[PATCH v3 1/2] PM: suspend: Define pm_suspend_target_state

[PATCH v3 1/2] PM: suspend: Define pm_suspend_target_state

[Kai-Heng Feng]

Define pm_suspend_target_state so it can still be used when
CONFIG_SUSPEND or CONFIG_PM_SLEEP is not set.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
v3:
 - New patch to resolve undefined pm_suspend_target_state.

 drivers/base/power/wakeup.c | 5 -----
 include/linux/suspend.h     | 1 +
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 7cc0c0cf8eaa..a917219feea6 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -19,11 +19,6 @@
 
 #include "power.h"
 
-#ifndef CONFIG_SUSPEND
-suspend_state_t pm_suspend_target_state;
-#define pm_suspend_target_state	(PM_SUSPEND_ON)
-#endif
-
 #define list_for_each_entry_rcu_locked(pos, head, member) \
 	list_for_each_entry_rcu(pos, head, member, \
 		srcu_read_lock_held(&wakeup_srcu))
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index cfe19a028918..ff64a596be4b 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -530,6 +530,7 @@ static inline void ksys_sync_helper(void) {}
 
 #define pm_notifier(fn, pri)	do { (void)(fn); } while (0)
 
+#define pm_suspend_target_state	(PM_SUSPEND_ON)
 static inline bool pm_wakeup_pending(void) { return false; }
 static inline void pm_system_wakeup(void) {}
 static inline void pm_wakeup_clear(bool reset) {}
-- 
2.34.1

Re: [PATCH v3 1/2] PM: suspend: Define pm_suspend_target_state

[kernel test robot]

Hi Kai-Heng,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/linux-next]
[also build test ERROR on linus/master pavel-leds/for-next v6.3 next-20230426]
[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/Kai-Heng-Feng/ata-libata-Defer-rescan-on-suspended-device/20230427-130726
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20230427050603.612145-1-kai.heng.feng%40canonical.com
patch subject: [PATCH v3 1/2] PM: suspend: Define pm_suspend_target_state
config: mips-randconfig-r002-20230427 (https://download.01.org/0day-ci/archive/20230427/202304271651.DsSWc2rx-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 437b7602e4a998220871de78afcb020b9c14a661)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mipsel-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/03ca901d88f622ddd3bfd75b9f1b62d99881e430
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kai-Heng-Feng/ata-libata-Defer-rescan-on-suspended-device/20230427-130726
        git checkout 03ca901d88f622ddd3bfd75b9f1b62d99881e430
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash

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/202304271651.DsSWc2rx-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: pm_suspend_target_state
   >>> referenced by wakeup.c
   >>>               drivers/base/power/wakeup.o:(device_wakeup_enable) in archive vmlinux.a
   >>> referenced by wakeup.c
   >>>               drivers/base/power/wakeup.o:(device_wakeup_enable) in archive vmlinux.a

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests