On Fri, Mar 08, 2013 at 08:14:44AM +0100, Thierry Reding wrote: > On Thu, Mar 07, 2013 at 06:05:33PM -0600, Rob Herring wrote: > > On 03/07/2013 02:47 PM, Thierry Reding wrote: > [...] > > > In a nutshell (since some of the context isn't quoted anymore) the > > > problem that we're trying to solve is that some of the embedded SoCs > > > require per-root-port registers for configuration. The PCI DT > > > specification doesn't make any provisions for this. A few alternatives > > > have been discussed so far: > > > > I'm not sure I follow. This is different than the host controller > > registers? Why would this not just be multiple entries in the reg property? > > Well the register regions are per root-port. On Tegra20 there's 2 of > them, Tegra30 has 3 and if I understand correctly Marvell can have up to > 10 (!). Adding all of them to the reg property of the host controller > could work but it needs some way to match the reg entry to the root port > similar to option 1 below. Thomas just posted an implementation like this, please see: http://www.spinics.net/lists/arm-kernel/msg228749.html Jason -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
