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charset=us-ascii Content-Disposition: inline tree: https://github.com/avpatel/linux.git riscv_unaligned_test_skip_v1 head: aa50b53026d20b9d37c6d17a3cf2f42e65a2a636 commit: 13851aef320d7e43e85b08933a00593dd1322653 [28/77] mailbox/riscv-sbi-mpxy: Add ACPI support config: riscv-randconfig-001-20250209 (https://download.01.org/0day-ci/archive/20250209/202502091536.UuAYP9pL-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250209/202502091536.UuAYP9pL-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/202502091536.UuAYP9pL-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/mailbox/riscv-sbi-mpxy-mbox.c:20: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:804:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 804 | insb(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:104:53: note: expanded from macro 'insb' 104 | #define insb(addr, buffer, count) __insb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from drivers/mailbox/riscv-sbi-mpxy-mbox.c:20: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:812:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 812 | insw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw' 105 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from drivers/mailbox/riscv-sbi-mpxy-mbox.c:20: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:820:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 820 | insl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl' 106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from drivers/mailbox/riscv-sbi-mpxy-mbox.c:20: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:829:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 829 | outsb(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb' 118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from drivers/mailbox/riscv-sbi-mpxy-mbox.c:20: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:838:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 838 | outsw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw' 119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from drivers/mailbox/riscv-sbi-mpxy-mbox.c:20: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:847:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 847 | outsl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl' 120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from drivers/mailbox/riscv-sbi-mpxy-mbox.c:20: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ >> drivers/mailbox/riscv-sbi-mpxy-mbox.c:1005:36: warning: unused variable 'mpxy_mbox_acpi_match' [-Wunused-const-variable] 1005 | static const struct acpi_device_id mpxy_mbox_acpi_match[] = { | ^~~~~~~~~~~~~~~~~~~~ 8 warnings generated. vim +/mpxy_mbox_acpi_match +1005 drivers/mailbox/riscv-sbi-mpxy-mbox.c 1004 > 1005 static const struct acpi_device_id mpxy_mbox_acpi_match[] = { 1006 { "RSCV0005" }, 1007 {} 1008 }; 1009 MODULE_DEVICE_TABLE(acpi, mpxy_mbox_acpi_match); 1010 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki