Hi Stanislav, kernel test robot noticed the following build errors: [auto build test ERROR on pci/next] [also build test ERROR on pci/for-linus linus/master v6.7-rc2 next-20231122] [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/Stanislav-Kinsburskii/PCI-mediatek-Fix-sparse-warning-caused-to-virt_to_phys-prototype-change/20231121-080253 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/170052491316.21557.13173111699965824301.stgit%40skinsburskii. patch subject: [PATCH v2] PCI: mediatek: Fix sparse warning caused to virt_to_phys() prototype change config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231122/202311221830.SR5dv3X7-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231122/202311221830.SR5dv3X7-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/202311221830.SR5dv3X7-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/pci/controller/pcie-mediatek.c:400:22: error: passing 'const void *' to parameter of type 'volatile void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] addr = virt_to_phys((__force const void *)port->base + PCIE_MSI_VECTOR); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/io.h:128:55: note: passing argument to parameter 'address' here static inline phys_addr_t virt_to_phys(volatile void *address) ^ drivers/pci/controller/pcie-mediatek.c:523:26: error: passing 'const void *' to parameter of type 'volatile void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] msg_addr = virt_to_phys((__force const void *)port->base + PCIE_MSI_VECTOR); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/io.h:128:55: note: passing argument to parameter 'address' here static inline phys_addr_t virt_to_phys(volatile void *address) ^ 2 errors generated. vim +400 drivers/pci/controller/pcie-mediatek.c 393 394 static void mtk_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) 395 { 396 struct mtk_pcie_port *port = irq_data_get_irq_chip_data(data); 397 phys_addr_t addr; 398 399 /* MT2712/MT7622 only support 32-bit MSI addresses */ > 400 addr = virt_to_phys((__force const void *)port->base + PCIE_MSI_VECTOR); 401 msg->address_hi = 0; 402 msg->address_lo = lower_32_bits(addr); 403 404 msg->data = data->hwirq; 405 406 dev_dbg(port->pcie->dev, "msi#%d address_hi %#x address_lo %#x\n", 407 (int)data->hwirq, msg->address_hi, msg->address_lo); 408 } 409 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
