PCI: rcar: Return -ENODEV from host bridge probe when no card present
R-Car PCIe does not support hotplug so it is appropriate to treat the absence of a PCIe card as an -ENODEV error. Signed-off-by: NHarunobu Kurokawa <harunobu.kurokawa.dn@renesas.com> [simon: updated changelog] Signed-off-by: NSimon Horman <horms+renesas@verge.net.au> Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
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