Messages in this thread | | | Date | Sat, 18 Feb 2023 14:21:44 +0800 | From | kernel test robot <> | Subject | arch/powerpc/platforms/83xx/suspend.c:210:3: error: call to undeclared function 'enable_kernel_fp'; ISO C99 and later do not support implicit function declarations |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 38f8ccde04a3fa317b51b05e63c3cb57e1641931 commit: e8c07082a810fbb9db303a2b66b66b8d7e588b53 Kbuild: move to -std=gnu11 date: 11 months ago config: powerpc-randconfig-r013-20230218 (https://download.01.org/0day-ci/archive/20230218/202302181414.nAdxC08J-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8c07082a810fbb9db303a2b66b66b8d7e588b53 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e8c07082a810fbb9db303a2b66b66b8d7e588b53 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/platforms/83xx/ drivers/android/
If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@intel.com> | Link: https://lore.kernel.org/oe-kbuild-all/202302181414.nAdxC08J-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/powerpc/platforms/83xx/suspend.c:210:3: error: call to undeclared function 'enable_kernel_fp'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] enable_kernel_fp(); ^ arch/powerpc/platforms/83xx/suspend.c:210:3: note: did you mean 'enable_kernel_vsx'? arch/powerpc/include/asm/switch_to.h:75:20: note: 'enable_kernel_vsx' declared here static inline void enable_kernel_vsx(void) ^ 1 error generated.
vim +/enable_kernel_fp +210 arch/powerpc/platforms/83xx/suspend.c
87faaabb09d080 Anton Vorontsov 2009-12-10 173 d49747bdfb2dde Scott Wood 2007-10-09 174 static int mpc83xx_suspend_enter(suspend_state_t state) d49747bdfb2dde Scott Wood 2007-10-09 175 { d49747bdfb2dde Scott Wood 2007-10-09 176 int ret = -EAGAIN; d49747bdfb2dde Scott Wood 2007-10-09 177 d49747bdfb2dde Scott Wood 2007-10-09 178 /* Don't go to sleep if there's a race where pci_pm_state changes d49747bdfb2dde Scott Wood 2007-10-09 179 * between the agent thread checking it and the PM code disabling d49747bdfb2dde Scott Wood 2007-10-09 180 * interrupts. d49747bdfb2dde Scott Wood 2007-10-09 181 */ d49747bdfb2dde Scott Wood 2007-10-09 182 if (wake_from_pci) { d49747bdfb2dde Scott Wood 2007-10-09 183 if (pci_pm_state != (deep_sleeping ? 3 : 2)) d49747bdfb2dde Scott Wood 2007-10-09 184 goto out; d49747bdfb2dde Scott Wood 2007-10-09 185 d49747bdfb2dde Scott Wood 2007-10-09 186 out_be32(&pmc_regs->config1, d49747bdfb2dde Scott Wood 2007-10-09 187 in_be32(&pmc_regs->config1) | PMCCR1_PME_EN); d49747bdfb2dde Scott Wood 2007-10-09 188 } d49747bdfb2dde Scott Wood 2007-10-09 189 d49747bdfb2dde Scott Wood 2007-10-09 190 /* Put the system into low-power mode and the RAM d49747bdfb2dde Scott Wood 2007-10-09 191 * into self-refresh mode once the core goes to d49747bdfb2dde Scott Wood 2007-10-09 192 * sleep. d49747bdfb2dde Scott Wood 2007-10-09 193 */ d49747bdfb2dde Scott Wood 2007-10-09 194 d49747bdfb2dde Scott Wood 2007-10-09 195 out_be32(&pmc_regs->config, PMCCR_SLPEN | PMCCR_DLPEN); d49747bdfb2dde Scott Wood 2007-10-09 196 d49747bdfb2dde Scott Wood 2007-10-09 197 /* If it has deep sleep (i.e. it's an 831x or compatible), d49747bdfb2dde Scott Wood 2007-10-09 198 * disable power to the core upon entering sleep mode. This will d49747bdfb2dde Scott Wood 2007-10-09 199 * require going through the boot firmware upon a wakeup event. d49747bdfb2dde Scott Wood 2007-10-09 200 */ d49747bdfb2dde Scott Wood 2007-10-09 201 d49747bdfb2dde Scott Wood 2007-10-09 202 if (deep_sleeping) { 87faaabb09d080 Anton Vorontsov 2009-12-10 203 mpc83xx_suspend_save_regs(); 87faaabb09d080 Anton Vorontsov 2009-12-10 204 d49747bdfb2dde Scott Wood 2007-10-09 205 out_be32(&pmc_regs->mask, PMCER_ALL); d49747bdfb2dde Scott Wood 2007-10-09 206 d49747bdfb2dde Scott Wood 2007-10-09 207 out_be32(&pmc_regs->config1, d49747bdfb2dde Scott Wood 2007-10-09 208 in_be32(&pmc_regs->config1) | PMCCR1_POWER_OFF); d49747bdfb2dde Scott Wood 2007-10-09 209 d49747bdfb2dde Scott Wood 2007-10-09 @210 enable_kernel_fp(); d49747bdfb2dde Scott Wood 2007-10-09 211 d49747bdfb2dde Scott Wood 2007-10-09 212 mpc83xx_enter_deep_sleep(immrbase); d49747bdfb2dde Scott Wood 2007-10-09 213 d49747bdfb2dde Scott Wood 2007-10-09 214 out_be32(&pmc_regs->config1, d49747bdfb2dde Scott Wood 2007-10-09 215 in_be32(&pmc_regs->config1) & ~PMCCR1_POWER_OFF); d49747bdfb2dde Scott Wood 2007-10-09 216 d49747bdfb2dde Scott Wood 2007-10-09 217 out_be32(&pmc_regs->mask, PMCER_PMCI); 87faaabb09d080 Anton Vorontsov 2009-12-10 218 87faaabb09d080 Anton Vorontsov 2009-12-10 219 mpc83xx_suspend_restore_regs(); d49747bdfb2dde Scott Wood 2007-10-09 220 } else { d49747bdfb2dde Scott Wood 2007-10-09 221 out_be32(&pmc_regs->mask, PMCER_PMCI); d49747bdfb2dde Scott Wood 2007-10-09 222 d49747bdfb2dde Scott Wood 2007-10-09 223 mpc6xx_enter_standby(); d49747bdfb2dde Scott Wood 2007-10-09 224 } d49747bdfb2dde Scott Wood 2007-10-09 225 d49747bdfb2dde Scott Wood 2007-10-09 226 ret = 0; d49747bdfb2dde Scott Wood 2007-10-09 227 d49747bdfb2dde Scott Wood 2007-10-09 228 out: d49747bdfb2dde Scott Wood 2007-10-09 229 out_be32(&pmc_regs->config1, d49747bdfb2dde Scott Wood 2007-10-09 230 in_be32(&pmc_regs->config1) & ~PMCCR1_PME_EN); d49747bdfb2dde Scott Wood 2007-10-09 231 d49747bdfb2dde Scott Wood 2007-10-09 232 return ret; d49747bdfb2dde Scott Wood 2007-10-09 233 } d49747bdfb2dde Scott Wood 2007-10-09 234
:::::: The code at line 210 was first introduced by commit :::::: d49747bdfb2ddebea24d1580da55b79d093d48a9 powerpc/mpc83xx: Power Management support
:::::: TO: Scott Wood <scottwood@freescale.com> :::::: CC: Kumar Gala <galak@kernel.crashing.org>
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
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