tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git pm-sleep-core head: 3aa654e1e731ad8f8aff1a937e09fae14380b6e5 commit: 3aa654e1e731ad8f8aff1a937e09fae14380b6e5 [3/3] PM: sleep: core: Do not skip callbacks in the resume phase config: x86_64-defconfig (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: git checkout 3aa654e1e731ad8f8aff1a937e09fae14380b6e5 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): drivers/base/power/main.c: In function 'dev_pm_may_skip_resume': >> drivers/base/power/main.c:582:3: error: 'state' undeclared (first use in this function); did you mean 'statx'? state.event == PM_EVENT_THAW); ^~~~~ statx drivers/base/power/main.c:582:3: note: each undeclared identifier is reported only once for each function it appears in In file included from include/linux/compiler_types.h:68:0, from <command-line>:0: drivers/base/power/main.c: In function 'device_resume_noirq': drivers/base/power/main.c:597:31: warning: initialization makes pointer from integer without a cast [-Wint-conversion] const char uninitialized_var(*info); ^ include/linux/compiler-gcc.h:65:34: note: in definition of macro 'uninitialized_var' #define uninitialized_var(x) x = x ^ drivers/base/power/main.c: In function 'device_resume_early': drivers/base/power/main.c:765:31: warning: initialization makes pointer from integer without a cast [-Wint-conversion] const char uninitialized_var(*info); ^ include/linux/compiler-gcc.h:65:34: note: in definition of macro 'uninitialized_var' #define uninitialized_var(x) x = x ^ drivers/base/power/main.c: In function '__device_suspend_noirq': drivers/base/power/main.c:1192:31: warning: initialization makes pointer from integer without a cast [-Wint-conversion] const char uninitialized_var(*info); ^ include/linux/compiler-gcc.h:65:34: note: in definition of macro 'uninitialized_var' #define uninitialized_var(x) x = x ^ drivers/base/power/main.c: In function '__device_suspend_late': drivers/base/power/main.c:1377:31: warning: initialization makes pointer from integer without a cast [-Wint-conversion] const char uninitialized_var(*info); ^ include/linux/compiler-gcc.h:65:34: note: in definition of macro 'uninitialized_var' #define uninitialized_var(x) x = x ^ drivers/base/power/main.c: In function 'dev_pm_may_skip_resume': >> drivers/base/power/main.c:583:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +582 drivers/base/power/main.c 563 564 /** 565 * dev_pm_may_skip_resume - System-wide device resume optimization check. 566 * @dev: Target device. 567 * 568 * Driver-level resume callbacks can be skipped for @dev if its configuration is 569 * suitable for that (power.must_resume is not set) and the current transition 570 * is not the hibernation-related "restore" one (in which case all devices must 571 * be resumed) or the current transition is hibernation-related "thaw" one and 572 * the driver-level callbacks were skipped for @dev during the corresponding 573 * "freeze" transition (which happens when DPM_FLAG_SMART_SUSPEND is set and the 574 * device remains in runtime suspend), so running the "thaw" callbacks for it 575 * may be invalid. 576 */ 577 bool dev_pm_may_skip_resume(struct device *dev) 578 { 579 return (!dev->power.must_resume && 580 pm_transition.event != PM_EVENT_RESTORE) || 581 (dev_pm_smart_suspend_and_suspended(dev) && > 582 state.event == PM_EVENT_THAW); > 583 } 584 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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