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

From: Yijing Wang
Date: Fri Apr 26 2013 - 22:03:38 EST


On 2013/4/27 9:57, Yinghai Lu wrote:
> 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.

Hmm, ok, and I tested this patch in my hotplug machine, it looks good.


>
> Yinghai
>
>


--
Thanks!
Yijing

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