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

Andrew Murray andrew.murray at arm.com
Mon Jan 14 20:15:26 EST 2013


On Thu, Dec 20, 2012 at 08:25:00AM +0000, Thierry Reding wrote:
> 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

Good catch. Thanks for taking this on.

Andrew Murray




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