diff options
Diffstat (limited to 'include/linux/of_dma.h')
| -rw-r--r-- | include/linux/of_dma.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h index fd706cdf255c..16b08234d03b 100644 --- a/include/linux/of_dma.h +++ b/include/linux/of_dma.h @@ -38,6 +38,26 @@ extern int of_dma_controller_register(struct device_node *np, void *data); extern void of_dma_controller_free(struct device_node *np); +static void __of_dma_controller_free(void *np) +{ + of_dma_controller_free(np); +} + +static inline int +devm_of_dma_controller_register(struct device *dev, struct device_node *np, + struct dma_chan *(*of_dma_xlate) + (struct of_phandle_args *, struct of_dma *), + void *data) +{ + int ret; + + ret = of_dma_controller_register(np, of_dma_xlate, data); + if (ret) + return ret; + + return devm_add_action_or_reset(dev, __of_dma_controller_free, np); +} + extern int of_dma_router_register(struct device_node *np, void *(*of_dma_route_allocate) (struct of_phandle_args *, struct of_dma *), @@ -64,6 +84,15 @@ static inline void of_dma_controller_free(struct device_node *np) { } +static inline int +devm_of_dma_controller_register(struct device *dev, struct device_node *np, + struct dma_chan *(*of_dma_xlate) + (struct of_phandle_args *, struct of_dma *), + void *data) +{ + return -ENODEV; +} + static inline int of_dma_router_register(struct device_node *np, void *(*of_dma_route_allocate) (struct of_phandle_args *, struct of_dma *), |