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of: dma: Make of_dma_deconfigure() public 

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.

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
zero-colors
Laurent Pinchart 2017-04-10 16:50:58 +05:30 committed by Joerg Roedel
parent d7b0558230
commit 3f1866779c
3 changed files with 15 additions and 5 deletions
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12
drivers/of/device.c
View File

@ -151,6 +151,18 @@ 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);

5
drivers/of/platform.c
View File

@ -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

3
include/linux/of_device.h
View File

@ -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 */