Messages in this thread | | | Date | Wed, 9 Apr 2014 10:30:54 -0600 | From | Jason Gunthorpe <> | Subject | Re: [PATCH v2] bus: mvebu-mbus: Avoid setting an undefined window size |
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On Wed, Apr 09, 2014 at 09:53:50AM +0200, Thomas Petazzoni wrote:
> Maybe this is something that Jason can confirm/infirm. I remember > having a quick look at the core Linux PCI core to see if it was > somehow checking whether the bridge BAR has been properly configured, > but I think I concluded it was not the case, and it was just assuming > that write the memory base/limit in the bridge registers was > sufficient.
I think the best way to fail would be to return an error from mvebu_pcie_align_resource - but we can't create the window in that call.
Once things get to the BAR write stage it shouldn't fail unfortunately.
Jason
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