diff options
Diffstat (limited to 'include/linux/of_dma.h')
| -rw-r--r-- | include/linux/of_dma.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h index 67158ddd1f3e..84b64f857e23 100644 --- a/include/linux/of_dma.h +++ b/include/linux/of_dma.h @@ -25,6 +25,7 @@ struct of_dma { struct dma_chan *(*of_dma_xlate) (struct of_phandle_args *, struct of_dma *); void *of_dma_data; + int use_count; }; struct of_dma_filter_info { @@ -37,7 +38,7 @@ extern int of_dma_controller_register(struct device_node *np, struct dma_chan *(*of_dma_xlate) (struct of_phandle_args *, struct of_dma *), void *data); -extern void of_dma_controller_free(struct device_node *np); +extern int of_dma_controller_free(struct device_node *np); extern struct dma_chan *of_dma_request_slave_channel(struct device_node *np, char *name); extern struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, @@ -51,7 +52,7 @@ static int of_dma_controller_register(struct device_node *np, return -ENODEV; } -static void of_dma_controller_free(struct device_node *np) +static int of_dma_controller_free(struct device_node *np) { } |