linux-kernel - Re: [RFC PATCH v2 1/4] dt: add of_get_child

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Date:	Wed, 14 Dec 2011 12:04:28 -0600
From:	Rob Herring <robherring2@...il.com>
To:	Dong Aisheng <b29396@...escale.com>
CC:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linus.walleij@...ricsson.com, s.hauer@...gutronix.de,
	shawn.guo@...escale.com, kernel@...gutronix.de,
	grant.likely@...retlab.ca
Subject: Re: [RFC PATCH v2 1/4] dt: add of_get_child_number helper function

Dong,

On 12/14/2011 10:03 AM, Dong Aisheng wrote:
> From: Dong Aisheng <dong.aisheng@...aro.org>
> 
> Currently most code to get child number in kernel are almost same,
> add a helper to implement this function for dt to use.
>
> Signed-off-by: Dong Aisheng <dong.aisheng@...aro.org>
> Cc: Grant Likely <grant.likely@...retlab.ca>
> Cc: Rob Herring <rob.herring@...xeda.com>
> ---
>  include/linux/of.h |   17 +++++++++++++++++
>  1 files changed, 17 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 4948552..09d53dc 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -189,6 +189,18 @@ extern struct device_node *of_get_next_child(const struct device_node *node,
>  	for (child = of_get_next_child(parent, NULL); child != NULL; \
>  	     child = of_get_next_child(parent, child))
>  
> +static inline int of_get_child_number(struct device_node *np)

I would call this of_get_child_count instead.

Rob
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