Re: [PATCH] Fix PCIe hotplug for Dell notebook ExpressCard slots

Mark Lord
2007-10-16T22:20:44Z

Greg KH wrote:
> On Tue, Oct 16, 2007 at 05:57:03PM -0400, Mark Lord wrote:
>> Fix PCIe Hotplug so that it works with ExpressCard slots on Dell notebooks
>> in conjunction with modparam of pciehp_force=1.
>>
>> The PCIe Hotplug driver has two shortcomings when used on Dell notebooks
>> which lack ACPI BIOS support for PCIe hotplug:
>
> Wait, Dell explicitly says that pci hotplug of express cards is not
> supported and is broken on these laptops. This is because the version
> of Windows they support on these machines also does not support
> hotplugging these devices.
>
> The current code works just fine on hardware that actually supports this
> kind of functionality, as per the proper specs and requirements for this
> feature.
>
> So why try to go through these gyrations for hardware that is explicitly
> broken?

Because it is NOT broken. It works perfectly.

There's just a couple of issues in the existing *working* Linux driver
that need fixing, that's all.

Cheers