linux-kernel - [PATCH] powerpc: Remove duplicate definition for ppc_msgsnd

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Message-ID: <20250813122319.62278-1-gautam@linux.ibm.com>
Date: Wed, 13 Aug 2025 17:53:18 +0530
From: Gautam Menghani <gautam@...ux.ibm.com>
To: maddy@...ux.ibm.com, mpe@...erman.id.au, npiggin@...il.com,
        christophe.leroy@...roup.eu
Cc: Gautam Menghani <gautam@...ux.ibm.com>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] powerpc: Remove duplicate definition for ppc_msgsnd_sync()

Remove duplicate definition of ppc_msgsnd_sync() introduced in commit
b87ac0218355 ('powerpc: Introduce msgsnd/doorbell barrier primitives').

No functional change intended.

Signed-off-by: Gautam Menghani <gautam@...ux.ibm.com>
---
 arch/powerpc/include/asm/dbell.h | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h
index 3e9da22a2779..0b9ef726f92c 100644
--- a/arch/powerpc/include/asm/dbell.h
+++ b/arch/powerpc/include/asm/dbell.h
@@ -40,12 +40,6 @@ static inline void _ppc_msgsnd(u32 msg)
 				: : "i" (CPU_FTR_HVMODE), "r" (msg));
 }
 
-/* sync before sending message */
-static inline void ppc_msgsnd_sync(void)
-{
-	__asm__ __volatile__ ("sync" : : : "memory");
-}
-
 /* sync after taking message interrupt */
 static inline void ppc_msgsync(void)
 {
@@ -76,12 +70,6 @@ static inline void _ppc_msgsnd(u32 msg)
 	__asm__ __volatile__ (PPC_MSGSND(%0) : : "r" (msg));
 }
 
-/* sync before sending message */
-static inline void ppc_msgsnd_sync(void)
-{
-	__asm__ __volatile__ ("sync" : : : "memory");
-}
-
 /* sync after taking message interrupt */
 static inline void ppc_msgsync(void)
 {
@@ -91,6 +79,12 @@ static inline void ppc_msgsync(void)
 
 extern void doorbell_exception(struct pt_regs *regs);
 
+/* sync before sending message */
+static inline void ppc_msgsnd_sync(void)
+{
+	__asm__ __volatile__ ("sync" : : : "memory");
+}
+
 static inline void ppc_msgsnd(enum ppc_dbell type, u32 flags, u32 tag)
 {
 	u32 msg = PPC_DBELL_TYPE(type) | (flags & PPC_DBELL_MSG_BRDCAST) |
-- 
2.50.1