linux-kernel - [PATCH] arm: Export cache flush management symbols when !MULTI

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Date:	Fri,  4 Jan 2013 00:32:33 +0200
From:	Pantelis Antoniou <panto@...oniou-consulting.com>
To:	Russell King <linux@....linux.org.uk>
Cc:	Nicolas Pitre <nico@...aro.org>, Will Deacon <will.deacon@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Matt Porter <mporter@...com>, Russ Dill <Russ.Dill@...com>,
	Pantelis Antoniou <panto@...oniou-consulting.com>
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@...oniou-consulting.com>
---
 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 3f6cbb2..4540dad 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -931,3 +931,12 @@ 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
-- 
1.7.12

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