linux-kernel - [PATCH 1/7] x86/acpi: Move ACPI MADT wakeup to generic code

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Message-Id: <20240806221237.1634126-2-yunhong.jiang@linux.intel.com>
Date: Tue,  6 Aug 2024 15:12:31 -0700
From: Yunhong Jiang <yunhong.jiang@...ux.intel.com>
To: tglx@...utronix.de,
	mingo@...hat.com,
	bp@...en8.de,
	dave.hansen@...ux.intel.com,
	x86@...nel.org,
	hpa@...or.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	kys@...rosoft.com,
	haiyangz@...rosoft.com,
	wei.liu@...nel.org,
	decui@...rosoft.com,
	rafael@...nel.org,
	lenb@...nel.org,
	kirill.shutemov@...ux.intel.com
Cc: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-hyperv@...r.kernel.org,
	linux-acpi@...r.kernel.org,
	yunhong.jiang@...ux.intel.com
Subject: [PATCH 1/7] x86/acpi: Move ACPI MADT wakeup to generic code

In order to support the ACPI mailbox wakeup in device tree, move the MADT
wakeup code out of the acpi directory, so that both ACPI and device tree
can use it.

Signed-off-by: Yunhong Jiang <yunhong.jiang@...ux.intel.com>
---
 MAINTAINERS                                | 2 ++
 arch/x86/kernel/Makefile                   | 1 +
 arch/x86/kernel/acpi/Makefile              | 1 -
 arch/x86/kernel/{acpi => }/madt_playdead.S | 0
 arch/x86/kernel/{acpi => }/madt_wakeup.c   | 0
 5 files changed, 3 insertions(+), 1 deletion(-)
 rename arch/x86/kernel/{acpi => }/madt_playdead.S (100%)
 rename arch/x86/kernel/{acpi => }/madt_wakeup.c (100%)

diff --git a/MAINTAINERS b/MAINTAINERS
index eebc4fa2ab9a..6cc6d5c367df 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -289,6 +289,8 @@ F:	Documentation/ABI/testing/configfs-acpi
 F:	Documentation/ABI/testing/sysfs-bus-acpi
 F:	Documentation/firmware-guide/acpi/
 F:	arch/x86/kernel/acpi/
+F:	arch/x86/kernel/madt_playdead.S
+F:	arch/x86/kernel/madt_wakeup.c
 F:	arch/x86/pci/acpi.c
 F:	drivers/acpi/
 F:	drivers/pci/*/*acpi*
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index a847180836e4..b2de8a4698c3 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -155,4 +155,5 @@ ifeq ($(CONFIG_X86_64),y)
 
 	obj-$(CONFIG_MMCONF_FAM10H)	+= mmconf-fam10h_64.o
 	obj-y				+= vsmp_64.o
+	obj-$(CONFIG_ACPI_MADT_WAKEUP)	+= madt_wakeup.o madt_playdead.o
 endif
diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile
index 842a5f449404..fc17b3f136fe 100644
--- a/arch/x86/kernel/acpi/Makefile
+++ b/arch/x86/kernel/acpi/Makefile
@@ -4,7 +4,6 @@ obj-$(CONFIG_ACPI)		+= boot.o
 obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup_$(BITS).o
 obj-$(CONFIG_ACPI_APEI)		+= apei.o
 obj-$(CONFIG_ACPI_CPPC_LIB)	+= cppc.o
-obj-$(CONFIG_ACPI_MADT_WAKEUP)	+= madt_wakeup.o madt_playdead.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y				+= cstate.o
diff --git a/arch/x86/kernel/acpi/madt_playdead.S b/arch/x86/kernel/madt_playdead.S
similarity index 100%
rename from arch/x86/kernel/acpi/madt_playdead.S
rename to arch/x86/kernel/madt_playdead.S
diff --git a/arch/x86/kernel/acpi/madt_wakeup.c b/arch/x86/kernel/madt_wakeup.c
similarity index 100%
rename from arch/x86/kernel/acpi/madt_wakeup.c
rename to arch/x86/kernel/madt_wakeup.c
-- 
2.25.1