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-rw-r--r--arch/arm/mm/cache-v4wb.S12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-v4wb.S b/arch/arm/mm/cache-v4wb.S
index df8368afa102..d3644db467b7 100644
--- a/arch/arm/mm/cache-v4wb.S
+++ b/arch/arm/mm/cache-v4wb.S
@@ -51,6 +51,17 @@ flush_base:
.text
/*
+ * flush_icache_all()
+ *
+ * Unconditionally clean and invalidate the entire icache.
+ */
+ENTRY(v4wb_flush_icache_all)
+ mov r0, #0
+ mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
+ mov pc, lr
+ENDPROC(v4wb_flush_icache_all)
+
+/*
* flush_user_cache_all()
*
* Clean and invalidate all cache entries in a particular address
@@ -244,6 +255,7 @@ ENDPROC(v4wb_dma_unmap_area)
.type v4wb_cache_fns, #object
ENTRY(v4wb_cache_fns)
+ .long v4wb_flush_icache_all
.long v4wb_flush_kern_cache_all
.long v4wb_flush_user_cache_all
.long v4wb_flush_user_cache_range
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