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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2017-04-10 13:20:58 +0200
committerJoerg Roedel <jroedel@suse.de>2017-04-20 16:31:06 +0200
commit3f1866779cf8338e1c8bd32e5f6f5424795ef191 (patch)
tree17593ea7a459226d34e83bda3b3437241fba53f7 /drivers
parentiommu/of: Prepare for deferred IOMMU configuration (diff)
downloadlinux-3f1866779cf8338e1c8bd32e5f6f5424795ef191.tar.xz
linux-3f1866779cf8338e1c8bd32e5f6f5424795ef191.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/of/device.c12
-rw-r--r--drivers/of/platform.c5
2 files changed, 12 insertions, 5 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c
index b1e6bebda3f3..0d378c03e1a4 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -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);
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 5dfcc967dd05..5344db50aa65 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