Re: [RFC PATCH] PCI: Enable pci bridge when it is needed

From: Yinghai Lu
Date: Fri Apr 26 2013 - 21:57:11 EST


On Fri, Apr 26, 2013 at 6:51 PM, Yijing Wang <wangyijing@xxxxxxxxxx> wrote:
> I think it's cool! Now we enable bridge in various places, this is a headache.
>
> hi, yinghai, in this patch, enable bridges depend on the driver call pci_enable_device() explicitly.
> I was a little worried If there has some devices don't have some drivers bound, but used by system.
> like ioapic, these devices maybe implemented as pci device, but no pci drivers bind, also, maybe they
> won't call pci_enable_device() explicity. So if they are under the pci bridge, no one will enable the bridge
> for them.

If there is really that case, we could call pci_enable_device in
pci_final quirk for
them.

Yinghai
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