PCI: kirin: Add dev struct for of_device_get_match_data()
Bean reported that a622435f ("PCI: kirin: Prefer of_device_get_match_data()") broke kirin_pcie_probe() because it assumed match data of 0 was a failure when in fact, it meant the match data was "(void *)PCIE_KIRIN_INTERNAL_PHY". Therefore, probing of "hisilicon,kirin960-pcie" devices failed with -EINVAL and an "OF data missing" message. Add a struct kirin_pcie_data to encode the PHY type. Then the result of of_device_get_match_data() should always be a non-NULL pointer to a struct kirin_pcie_data that contains the PHY type. Fixes: a622435f ("PCI: kirin: Prefer of_device_get_match_data()") Link: https://lore.kernel.org/r/20220202162659.GA12603@bhelgaas Link: https://lore.kernel.org/r/20220201215941.1203155-1-huobean@gmail.comReported-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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