Subject: Re: [PATCH] pci: Provide support for parsing PCI DT ranges property

From: Thierry Reding <[email-masked]>
Date: Thu, 20 Dec 2012 09:25:00 +0100

On Wed, Dec 12, 2012 at 04:37:50PM +0000, Andrew Murray wrote:
[...]
> diff --git a/drivers/of/address.c b/drivers/of/address.c
[...]
> +	start = of_get_property(node, "ranges", &rlen);
> +	if (start == NULL)
> +		return NULL;
> +
> +	end = start + rlen;

I'm currently rewriting large parts of the Tegra PCIe controller driver
and I'm trying to use this new API. This seems to work fine, except that
I think this line needs to be:

	end = start + rlen / sizeof(__be32);

Otherwise we'll try to process 4 times as many ranges as there are.

Thierry