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SubjectRe: [BISECTED] Regression: Solidrun Clearfog Base won't boot since "PCI: mvebu: Only remap I/O space if configured"

On Thu, 13 Sep 2018 10:20:45 +0200, Jan Kundrát wrote:
> On čtvrtek 13. září 2018 9:45:15 CEST, Thomas Petazzoni wrote:
> > What about something like the below. I tested it, including the error
> > case by forcing an -EPROBE_DEFER. The new pci_unmap_io() is modeled
> > after pci_unmap_iospace(). Actually, I would prefer to use
> > pci_remap_iospace() and pci_unmap_iospace() but for now this API
> > doesn't allow overloading the memory type used for the mapping.
> Thanks for providing this fix so quickly, Thomas. I can confirm that this
> patch -- tested on top of 54eda9df17f3215b9ed16629ee71ea07413efdaf ("Merge
> tag 'pci-v4.19-fixes-1' of
> git://"). Disclaimer: I
> have zero familiarity with Linux' PCI code.
> Tested-by: Jan Kundrát <>

Thanks for the testing. I'll wait for Russell to say if he is happy
(or not) with the addition of pci_unmap_io() in the ARM code, if that's
the case, I'll send a proper patch to fix the issue.

Best regards,

Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering

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