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authorChristoph Hellwig <hch@lst.de>2018-05-03 16:25:08 +0200
committerChristoph Hellwig <hch@lst.de>2018-05-03 16:25:08 +0200
commit3d6ce86ee79465e1b1b6e287f8ea26b553fc768e (patch)
tree5305a5ffefc514d485ae634e9d53b3e601fafbd3 /include/linux/of_device.h
parent07397df29e57cde5799af16e8f148ae10ed75285 (diff)
drivers: remove force dma flag from buses
With each bus implementing its own DMA configuration callback, there is no need for bus to explicitly set the force_dma flag. Modify the of_dma_configure function to accept an input parameter which specifies if implicit DMA configuration is required when it is not described by the firmware. Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> # PCI parts Reviewed-by: Rob Herring <robh@kernel.org> [hch: tweaked the changelog a bit] Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/of_device.h')
-rw-r--r--include/linux/of_device.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 8da5a1b31ece..165fd302b442 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -55,7 +55,9 @@ static inline struct device_node *of_cpu_device_node_get(int cpu)
return of_node_get(cpu_dev->of_node);
}
-int of_dma_configure(struct device *dev, struct device_node *np);
+int of_dma_configure(struct device *dev,
+ struct device_node *np,
+ bool force_dma);
void of_dma_deconfigure(struct device *dev);
#else /* CONFIG_OF */
@@ -105,7 +107,9 @@ static inline struct device_node *of_cpu_device_node_get(int cpu)
return NULL;
}
-static inline int of_dma_configure(struct device *dev, struct device_node *np)
+static inline int of_dma_configure(struct device *dev,
+ struct device_node *np,
+ bool force_dma)
{
return 0;
}