diff mbox

[RFC/PATCH,4/9] of: dma: Make of_dma_deconfigure() public

Message ID 1431644410-2997-5-git-send-email-laurent.pinchart+renesas@ideasonboard.com (mailing list archive)
State New, archived
Headers show

Commit Message

Laurent Pinchart May 14, 2015, 11 p.m. UTC
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.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
---
 drivers/of/device.c       | 12 ++++++++++++
 drivers/of/platform.c     |  5 -----
 include/linux/of_device.h |  3 +++
 3 files changed, 15 insertions(+), 5 deletions(-)

Comments

Will Deacon May 28, 2015, 12:42 p.m. UTC | #1
(sorry for the mid-review delay, I got side-tracked yesterday evening)

On Fri, May 15, 2015 at 12:00:05AM +0100, Laurent Pinchart wrote:
> 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.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> ---
>  drivers/of/device.c       | 12 ++++++++++++
>  drivers/of/platform.c     |  5 -----
>  include/linux/of_device.h |  3 +++
>  3 files changed, 15 insertions(+), 5 deletions(-)

Acked-by: Will Deacon <will.deacon@arm.com>

Cheers,

Will

> diff --git a/drivers/of/device.c b/drivers/of/device.c
> index 530aa1ed3e1b..f1b84f464fe1 100644
> --- a/drivers/of/device.c
> +++ b/drivers/of/device.c
> @@ -135,6 +135,18 @@ 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 a01f57c9e34e..7a660c79ff84 100644
> --- a/drivers/of/platform.c
> +++ b/drivers/of/platform.c
> @@ -149,11 +149,6 @@ 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 22801b10cef5..6710807b0653 100644
> --- a/include/linux/of_device.h
> +++ b/include/linux/of_device.h
> @@ -54,6 +54,7 @@ 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,
> @@ -93,6 +94,8 @@ 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 */
> -- 
> 2.3.6
>
Rob Herring May 29, 2015, 2:04 p.m. UTC | #2
On Thu, May 14, 2015 at 6:00 PM, Laurent Pinchart
<laurent.pinchart+renesas@ideasonboard.com> wrote:
> 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.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

One minor fix below, but otherwise:

Acked-by: Rob Herring <robh@kernel.org>

> ---
>  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 530aa1ed3e1b..f1b84f464fe1 100644
> --- a/drivers/of/device.c
> +++ b/drivers/of/device.c
> @@ -135,6 +135,18 @@ 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);
> +}

You need an EXPORT_SYMBOL_GPL
diff mbox

Patch

diff --git a/drivers/of/device.c b/drivers/of/device.c
index 530aa1ed3e1b..f1b84f464fe1 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -135,6 +135,18 @@  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 a01f57c9e34e..7a660c79ff84 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -149,11 +149,6 @@  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 22801b10cef5..6710807b0653 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -54,6 +54,7 @@  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,
@@ -93,6 +94,8 @@  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 */