diff --git a/arch/arm/kernel/dma.c b/arch/arm/kernel/dma.c
index 5a0f4bc..ba99a20 100644
--- a/arch/arm/kernel/dma.c
+++ b/arch/arm/kernel/dma.c
@@ -228,6 +228,7 @@
 {
 	return dma_chan[channel].active;
 }
+EXPORT_SYMBOL(dma_channel_active);
 
 void set_dma_page(dmach_t channel, char pagenr)
 {