* [bcain:bcain/hexagon-kcfi 26/93] arch/hexagon/kernel/devtree.c:104:36: error: redefinition of 'setup_machine_fdt'
@ 2026-08-08 14:12 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-08-08 14:12 UTC (permalink / raw)
To: Richard Kuo; +Cc: llvm, oe-kbuild-all, Brian Cain
tree: https://git.kernel.org/pub/scm/linux/kernel/git/bcain/linux.git bcain/hexagon-kcfi
head: ce0e62c277ea2fc51b37b0625eeacdc5631a488f
commit: c01c2aee2f3a158faf365c893a4578a5a0dee73f [26/93] hexagon: add memory management enhancements
config: hexagon-randconfig-001-20260808 (https://download.01.org/0day-ci/archive/20260808/202608082128.yZZBqpdG-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 12df34b8469b8095359de8c249cb1b2753fadeea)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260808/202608082128.yZZBqpdG-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608082128.yZZBqpdG-lkp@intel.com/
All errors (new ones prefixed by >>):
arch/hexagon/kernel/devtree.c:17:13: warning: no previous prototype for function 'early_init_dt_add_memory_arch' [-Wmissing-prototypes]
17 | void __init early_init_dt_add_memory_arch(u64 base, u64 size)
| ^
arch/hexagon/kernel/devtree.c:17:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
17 | void __init early_init_dt_add_memory_arch(u64 base, u64 size)
| ^
| static
arch/hexagon/kernel/devtree.c:50:6: error: call to undeclared function 'of_get_flat_dt_prop'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
50 | p = of_get_flat_dt_prop(node, "bootargs", &l);
| ^
arch/hexagon/kernel/devtree.c:50:4: error: incompatible integer to pointer conversion assigning to 'char *' from 'int' [-Wint-conversion]
50 | p = of_get_flat_dt_prop(node, "bootargs", &l);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/hexagon/kernel/devtree.c:104:29: warning: attribute declaration must precede definition [-Wignored-attributes]
104 | const struct machine_desc * __init setup_machine_fdt(void *dt_phys)
| ^
include/linux/init.h:45:17: note: expanded from macro '__init'
45 | #define __init __section(".init.text") __cold __latent_entropy \
| ^
include/linux/compiler_attributes.h:330:56: note: expanded from macro '__section'
330 | #define __section(section) __attribute__((__section__(section)))
| ^
arch/hexagon/include/asm/prom.h:14:42: note: previous definition is here
14 | static inline const struct machine_desc *setup_machine_fdt(void *dt_phys)
| ^
arch/hexagon/kernel/devtree.c:104:29: warning: attribute declaration must precede definition [-Wignored-attributes]
104 | const struct machine_desc * __init setup_machine_fdt(void *dt_phys)
| ^
include/linux/init.h:45:41: note: expanded from macro '__init'
45 | #define __init __section(".init.text") __cold __latent_entropy \
| ^
include/linux/compiler_types.h:112:34: note: expanded from macro '__cold'
112 | #define __cold __attribute__((__cold__))
| ^
arch/hexagon/include/asm/prom.h:14:42: note: previous definition is here
14 | static inline const struct machine_desc *setup_machine_fdt(void *dt_phys)
| ^
>> arch/hexagon/kernel/devtree.c:104:36: error: redefinition of 'setup_machine_fdt'
104 | const struct machine_desc * __init setup_machine_fdt(void *dt_phys)
| ^
arch/hexagon/include/asm/prom.h:14:42: note: previous definition is here
14 | static inline const struct machine_desc *setup_machine_fdt(void *dt_phys)
| ^
