arm64: psci: factor invocation code to drivers

To enable sharing with arm, move the core PSCI framework code to
drivers/firmware. This results in a minor gain in lines of code, but
this will quickly be amortised by the removal of code currently
duplicated in arch/arm.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

1 files changed, 0 insertions, 28 deletions

diff --git a/arch/arm64/include/asm/psci.h b/arch/arm64/include/asm/psci.h
deleted file mode 100644
index 49d7e1aaebdc..000000000000
--- a/arch/arm64/include/asm/psci.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2013 ARM Limited
- */
-
-#ifndef __ASM_PSCI_H
-#define __ASM_PSCI_H
-
-int __init psci_dt_init(void);
-
-#ifdef CONFIG_ACPI
-int __init psci_acpi_init(void);
-bool __init acpi_psci_present(void);
-bool __init acpi_psci_use_hvc(void);
-#else
-static inline int psci_acpi_init(void) { return 0; }
-static inline bool acpi_psci_present(void) { return false; }
-#endif
-
-#endif /* __ASM_PSCI_H */