aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/dma.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/dma.h')
-rw-r--r--include/asm-arm/dma.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/asm-arm/dma.h b/include/asm-arm/dma.h
index ef41df43a58..49c01e2bf7c 100644
--- a/include/asm-arm/dma.h
+++ b/include/asm-arm/dma.h
@@ -10,6 +10,13 @@ typedef unsigned int dmach_t;
#include <asm/arch/dma.h>
/*
+ * This is the maximum virtual address which can be DMA'd from.
+ */
+#ifndef MAX_DMA_ADDRESS
+#define MAX_DMA_ADDRESS 0xffffffff
+#endif
+
+/*
* DMA modes
*/
typedef unsigned int dmamode_t;
@@ -91,7 +98,9 @@ extern void set_dma_sg(dmach_t channel, struct scatterlist *sg, int nr_sg);
* especially since some DMA architectures don't update the
* DMA address immediately, but defer it to the enable_dma().
*/
-extern void set_dma_addr(dmach_t channel, unsigned long physaddr);
+extern void __set_dma_addr(dmach_t channel, void *addr);
+#define set_dma_addr(channel, addr) \
+ __set_dma_addr(channel, bus_to_virt(addr))
/* Set the DMA byte count for this channel
*