From: Guo Ren <guoren@linux.alibaba.com>
Date: Mon, 1 Aug 2022 01:57:30 +0000 (-0400)
Subject: csky: cmpxchg: Coding convention for BUILD_BUG()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f940dc0f225183ccdba044e87daeeb93398819ad;p=linux.git

csky: cmpxchg: Coding convention for BUILD_BUG()

Use BUILD_BUG() instead of the custom bad_xchg.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
---

diff --git a/arch/csky/include/asm/cmpxchg.h b/arch/csky/include/asm/cmpxchg.h
index 5f693fadb56c9..916043b845f14 100644
--- a/arch/csky/include/asm/cmpxchg.h
+++ b/arch/csky/include/asm/cmpxchg.h
@@ -4,10 +4,9 @@
 #define __ASM_CSKY_CMPXCHG_H
 
 #ifdef CONFIG_SMP
+#include <linux/bug.h>
 #include <asm/barrier.h>
 
-extern void __bad_xchg(void);
-
 #define __xchg_relaxed(new, ptr, size)				\
 ({								\
 	__typeof__(ptr) __ptr = (ptr);				\
@@ -46,7 +45,7 @@ extern void __bad_xchg(void);
 			:);					\
 		break;						\
 	default:						\
-		__bad_xchg();					\
+		BUILD_BUG();					\
 	}							\
 	__ret;							\
 })
@@ -76,7 +75,7 @@ extern void __bad_xchg(void);
 			:);					\
 		break;						\
 	default:						\
-		__bad_xchg();					\
+		BUILD_BUG();					\
 	}							\
 	__ret;							\
 })
@@ -107,7 +106,7 @@ extern void __bad_xchg(void);
 			:);					\
 		break;						\
 	default:						\
-		__bad_xchg();					\
+		BUILD_BUG();					\
 	}							\
 	__ret;							\
 })
@@ -139,7 +138,7 @@ extern void __bad_xchg(void);
 			:);					\
 		break;						\
 	default:						\
-		__bad_xchg();					\
+		BUILD_BUG();					\
 	}							\
 	__ret;							\
 })