linux-kernel - Re: [PATCH] dt: Add empty of_match

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Date:	Mon, 24 Oct 2011 12:06:05 +0200
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	robherring2@...il.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH] dt: Add empty of_match_node() macro

On Mon, Oct 24, 2011 at 11:53 AM, Nicolas Ferre <nicolas.ferre@...el.com> wrote:
> Add an empty macro for of_match_node() that will save
> some '#ifdef CONFIG_OF' for non-dt builds.
>
> I have chosen to use a macro instead of a function to
> be able to avoid defining the first parameter.
> In fact, this "struct of_device_id *" first parameter
> is usualy not defined as well on non-dt builds.
>
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
> ---
>  include/linux/of.h |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 736b747..92c40a1 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -303,6 +303,7 @@ static inline struct device_node *of_parse_phandle(struct device_node *np,
>  }
>
>  #define of_match_ptr(_ptr)     NULL
> +#define of_match_node(_matches, _node) NULL

Where possible, I prefer to code to be written in C, not PP.  :-)
static inline please.

g.
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