linux-kernel - Re: [PATCH] dt: add empty for_each_child_of_node, of_find

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Message-ID: <20110922172944.GM17168@ponder.secretlab.ca>
Date:	Thu, 22 Sep 2011 11:29:44 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Stephen Warren <swarren@...dia.com>
Cc:	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt: add empty for_each_child_of_node, of_find_property

On Wed, Sep 21, 2011 at 01:23:10PM -0600, Stephen Warren wrote:
> The patch adds a couple empty functions for non-dt build, so that
> drivers migrating to dt can save some '#ifdef CONFIG_OF'.
> 
> Signed-off-by: Stephen Warren <swarren@...dia.com>
> ---

Applied, thanks.

g.

> Unfortunately, I screwed up and my recent sdhci-tegra.c changes rely on this
> change to compile without CONFIG_OF; I really need to stop doing my test-
> builds in a single branch will all my outstanding changes present:-(
> 
>  include/linux/of.h |   10 ++++++++++
>  1 files changed, 10 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 9180dc5..1fc5875 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -242,6 +242,16 @@ static inline bool of_have_populated_dt(void)
>  	return false;
>  }
>  
> +#define for_each_child_of_node(parent, child) \
> +	while (0)
> +
> +static inline struct property *of_find_property(const struct device_node *np,
> +						const char *name,
> +						int *lenp)
> +{
> +	return NULL;
> +}
> +
>  static inline int of_property_read_u32_array(const struct device_node *np,
>  					     const char *propname,
>  					     u32 *out_values, size_t sz)
> -- 
> 1.7.0.4
> 
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