[PATCH 2/3] arm64: cpuidle: Move ACPI specific code into drivers/acpi/arm64/

[Sudeep Holla]

The ACPI cpuidle LPI FFH code can be moved out of arm64 arch code as
it just uses SMCCC. Move all the ACPI cpuidle LPI FFH code into
drivers/acpi/arm64/cpuidle.c

Signed-off-by: Sudeep Holla <sudeep.holla at arm.com>
---
 arch/arm64/kernel/Makefile                          | 1 -
 drivers/acpi/arm64/Makefile                         | 1 +
 {arch/arm64/kernel => drivers/acpi/arm64}/cpuidle.c | 4 ----
 3 files changed, 1 insertion(+), 5 deletions(-)
 rename {arch/arm64/kernel => drivers/acpi/arm64}/cpuidle.c (97%)

diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index 763824963ed1..2b112f3b7510 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -46,7 +46,6 @@ obj-$(CONFIG_PERF_EVENTS)		+= perf_regs.o perf_callchain.o
 obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF)	+= watchdog_hld.o
 obj-$(CONFIG_HAVE_HW_BREAKPOINT)	+= hw_breakpoint.o
 obj-$(CONFIG_CPU_PM)			+= sleep.o suspend.o
-obj-$(CONFIG_CPU_IDLE)			+= cpuidle.o
 obj-$(CONFIG_JUMP_LABEL)		+= jump_label.o
 obj-$(CONFIG_KGDB)			+= kgdb.o
 obj-$(CONFIG_EFI)			+= efi.o efi-rt-wrapper.o
diff --git a/drivers/acpi/arm64/Makefile b/drivers/acpi/arm64/Makefile
index 7d7fd6512bca..2efee23f00b4 100644
--- a/drivers/acpi/arm64/Makefile
+++ b/drivers/acpi/arm64/Makefile
@@ -3,6 +3,7 @@ obj-$(CONFIG_ACPI_AGDI) 	+= agdi.o
 obj-$(CONFIG_ACPI_APMT) 	+= apmt.o
 obj-$(CONFIG_ACPI_GTDT) 	+= gtdt.o
 obj-$(CONFIG_ACPI_IORT) 	+= iort.o
+obj-$(CONFIG_ACPI_PROCESSOR_IDLE) += cpuidle.o
 obj-$(CONFIG_ARM_AMBA)		+= amba.o
 obj-y				+= dma.o init.o
 obj-y				+= thermal_cpufreq.o
diff --git a/arch/arm64/kernel/cpuidle.c b/drivers/acpi/arm64/cpuidle.c
similarity index 97%
rename from arch/arm64/kernel/cpuidle.c
rename to drivers/acpi/arm64/cpuidle.c
index f372295207fb..801f9c450142 100644
--- a/arch/arm64/kernel/cpuidle.c
+++ b/drivers/acpi/arm64/cpuidle.c
@@ -10,9 +10,6 @@
 #include <linux/cpuidle.h>
 #include <linux/cpu_pm.h>
 #include <linux/psci.h>
-
-#ifdef CONFIG_ACPI_PROCESSOR_IDLE
-
 #include <acpi/processor.h>
 
 #define ARM64_LPI_IS_RETENTION_STATE(arch_flags) (!(arch_flags))
@@ -71,4 +68,3 @@ __cpuidle int acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi)
 		return CPU_PM_CPU_IDLE_ENTER_PARAM_RCU(psci_cpu_suspend_enter,
 					     lpi->index, state);
 }
-#endif
-- 
2.45.2