Hi Thierry, kernel test robot noticed the following build errors:
[auto build test ERROR on next-20250902] [also build test ERROR on v6.17-rc4] [cannot apply to robh/for-next akpm-mm/mm-everything tegra/for-next linus/master v6.17-rc4 v6.17-rc3 v6.17-rc2] [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/Thierry-Reding/dt-bindings-reserved-memory-Document-Tegra-VPR/20250902-235038 base: next-20250902 patch link: https://lore.kernel.org/r/20250902154630.4032984-6-thierry.reding%40gmail.com patch subject: [PATCH 5/9] dma-buf: heaps: Add support for Tegra VPR config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250905/202509051316.hlzf9haw-...@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/20250905/202509051316.hlzf9haw-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202509051316.hlzf9haw-...@intel.com/ All errors (new ones prefixed by >>): >> drivers/dma-buf/heaps/tegra-vpr.c:158:26: error: called object type 'void *' >> is not a function or function pointer 158 | err = pm_generic_freeze(node->dev); | ~~~~~~~~~~~~~~~~~^ drivers/dma-buf/heaps/tegra-vpr.c:175:24: error: called object type 'void *' is not a function or function pointer 175 | err = pm_generic_thaw(node->dev); | ~~~~~~~~~~~~~~~^ drivers/dma-buf/heaps/tegra-vpr.c:192:14: error: call to undeclared function '__ptep_get'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 192 | pte_t pte = __ptep_get(ptep); | ^ drivers/dma-buf/heaps/tegra-vpr.c:192:14: note: did you mean 'ptep_get'? include/linux/pgtable.h:338:21: note: 'ptep_get' declared here 338 | static inline pte_t ptep_get(pte_t *ptep) | ^ drivers/dma-buf/heaps/tegra-vpr.c:192:8: error: initializing 'pte_t' with an expression of incompatible type 'int' 192 | pte_t pte = __ptep_get(ptep); | ^ ~~~~~~~~~~~~~~~~ drivers/dma-buf/heaps/tegra-vpr.c:194:36: error: use of undeclared identifier 'PROT_NORMAL'; did you mean 'ZONE_NORMAL'? 194 | pte = clear_pte_bit(pte, __pgprot(PROT_NORMAL)); | ^~~~~~~~~~~ | ZONE_NORMAL arch/s390/include/asm/page.h:122:36: note: expanded from macro '__pgprot' 122 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ^ include/linux/mmzone.h:806:2: note: 'ZONE_NORMAL' declared here 806 | ZONE_NORMAL, | ^ drivers/dma-buf/heaps/tegra-vpr.c:195:34: error: use of undeclared identifier 'PROT_DEVICE_nGnRnE' 195 | pte = set_pte_bit(pte, __pgprot(PROT_DEVICE_nGnRnE)); | ^ drivers/dma-buf/heaps/tegra-vpr.c:197:2: error: call to undeclared function '__set_pte'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 197 | __set_pte(ptep, pte); | ^ drivers/dma-buf/heaps/tegra-vpr.c:197:2: note: did you mean 'set_pte'? arch/s390/include/asm/pgtable.h:1041:20: note: 'set_pte' declared here 1041 | static inline void set_pte(pte_t *ptep, pte_t pte) | ^ drivers/dma-buf/heaps/tegra-vpr.c:205:14: error: call to undeclared function '__ptep_get'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 205 | pte_t pte = __ptep_get(ptep); | ^ drivers/dma-buf/heaps/tegra-vpr.c:205:8: error: initializing 'pte_t' with an expression of incompatible type 'int' 205 | pte_t pte = __ptep_get(ptep); | ^ ~~~~~~~~~~~~~~~~ drivers/dma-buf/heaps/tegra-vpr.c:207:36: error: use of undeclared identifier 'PROT_DEVICE_nGnRnE' 207 | pte = clear_pte_bit(pte, __pgprot(PROT_DEVICE_nGnRnE)); | ^ drivers/dma-buf/heaps/tegra-vpr.c:208:34: error: use of undeclared identifier 'PROT_NORMAL'; did you mean 'ZONE_NORMAL'? 208 | pte = set_pte_bit(pte, __pgprot(PROT_NORMAL)); | ^~~~~~~~~~~ | ZONE_NORMAL arch/s390/include/asm/page.h:122:36: note: expanded from macro '__pgprot' 122 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ^ include/linux/mmzone.h:806:2: note: 'ZONE_NORMAL' declared here 806 | ZONE_NORMAL, | ^ drivers/dma-buf/heaps/tegra-vpr.c:210:2: error: call to undeclared function '__set_pte'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 210 | __set_pte(ptep, pte); | ^ 12 errors generated. vim +158 drivers/dma-buf/heaps/tegra-vpr.c 135 136 static int tegra_vpr_resize(struct tegra_vpr *vpr) 137 { 138 struct tegra_vpr_device *node; 139 phys_addr_t base, size; 140 int err; 141 142 err = tegra_vpr_get_extents(vpr, &base, &size); 143 if (err < 0) { 144 pr_err("%s(): failed to get VPR extents: %d\n", __func__, err); 145 return err; 146 } 147 148 if (vpr->use_freezer) { 149 err = freeze_processes(); 150 if (err < 0) { 151 pr_err("%s(): failed to freeze processes: %d\n", 152 __func__, err); 153 return err; 154 } 155 } 156 157 list_for_each_entry(node, &vpr->devices, node) { > 158 err = pm_generic_freeze(node->dev); 159 if (err < 0) { 160 pr_err("failed to runtime suspend %s\n", 161 dev_name(node->dev)); 162 continue; 163 } 164 } 165 166 trace_tegra_vpr_set(base, size); 167 168 err = tegra_vpr_set(base, size); 169 if (err < 0) { 170 pr_err("failed to secure VPR: %d\n", err); 171 return err; 172 } 173 174 list_for_each_entry(node, &vpr->devices, node) { 175 err = pm_generic_thaw(node->dev); 176 if (err < 0) { 177 pr_err("failed to runtime resume %s\n", 178 dev_name(node->dev)); 179 continue; 180 } 181 } 182 183 if (vpr->use_freezer) 184 thaw_processes(); 185 186 return 0; 187 } 188 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
