On Tue, Jul 13, 2010 at 3:42 AM, Andres Salomon <dilinger@xxxxxxxxxx> wrote:
>
> Make is_root_node available for all archs to use, as it's not PROM-specific.
> Also rename it to of_is_root_node, and a few other minor changes for
> style/consistency.
>
> Signed-off-by: Andres Salomon <dilinger@xxxxxxxxxx>
> ---
> arch/sparc/kernel/prom.h | 8 --------
> arch/sparc/kernel/prom_64.c | 6 +++---
> arch/sparc/kernel/prom_common.c | 2 +-
> include/linux/of.h | 8 ++++++++
> 4 files changed, 12 insertions(+), 12 deletions(-)
[...]
> diff --git a/include/linux/of.h b/include/linux/of.h
> index a367e19..b38cdf7 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -97,6 +97,14 @@ extern struct device_node *of_node_get(struct device_node *node);
> extern void of_node_put(struct device_node *node);
> #endif
>
> +static inline bool of_is_root_node(const struct device_node *node)
> +{
> + if (!node)
> + return false;
> +
> + return (node->parent == NULL);
> +}
Are you okay if I shorten this to?
+static inline bool of_is_root_node(const struct device_node *node)
+{
+ return (node && (node->parent == NULL));
+}
g.
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