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X-CSE-ConnectionGUID: peDHM9NBRsaqTSmsxsbjRQ== X-CSE-MsgGUID: ieuUwBf3Sny3Qk3eFOagnw== X-IronPort-AV: E=McAfee;i="6700,10204,11236"; a="40207368" X-IronPort-AV: E=Sophos;i="6.11,233,1725346800"; d="scan'208";a="40207368" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2024 20:41:46 -0700 X-CSE-ConnectionGUID: Fwq0f7NNQeSovOi2wiKuSw== X-CSE-MsgGUID: 6bPXzeA8RAiCRHVcJ2VBEA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,233,1725346800"; d="scan'208";a="85065261" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 25 Oct 2024 20:41:44 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t4XgM-000ZE8-18; Sat, 26 Oct 2024 03:41:42 +0000 Date: Sat, 26 Oct 2024 11:41:10 +0800 From: kernel test robot To: Hans de Goede Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Mark Brown Subject: [broonie-ci:asoc-6.12 30/30] sound/soc/intel/atom/sst/sst_acpi.c:311:12: warning: variable 'ctx' is uninitialized when used here Message-ID: <202410261106.EBx49ssy-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/ci.git asoc-6.12 head: 6668610b4d8ce9a3ee3ed61a9471f62fb5f05bf9 commit: 6668610b4d8ce9a3ee3ed61a9471f62fb5f05bf9 [30/30] ASoC: Intel: sst: Support LPE0F28 ACPI HID config: x86_64-buildonly-randconfig-004-20241026 (https://download.01.org/0day-ci/archive/20241026/202410261106.EBx49ssy-lkp@intel.com/config) compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241026/202410261106.EBx49ssy-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202410261106.EBx49ssy-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from sound/soc/intel/atom/sst/sst_acpi.c:24: In file included from include/sound/soc.h:26: In file included from include/sound/ac97_codec.h:17: In file included from include/sound/pcm.h:15: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> sound/soc/intel/atom/sst/sst_acpi.c:311:12: warning: variable 'ctx' is uninitialized when used here [-Wuninitialized] 311 | dev_err(ctx->dev, "Invalid SHIM base\n"); | ^~~ include/linux/dev_printk.h:154:44: note: expanded from macro 'dev_err' 154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~ include/linux/dev_printk.h:110:11: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ sound/soc/intel/atom/sst/sst_acpi.c:260:27: note: initialize the variable 'ctx' to silence this warning 260 | struct intel_sst_drv *ctx; | ^ | = NULL 2 warnings generated. vim +/ctx +311 sound/soc/intel/atom/sst/sst_acpi.c 255 256 static int sst_acpi_probe(struct platform_device *pdev) 257 { 258 struct device *dev = &pdev->dev; 259 int ret = 0; 260 struct intel_sst_drv *ctx; 261 const struct acpi_device_id *id; 262 struct snd_soc_acpi_mach *mach; 263 struct platform_device *mdev; 264 struct platform_device *plat_dev; 265 struct sst_platform_info *pdata; 266 unsigned int dev_id; 267 268 id = acpi_match_device(dev->driver->acpi_match_table, dev); 269 if (!id) 270 return -ENODEV; 271 272 ret = snd_intel_acpi_dsp_driver_probe(dev, id->id); 273 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SST) { 274 dev_dbg(dev, "SST ACPI driver not selected, aborting probe\n"); 275 return -ENODEV; 276 } 277 278 dev_dbg(dev, "for %s\n", id->id); 279 280 mach = (struct snd_soc_acpi_mach *)id->driver_data; 281 mach = snd_soc_acpi_find_machine(mach); 282 if (mach == NULL) { 283 dev_err(dev, "No matching machine driver found\n"); 284 return -ENODEV; 285 } 286 287 if (soc_intel_is_byt()) 288 mach->pdata = &byt_rvp_platform_data; 289 else 290 mach->pdata = &chv_platform_data; 291 pdata = mach->pdata; 292 293 if (!strcmp(id->id, "LPE0F28")) { 294 struct resource *rsrc; 295 296 /* Use regular BYT SST PCI VID:PID */ 297 dev_id = 0x80860F28; 298 byt_rvp_platform_data.res_info = &lpe8086_res_info; 299 300 /* 301 * The "LPE0F28" ACPI device has separate IO-mem resources for: 302 * DDR, SHIM, MBOX, IRAM, DRAM, CFG 303 * None of which covers the entire LPE base address range. 304 * lpe8086_res_info.acpi_lpe_res_index points to the SHIM. 305 * Patch this to cover the entire base address range as expected 306 * by sst_platform_get_resources(). 307 */ 308 rsrc = platform_get_resource(pdev, IORESOURCE_MEM, 309 pdata->res_info->acpi_lpe_res_index); 310 if (!rsrc) { > 311 dev_err(ctx->dev, "Invalid SHIM base\n"); 312 return -EIO; 313 } 314 rsrc->start -= pdata->res_info->shim_offset; 315 rsrc->end = rsrc->start + 0x200000 - 1; 316 } else { 317 ret = kstrtouint(id->id, 16, &dev_id); 318 if (ret < 0) { 319 dev_err(dev, "Unique device id conversion error: %d\n", ret); 320 return ret; 321 } 322 323 if (soc_intel_is_byt_cr(pdev)) 324 byt_rvp_platform_data.res_info = &bytcr_res_info; 325 } 326 327 dev_dbg(dev, "ACPI device id: %x\n", dev_id); 328 329 ret = sst_alloc_drv_context(&ctx, dev, dev_id); 330 if (ret < 0) 331 return ret; 332 333 /* update machine parameters */ 334 mach->mach_params.acpi_ipc_irq_index = 335 pdata->res_info->acpi_ipc_irq_index; 336 337 plat_dev = platform_device_register_data(dev, pdata->platform, -1, 338 NULL, 0); 339 if (IS_ERR(plat_dev)) { 340 dev_err(dev, "Failed to create machine device: %s\n", 341 pdata->platform); 342 return PTR_ERR(plat_dev); 343 } 344 345 /* 346 * Create platform device for sst machine driver, 347 * pass machine info as pdata 348 */ 349 mdev = platform_device_register_data(dev, mach->drv_name, -1, 350 (const void *)mach, sizeof(*mach)); 351 if (IS_ERR(mdev)) { 352 dev_err(dev, "Failed to create machine device: %s\n", 353 mach->drv_name); 354 return PTR_ERR(mdev); 355 } 356 357 /* Fill sst platform data */ 358 ctx->pdata = pdata; 359 strcpy(ctx->firmware_name, mach->fw_filename); 360 361 ret = sst_platform_get_resources(ctx); 362 if (ret) 363 return ret; 364 365 ret = sst_context_init(ctx); 366 if (ret < 0) 367 return ret; 368 369 sst_configure_runtime_pm(ctx); 370 platform_set_drvdata(pdev, ctx); 371 return ret; 372 } 373 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki