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kernel: idle: fix build error on arm-clang

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When building sample.minimal.mt-no-preempt-no-timers.arm on arm-clang
we get a link error as z_pm_save_idle_exit expects sys_clock_idle_exit
to be defined.

However the sample sets CONFIG_SYS_CLOCK_EXISTS=n so
sys_clock_idle_exit() will not be defined by any driver.  So add proper
ifdef protection in z_pm_save_idle_exit to fix this.

Signed-off-by: Kumar Gala <kumar.gala@intel.com>
This commit is contained in:
Kumar Gala 2023-04-24 14:58:18 -05:00 • committed by Kumar Gala
commit 96a90550c4
1 changed files with 2 additions and 0 deletions
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2
kernel/idle.c
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@ -27,7 +27,9 @@ void z_pm_save_idle_exit(void)
*/
pm_system_resume();
#endif /* CONFIG_PM */
#ifdef CONFIG_SYS_CLOCK_EXISTS
sys_clock_idle_exit();
#endif
}
void idle(void *unused1, void *unused2, void *unused3)