Commit 99e7a8ad authored by Sudeep Holla's avatar Sudeep Holla Committed by Catalin Marinas
Browse files

arm64: cpuidle: Move ACPI specific code into drivers/acpi/arm64/ 



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: default avatarSudeep Holla <sudeep.holla@arm.com>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Acked-by: default avatarHanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/20240605131458.3341095-3-sudeep.holla@arm.com


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent f8c6c927

arch/arm64/kernel/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -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

drivers/acpi/arm64/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/arm64/kernel/cpuidle.c→drivers/acpi/arm64/cpuidle.c

+0 −4
Original line number Diff line number Diff line
@@ -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