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19c5392eb1
The DesignWare PCIe MSI hardware does not support MSI-X IRQs. Setting
those up failed as a side effect of a bug which was fixed by 91f8ae823f2b
("PCI: designware: Setup and clear exactly one MSI at a time").
Now that this bug is fixed, MSI-X IRQs need to be rejected explicitly;
otherwise devices trying to use them may end up with incorrectly working
interrupts.
Fixes: 91f8ae823f2b ("PCI: designware: Setup and clear exactly one MSI at a time")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
CC: stable@vger.kernel.org # v3.18+