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[ Upstream commit16270a9235] The current check will result in the multiple function device fails to initialize. So fix the check by masking out the multiple function bit. Link: https://lore.kernel.org/r/20200818092746.24366-1-Zhiqiang.Hou@nxp.com Fixes:0b24134f78("PCI: dwc: Add validation that PCIe core is set to correct mode") Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>