linux-kernel - [PATCH] LoongArch: migrate to the generic rule for built-in DTB

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Message-ID: <20241222001230.2579074-1-masahiroy@kernel.org>
Date: Sun, 22 Dec 2024 09:11:49 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>,
	loongarch@...ts.linux.dev
Cc: linux-kernel@...r.kernel.org,
	Masahiro Yamada <masahiroy@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	devicetree@...r.kernel.org
Subject: [PATCH] LoongArch: migrate to the generic rule for built-in DTB

Commit 654102df2ac2 ("kbuild: add generic support for built-in boot
DTBs") introduced generic support for built-in DTBs.

Select GENERIC_BUILTIN_DTB when built-in DTB support is enabled.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 arch/loongarch/Kbuild            | 1 -
 arch/loongarch/Kconfig           | 1 +
 arch/loongarch/boot/dts/Makefile | 2 --
 3 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/loongarch/Kbuild b/arch/loongarch/Kbuild
index bfa21465d83a..beb8499dd8ed 100644
--- a/arch/loongarch/Kbuild
+++ b/arch/loongarch/Kbuild
@@ -4,7 +4,6 @@ obj-y += net/
 obj-y += vdso/
 
 obj-$(CONFIG_KVM) += kvm/
-obj-$(CONFIG_BUILTIN_DTB) += boot/dts/
 
 # for cleaning
 subdir- += boot
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index dae3a9104ca6..98e099be912d 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -396,6 +396,7 @@ endchoice
 config BUILTIN_DTB
 	bool "Enable built-in dtb in kernel"
 	depends on OF
+	select GENERIC_BUILTIN_DTB
 	help
 	  Some existing systems do not provide a canonical device tree to
 	  the kernel at boot time. Let's provide a device tree table in the
diff --git a/arch/loongarch/boot/dts/Makefile b/arch/loongarch/boot/dts/Makefile
index 747d0c3f6389..15d5e14fe418 100644
--- a/arch/loongarch/boot/dts/Makefile
+++ b/arch/loongarch/boot/dts/Makefile
@@ -1,5 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 dtb-y = loongson-2k0500-ref.dtb loongson-2k1000-ref.dtb loongson-2k2000-ref.dtb
-
-obj-$(CONFIG_BUILTIN_DTB)	+= $(addsuffix .dtb.o, $(CONFIG_BUILTIN_DTB_NAME))
-- 
2.43.0