[PATCH 24/32] pci: PCIe driver for Marvell Armada 370/XP systems

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Sun Mar 10 11:09:37 EDT 2013


Dear Thierry Reding,

On Fri, 8 Mar 2013 21:13:40 +0100, Thierry Reding wrote:
> On Fri, Mar 08, 2013 at 01:02:46PM -0700, Jason Gunthorpe wrote:
> > On Fri, Mar 08, 2013 at 09:43:11AM -1000, Mitch Bradley wrote:
> [...]
> > > 2) The "@0,0" and "@1,0" suffixes do not correspond to the reg values
> > > <0x0800 0 0 0 0> and <0x1000 0 0 0 0> using any rule that I know.
> > 
> > @0,1,0 (bus,device,fn) could be more appropriate, but that is
> > cosmetic?
> 
> The OF PCI specification is pretty strict about this as well. It says in
> section 2.2.1.3. that only the DD and DD,FF forms can appear in a device
> path.

Note that in the case of my driver, the @X,Y represent the port and
lane of the PCIe interface. Not sure if it is correct, I can change the
names to whatever is appropriate, those names aren't used anywhere in
the driver.

Best regards,

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com



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