On 04/04/17 11:18, Sricharan R wrote:
> From: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
>
> As part of moving DMA initializing to probe time the
> of_dma_deconfigure() function will need to be called from different
> source files. Make it public and move it to drivers/of/device.c where
> the of_dma_configure() function is.
Reviewed-by: Robin Murphy <robin.murphy@xxxxxxx>
> Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> ---
> drivers/of/device.c | 12 ++++++++++++
> drivers/of/platform.c | 5 -----
> include/linux/of_device.h | 3 +++
> 3 files changed, 15 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/of/device.c b/drivers/of/device.c
> index 09dedd0..c17c19d 100644
> --- a/drivers/of/device.c
> +++ b/drivers/of/device.c
> @@ -136,6 +136,18 @@ void of_dma_configure(struct device *dev, struct device_node *np)
> }
> EXPORT_SYMBOL_GPL(of_dma_configure);
>
> +/**
> + * of_dma_deconfigure - Clean up DMA configuration
> + * @dev: Device for which to clean up DMA configuration
> + *
> + * Clean up all configuration performed by of_dma_configure_ops() and free all
> + * resources that have been allocated.
> + */
> +void of_dma_deconfigure(struct device *dev)
> +{
> + arch_teardown_dma_ops(dev);
> +}
> +
> int of_device_register(struct platform_device *pdev)
> {
> device_initialize(&pdev->dev);
> diff --git a/drivers/of/platform.c b/drivers/of/platform.c
> index 5dfcc96..5344db5 100644
> --- a/drivers/of/platform.c
> +++ b/drivers/of/platform.c
> @@ -158,11 +158,6 @@ struct platform_device *of_device_alloc(struct device_node *np,
> }
> EXPORT_SYMBOL(of_device_alloc);
>
> -static void of_dma_deconfigure(struct device *dev)
> -{
> - arch_teardown_dma_ops(dev);
> -}
> -
> /**
> * of_platform_device_create_pdata - Alloc, initialize and register an of_device
> * @np: pointer to node to create device for
> diff --git a/include/linux/of_device.h b/include/linux/of_device.h
> index c12dace..af98455 100644
> --- a/include/linux/of_device.h
> +++ b/include/linux/of_device.h
> @@ -56,6 +56,7 @@ static inline struct device_node *of_cpu_device_node_get(int cpu)
> }
>
> void of_dma_configure(struct device *dev, struct device_node *np);
> +void of_dma_deconfigure(struct device *dev);
> #else /* CONFIG_OF */
>
> static inline int of_driver_match_device(struct device *dev,
> @@ -105,6 +106,8 @@ static inline struct device_node *of_cpu_device_node_get(int cpu)
> }
> static inline void of_dma_configure(struct device *dev, struct device_node *np)
> {}
> +static inline void of_dma_deconfigure(struct device *dev)
> +{}
> #endif /* CONFIG_OF */
>
> #endif /* _LINUX_OF_DEVICE_H */
>
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