>> arch/hexagon/kernel/devtree.c:120:2: error: use of undeclared identifier 'initial_boot_params'
120 | initial_boot_params = dt_phys;
| ^~~~~~~~~~~~~~~~~~~
arch/hexagon/kernel/devtree.c:126:23: error: use of undeclared identifier 'initial_boot_params'
126 | if (fdt_magic(initial_boot_params) != OF_DT_HEADER) {
| ^~~~~~~~~~~~~~~~~~~
arch/hexagon/kernel/devtree.c:130:12: error: call to undeclared function 'of_get_flat_dt_root'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
130 | dt_root = of_get_flat_dt_root();
| ^
arch/hexagon/kernel/devtree.c:132:15: error: call to undeclared function 'of_flat_dt_match_machine'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
132 | mdesc_best = of_flat_dt_match_machine(NULL, arch_get_next_mach);
| ^
arch/hexagon/kernel/devtree.c:132:13: error: incompatible integer to pointer conversion assigning to 'const struct machine_desc *' from 'int' [-Wint-conversion]
132 | mdesc_best = of_flat_dt_match_machine(NULL, arch_get_next_mach);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/hexagon/kernel/devtree.c:142:9: error: call to undeclared function 'early_init_dt_scan_root'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
142 | early_init_dt_scan_root();
| ^
arch/hexagon/kernel/devtree.c:147:2: error: call to undeclared function 'early_init_dt_scan_chosen'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
147 | early_init_dt_scan_chosen(boot_command_line);
| ^
3 warnings and 10 errors generated.
vim +/setup_machine_fdt +104 arch/hexagon/kernel/devtree.c
5d4b53d10af44d Brian Cain 2026-01-24 89
288801685d7137 Richard Kuo 2025-08-18 90 /*
288801685d7137 Richard Kuo 2025-08-18 91 * setup_machine_fdt - set up machine based on dtb passed to kernel
288801685d7137 Richard Kuo 2025-08-18 92 * @dt_phys: physical address of dtb
288801685d7137 Richard Kuo 2025-08-18 93 *
288801685d7137 Richard Kuo 2025-08-18 94 * Sets up some of the earliest stuff -- setting the machine type,
288801685d7137 Richard Kuo 2025-08-18 95 * pulling the command line options, and finding the memory.
288801685d7137 Richard Kuo 2025-08-18 96 *
288801685d7137 Richard Kuo 2025-08-18 97 * Since we're calling this from setup_arch, this is going to happen
288801685d7137 Richard Kuo 2025-08-18 98 * very, very early. Prior to even the bootmem being set up in the
288801685d7137 Richard Kuo 2025-08-18 99 * old scheme I think.
288801685d7137 Richard Kuo 2025-08-18 100 *
288801685d7137 Richard Kuo 2025-08-18 101 * Also since we're always being fired up by the hypervisor, then
288801685d7137 Richard Kuo 2025-08-18 102 * we are already running with the MMU on with an init segtable.
288801685d7137 Richard Kuo 2025-08-18 103 */
5d4b53d10af44d Brian Cain 2026-01-24 @104 const struct machine_desc * __init setup_machine_fdt(void *dt_phys)
288801685d7137 Richard Kuo 2025-08-18 105 {
5d4b53d10af44d Brian Cain 2026-01-24 106 const struct machine_desc *mdesc_best = NULL;
288801685d7137 Richard Kuo 2025-08-18 107 unsigned long dt_root;
288801685d7137 Richard Kuo 2025-08-18 108
288801685d7137 Richard Kuo 2025-08-18 109 #ifdef CONFIG_HEXAGON_MSM8974_FLUID
288801685d7137 Richard Kuo 2025-08-18 110 // Fixme: use this for... everybody if possible
288801685d7137 Richard Kuo 2025-08-18 111 // The "tags" struct or whatever provided by LK; currently stuffing it in the "external buffer" space.
