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Box" Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Hans de Goede , Ilpo =?iso-8859-1?Q?J=E4rvinen?= Subject: drivers/platform/x86/intel/pmc/core_ssram.c:98:25: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202403050547.qnZtuNlN-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org 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/torvalds/linux.git master head: 90d35da658da8cff0d4ecbb5113f5fac9d00eb72 commit: a01486dc4bb17de976c6d0a4b1ad5f8106525dfb platform/x86/intel/pmc: Cleanup SSRAM discovery date: 3 months ago config: x86_64-randconfig-r111-20240304 (https://download.01.org/0day-ci/archive/20240305/202403050547.qnZtuNlN-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240305/202403050547.qnZtuNlN-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/202403050547.qnZtuNlN-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/platform/x86/intel/pmc/core_ssram.c:98:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile *val @@ got void [noderef] __iomem *__val @@ drivers/platform/x86/intel/pmc/core_ssram.c:98:25: sparse: expected void const volatile *val drivers/platform/x86/intel/pmc/core_ssram.c:98:25: sparse: got void [noderef] __iomem *__val vim +98 drivers/platform/x86/intel/pmc/core_ssram.c 70 71 static int 72 pmc_core_ssram_get_pmc(struct pmc_dev *pmcdev, int pmc_idx, u32 offset) 73 { 74 struct pci_dev *ssram_pcidev = pmcdev->ssram_pcidev; 75 void __iomem __free(pmc_core_iounmap) *tmp_ssram = NULL; 76 void __iomem __free(pmc_core_iounmap) *ssram = NULL; 77 const struct pmc_reg_map *map; 78 u64 ssram_base, pwrm_base; 79 u16 devid; 80 81 if (!pmcdev->regmap_list) 82 return -ENOENT; 83 84 ssram_base = ssram_pcidev->resource[0].start; 85 tmp_ssram = ioremap(ssram_base, SSRAM_HDR_SIZE); 86 87 if (pmc_idx != PMC_IDX_MAIN) { 88 /* 89 * The secondary PMC BARS (which are behind hidden PCI devices) 90 * are read from fixed offsets in MMIO of the primary PMC BAR. 91 */ 92 ssram_base = get_base(tmp_ssram, offset); 93 ssram = ioremap(ssram_base, SSRAM_HDR_SIZE); 94 if (!ssram) 95 return -ENOMEM; 96 97 } else { > 98 ssram = no_free_ptr(tmp_ssram); 99 } 100 101 pwrm_base = get_base(ssram, SSRAM_PWRM_OFFSET); 102 devid = readw(ssram + SSRAM_DEVID_OFFSET); 103 104 map = pmc_core_find_regmap(pmcdev->regmap_list, devid); 105 if (!map) 106 return -ENODEV; 107 108 return pmc_core_pmc_add(pmcdev, pwrm_base, map, PMC_IDX_MAIN); 109 } 110 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki