linux-kernel - [PATCH] powerpc/reg: Remove #ifdef around mtspr macro

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Message-Id: <cf652e47ea9e453e89813611b6f76d0939a12063.1687344017.git.christophe.leroy@csgroup.eu>
Date:   Wed, 21 Jun 2023 12:40:50 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH] powerpc/reg: Remove #ifdef around mtspr macro

That ifdef was introduced by commit 1458dd951f7c ("powerpc/8xx:
Handle CPU6 ERRATA directly in mtspr() macro") and left over by
commit 2a45addd21de ("powerpc/8xx: Remove CPU6 ERRATA Workaround")

Remove it.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/reg.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index bb0121222ee3..4ae4ab9090a2 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1414,11 +1414,9 @@ static inline void mtmsr_isync(unsigned long val)
 #define mfspr(rn)	({unsigned long rval; \
 			asm volatile("mfspr %0," __stringify(rn) \
 				: "=r" (rval)); rval;})
-#ifndef mtspr
 #define mtspr(rn, v)	asm volatile("mtspr " __stringify(rn) ",%0" : \
 				     : "r" ((unsigned long)(v)) \
 				     : "memory")
-#endif
 #define wrtspr(rn)	asm volatile("mtspr " __stringify(rn) ",2" : : : "memory")
 
 static inline void wrtee(unsigned long val)
-- 
2.40.1