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

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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://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci"). Disclaimer: I have zero familiarity with Linux' PCI code.

Tested-by: Jan Kundrát <jan.kundrat@xxxxxxxxx>

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.

Hi Thomas, Russell,
is there a proper patch for this? I've just verified that 4.19-rc5 won't boot for me either. Thomas' quick patch applies and makes the problem go away.

With kind regards,
Jan




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