Merge topic branch 'dma' into integration-linux-ux500

1 files changed, 28 insertions, 0 deletions

diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
index e67a8cab13c..08cc3bf8f6d 100644
--- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h
+++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
@@ -163,6 +163,24 @@ struct stedma40_platform_data {
 
 #ifdef CONFIG_STE_DMA40
 
+/*
+ * stedma40_get_src_addr - get current source address
+ * @chan: the DMA channel
+ *
+ * Returns the physical address of the current source element to be read by the
+ * DMA.
+ */
+dma_addr_t stedma40_get_src_addr(struct dma_chan *chan);
+
+/*
+ * stedma40_get_dst_addr - get current destination address
+ * @chan: the DMA channel
+ *
+ * Returns the physical address of the current destination element to be
+ * written by the DMA.
+ */
+dma_addr_t stedma40_get_dst_addr(struct dma_chan *chan);
+
 /**
  * stedma40_filter() - Provides stedma40_chan_cfg to the
  * ste_dma40 dma driver via the dmaengine framework.
@@ -205,6 +223,16 @@ dma_async_tx_descriptor *stedma40_slave_mem(struct dma_chan *chan,
 }
 
 #else
+dma_addr_t stedma40_get_src_addr(struct dma_chan *chan)
+{
+	return NULL;
+}
+
+dma_addr_t stedma40_get_dst_addr(struct dma_chan *chan)
+{
+	return NULL;
+}
+
 static inline bool stedma40_filter(struct dma_chan *chan, void *data)
 {
 	return false;