[PATCH v4 00/15] genirq/msi: Silence set affinity failed warning

[Bjorn Helgaas]

On Tue, Jul 23, 2024 at 03:27:00PM +0200, Marek Vasut wrote:
> Various PCIe controllers that mux MSIs onto single IRQ line produce these
> "IRQ%d: set affinity failed" warnings when entering suspend. Remove the
> .irq_set_affinity callbacks and make sure they are NULL in all affected
> controllers, so this warning in kernel/irq/msi.c is not triggered.
> 
> This has been compile-tested only on all but the R-Car PCI controller.
> 
> The clean ups are done per-driver so they can be easily reverted in case
> they break something.
> 
> Marek Vasut (15):
>   genirq/msi: Silence set affinity failed warning
>   PCI: aardvark: Silence set affinity failed warning
>   PCI: altera-msi: Silence set affinity failed warning
>   PCI: brcmstb: Silence set affinity failed warning
>   PCI: dwc: Silence set affinity failed warning
>   PCI: mediatek-gen3: Silence set affinity failed warning
>   PCI: mediatek: Silence set affinity failed warning
>   PCI: mobiveil: Silence set affinity failed warning
>   PCI: plda: Silence set affinity failed warning
>   PCI: rcar-host: Silence set affinity failed warning
>   PCI: tegra: Silence set affinity failed warning
>   PCI: vmd: Silence set affinity failed warning
>   PCI: xilinx-nwl: Silence set affinity failed warning
>   PCI: xilinx-xdma: Silence set affinity failed warning
>   PCI: xilinx: Silence set affinity failed warning
> 
>  drivers/pci/controller/dwc/pci-keystone.c           |  7 -------
>  drivers/pci/controller/dwc/pcie-designware-host.c   | 12 +++---------
>  .../pci/controller/mobiveil/pcie-mobiveil-host.c    | 11 ++---------
>  drivers/pci/controller/pci-aardvark.c               | 10 ++--------
>  drivers/pci/controller/pci-tegra.c                  | 10 ++--------
>  drivers/pci/controller/pcie-altera-msi.c            | 11 ++---------
>  drivers/pci/controller/pcie-brcmstb.c               | 11 ++---------
>  drivers/pci/controller/pcie-mediatek-gen3.c         | 13 +++----------
>  drivers/pci/controller/pcie-mediatek.c              | 11 ++---------
>  drivers/pci/controller/pcie-rcar-host.c             | 10 ++--------
>  drivers/pci/controller/pcie-xilinx-dma-pl.c         | 11 ++---------
>  drivers/pci/controller/pcie-xilinx-nwl.c            | 11 ++---------
>  drivers/pci/controller/pcie-xilinx.c                |  9 ++-------
>  drivers/pci/controller/plda/pcie-plda-host.c        | 11 ++---------
>  drivers/pci/controller/vmd.c                        | 13 +------------
>  include/linux/msi.h                                 |  2 ++
>  kernel/irq/msi.c                                    |  2 +-
>  17 files changed, 32 insertions(+), 133 deletions(-)

Applied to pci/controller/affinity for v6.11, thank you very much for
doing this work!

I pushed this branch, but it won't show up in linux-next until after
v6.12-rc1 is tagged.