[RFC 3/8] of: create of_phandle_args to simplify return of phandle parsing data

[Shawn Guo]

Hi Grant,

On Tue, Nov 08, 2011 at 06:19:38PM -0700, Grant Likely wrote:
[...]
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 4948552..566deab 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -222,6 +222,13 @@ extern const void *of_get_property(const struct device_node *node,
>  #define for_each_property(pp, properties) \
>  	for (pp = properties; pp != NULL; pp = pp->next)
>  
> +#define MAX_PHANDLE_ARGS 8
> +struct of_phandle_args {
> +	struct device_node *np;
> +	int args_count;
> +	uint32_t args[MAX_PHANDLE_ARGS];
> +};
> +

I'm seeing a bunch of warnings like the one below when compiling imx
with the series.  And moving the definition to somewhere before
'#include <asm/prom.h>' in linux/of.h removes the warnings for me.

  CC      arch/arm/kernel/devtree.o
In file included from arch/arm/plat-mxc/include/mach/irqs.h:14:0,
                 from arch/arm/include/asm/irq.h:4,
                 from arch/arm/include/asm/prom.h:17,
                 from include/linux/of.h:133,
                 from arch/arm/kernel/devtree.c:17:
include/asm-generic/gpio.h:133:24: warning: ‘struct of_phandle_args’ declared inside parameter list
include/asm-generic/gpio.h:133:24: warning: its scope is only this definition or declaration, which is probably not what you want

-- 
Regards,
Shawn