From: Sudeep Holla <sudeep.holla@arm.com>
Date: Tue, 28 Jun 2022 13:53:45 +0100
Subject: ACPI: Enable Platform Runtime Mechanism(PRM) support on ARM64
Patch-mainline: v6.0-rc1
Git-commit: 36d1f098e674f90b010d6eaa60e3f22f7a6aaf96
References: jsc#PED-1408

There is interest to make use of PRM(Platform Runtime Mechanism) even on
ARM64 ACPI platforms. Allow PRM to be enabled on ARM64 platforms. It will
be enabled by default as on x86_64.

Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
 drivers/acpi/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -575,7 +575,7 @@ config X86_PM_TIMER
 
 config ACPI_PRMT
 	bool "Platform Runtime Mechanism Support"
-	depends on EFI && X86_64
+	depends on EFI && (X86_64 || ARM64)
 	default y
 	help
 	  Platform Runtime Mechanism (PRM) is a firmware interface exposing a