tree: https://github.com/avpatel/linux.git riscv_aia_v1 head: 548260cfe0acea0be6f270e42d7e68832a904bb0 commit: 543ca1dce814a3933727ad2fa6c45b8c1b6183b8 [13/14] irqchip: Add RISC-V incoming MSI controller driver config: riscv-allyesconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/avpatel/linux/commit/543ca1dce814a3933727ad2fa6c45b8c1... git remote add avpatel https://github.com/avpatel/linux.git git fetch --no-tags avpatel riscv_aia_v1 git checkout 543ca1dce814a3933727ad2fa6c45b8c1b6183b8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/irqchip/irq-riscv-imsic.c:149:29: sparse: expected void * drivers/irqchip/irq-riscv-imsic.c:149:29: sparse: got void [noderef] __iomem *msi_va drivers/irqchip/irq-riscv-imsic.c:405:17: sparse: expected void volatile [noderef] __iomem *addr drivers/irqchip/irq-riscv-imsic.c:405:17: sparse: got void *[addressable] target_msi_va drivers/irqchip/irq-riscv-imsic.c:671:17: sparse: expected void volatile [noderef] __iomem *addr drivers/irqchip/irq-riscv-imsic.c:671:17: sparse: got void *[addressable] msi_va vim +149 drivers/irqchip/irq-riscv-imsic.c 139 140 static int imsic_get_cpu_msi_virt(unsigned int cpu, void **out_msi_va) 141 { 142 struct imsic_handler *handler; 143 144 handler = per_cpu_ptr(&imsic_handlers, cpu); 145 if (handler->msi_va) 146 return -ENODEV; 147 148 if (out_msi_va) 150 151 return 0; 152 } 153 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org