[PATCH v2 2/2] arch: arm: Show the serial number from devicetree in cpuinfo

[Russell King - ARM Linux]

Hi,

On Fri, Apr 17, 2015 at 08:43:55PM +0200, Paul Kocialkowski wrote:
>  static int __init init_machine_late(void)
>  {
> +#ifdef CONFIG_OF
> +	unsigned long dt_root;
> +	int size;
> +
> +	dt_root = of_get_flat_dt_root();
> +
> +	/* Scan for serial number */
> +	system_serial = of_get_flat_dt_prop(dt_root, "serial-number", &size);

I was really hoping for:

	if (of_property_read_string(of_root, "serial-number", &system_serial))
		system_serial = NULL;

here.  I can't see a reason to use the flattened DT at this point as
we've already parsed it.

I'd also put this after the call to machine_desc->init_late().

Thanks.

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