arm64: kernel: refactor the CPU suspend API for retention states

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / include / asm / suspend.h

diff --git a/arch/arm64/include/asm/suspend.h b/arch/arm64/include/asm/suspend.h
index e9c149c042e09703c864ef7c6101602134676678..456d67c1f0fac270cb0438d62fd35a48bc70e1c8 100644 (file)
--- a/arch/arm64/include/asm/suspend.h
+++ b/arch/arm64/include/asm/suspend.h
@@ -21,6 +21,7 @@ struct sleep_save_sp {
        phys_addr_t save_ptr_stash_phys;
 };
 
+extern int __cpu_suspend(unsigned long arg, int (*fn)(unsigned long));
 extern void cpu_resume(void);
 extern int cpu_suspend(unsigned long);