[Linaro-acpi] [V4 PATCH 3/6] pci: Generic function for setting up PCI device DMA coherency

Arnd Bergmann arnd at arndb.de
Wed May 20 05:02:40 PDT 2015

On Wednesday 20 May 2015 07:00:25 Suravee Suthikulanit wrote:
> It seems that there are several places that have similar check. Would it 
> be good to convert this into a macro? Something like:
> #define OF_NODE_ENABLED(dev)    (IS_ENABLED(CONFIG_OF) && dev->of_node)
> Thanks all for the review feedback.

Better make that an inline function that returns the node:

struct device_node *dev_of_node(struct device *)
		return dev->of_node;

	return NULL;


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