linux-kernel - [PATCH] riscv: merge two if-blocks for KBUILD

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Date: Sat, 23 Mar 2024 20:35:00 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	linux-riscv@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org,
	Masahiro Yamada <masahiroy@...nel.org>
Subject: [PATCH] riscv: merge two if-blocks for KBUILD_IMAGE

In arch/riscv/Makefile, KBUILD_IMAGE is assigned in two separate
if-blocks.

When CONFIG_XIP_KERNEL is disabled, the decision made by the first
if-block is overwritten by the second one, which is redundant and
unreadable.

Merge the two if-blocks.

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

 arch/riscv/Makefile | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 252d63942f34..a74e70405d3f 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -133,7 +133,15 @@ boot		:= arch/riscv/boot
 ifeq ($(CONFIG_XIP_KERNEL),y)
 KBUILD_IMAGE := $(boot)/xipImage
 else
+ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_ARCH_CANAAN),yy)
+KBUILD_IMAGE := $(boot)/loader.bin
+else
+ifeq ($(CONFIG_EFI_ZBOOT),)
 KBUILD_IMAGE	:= $(boot)/Image.gz
+else
+KBUILD_IMAGE := $(boot)/vmlinuz.efi
+endif
+endif
 endif
 
 libs-y += arch/riscv/lib/
@@ -153,17 +161,6 @@ endif
 vdso-install-y			+= arch/riscv/kernel/vdso/vdso.so.dbg
 vdso-install-$(CONFIG_COMPAT)	+= arch/riscv/kernel/compat_vdso/compat_vdso.so.dbg:../compat_vdso/compat_vdso.so
 
-ifneq ($(CONFIG_XIP_KERNEL),y)
-ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_ARCH_CANAAN),yy)
-KBUILD_IMAGE := $(boot)/loader.bin
-else
-ifeq ($(CONFIG_EFI_ZBOOT),)
-KBUILD_IMAGE := $(boot)/Image.gz
-else
-KBUILD_IMAGE := $(boot)/vmlinuz.efi
-endif
-endif
-endif
 BOOT_TARGETS := Image Image.gz loader loader.bin xipImage vmlinuz.efi
 
 all:	$(notdir $(KBUILD_IMAGE))
-- 
2.40.1