dm: Introduce xxx_get_dma_range()

[platform/kernel/u-boot.git] / drivers / core / ofnode.c

diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index d02d8d3..d4e69b0 100644 (file)
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -888,6 +888,15 @@ u64 ofnode_translate_dma_address(ofnode node, const fdt32_t *in_addr)
                return fdt_translate_dma_address(gd->fdt_blob, ofnode_to_offset(node), in_addr);
 }
 
+int ofnode_get_dma_range(ofnode node, phys_addr_t *cpu, dma_addr_t *bus, u64 *size)
+{
+       if (ofnode_is_np(node))
+               return of_get_dma_range(ofnode_to_np(node), cpu, bus, size);
+       else
+               return fdt_get_dma_range(gd->fdt_blob, ofnode_to_offset(node),
+                                        cpu, bus, size);
+}
+
 int ofnode_device_is_compatible(ofnode node, const char *compat)
 {
        if (ofnode_is_np(node))