linux-kernel - [PATCH 1/2] LoongArch: Select HAVE_ARCH

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Message-ID: <20251105151257.148530-2-xry111@xry111.site>
Date: Wed,  5 Nov 2025 23:12:53 +0800
From: Xi Ruoyao <xry111@...111.site>
To: Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>
Cc: Mingcong Bai <jeffbai@...c.io>,
	Xi Ruoyao <xry111@...111.site>,
	loongarch@...ts.linux.dev (open list:LOONGARCH),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/2] LoongArch: Select HAVE_ARCH_BITREVERSE

Without HAVE_ARCH_BITREVERSE, the architecture-optimized bit reverse
implementations in arch/loongarch/include/asm/bitrev.h are not used at
all.

Signed-off-by: Xi Ruoyao <xry111@...111.site>
---
 arch/loongarch/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 5b1116733d88..a672f689cb03 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -115,6 +115,7 @@ config LOONGARCH
 	select GPIOLIB
 	select HAS_IOPORT
 	select HAVE_ARCH_AUDITSYSCALL
+	select HAVE_ARCH_BITREVERSE
 	select HAVE_ARCH_JUMP_LABEL
 	select HAVE_ARCH_JUMP_LABEL_RELATIVE
 	select HAVE_ARCH_KASAN
-- 
2.51.2