>-----Original Message-----
>From: Cédric Le Goater <[email protected]>
>Subject: Re: [PATCH v2 3/3] pci: Fix wrong parameter passing to
>pci_device_get_iommu_bus_devfn()
>
>On 9/29/25 05:42, Zhenzhong Duan wrote:
>> The 2nd parameter of pci_device_get_iommu_bus_devfn() about root
>PCIBus
>> backed by an IOMMU for the PCI device, the 3rd is about aliased PCIBus
>> of the PCI device.
>>
>> Meanwhile the 3rd and 4th parameters are optional, pass NULL if they
>> are not needed.
>>
>> Signed-off-by: Zhenzhong Duan <[email protected]>
>
>The commit log should mention potential consequences of this change.
Without fix, the callback function may not be called as iommu_ops is set
for iommu_bus rather than bus. Luckily, there is no user of those
functions yet, so no real issue currently.
>
>Will this fix need to be backported ? up to ~9.1
I think no need, Clement could correct me if above explanation is wrong.
Thanks
Zhenzhong
