diff options
Diffstat (limited to 'board/beaglebone/patches/linux')
| -rw-r--r-- | board/beaglebone/patches/linux/linux-0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/board/beaglebone/patches/linux/linux-0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch b/board/beaglebone/patches/linux/linux-0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch new file mode 100644 index 0000000000..1ca1e70ca9 --- /dev/null +++ b/board/beaglebone/patches/linux/linux-0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch @@ -0,0 +1,34 @@ +From 29885f2f3d700341d322274db6ad085e601c0994 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 3/3] 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> +--- + 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 da1d1aa..dcb678c 100644 +--- a/arch/arm/kernel/setup.c ++++ b/arch/arm/kernel/setup.c +@@ -923,3 +923,12 @@ 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 +-- +1.7.10.4 + |