288801685d7137 Richard Kuo 2025-08-18 112 initial_boot_params = (void *) &external_buffer;
288801685d7137 Richard Kuo 2025-08-18 113 dt_root = of_get_flat_dt_root();
288801685d7137 Richard Kuo 2025-08-18 114 of_scan_flat_dt(early_init_dt_scan_chosen_noinitrd, boot_command_line);
288801685d7137 Richard Kuo 2025-08-18 115 #endif
288801685d7137 Richard Kuo 2025-08-18 116
288801685d7137 Richard Kuo 2025-08-18 117 /* reset global pointer that devtree uses to the proper blob */
288801685d7137 Richard Kuo 2025-08-18 118 #ifdef CONFIG_DTB_BUILTIN
288801685d7137 Richard Kuo 2025-08-18 119 /* This is the label placed on the assembly blob; will already be in virtual space */
288801685d7137 Richard Kuo 2025-08-18 @120 initial_boot_params = dt_phys;
288801685d7137 Richard Kuo 2025-08-18 121 #else
288801685d7137 Richard Kuo 2025-08-18 122 initial_boot_params = phys_to_virt(dt_phys);
288801685d7137 Richard Kuo 2025-08-18 123 #endif
288801685d7137 Richard Kuo 2025-08-18 124
288801685d7137 Richard Kuo 2025-08-18 125 /* check device tree validity */
288801685d7137 Richard Kuo 2025-08-18 126 if (fdt_magic(initial_boot_params) != OF_DT_HEADER) {
288801685d7137 Richard Kuo 2025-08-18 127 return NULL;
288801685d7137 Richard Kuo 2025-08-18 128 }
288801685d7137 Richard Kuo 2025-08-18 129
288801685d7137 Richard Kuo 2025-08-18 130 dt_root = of_get_flat_dt_root();
288801685d7137 Richard Kuo 2025-08-18 131
5d4b53d10af44d Brian Cain 2026-01-24 132 mdesc_best = of_flat_dt_match_machine(NULL, arch_get_next_mach);
288801685d7137 Richard Kuo 2025-08-18 133
288801685d7137 Richard Kuo 2025-08-18 134 if (!mdesc_best) {
288801685d7137 Richard Kuo 2025-08-18 135 panic("Unrecognized device tree\n");
288801685d7137 Richard Kuo 2025-08-18 136 }
288801685d7137 Richard Kuo 2025-08-18 137
288801685d7137 Richard Kuo 2025-08-18 138 /*
288801685d7137 Richard Kuo 2025-08-18 139 * Sets the top level address and size cells which are stored
288801685d7137 Richard Kuo 2025-08-18 140 * in globals by the devtree infrastructure.
288801685d7137 Richard Kuo 2025-08-18 141 */
288801685d7137 Richard Kuo 2025-08-18 142 early_init_dt_scan_root();
288801685d7137 Richard Kuo 2025-08-18 143
288801685d7137 Richard Kuo 2025-08-18 144 /* Retrieve various information from the /chosen node */
288801685d7137 Richard Kuo 2025-08-18 145 #ifndef CONFIG_HEXAGON_MSM8974_FLUID
288801685d7137 Richard Kuo 2025-08-18 146 // Fixme: do this consistently for platforms
288801685d7137 Richard Kuo 2025-08-18 147 early_init_dt_scan_chosen(boot_command_line);
288801685d7137 Richard Kuo 2025-08-18 148 #endif
288801685d7137 Richard Kuo 2025-08-18 149 /* Setup memory */
288801685d7137 Richard Kuo 2025-08-18 150 //of_scan_flat_dt(early_init_dt_scan_memory, NULL);
288801685d7137 Richard Kuo 2025-08-18 151
288801685d7137 Richard Kuo 2025-08-18 152 return mdesc_best;
288801685d7137 Richard Kuo 2025-08-18 153 }
288801685d7137 Richard Kuo 2025-08-18 154
:::::: The code at line 104 was first introduced by commit
:::::: 5d4b53d10af44d2d15e3f551692f1703ac6dbe53 arch/hexagon: fix kernel crash on unimplemented syscalls
:::::: TO: Brian Cain <brian.cain@oss.qualcomm.com>
:::::: CC: Brian Cain <brian.cain@oss.qualcomm.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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