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-rw-r--r--arch/blackfin/kernel/bfin_dma_5xx.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index 7cf02f02a1db..7e2201908356 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -345,6 +345,16 @@ void set_dma_sg(unsigned int channel, struct dmasg *sg, int nr_sg)
}
EXPORT_SYMBOL(set_dma_sg);
+void set_dma_curr_addr(unsigned int channel, unsigned long addr)
+{
+ BUG_ON(!(dma_ch[channel].chan_status != DMA_CHANNEL_FREE
+ && channel < MAX_BLACKFIN_DMA_CHANNEL));
+
+ dma_ch[channel].regs->curr_addr_ptr = addr;
+ SSYNC();
+}
+EXPORT_SYMBOL(set_dma_curr_addr);
+
/*------------------------------------------------------------------------------
* Get the DMA status of a specific DMA channel from the system.
*-----------------------------------------------------------------------------*/