[U-Boot] [PATCH 01/14] fdt: Tidy up a few fdtdec problems

[Stephen Warren <swarren@nvidia.com>]

On 11/23/2011 08:54 PM, Simon Glass wrote:
> This fixes three trivial issues in fdtdec.c:
> 1. fdtdec_get_is_enabled() doesn't really need a default value
> 2. The fdt must be word-aligned, since otherwise it will fail on ARM
> 3. The compat_names[] array is missing its first element

> diff --git a/lib/fdtdec.c b/lib/fdtdec.c
...
>  #define COMPAT(id, name) name
>  static const char * const compat_names[COMPAT_COUNT] = {
> +	COMPAT(UNKNOWN, "<none>"),
>  };

Could you educate me on why that change is necessary? Maybe explain this
in the commit description?

> -int fdtdec_get_is_enabled(const void *blob, int node, int default_val)
> +int fdtdec_get_is_enabled(const void *blob, int node)
>  {
>  	const char *cell;
>  
>  	cell = fdt_getprop(blob, node, "status", NULL);
>  	if (cell)
>  		return 0 == strcmp(cell, "ok");
> -	return default_val;
> +	return 1;
>  }

Not that this patch changes this, but isn't "okay" also a legal
"enabled" value, and perhaps even the recommended value? See
http://lists.ozlabs.org/pipermail/devicetree-discuss/2011-July/006389.html.

-- 
nvpublic