From a3ebea99363e80fa9680c5fd9e5be3539259b494 Mon Sep 17 00:00:00 2001 From: Pantelis Antoniou Date: Fri, 4 Jan 2013 00:32:33 +0200 Subject: [PATCH 3/5] 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 --- arch/arm/kernel/setup.c | 9 +++++++++ 1 file changed, 9 insertions(+) Index: linux-3.12.36-rt50-r4s2/arch/arm/kernel/setup.c =================================================================== --- linux-3.12.36-rt50-r4s2.orig/arch/arm/kernel/setup.c +++ linux-3.12.36-rt50-r4s2/arch/arm/kernel/setup.c @@ -1084,3 +1084,12 @@ 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