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SubjectRe: [Linaro-acpi] [V4 PATCH 3/6] pci: Generic function for setting up PCI device DMA coherency
Date
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 *)
{
if (IS_ENABLED(CONFIG_OF))
return dev->of_node;

return NULL;
}

Arnd


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