linux-kernel - [PATCH v2] powerpc: Remove flush_instruction

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Message-Id: <245cabd8f291facac8c8c5fd370e361a69e02860.1597384145.git.christophe.leroy@csgroup.eu>
Date:   Fri, 14 Aug 2020 05:49:29 +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] powerpc: Remove flush_instruction_cache() on 8xx

flush_instruction_cache() is never used on 8xx, remove it.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
v2: Becomes a standalone patch independant of the series dismantling the ASM flush_instruction_cache()
---
 arch/powerpc/mm/nohash/8xx.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
index d2b37146ae6c..231ca95f9ffb 100644
--- a/arch/powerpc/mm/nohash/8xx.c
+++ b/arch/powerpc/mm/nohash/8xx.c
@@ -244,13 +244,6 @@ void set_context(unsigned long id, pgd_t *pgd)
 	mb();
 }
 
-void flush_instruction_cache(void)
-{
-	isync();
-	mtspr(SPRN_IC_CST, IDC_INVALL);
-	isync();
-}
-
 #ifdef CONFIG_PPC_KUEP
 void __init setup_kuep(bool disabled)
 {
-- 
2.25.0