linux-kernel - [PATCH v2 2/4] powerpc: Move flush_instruction

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Date:   Fri, 14 Aug 2020 05:56:25 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, hch@...radead.org
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2 2/4] powerpc: Move flush_instruction_cache() prototype in
 asm/cacheflush.h

flush_instruction_cache() belongs to the cache flushing function
family.

Move its prototype in asm/cacheflush.h

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
v2: new
---
 arch/powerpc/include/asm/cacheflush.h      | 2 ++
 arch/powerpc/include/asm/processor.h       | 1 -
 arch/powerpc/platforms/44x/machine_check.c | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h
index 54764c6e922d..481877879fec 100644
--- a/arch/powerpc/include/asm/cacheflush.h
+++ b/arch/powerpc/include/asm/cacheflush.h
@@ -98,6 +98,8 @@ static inline void invalidate_dcache_range(unsigned long start,
 	mb();	/* sync */
 }
 
+void flush_instruction_cache(void);
+
 #include <asm-generic/cacheflush.h>
 
 #endif /* _ASM_POWERPC_CACHEFLUSH_H */
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index ed0d633ab5aa..d828813e35de 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -435,7 +435,6 @@ extern void power7_idle_type(unsigned long type);
 extern void power9_idle_type(unsigned long stop_psscr_val,
 			      unsigned long stop_psscr_mask);
 
-extern void flush_instruction_cache(void);
 extern void hard_reset_now(void);
 extern void poweroff_now(void);
 extern int fix_alignment(struct pt_regs *);
diff --git a/arch/powerpc/platforms/44x/machine_check.c b/arch/powerpc/platforms/44x/machine_check.c
index 90ad6ac529d2..a5c898bb9bab 100644
--- a/arch/powerpc/platforms/44x/machine_check.c
+++ b/arch/powerpc/platforms/44x/machine_check.c
@@ -7,6 +7,7 @@
 #include <linux/ptrace.h>
 
 #include <asm/reg.h>
+#include <asm/cacheflush.h>
 
 int machine_check_440A(struct pt_regs *regs)
 {
-- 
2.25.0