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.
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 d9898d9..1c843e2 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 b8064bc..57418f7 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 cc7dd687..d20a31a 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,
@@ -100,6 +101,8 @@ 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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