From b3e1563b79f24276d6442ede80a7679f1431dbe2 Mon Sep 17 00:00:00 2001
From: Michal Suchanek <msuchanek@suse.de>
Date: Tue, 27 Oct 2020 19:32:26 +0100
Subject: [PATCH] kABI: add back flush_dcache_range.

Patch-mainline: never, kabi
References: jsc#SLE-16402 jsc#SLE-16497 bsc#1176109 ltc#187964

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
---
 arch/powerpc/include/asm/cacheflush.h | 1 +
 arch/powerpc/kernel/cputable.c        | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h
index a385c7bc3e82..9b320e71b2e3 100644
--- a/arch/powerpc/include/asm/cacheflush.h
+++ b/arch/powerpc/include/asm/cacheflush.h
@@ -46,6 +46,7 @@ static inline void __flush_dcache_icache_phys(unsigned long physaddr)
 }
 #endif
 
+#define flush_dcache_range flush_dcache_range_inline
 /*
  * Write any modified data cache blocks out to memory and invalidate them.
  * Does not invalidate the corresponding instruction cache blocks.
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index c52c8d998dcd..689e212b540b 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -2309,3 +2309,11 @@ void __init mmu_feature_keys_init(void)
 	}
 }
 #endif
+
+#include <asm/cacheflush.h>
+#undef flush_dcache_range
+void flush_dcache_range(unsigned long start, unsigned long stop)
+{
+	flush_dcache_range_inline(start, stop);
+}
+EXPORT_SYMBOL(flush_dcache_range);
-- 
2.29.1