Re: [PATCH 1/2] ACPI / PCI: don't allow PCI devices without irq to be enabled

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On Mon, Aug 12, 2013 at 2:14 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
> On Thu, Aug 8, 2013 at 7:57 AM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
>> On Thursday, August 08, 2013 03:35:13 PM Heikki Krogerus wrote:
>>> If there is no ACPI entry for the irq, returning error from
>>> acpi_pci_enable_irq() if the irq is 0.
>>>
>>> Prarit Bhargava reported an issue where he noticed that his
>>> Dell PowerEdge 840 has buggy BIOS that does not supply ACPI
>>> entries for irq with some devices. That lead into kernel
>>> generating a warning "genirq: Flags mismatch irq 0...". This
>>> will fix that issue.
>>>
>>> Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
>>> Tested-by: Prarit Bhargava <prarit@xxxxxxxxxx>
>>
>> Hi Bjorn,
>>
>> Any objections to this?
>
> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

some USB3 host controller does not have intx configured, but still
work with MSI?

Yinghai
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