From d2cbaad13ab7ca6b646f1999cb6aaede37c92df5 Mon Sep 17 00:00:00 2001
From: Laura Abbott <lauraa@codeaurora.org>
Date: Tue, 11 Feb 2014 12:37:49 -0800
Subject: [PATCH] ANDROID: GKI: arm64: Export caching APIs

External modules may need to use caching APIs. Export the symbols
to allow their use.

Change-Id: I72a862608d37dedf0980ee2790ffb93a9de82221
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org>
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
(cherry picked from commit 791d853afcd53ce62d7042cfad4e105d9404fd16)
[salyzyn squashed in commit e737e6b08e482db8b998a54312d9b1c5e053472e]
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 141888626
---
 arch/arm64/kernel/arm64ksyms.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/kernel/arm64ksyms.c b/arch/arm64/kernel/arm64ksyms.c
index 72f63a59b008..bde3056bddf9 100644
--- a/arch/arm64/kernel/arm64ksyms.c
+++ b/arch/arm64/kernel/arm64ksyms.c
@@ -29,6 +29,7 @@
 #include <linux/arm-smccc.h>
 #include <linux/kprobes.h>
 
+#include <asm/cacheflush.h>
 #include <asm/checksum.h>
 
 EXPORT_SYMBOL(copy_page);
@@ -86,3 +87,8 @@ extern long long __ashrti3(long long a, int b);
 EXPORT_SYMBOL(__ashrti3);
 extern long long __lshrti3(long long a, int b);
 EXPORT_SYMBOL(__lshrti3);
+
+	/* caching functions */
+EXPORT_SYMBOL_GPL(__dma_inv_area);
+EXPORT_SYMBOL_GPL(__dma_clean_area);
+EXPORT_SYMBOL_GPL(__dma_flush_area);