Hi Mukesh,

kernel test robot noticed the following build warnings:

[auto build test WARNING on remoteproc/rproc-next]
[also build test WARNING on linus/master v7.0-rc5 next-20260327]
[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/Mukesh-Ojha/remoteproc-qcom-pas-Map-unmap-subsystem-region-before-auth_and_reset/20260328-004624
base:   https://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git 
rproc-next
patch link:    
https://lore.kernel.org/r/20260325191301.164579-2-mukesh.ojha%40oss.qualcomm.com
patch subject: [PATCH v2 2/3] remoteproc: qcom: pas: Map/unmap subsystem region 
before auth_and_reset
config: arm64-randconfig-r113-20260328 
(https://download.01.org/0day-ci/archive/20260328/[email protected]/config)
compiler: aarch64-linux-gcc (GCC) 8.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20260328/[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]/

sparse warnings: (new ones prefixed by >>)
>> drivers/soc/qcom/mdt_loader.c:496:20: sparse: sparse: incorrect type in 
>> assignment (different address spaces) @@     expected void *mem_region @@    
>>  got void [noderef] __iomem * @@
   drivers/soc/qcom/mdt_loader.c:496:20: sparse:     expected void *mem_region
   drivers/soc/qcom/mdt_loader.c:496:20: sparse:     got void [noderef] __iomem 
*
>> drivers/soc/qcom/mdt_loader.c:505:17: sparse: sparse: incorrect type in 
>> argument 1 (different address spaces) @@     expected void volatile 
>> [noderef] __iomem *addr @@     got void *mem_region @@
   drivers/soc/qcom/mdt_loader.c:505:17: sparse:     expected void volatile 
[noderef] __iomem *addr
   drivers/soc/qcom/mdt_loader.c:505:17: sparse:     got void *mem_region

vim +496 drivers/soc/qcom/mdt_loader.c

   469  
   470  /**
   471   * qcom_mdt_pas_load - Loads and authenticates the metadata of the 
firmware
   472   * (typically contained in the .mdt file), followed by loading the 
actual
   473   * firmware segments (e.g., .bXX files). Authentication of the segments 
done
   474   * by a separate call.
   475   *
   476   * The PAS context must be initialized using qcom_scm_pas_context_init()
   477   * prior to invoking this function.
   478   *
   479   * @ctx:        Pointer to the PAS (Peripheral Authentication Service) 
context
   480   * @fw:         Firmware object representing the .mdt file
   481   * @firmware:   Name of the firmware used to construct segment file 
names
   482   * @reloc_base: Physical address adjusted after relocation
   483   *
   484   * Return: 0 on success or a negative error code on failure.
   485   */
   486  int qcom_mdt_pas_load(struct qcom_scm_pas_context *ctx, const struct 
firmware *fw,
   487                        const char *firmware, phys_addr_t *reloc_base)
   488  {
   489          void *mem_region;
   490          int ret;
   491  
   492          ret = __qcom_mdt_pas_init(ctx->dev, fw, firmware, ctx->pas_id, 
ctx->mem_phys, ctx);
   493          if (ret)
   494                  return ret;
   495  
 > 496          mem_region = ioremap_wc(ctx->mem_phys, ctx->mem_size);
   497          if (!mem_region) {
   498                  dev_err(ctx->dev, "unable to map memory region: 
%pa+%zx\n", &ctx->mem_phys,
   499                          ctx->mem_size);
   500                  return -EINVAL;
   501          }
   502  
   503          ret = qcom_mdt_load_no_init(ctx->dev, fw, firmware, mem_region, 
ctx->mem_phys,
   504                                      ctx->mem_size, reloc_base);
 > 505          iounmap(mem_region);
   506          return ret;
   507  }
   508  EXPORT_SYMBOL_GPL(qcom_mdt_pas_load);
   509  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Reply via email to