam Girdwood 2019-04-12 1302 hda_dsp_stream_free(sdev); dd96daca6c83ec Liam Girdwood 2019-04-12 1303 /* dsp_unmap: not currently used */ 9fc6786f549c4d Pierre-Louis Bossart 2023-04-04 1304 if (!sdev->dspless_mode_selected) dd96daca6c83ec Liam Girdwood 2019-04-12 1305 iounmap(sdev->bar[HDA_DSP_BAR]); dd96daca6c83ec Liam Girdwood 2019-04-12 1306 hdac_bus_unmap: 5bb0ecddb2a7f6 Pierre-Louis Bossart 2021-03-01 1307 platform_device_unregister(hdev->dmic_dev); 47f868f27a979a Pierre-Louis Bossart 2023-08-30 1308 dd96daca6c83ec Liam Girdwood 2019-04-12 1309 return ret; dd96daca6c83ec Liam Girdwood 2019-04-12 1310 } dd96daca6c83ec Liam Girdwood 2019-04-12 1311