dmaengine: fix !of_dma compilation warning

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
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 84b64f8..d15073e 100644 (file)
--- a/include/linux/of_dma.h
+++ b/include/linux/of_dma.h
@@ -44,7 +44,7 @@ extern struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
 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,
+static inline int of_dma_controller_register(struct device_node *np,
                struct dma_chan *(*of_dma_xlate)
                (struct of_phandle_args *, struct of_dma *),
                void *data)
@@ -52,17 +52,18 @@ static int of_dma_controller_register(struct device_node *np,
        return -ENODEV;
 }
 
-static int of_dma_controller_free(struct device_node *np)
+static inline int of_dma_controller_free(struct device_node *np)
 {
+       return -ENODEV;
 }
 
-static struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
+static inline 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,
+static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
                struct of_dma *ofdma)
 {
        return NULL;