Re: Problem in reading cfg space of device connected below a bridge

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On Thu, Oct 21, 2010 at 05:16:22PM +0530, Pratyush Anand wrote:
> Hi All,
> 
> I have developed support for a PCIE host controller on linux platform
> for an SOC.
> 
> It works well with PCIE devices (e.g.usb3.0 card, ethernet card, pcie
> to sata )from various vendors.
> 
> However, I am having problem in using any card where device is
> connected below a bridge (class 0x0604).
> 
> What ever bus number is programmed , cfg register value are from
> bridge only not of downstream device.

It would be helpful if you could post your code.  I suspect the problem is
that you're telling the host bridge to generate CfgRd0 instead of CfgRd1.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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