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

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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@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/20240605131458.3341095-3-sudeep.holla@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Sudeep Holla 2024-06-05 14:14:57 +01:00 committed by Catalin Marinas
parent f8c6c92790
commit 99e7a8adc0
3 changed files with 1 additions and 5 deletions
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1
arch/arm64/kernel/Makefile
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@ -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

1
drivers/acpi/arm64/Makefile
View File

@ -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

4
arch/arm64/kernel/cpuidle.c → drivers/acpi/arm64/cpuidle.c
View File

@ -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