Messages in this thread | | | Date | Mon, 18 Apr 2016 13:50:15 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH 0/3] v4.4: Revert "PCI: Implement pcibios_alloc_irq() and |
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Hi Bjorn,
On Fri, Apr 15, 2016 at 10:08:21AM -0500, Bjorn Helgaas wrote: > I assume you're thinking about doing pci_enable_resources() before > the core calls the driver's probe method? One question there is how > we would deal with pci_enable_device_mem(). If the core calls > pci_enable_resources(), it has to assume the driver requires all BARs, > and there are quite a few drivers that don't need the I/O BARs.
Yes, I think that the problem might be fixed when the resources are enabled during the pcibios-call.
What do you think of enabling the the resources at probe time for the pcibios-call and disable them afterwards? Then the driver can re-enable whatever it needs and keep the rest disabled.
Joerg
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