[OpenWrt-Devel] [PATCH 6/6] bcm53xx: R8000 handle PEX8603 switch

[Ian Kent]

On Sun, 2015-06-21 at 19:19 +0200, Rafał Miłecki wrote:
> On 10 March 2015 at 04:30, Ian Kent <raven at themaw.net> wrote:
> > The Netgear R8000 has a PEX8603 connected to the BCM53012 and if
> > it isn't configured during the bus scan the PCI layer goes crazy
> > trying to configure phantom devices.
> 
> This is kind of magic for me.
> Hauke: are you able to review this?

Yeah, it's a bridge so it needs upstream and downstream bus ids set but
the main issue is that it doesn't respond with appropriate return values
for non-existent devices.

I modelled the code on the corresponding source from the Broadcom SDK
file that this source was originally developed from (at least it
appeared to match).

I confirmed that PEX860X devices don't return proper return code from
another PEX driver, from the WRT1900 source I think, its been a while
now.

Ian
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