Re: [PATCH v2 2/4] software node: allow passing reference args to PROPERTY_ENTRY_REF

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Sun, Mar 29, 2026 at 07:27:49PM -0700, Dmitry Torokhov wrote:
> When dynamically creating software nodes and properties for subsequent
> use with software_node_register() current implementation of
> PROPERTY_ENTRY_REF is not suitable because it creates a temporary

PROPERTY_ENTRY_REF()

> instance of struct software_node_ref_args on stack which will later
> disappear, and software_node_register() only does shallow copy of
> properties.
> 
> Fix this by allowing to pass address of reference arguments structure
> directly into PROPERTY_ENTRY_REF(), so that caller can manage lifetime
> of the object properly.

...

> +#define __PROPERTY_ENTRY_REF_ARGS(_ref_, ...)				\
> +	_Generic(_ref_,							\
> +		 const struct software_node_ref_args *: _ref_,		\
> +		 struct software_node_ref_args *: _ref_,		\
> +		 default: &SOFTWARE_NODE_REFERENCE(_ref_,		\
> +						   ##__VA_ARGS__))

Make it a single line

		 default: &SOFTWARE_NODE_REFERENCE(_ref_, ##__VA_ARGS__))

AFAICS it has no continuation and fits the given format well.

-- 
With Best Regards,
Andy Shevchenko