summaryrefslogtreecommitdiffstats
path: root/meta-smx6-extras/recipes/linux/linux-smx6/0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch
blob: c61a4dc165c22b60c8a35dce9145c42a0cf5d59c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
From 56e321cd19ee4909ca623ce1c351c966904123a9 Mon Sep 17 00:00:00 2001
From: Pantelis Antoniou <panto@antoniou-consulting.com>
Date: Fri, 4 Jan 2013 00:32:33 +0200
Subject: [PATCH] arm: Export cache flush management symbols when !MULTI_CACHE

When compiling a kernel without CONFIG_MULTI_CACHE enabled the
dma access functions end up not being exported. Fix it.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
 arch/arm/kernel/setup.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 1e8b030..c6a9a61 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -1080,3 +1080,12 @@ const struct seq_operations cpuinfo_op = {
 	.stop	= c_stop,
 	.show	= c_show
 };
+
+/* export the cache management functions */
+#ifndef MULTI_CACHE
+
+EXPORT_SYMBOL(__glue(_CACHE,_dma_map_area));
+EXPORT_SYMBOL(__glue(_CACHE,_dma_unmap_area));
+EXPORT_SYMBOL(__glue(_CACHE,_dma_flush_range));
+
+#endif