diff --git a/meta-smx6-extras/recipes/linux/linux-smx6/0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch b/meta-smx6-extras/recipes/linux/linux-smx6/0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch new file mode 100644 index 0000000000000000000000000000000000000000..c61a4dc165c22b60c8a35dce9145c42a0cf5d59c --- /dev/null +++ b/meta-smx6-extras/recipes/linux/linux-smx6/0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch @@ -0,0 +1,31 @@ +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 diff --git a/meta-smx6-extras/recipes/linux/linux-smx6_3.14.28.bbappend b/meta-smx6-extras/recipes/linux/linux-smx6_3.14.28.bbappend index ea884893f0cd1222ca5bbb573ff577cc4f8bf48c..1bcbb80b92df6696dfc059019a9f2a161ea85f24 100644 --- a/meta-smx6-extras/recipes/linux/linux-smx6_3.14.28.bbappend +++ b/meta-smx6-extras/recipes/linux/linux-smx6_3.14.28.bbappend @@ -31,6 +31,7 @@ FILESEXTRAPATHS_append := "${THISDIR}/${PN}:" SRC_URI += " \ file://0001-ARM-8158-1-LLVMLinux-use-static-inline-in-ARM-ftrace.patch \ file://0001-ARM-LLVMLinux-Change-extern-inline-to-static-inline-.patch \ + file://0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch \ " do_configure_prepend() {