of: dma- fix build break for !CONFIG_OF
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h
index 337823d..67158dd 100644
--- a/include/linux/of_dma.h
+++ b/include/linux/of_dma.h
@@ -32,6 +32,7 @@
dma_filter_fn filter_fn;
};
+#ifdef CONFIG_OF
extern int of_dma_controller_register(struct device_node *np,
struct dma_chan *(*of_dma_xlate)
(struct of_phandle_args *, struct of_dma *),
@@ -41,5 +42,31 @@
char *name);
extern struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma);
+#else
+static int of_dma_controller_register(struct device_node *np,
+ struct dma_chan *(*of_dma_xlate)
+ (struct of_phandle_args *, struct of_dma *),
+ void *data)
+{
+ return -ENODEV;
+}
+
+static void of_dma_controller_free(struct device_node *np)
+{
+}
+
+static struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
+ char *name)
+{
+ return NULL;
+}
+
+static struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
+ struct of_dma *ofdma)
+{
+ return NULL;
+}
+
+#endif
#endif /* __LINUX_OF_DMA_H */