Re: [PATCH 0/3] v4.4: Revert "PCI: Implement pcibios_alloc_irq() and

From	Joerg Roedel <jroedel@suse.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH 0/3] v4.4: Revert "PCI: Implement pcibios_alloc_irq() and
Date	2016-04-18 14:00 +0200
Message-ID	<rpg0r-502-29@gated-at.bofh.it> (permalink)
References	<rnm0i-4qe-7@gated-at.bofh.it> <rnRQu-4b1-13@gated-at.bofh.it> <rodxD-4ZA-1@gated-at.bofh.it>
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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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Re: [PATCH 0/3] v4.4: Revert "PCI: Implement pcibios_alloc_irq() and Joerg Roedel <jroedel@suse.de> - 2016-04-18 14:00 +0200
  Re: [PATCH 0/3] v4.4: Revert "PCI: Implement pcibios_alloc_irq() and Bjorn Helgaas <helgaas@kernel.org> - 2016-04-18 16:50 +0200
    Re: [PATCH 0/3] v4.4: Revert "PCI: Implement pcibios_alloc_irq() and Joerg Roedel <jroedel@suse.de> - 2016-04-19 11:50 +0200

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