Hi Bibek, kernel test robot noticed the following build warnings: [auto build test WARNING on joro-iommu/next] [also build test WARNING on linus/master v6.10-rc5 next-20240627] [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/Bibek-Kumar-Patro/iommu-arm-smmu-re-enable-context-caching-in-smmu-reset-operation/20240627-074037 base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next patch link: https://lore.kernel.org/r/20240626143020.3682243-7-quic_bibekkum%40quicinc.com patch subject: [PATCH v12 6/6] iommu/arm-smmu: add support for PRR bit setup config: arm64-randconfig-r113-20240628 (https://download.01.org/0day-ci/archive/20240628/202406281241.xEX0TWjt-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240628/202406281241.xEX0TWjt-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202406281241.xEX0TWjt-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c:247:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c:247:54: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c:247:54: sparse: got void * drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c:250:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c:250:54: sparse: expected void volatile [noderef] __iomem *addr drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c:250:54: sparse: got void * drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/slab.h, ...): include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false vim +247 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c 238 239 static void qcom_adreno_smmu_set_prr(const void *cookie, phys_addr_t page_addr, bool set) 240 { 241 struct arm_smmu_domain *smmu_domain = (void *)cookie; 242 struct arm_smmu_cfg *cfg = &smmu_domain->cfg; 243 struct arm_smmu_device *smmu = smmu_domain->smmu; 244 u32 reg = 0; 245 246 writel_relaxed(lower_32_bits(page_addr), > 247 (void *)smmu->ioaddr + ARM_SMMU_GFX_PRR_CFG_LADDR); 248 249 writel_relaxed(upper_32_bits(page_addr), 250 (void *)smmu->ioaddr + ARM_SMMU_GFX_PRR_CFG_UADDR); 251 252 reg = arm_smmu_cb_read(smmu, cfg->cbndx, ARM_SMMU_CB_ACTLR); 253 reg &= ~GFX_ACTLR_PRR; 254 if (set) 255 reg |= FIELD_PREP(GFX_ACTLR_PRR, 1); 256 arm_smmu_cb_write(smmu, cfg->cbndx, ARM_SMMU_CB_ACTLR, reg); 257 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki