PSCI: Add initial support for PSCIv0.2 functions
The PSCIv0.2 spec defines standard values of function IDs
and introduces a few new functions. Detect version of PSCI
and appropriately select the right PSCI functions.
Signed-off-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit e71246a23acbc89e9cb4ebf1558d60e65733479f)
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/arch/arm64/include/asm/psci.h b/arch/arm64/include/asm/psci.h
index d15ab8b4..e5312ea 100644
--- a/arch/arm64/include/asm/psci.h
+++ b/arch/arm64/include/asm/psci.h
@@ -14,6 +14,6 @@
#ifndef __ASM_PSCI_H
#define __ASM_PSCI_H
-void psci_init(void);
+int psci_init(void);
#endif /* __ASM_PSCI_H */